EP3116830A1 - Salt separator and method for producing a methane-containing gas mixture from biomass by using a salt separator - Google Patents
Salt separator and method for producing a methane-containing gas mixture from biomass by using a salt separatorInfo
- Publication number
- EP3116830A1 EP3116830A1 EP15707923.7A EP15707923A EP3116830A1 EP 3116830 A1 EP3116830 A1 EP 3116830A1 EP 15707923 A EP15707923 A EP 15707923A EP 3116830 A1 EP3116830 A1 EP 3116830A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cavity
- salt separator
- salt
- biomass
- salts
- 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.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
- C02F11/08—Wet air oxidation
- C02F11/086—Wet air oxidation in the supercritical state
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/025—Thermal hydrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/20—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F2001/5218—Crystallization
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
-
- 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
- C12P2201/00—Pretreatment of cellulosic or lignocellulosic material for subsequent enzymatic treatment or hydrolysis
-
- 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
-
- 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
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Definitions
- the present invention relates to a salt separator and to a method for producing a methane-containing gas mixture from biomass using a salt separator.
- biomass vegetable or animal material, by way of example wood, manure, manure, straw, grass, algae, sewage sludge and slaughterhouse waste, but the present process is also suitable for other substances with organic contents such as e.g.
- the salt separator is generally suitable for the separation of salts from aqueous solutions with and without organics.
- SFOE Swiss Federal Office of Energy
- Wädenswil University "Scheurer, K .; Baier, U. Biogenic goods in Switzerland. Mass and
- Reaction medium to perform chemical reactions.
- this medium is suitable for the hydrolysis and the conversion of biomass to liquid and gaseous
- reaction (1) is complete, a high thermal efficiency can be expected because reaction (1) is slightly exothermic.
- the theoretical maximum possible efficiency is 95% (based on the lower calorific value H u of the wood).
- An Applicant's system analysis for a commercial process showed recoverable efficiency in the range of 70-80% for wood. This was detailed in the literature "Vogel, F., and F. Hildebrand, Catalytic Hydrothermal Gasification of Woody Biomass at High Feed
- Patent Application EP 1 772 202 A1 discloses a process for the production of methane from biomass, which comprises the following process steps:
- the invention is therefore an object of the invention to provide a salt separator and a method for the hydrothermal generation of a methane-containing gas from biomass using a Salzabscheiders, the salt separator should be simple and operate and the process has a particularly high To have efficiency. This task is related to the salt separator
- a salt separator for separating salts and / or solids from a pumpable
- aqueous fluid mixture under process conditions preferably substantially in the range of critical
- the salt separator comprising the following components:
- reaction zone in the form of a cavity for
- Discharge opening is arranged in the upper region of the cavity.
- Fluid mixtures are, for example, a pumpable
- the cavity has the shape of a rising column in which the increasingly freed from salt crude mixture rise and can be deducted for subsequent processing.
- the first Discharge opening is arranged in the region of the highest point of the cavity.
- Discharge opening in the region of the lowest point of the cavity is arranged. A deduction of the salt and / or solid brine can then take place laterally, so that the
- Supply of the pumpable aqueous fluid mixture can be carried out directly from below vertically into the cavity.
- Supply of the pumpable aqueous fluid mixture can then also be provided that the
- Feed opening is located at the cavity-side end of a riser, which projects perpendicularly into the cavity. In this way also results in a sufficiently large spatial
- Cavity is designed to be heated. For example, arranged on the walls of the cavity electrical
- Resistance heating elements and / or induction heating can be provided. It is also possible to heat the
- the above-mentioned object is achieved according to the invention by a method for generating a methane-containing gas mixture from biomass, in which from a pumpable aqueous biomass pulp before
- FIG. 1 shows a schematic view of a longitudinal section through a salt separator
- Figure 2 shows a time course of the specific
- FIG. 1 shows a schematic view of a longitudinal section through a salt separator 2, as it is for the separation of
- Salts and / or solids from an aqueous fluid mixture is used.
- the crude product freed of salts and / or solids is then subjected to further processing, e.g. a methanation reaction, fed, due to the
- Catalysts and low corrosion of the process exposed surface can be achieved.
- the salt separator 2 is typically one
- Stainless steel housing 4 (or other suitable material such as titanium or a nickel alloy) constructed, which encloses a cylindrical cavity 6.
- the cavity 6 is in this sense a reaction space in which in the aqueous fluid mixture dissolved salts below those in the cavity. 6
- a feed 8 is provided, through which the aqueous fluid mixture is introduced under high pressure of 200 to 400 bar at a temperature of about 350 to 500 ° C in the cavity 6.
- the aqueous fluid mixture exits at elevated position from a riser 10 into the cavity 6.
- a first discharge opening 12 for a salt and / or solids largely freed crude fluid is essentially at the highest position in the cavity 6 .
- a second vent 16 is provided for a salt and / or solids-laden brine, which is thus discharged from the further processing process.
- heating elements 14 in the form of resistance and / or induction heaters are provided.
- heating of the outer wall by means of hot gases such as, for example, is also possible. Exhaust gases from a furnace or process exhaust gases. Furthermore, it is possible, the required heating by adding
- Oxidizing agents in the incoming fluid e.g. nitrates
- Oxygen or hydrogen peroxide
- FIG. 2 also shows, by way of example, a time profile of the specific conductivity of a reactant of 10% by weight of isopropanol in water with a salt charge of 0.1 mol / l of sodium sulfate and 0.05 mol / l of potassium sulfate in one
- Salt separator 2 according to FIG. 1 at a temperature of 450 ° C and a pressure of 300 bar.
- isopropanol as this well imitates the organics of a liquefied biomass pulp, which plays a role in the deposition of salts.
- the conductivity of the brine increases very rapidly to about 30 mS / cm.
- the conductivity of the brine increases very rapidly to about 30 mS / cm.
- the biomass is in a 1st process step
- TM dry matter content
- other additives e.g., starch, waste oils
- the desired dry matter content is 5 to 80
- Mass percent preferably about 15 to 40 mass percent. The method works particularly economically when the dry organic content is about 20 mass% or more.
- the conditioned biomass pulp is in a 2.
- Delivery units are particularly suitable extruder
- