CN102459617B - For the treatment of biomass to promote the system that ethanol manufactures - Google Patents
For the treatment of biomass to promote the system that ethanol manufactures Download PDFInfo
- Publication number
- CN102459617B CN102459617B CN201080027262.7A CN201080027262A CN102459617B CN 102459617 B CN102459617 B CN 102459617B CN 201080027262 A CN201080027262 A CN 201080027262A CN 102459617 B CN102459617 B CN 102459617B
- Authority
- CN
- China
- Prior art keywords
- tunning
- biomass
- xylogen
- solids component
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/02—Preparation of oxygen-containing organic compounds containing a hydroxy group
- C12P7/04—Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic
- C12P7/06—Ethanol, i.e. non-beverage
- C12P7/08—Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate
- C12P7/10—Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate substrate containing cellulosic material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microbiology (AREA)
- General Chemical & Material Sciences (AREA)
- Biotechnology (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides process to be supplied in Distallation systm for the manufacture of the method for the lignocellulose biomass of the fermentation of ethanol.The method comprises lignocellulose biomass pre-treatment is become pretreated biomass, and pretreated biomass is separated into the liquid component comprising sugar and the solids component comprising Mierocrystalline cellulose and xylogen.The method also comprises the hydrolyzing biomass being hydrolyzed to by the solids component of pretreated biomass and comprising sugar and xylogen, and is the tunning comprising ethanol and xylogen by the fermentation of the unhydrolyzed solids composition of pretreated biomass.The method also comprises process tunning and also distills the tunning of process to reclaim ethanol.Described lignocellulose biomass comprises Mierocrystalline cellulose, hemicellulose and xylogen.
Description
for the cross reference of related application
This application claims the U.S. Provisional Application the 61/179th being entitled as " distillation of hexose wine with dregs " submitted on May 18th, 2009, the right of priority of No. 349, and be incorporated to for reference herein.
Technical field
The present invention relates to the system for the treatment of biomass in ethanol manufactures.The invention still further relates to for fermentation of biomass being fed to the pre-treatment fermentation of biomass of Distallation systm to promote the system of the high efficiency manufacture of ethanol.
Background technology
Ethanol can originate from cereals raw material (such as, corn, Chinese sorghum/West Africa Chinese sorghum, barley, wheat, soybean etc.), sugar (such as, from sugarcane, beet etc.) and biomass (such as, from the lignocellulose raw material of such as switchgrass, corn cob and stalk, timber or other vegetable material).
Biomass comprise being applicable to and are directly used as fuel/energy source or the plant material as the raw material for being processed into another kind of biological products (such as, biofuel such as cellulosic ethanol) produced at biorefinery (such as ethanol plant).Biomass can comprise, such as, in corn grain harvesting process or afterwards obtainable corn cob and stalk (such as, stem and leaf), fiber from corn grain, switchgrass, farm or agricultural residues, wood chip or other timber waste product and other plant material.For using or processing biological, harvesting also biomass collection from field, and transport it into the place of use or processing biological.
Manufactured in the conventional ethanol factory of ethanol by corn, ethanol is manufactured by starch.Corn grain can be processed the material (such as, endosperm) containing starch is separated from other material (such as fiber and plumule).It is made to liquefy to promote saccharification and fermentation the material containing starch and water furnishing slurries, wherein in described saccharifying, starch is converted into sugar (such as, glucose), and in described fermenting process, by producing and ethanol class (ethanologen) (such as, yeast), sugar is converted into ethanol.The product (such as tunning) of fermentation is wine with dregs, and this wine with dregs comprises the liquid component containing second alcohol and water (except other material) and the solids component containing non-ferment particulate material (except other material).Liquid component and the solids component of tunning are sent to Distallation systm.In Distallation systm, tunning is carried out distilling and being dehydrated into, except other material, ethanol and the vinasse containing moistening solid are (such as, substantially the solids component of the wine with dregs of all ethanol is removed), wherein described vinasse can be dried to distiller's dried grain (DDG) and sell as animal food prods.Other by product of such as syrup (with the oil be included in syrup) can also be reclaimed from vinasse.The water removed from tunning in distillation can be processed to re-use in the factory.
Be configured to by biomass examples as cellulosic material manufactures in the biorefinery of ethanol, manufacturing ethanol by ligno-cellulosic materials (such as, Mierocrystalline cellulose and or/hemicellulose).Prepare biomass, make it possible to the sugar (such as, from cellulosic glucose and the wood sugar from hemicellulose) that obtains in cellulose materials and be fermented into the tunning comprising ethanol (except other material).Afterwards tunning is transported to Distallation systm, reclaims ethanol by distilling and dewatering wherein.Other biological products such as xylogen and organic acid also can reclaim as by product.The form of (among other things) biomass, type and composition will be depended on to the determination of the biomass how prepared more efficiently and process for generating ethanol.
In ethanol manufacture, be advantageously provided for the system processing biomass.Advantageously be provided for the system in pre-treatment biomass biomass being fed to Distallation systm further.
Summary of the invention
The present invention relates to process to be supplied in Distallation systm for the manufacture of the method for the lignocellulose biomass of the fermentation of ethanol.The method comprises lignocellulose biomass pre-treatment is become pretreated biomass, and pretreated biomass is separated into the liquid component comprising sugar and the solids component comprising Mierocrystalline cellulose and xylogen.The method also comprises the hydrolyzing biomass being hydrolyzed to by the solids component of pretreated biomass and comprising sugar and xylogen, and the unhydrolyzed solids composition of pretreated biomass is fermented into the tunning comprising ethanol and xylogen.The method also comprises process tunning, and the tunning of distillation process is to reclaim ethanol.Lignocellulose biomass comprises Mierocrystalline cellulose, hemicellulose and xylogen.
The invention still further relates to the system of the lignocellulose biomass for the treatment of fermentation.This system comprises the pretreatment system being produced pretreated biomass by lignocellulose biomass, and pretreated biomass is separated into the separation system of the liquid component comprising sugar and the solids component comprising Mierocrystalline cellulose and xylogen.This system also comprises the first treatment system solids component of pretreated biomass being hydrolyzed into the hydrolyzing biomass comprising sugar and xylogen, and the unhydrolyzed solids composition of pretreated biomass is fermented into the fermentation system of the tunning comprising ethanol and xylogen.In addition, this system comprises the second treatment system of process tunning, and the tunning of distillation process is to reclaim the Distallation systm of ethanol.According to some embodiments, the second treatment system heating tunning.
Accompanying drawing explanation
Figure 1A is the skeleton view of the biorefinery comprising cellulosic ethanol manufacturing facility.
Figure 1B is the skeleton view of the biorefinery comprising cellulosic ethanol manufacturing facility and corn class ethanol manufacturing facility.
Fig. 2 is for the schematic diagram of cellulosic ethanol manufacturing facility for the reception of biomass and the system of preparation.
Fig. 3 is the schematic block diagram of the system for being manufactured ethanol by biomass.
Fig. 4 A, 4B and 4C are the schematic block diagrams for the treatment of the system carrying out the composition in the ethanol manufacture of free biomass with processing.
Fig. 5 A is the schematic block diagram for the preparation of biomass, pre-treatment and the equipment be separated.
Fig. 5 B is used to the skeleton view of the equipment of pre-treatment and separating biomass.
Fig. 6 A and 6B is the schematic diagram of the technical process for the system by biomass manufacture ethanol.
Fig. 7 A and 7B is the schematic block diagram of the treatment system according to illustrative embodiments.
Fig. 8 is the schematic block diagram of the treatment system according to illustrative embodiments.
Fig. 9 A is the skeleton view of distillation tower.
Fig. 9 B is the schematic diagram of distillation tower.
Figure 10 is the schematic diagram of sieve plate.
Figure 11 is figure distilling tray being shown and processing the effect of distilling working time.
Figure 12 illustrates the figure of process to the effect of the granularity of tunning.
Figure 13 A, 13B and 13C are the graphic representation of the typical operational conditions for the treatment of system.
Table 1A and 1B lists the composition comprising the biomass of the lignocellulosic plants material from milpa according to illustrative embodiments and representative embodiments.
Table 2A and 2B lists the composition of the liquid component of the pretreated biomass according to illustrative embodiments and representative embodiments.
Table 3A and 3B lists the composition of the solids component of the pretreated biomass according to illustrative embodiments and representative embodiments.
Table 4A and 4B lists the average composition of tunning.
Embodiment
With reference to Figure 1A, the biorefinery 100 being configured to be manufactured ethanol by biomass is shown.
According to illustrative embodiments, biorefinery 100 is configured to such as manufacture ethanol from the biomass of vegetable material (such as, corn cob and the maize straw) form of milpa by lignocellulosic material.Lignocellulosic material such as from the ligno-cellulosic materials of milpa comprises Mierocrystalline cellulose (therefrom can obtain C6 sugar, such as glucose) and/or hemicellulose (therefrom can obtain C5 sugar, such as wood sugar and pectinose).
As shown in Figure 1A, biorefinery comprises transport and prepares biomass to be supplied to the region in cellulosic ethanol manufacturing facility.This cellulosic ethanol manufacturing facility comprises for preparing 102, pre-treatment 104 and the equipment of biomass 106 of process becoming to be applicable to be fermented in fermentation system tunning by biomass processes.This facility comprises Distallation systm 108, and tunning distills wherein and is dehydrated into ethanol.As shown in Figure 1A, biorefinery can also comprise scrap handling system 110 (be shown as and comprise anaerobic digester and producer).According to other optional embodiment, scrap handling system can comprise the equipment that other is configured to process, process and retrieve the composition from cellulosic ethanol manufacturing process, such as solid/waste product fuel boiler, anaerobic digester, aerobic sigestion device or other biological chemistry or chemical reactor.
As shown in Figure 1B, according to an illustrative embodiments, biorefinery 112 can comprise the cellulosic ethanol manufacturing facility 114 (it manufactures ethanol by the composition of ligno-cellulosic materials and milpa) together with being seated in corn class ethanol manufacturing facility 116 (it manufactures ethanol by the starch be included in corn grain endosperm composition).As shown in Figure 1B, by two ethanol manufacturing facilities are set together, some factory system can be shared, such as, for the system of the dehydration of ethanol, storage, sex change and transport, energy/fuel-power generating system, factory management and Controlling System and other system.When preparing corn grain for grinding, (such as, by classification) obtainable zein fiber (composition of corn grain) in corn class ethanol manufacturing facility can be supplied in cellulosic ethanol manufacturing facility as raw material.From fuel or the energy source of cellulosic ethanol manufacturing facility, such as methane or xylogen, can be used for supply of power to one or two in the facility be seated in together.According to other optional embodiment, biorefinery (such as, cellulosic ethanol manufacturing facility) can be set together with the factory of other type or facility, such as power station, scrap handling facility, timber mill, paper plant or add the facility of industrial and agricultural products.
With reference to figure 2, the system 200 of the biomass for preparing to be transported to biorefinery is shown.This biomass preparation system can comprise the equipment for receiving/unloading biomass, clean (such as, removing impurity), mill (such as, grind, reduce or multiviscosisty), and for locating transport and the Transporting equipment of processing in factory.According to an illustrative embodiments, the biomass of corn cob and stalk form can be transported to biorefinery and store 202 (such as, to tie, to pile or case etc.) and management to use at facility place.According to a preferred implementation, biomass can comprise the corn cob with maize straw and other material of at least 20 ~ 30% (by weight).According to other illustrative embodiments, the preparation system 204 of biorefinery can be configured to any one (such as, vegetable material) of preparing in polytype biomass, for managing and be processed into ethanol and other biological products everywhere in factory.
With reference to figure 3, the schematic diagram of cellulosic ethanol manufacturing facility 300 is shown.According to a preferred implementation, prepare and clean the biomass of the vegetable material comprised from milpa at preparation system place.After preparation, biomass and water are mixed into slurries, and it is carried out pre-treatment at pretreatment system 302 place.In pretreatment system 302, decomposing biomass (such as, by hydrolysis) is to impel separation 304 one-tenth liquid component (such as, comprising the stream of C5 sugar) and solids component (such as, comprise cellulosic stream, therefrom can obtain C6 sugar).Liquid component (C5 stream) containing C5 sugar and the solids component (C6 stream) containing C6 sugar can carry out processing and ferment in fermentation system 308 in treatment system 306 (when can be suitable).Tunning from fermentation system 308 is fed in the Distallation systm 310 reclaiming ethanol.
As illustrated in figures 3 and 4, can process or process the composition of the removal processed from C5 stream to reclaim by product, such as organic acid, furfural and xylogen.Can by from one of C5 stream and C6 stream or both in the process processing and manufactured by biomass ethanol while distilling (or) remove become divisional processing or be processed into biological products or fuel (such as the xylogen of solid fuel fired boiler or the methane that produced as remnants/the removals material of acid and xylogen by processing example in anaerobic digester) or recovery with use or re-use.
According to a preferred implementation, biomass comprise the vegetable material from milpa, such as corn cob, bract and leaf and stem (such as, at least the first half of stem or 3/4ths); The composition of (such as, after the initial preparation of at least biomass comprises the removal of any impurity) vegetable material (such as, Mierocrystalline cellulose, hemicellulose and xylogen) is roughly as shown in table 1A and 1B.According to a preferred implementation, vegetable material comprises corn cob, bract/leaf and stem; Such as, vegetable material can comprise (by weight) core up to 100%, the bract/leaf up to 100%, about 50% core and the bract/leaf of about 50%, the core of about 30% and the bract/leaf of about 50% and the stem of about 20% or from any one in other combination multiple of the core of milpa, bract/leaf and stem.See table 1A.According to other optional embodiment, lignocellulosic plants material can comprise the fiber (such as, in the combination of some and other vegetable material) from corn grain.Table 1B provides scope that is typical and expection, thinks that its representative comprises the composition of the biomass of the ligno-cellulosic materials from milpa.According to illustrative embodiments, the lignocellulosic plants material of biomass (such as, from milpa, corn cob, milpa bract, angles of corn plant leaves and Maize Stem) comprise the Mierocrystalline cellulose of (by weight) about 30 to 50 % by weight, the hemicellulose of about 20 to 50 % by weight and about 10 to 25 % by weight xylogen; According to a particularly preferred embodiment, the lignocellulosic plants material of biomass (such as, from the core of milpa, bract/leaf and stem portion) comprise the Mierocrystalline cellulose of (by weight) about 35 to 45 % by weight, the hemicellulose of about 24 to 42 % by weight and about 12 to 20 % by weight xylogen.According to a particularly preferred embodiment, the pre-treatment output of biomass comprises (by weight) and is no less than the liquid component of the wood sugar of 1.0% and comprises the solids component that (by weight) is no less than the Mierocrystalline cellulose (therefrom can obtain glucose) of 45%.
Fig. 5 A with 5B illustrate according to illustrative embodiments for preparing, pre-treatment and the equipment 500 being separated lignocellulose biomass.As shown, in runner milling 502 (such as, runner milling or other suitable equipment or shredder), biomass are prepared.The pre-treatment 504 of the biomass prepared is carried out in reactor (or a set of reactor), and described reactor provides biomass and the acid/water of the preparation of predetermined concentration (or pH) and other operational conditions.As shown in Figure 5 B, pretreated biomass can be separated into liquid component (mainly comprising the C5 stream of the liquid with some solids) and solids component (comprising the C6 stream of liquid and such as xylogen and cellulosic solid, by further processing from wherein glucose being obtained) in whizzer 506.
According to a preferred implementation, in pretreatment system, acid is used to impel the decomposition of biomass to be separated into liquid component (C5 flows, therefrom recyclable fermentable C5 sugar) and solids component (C6 flows, and therefrom can obtain fermentable C6 sugar) in the biomass prepared.According to a preferred implementation, can in the operational conditions determined (such as, the supply etc. of acid concentration, pH, temperature, time, pressure, solid loading, flow rate, process water or stream) under acid is administered to biomass in reactor, and can by biomass in the reactor stirring/mixing to promote the decomposition of biomass.According to illustrative embodiments, (or preparation/mixtures of acid) such as acid such as sulfuric acid, hydrochloric acid, nitric acid, phosphoric acid, acetic acid can be applied in biomass.According to a particularly preferred embodiment, in pre-treatment, sulfuric acid is applied in biomass.
Liquid component (C5 stream) comprising water, can obtaining the dissolving sugar (such as wood sugar, pectinose and glucose) for being fermented into ethanol, sour and other soluble ingredient reclaimed from hemicellulose.(table 2B provides scope that is typical and expection, thinks that its representative comprises the composition of the biomass of the ligno-cellulosic materials from milpa.) according to an illustrative embodiments, liquid component can comprise the solid (such as, suspension/residual solid, the hemicellulose of such as partial hydrolysis, Mierocrystalline cellulose and xylogen) of about 5 ~ 7%.According to a particularly preferred embodiment, liquid component comprises the wood sugar (by weight) of at least 2 ~ 4%; According to other illustrative embodiments, liquid component comprises the wood sugar (by weight) being no less than 1 ~ 2%.Table 2A and 2B lists the composition of the liquid component of the pretreated biomass (freely showing the biomass of the preparation shown in 1A and 1B) according to illustrative embodiments and representative embodiments.
Solids component (C6 stream) comprises the solid of water, acid and such as Mierocrystalline cellulose and xylogen, wherein can obtain sugar such as glucose for being fermented into ethanol from described Mierocrystalline cellulose.(table 3B provides scope that is typical and expection, thinks that its representative comprises the composition of the biomass of the ligno-cellulosic materials from milpa.) according to an illustrative embodiments, solids component can comprise solid (by weight) (after the separation) of about 10 ~ 40%; According to a particularly preferred embodiment, solids component comprises the solid (by weight) of about 20 ~ 30%.According to a preferred implementation, the solid in solids component comprises the Mierocrystalline cellulose being no less than 30%, and this solids component can also comprise other dissolving sugar (such as, glucose and xylose).Table 3A and 3B lists the composition of the solids component of the pretreated biomass (freely showing the biomass of the preparation shown in 1A and 1B) according to illustrative embodiments and representative embodiments.
In preprocessing process, harsh (severity) of operational conditions (such as pH, temperature and time) may cause the formation of the composition of stopping fermentation.Such as, in some conditions, the dehydration of C5 sugar (such as wood sugar or pectinose) may cause the formation of furfural.Such as, when discharging in the decomposition course of the hemicellulose of acetate in pre-treatment, also acetic acid may be formed.If can join to promote that pretreated sulfuric acid is not removed or neutralizes in the biomass of preparation, also may stopping fermentation.According to an illustrative embodiments, by regulating pretreatment condition (such as pH, temperature and time), can reduce or control the formation of inhibitor; According to other illustrative embodiments, the composition of pretreated biomass can be further processed the level removing or reduce inhibitor (or other less desirable material).
According to an illustrative embodiments, can by biomass and the water that will prepare and sour (such as, sulfuric acid) mixing form the slurries comprising the solid (by weight) carrying out authigenic material of about 10 ~ 30% and the acid (by weight) of about 0.8 ~ 1.3%, pre-treatment is carried out to biomass.The temperature of slurries keeps about 3 to 15 minutes in about 130 to 185 degrees Celsius.According to an embodiment, the pressure that can be increased to about 100 to 120 pounds per square inch from normal atmosphere in closed reactor in reaction process, carry out pre-treatment.
With reference to figure 6A and 6B, pre-treatment be separated after, C5 stream and C6 flow process respectively; As shown, C5 stream and C6 stream can (in the treatment system 610,612 of separating) be processed respectively before common fermentation 614 (C5/C6 fermentation as shown in Figure 6A), or (in the treatment system 610,612 of separating) processes respectively, comprise ferment respectively (C5 separated as shown in Figure 6B ferments and C6 fermentation 616,618).
Effective composition fermented is suppressed (such as removing, furfural, hydroxymethylfurfural (HMF), sulfuric acid and acetic acid) and may from the residual lignin (or other material) of C5 sugar composition fermentation, the process of the C5 stream of biomass can be carried out, sugar (such as, other sugar of wood sugar, pectinose and such as glucose) is made to can be used for fermentation.The C5 that can also concentrate in C5 stream is sugared with the efficiency (such as, to improve the titre for the ethanol distilled) improving fermentation.
The process can carrying out C6 stream (solids component) of biomass can be used for fermentation to make C6 sugar.According to a preferred implementation, can be hydrolyzed (such as enzymic hydrolysis) is to obtain the C6 sugar in Mierocrystalline cellulose; For remove other non-fermented composition in xylogen and C6 stream (or for remove composition such as remaining acid or suppress the acid of effectively fermentation), can also process.
According to the illustrative embodiments shown in Fig. 6 A, pre-treatment be separated after, C5 stream and C6 stream can separately process, merge (such as after treatment afterwards, as slurries) for fermenting 614 altogether to produce C5/C6 tunning by obtainable sugar (such as, xylose and glucose) in fermentation system; C5/C6 tunning (after process 620, if there is process 620) can be fed in Distallation systm 622 for reclaiming ethanol (such as, by distilling and dewatering).According to the illustrative embodiments shown in Fig. 6 B, C5 stream and C6 stream by fermentation 616,618 and can distill the respective separate machined of 624,626 (after process 628,630, if there is process 628,630) to manufacture ethanol.According to any preferred implementation, in fermentation system, use suitable fermenting organisms (producing and ethanol class); The selection of producing and ethanol class based on various consideration, such as, can be present in the main Types of the sugar in slurries.Dehydration and/or the sex change of originating from the ethanol of C5 stream and C6 stream can separately be carried out or merge carrying out.
With reference to figure 7A, Fig. 7 B and Fig. 8, according to illustrative embodiments, the treatment system 700,702,800 for tunning is shown.By using producing and ethanol class (such as in fermentation system, yeast cell) produce tunning, so that ethanol will be converted into for obtainable sugar (such as, C5 sugar and/or C6 sugared) from biomass (such as, from process biomass) by fermentation.Fermentation system can so that (such as, fed-batch), continuous flow or other arrangement run in batches.Depend on the composition of the biomass of the process be fed in fermentation system and before fermentation, be applied to the process of liquid component and solids component, tunning (it also can refer to as or refer to as and comprise wine with dregs or fermented liquid) comprises second alcohol and water, and unfermentable material (such as, any unfermentable sugar) and non-fermented material (such as, residual lignin and other solid); Tunning also comprises the producing and ethanol class (such as, yeast cell) for the manufacture of ethanol of particulate matter (solid such as, contained) form; Such as, tunning can also comprise other composition produced by fermentation system, such as glycerine (product of fermentation).
The xylogen in solids component is not decomposed in the enzymic hydrolysis of use cellulase zymin usually.In the solids component (such as, hydrolysate) of the process after cellulosic enzymic hydrolysis, xylogen forms the basal component of residual solid.Use the conventional producing and ethanol class preparation being used for glucose fermentation being become ethanol, xylogen is not fermentable.When being distilled in a distillation column by the tunning comprising xylogen and other residual solid, residual solid may adhere to the surface of distillation tower and Other Instruments, is caused the interruption in system cloud gray model by the fouling of instrument and blocking.When producing tunning when not processing or remove xylogen and other residual solid, Distallation systm may only can move to many five hours and interruption that dirt of having no way of causes.
According to an illustrative embodiments, can before it is distilled by heat 704 or boiling process tunning, as shown in figs. 7 a-b.Heating tunning may cause the coalescent of the particulate matter comprising residual solid (comprising xylogen).The residual solid of process has the tendency adhering to surface of reduction, makes Distallation systm without interruptedly continuous service more than ten days.According to an illustrative embodiments, tunning can be heated in the scope of 80 to 94 degrees Celsius.According to a preferred implementation, tunning can be heated in the scope of 82 to 90 degrees Celsius.According to a particularly preferred embodiment, tunning can be heated in the scope of 84 to 87 degree of setting.Treatment system can comprise container, heat exchanger or boiling pipe or other device for temperature of realizing ideal.According to an embodiment, the tunning of distillation process is to reclaim ethanol.
As shown in Figure 7 A, treatment system can use together with following flow process: wherein C5 flows and C6 stream carries out common fermentation 706 (simultaneously see Fig. 6 A).As shown in Figure 7 B, treatment system can use together with following flow process: wherein C5 flows and C6 flows and carries out fermentation 708,710 (simultaneously see Fig. 6 B) respectively.
With reference to figure 8, according to an illustrative embodiments, the tunning of heating also can be separated in 802 first and use whizzer to be separated, to remove the residual solid of at least part of process.Can be washed with water by the residual solid of centrifugal segregation, and be separated into the solids component consisting essentially of solid matter such as xylogen and producing and ethanol class/yeast cell and the liquid component consisting essentially of second alcohol and water further in the second separation 804.The liquid component that can be separated with from first from the second liquid component being separated 804 merges, and is supplied to Distallation systm to reclaim ethanol by distilling and dewatering.The residual solid of removal (such as, the composition of removal) can be used or it is processed further be used as fuel (such as, be dried to solid fuel or be processed into methane by anaerobic digester) or be used as other biological products.
The tunning of distillation process is to reclaim ethanol.According to an embodiment, distillation can run at least 24 hours continuously.According to a preferred implementation, distillation can run at least 48 hours continuously.
According to an embodiment, tunning comprises the solids component containing at least 40% xylogen.The mean particle size of the solids component of tunning is generally about 8 to 15 microns.According to an illustrative embodiments, fermentative processing can by the mean particle size increase at least 50% of solids component.According to a preferred implementation, the mean particle size of solids component can increase up to 100% by process.
With reference to figure 9A and 9B, typical distillation tower 900 is shown.Arbitrary distillation tower known in the art can be used to construct.In an illustrative embodiments, distillation tower is of a size of the diameter of about 6 inches and the length of about 14.5 feet.Multiple distilling trays 1000 as shown in Figure 10
(or sieve plate) is stacked on the inside of tower.Typical sieve plate comprises the multiple apertures 1002 (such as, sieve plate hole) allowing stream to move up in distillation tower and the few comparatively macropore 1004 (such as, downtake) allowing tunning to move down in described distillation tower.Compared with macropore can to adopt on column plate outstanding about 0.5 to 1 inch and under column plate the pipe of outstanding about 4 to 8 inches.By the opening close to top of tower, tunning is fed to distillation tower.By the stream of the opening supplied with pressurized at tower bottom, heating tunning also causes ethanol evaporation.The ethanol of evaporation leaves distillation tower by the opening of top of tower.Remaining vinasse (all ethanol is removed all substantially) leave tower by the opening of tower bottom.
Figure 13 A, 13B and 13C illustrate according to the hydrolysate of the solids component of the pretreated biomass of the process of the illustrative embodiments of described system with the operational conditions of object (subject) parameter except delignification; Operational conditions illustrates with the form of nested scope (nestedranges), and described nested scope comprises for the accepted operating range (illustrate outer/wide region) of each object conditioned disjunction parameter, preferably operating range (intermediate range illustrated) and particularly preferred operating range (illustrate interior/close limit).
According to an illustrative embodiments, as shown in FIG. 13A, the temperature in the treating processes of fermentation of biomass can be about 80 to 94 degrees Celsius.According to a preferred implementation, the temperature in the treating processes of fermentation of biomass can be about 82 to 90 degrees Celsius, and according to a particularly preferred embodiment, the temperature in the treating processes of fermentation of biomass can be about 84 to 87 degrees Celsius.
According to an illustrative embodiments, as shown in Figure 13 B, the pH in the treating processes of fermentation of biomass can be about 4.0 to 7.2.According to a preferred implementation, the pH in the treating processes of fermentation of biomass can be about 4.4 to 6.8, and according to a particularly preferred embodiment, the pH in the treating processes of fermentation of biomass can be about 4.6 to 5.0.
According to an illustrative embodiments, as shown in fig. 13 c, the process of fermentation of biomass can be about 10 seconds to 240 minutes.According to a preferred implementation, the process of fermentation of biomass can be about 20 seconds to 10 minutes, and according to a particularly preferred embodiment, the process of fermentation of biomass can be about 30 seconds to 2 minutes.
Table 4A and 4B illustrates the average composition of tunning.As shown shown in 4A, the solids component of tunning can comprise average about 56% xylogen (by weight), about 15% Mierocrystalline cellulose, the hemicellulose of about 4%, the ash content (such as, inorganic components) of about 14% and about 11% other composition.As shown shown in 4B, the liquid component of tunning comprise the average ethanol of about 6%, the glycerine of about 0.6% and about 1.6% sugar (such as, C6 sugar and C5 sugared).Depend on fermentation condition, the solids content of tunning can be about 8 to 10 % by weight.The pH of tunning in process and still-process can in the scope of about pH4.6 to 5.0.
embodiment 1
Use Distallation systm as illustrated in figures 9a and 9b to evaluate the design of different distilling tray and tunning process to distilling the effect of working time in embodiment 1.Figure 11 illustrates the Distallation systm working time reached with the tunning of untreated tunning and process.When using the sieve plate of 1/8 inch bore in a distillation column, tower can not run, and reaches 0 hour working time.When using baffle tray in a distillation column, tower can run about 4 hours.When the sieve plate of use 1/2 inch bore, tower can run about 5 hours.When according to a preferred implementation by being heated to 88 degrees Celsius to process tunning and using the sieve plate of 1/2 inch bore time, reach the continuous working period of the operability of improvement and at least 285 hours of increase, and there is no fouling and/or the blocking of distillation tower.As shown in figure 11, compared with 1/8 inch bore, comparatively large (1/2 inch) sieve aperture improves the operability of distillation tower, but it is not enough to alone allow lasting operation.
embodiment 2
Carry out laboratory experiment to illustrate the impact of heating tunning, this impact is measured by granularity.By milling, pre-treatment, hydrolysis and fermentation of biomass (corn cob) prepare the tunning comprising about 9% residual solid.200mL tunning is heated to 85 degrees Celsius, and makes it be cooled to free air temperature (about 21 degrees Celsius).Laser diffraction particle size analyser (can obtain from the Horiba of kyoto, Japan) is used to measure granularity to measure the coalescent of particle before treatment with after process.The size-grade distribution of untreated tunning illustrates the peak at 0.30 micron, 11.6 microns (maximum peak) and 175 microns of places.The size-grade distribution of the tunning of process (is less than 1 micron) and does not show peak near less granularity, and other peak is at 22.8 microns (maximum peaks) and 229 microns of places.Observe mean particle size and be increased to about 24.5 microns after process from about 12.8 microns before treatment.Result display in fig. 12.
***
In the application's (comprising figure and embodiment), the embodiment of disclosure and description is intended to description and interpretation the present invention.Can change such as adopting the equipment of (or to be employed) and the composition of method and use (or to be used) and the disclosed embodiment of process and change; All these change and change and are all intended to fall within the scope of the present invention.
Word " exemplary " is used to represent the effect played example, example or example and illustrate.The embodiment that should not be described as " exemplary " by any in the nature of things or design are interpreted as preferably or are better than other embodiment or design, are also not intended to get rid of the equivalent example arrangement known to those of ordinary skill in the art and technology.On the contrary, the utilization of this word exemplary wants to present concept in a concrete fashion, and disclosed theme not limit by these examples.
Term "or" is the "or" being intended to represent "or" instead of the eliminating comprised." comprise " as the term used in detailed description book or claim, word that " having ", " containing " are similar with other, for exempting query, these words all mean " to comprise " being included of similar mode to term, its do not get rid of as open undertaking word any additionally or other element.
Claims (30)
1. process to be supplied in Distallation systm for the manufacture of a method for the lignocellulose biomass of the fermentation of ethanol, described method comprises:
Lignocellulose biomass pre-treatment is become pretreated biomass;
Described pretreated biomass are separated into the liquid component comprising sugar and the solids component comprising Mierocrystalline cellulose and xylogen;
The solids component of described pretreated biomass is hydrolyzed into the hydrolyzing biomass comprising sugar and xylogen;
The unhydrolyzed solids composition of described pretreated biomass is fermented into the tunning comprising ethanol and the solids component containing xylogen, the solids component of wherein said tunning has mean particle size;
Described tunning is heated to the temperature range of 80 to 94 degrees Celsius with the particulate matter in coalescent described tunning, thus the tunning of formation processing, the tunning of described process comprises coalescent particulate matter, and the mean particle size of wherein said coalescent particulate matter is than the mean particle size large at least 50% of the solids component of described tunning; With
The tunning of distillation process is to reclaim ethanol, and wherein said distillation is carried out after described heating steps;
Wherein said lignocellulose biomass comprises Mierocrystalline cellulose, hemicellulose and xylogen.
2. the method for claim 1, the mean particle size of the solids component of wherein said tunning is 8 to 15 microns.
3. the method for claim 1, wherein heats described tunning and comprises the temperature described tunning being heated to 82 to 90 degrees Celsius.
4. the method for claim 1, wherein heats described tunning and comprises the temperature described tunning being heated to 84 to 87 degrees Celsius.
5. the method for claim 1, wherein said distillation continuous service at least 24 hours.
6. the method for claim 1, wherein said distillation continuous service at least 48 hours.
7. the method for claim 1, wherein said lignocellulose biomass comprises at least one in corn cob, milpa bract, angles of corn plant leaves and milpa stem.
8. the method for claim 1, wherein said lignocellulose biomass comprises the Mierocrystalline cellulose of 30 to 55 % by weight and the hemicellulose of 20 to 50 % by weight.
9. the method for claim 1, wherein said lignocellulose biomass (a) comprises corn cob, milpa bract, angles of corn plant leaves and Maize Stem, and (b) comprises the Mierocrystalline cellulose of 35 to 45 % by weight and the hemicellulose of 24 to 42 % by weight.
10. the method for claim 1, wherein said lignocellulose biomass is made up of corn cob, milpa bract, angles of corn plant leaves and Maize Stem.
11. the method for claim 1, wherein said lignocellulose biomass comprise the Mierocrystalline cellulose of 30 to 55 % by weight, the hemicellulose of 20 to 50 % by weight and 10 to 25 % by weight xylogen.
12. the method for claim 1, wherein said lignocellulose biomass comprises corn cob, milpa bract, angles of corn plant leaves, Maize Stem and corn grain fiber.
13. the method for claim 1, wherein said tunning comprises solids component, and wherein said solids component comprises the xylogen of at least 25%.
14. the method for claim 1, wherein said tunning comprises solids component, and wherein said solids component comprises the xylogen of at least 40%.
15. the method for claim 1, wherein before being fermented into described tunning, described liquid component and described unhydrolyzed solids composition merge.
16. 1 kinds, for the treatment of the system of the lignocellulose biomass of fermentation, comprising:
Pretreatment system, it produces pretreated biomass by lignocellulose biomass;
Separation system, described pretreated biomass are separated into the liquid component comprising sugar and the solids component comprising Mierocrystalline cellulose and xylogen by it;
First treatment system, the solids component of described pretreated biomass is hydrolyzed to the hydrolyzing biomass comprising sugar and xylogen by it;
Fermentation system, the unhydrolyzed solids composition of described pretreated biomass is fermented into the tunning comprising ethanol and the solids component containing xylogen by it, and the solids component of wherein said tunning has mean particle size;
Second treatment system, described tunning heats the temperature range of 80 to 94 degrees Celsius with the particulate matter in coalescent described tunning by it, thus the tunning of formation processing, the tunning of described process comprises coalescent particulate matter, and the mean particle size of wherein said coalescent particulate matter is than the mean particle size large at least 50% of the solids component of described tunning; With
Distallation systm, it distills the tunning of process to reclaim ethanol after the coalescent described particulate matter of described second process;
Wherein said lignocellulose biomass comprises Mierocrystalline cellulose, hemicellulose and xylogen, and wherein coalescent particulate matter has the tendency adhering to described Distallation systm surface of reduction.
17. systems as claimed in claim 16, the mean particle size of the solids component of wherein said tunning is 8 to 15 microns.
18. systems as claimed in claim 16, described tunning is heated to the temperature of 82 to 90 degrees Celsius by wherein said second treatment system.
19. systems as claimed in claim 16, described tunning is heated to the temperature of 84 to 87 degrees Celsius by wherein said second treatment system.
20. systems as claimed in claim 16, wherein said Distallation systm continuous service at least 24 hours.
21. systems as claimed in claim 16, wherein said Distallation systm continuous service at least 48 hours.
22. systems as claimed in claim 16, wherein said lignocellulose biomass comprises at least one in corn cob, milpa bract, angles of corn plant leaves and milpa stem.
23. systems as claimed in claim 16, wherein said lignocellulose biomass comprises the Mierocrystalline cellulose of 30 to 55 % by weight and the hemicellulose of 20 to 50 % by weight.
24. systems as claimed in claim 16, wherein said lignocellulose biomass (a) comprises corn cob, milpa bract, angles of corn plant leaves and Maize Stem, and (b) comprises the Mierocrystalline cellulose of 35 to 45 % by weight and the hemicellulose of 24 to 42 % by weight.
25. systems as claimed in claim 16, wherein said lignocellulose biomass is made up of corn cob, milpa bract, angles of corn plant leaves and Maize Stem.
26. systems as claimed in claim 16, wherein said lignocellulose biomass comprise the Mierocrystalline cellulose of 30 to 55 % by weight, the hemicellulose of 20 to 50 % by weight and 10 to 25 % by weight xylogen.
27. systems as claimed in claim 16, wherein said lignocellulose biomass comprises corn cob, milpa bract, angles of corn plant leaves, Maize Stem and corn grain fiber.
28. systems as claimed in claim 16, wherein said tunning comprises solids component, and wherein said solids component comprises the xylogen of at least 25%.
29. systems as claimed in claim 16, wherein said tunning comprises solids component, and wherein said solids component comprises the xylogen of at least 40%.
30. systems as claimed in claim 16, the described liquid component that wherein said fermentation system fermentation merges with described unhydrolyzed solids composition.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17934909P | 2009-05-18 | 2009-05-18 | |
| US61/179,349 | 2009-05-18 | ||
| PCT/US2010/035316 WO2010135366A1 (en) | 2009-05-18 | 2010-05-18 | System for treatment of biomass to facilitate the production of ethanol |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102459617A CN102459617A (en) | 2012-05-16 |
| CN102459617B true CN102459617B (en) | 2016-01-27 |
Family
ID=43126480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080027262.7A Expired - Fee Related CN102459617B (en) | 2009-05-18 | 2010-05-18 | For the treatment of biomass to promote the system that ethanol manufactures |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP2432889A4 (en) |
| CN (1) | CN102459617B (en) |
| BR (1) | BRPI1013041A2 (en) |
| CA (1) | CA2762689A1 (en) |
| CL (1) | CL2011002929A1 (en) |
| MX (1) | MX2011012376A (en) |
| WO (1) | WO2010135366A1 (en) |
| ZA (1) | ZA201108496B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103814000A (en) | 2011-08-31 | 2014-05-21 | 艾欧基能源公司 | Process for recovering salt during lignocellulosic conversion process |
| US9617574B2 (en) | 2013-03-15 | 2017-04-11 | Auburn University | Efficient process for producing saccharides and ethanol from a biomass feedstock |
| EP3383971A1 (en) * | 2015-12-04 | 2018-10-10 | Arbiom SAS | System and method for treatment of biomass for the production of biofuels and biochemicals |
| KR102073898B1 (en) * | 2018-05-28 | 2020-02-05 | 씨제이제일제당 주식회사 | A physically pretreated biomass composition capable of membrane filtration |
| CN108753870A (en) * | 2018-05-31 | 2018-11-06 | 天津科技大学 | A kind of biomass treatment method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7271244B2 (en) * | 2004-02-06 | 2007-09-18 | Novozymes, Inc. | Polypeptides having cellulolytic enhancing activity and polynucleotides encoding same |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050233030A1 (en) * | 2004-03-10 | 2005-10-20 | Broin And Associates, Inc. | Methods and systems for producing ethanol using raw starch and fractionation |
| AU2007210012B2 (en) * | 2006-01-27 | 2012-04-05 | University Of Massachussetts | Systems and methods for producing biofuels and related materials |
| WO2009058276A1 (en) * | 2007-11-01 | 2009-05-07 | Mascoma Corporation | Product recovery from fermentation of lignocellulosic biomass |
-
2010
- 2010-05-18 BR BRPI1013041A patent/BRPI1013041A2/en not_active IP Right Cessation
- 2010-05-18 CN CN201080027262.7A patent/CN102459617B/en not_active Expired - Fee Related
- 2010-05-18 EP EP10778283.1A patent/EP2432889A4/en not_active Withdrawn
- 2010-05-18 MX MX2011012376A patent/MX2011012376A/en active IP Right Grant
- 2010-05-18 CA CA2762689A patent/CA2762689A1/en not_active Abandoned
- 2010-05-18 WO PCT/US2010/035316 patent/WO2010135366A1/en active Application Filing
-
2011
- 2011-11-18 CL CL2011002929A patent/CL2011002929A1/en unknown
- 2011-11-18 ZA ZA2011/08496A patent/ZA201108496B/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7271244B2 (en) * | 2004-02-06 | 2007-09-18 | Novozymes, Inc. | Polypeptides having cellulolytic enhancing activity and polynucleotides encoding same |
Non-Patent Citations (1)
| Title |
|---|
| Microbial-based motor fuels: science and technology;Wackett LP;《Microb Biotechnol》;20080531;第1卷(第3期);211-215 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102459617A (en) | 2012-05-16 |
| MX2011012376A (en) | 2012-01-30 |
| CA2762689A1 (en) | 2010-11-25 |
| CL2011002929A1 (en) | 2012-08-24 |
| BRPI1013041A2 (en) | 2015-09-15 |
| EP2432889A1 (en) | 2012-03-28 |
| WO2010135366A1 (en) | 2010-11-25 |
| ZA201108496B (en) | 2013-01-30 |
| EP2432889A4 (en) | 2013-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8815552B2 (en) | System for fermentation of biomass for the production of ethanol | |
| US9416376B2 (en) | System for management of yeast to facilitate the production of ethanol | |
| US20100233771A1 (en) | System for pre-treatment of biomass for the production of ethanol | |
| EP2547778B1 (en) | System for the treatment of biomass | |
| CN103547677B (en) | System and method for biomass by hydrolyzation | |
| EP2582822B1 (en) | Method for producing ethanol from biomass | |
| US20160369304A9 (en) | System for treatment of biomass to facilitate the production of ethanol | |
| US8852301B1 (en) | Composition of lignin pellets and system for producing | |
| CN102203271A (en) | Materials and methods for converting biomass to biofuel | |
| CA2795503A1 (en) | System for treatment of biomass to facilitate the production of ethanol | |
| CN102459617B (en) | For the treatment of biomass to promote the system that ethanol manufactures | |
| US20150087040A1 (en) | Production of ethanol and recycle water in a cellulosic fermentation process | |
| JP4875785B1 (en) | Sugar solution manufacturing apparatus, fermentation system, sugar solution manufacturing method and fermentation method | |
| WO2015048213A1 (en) | Production of ethanol with reduced contaminants in a cellulosic biomass based process with rectification column and molecular sieves | |
| Prado et al. | Integrated Production of Ethanol from Starch and Sucrose | |
| Sovorawet et al. | Bioproduction of ethanol in separate hydrolysis and fermentation and simultaneous saccharification and fermentation from cassava stalks | |
| WO2014193344A1 (en) | System for management of yeast to facilitate the production of ethanol |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20170518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |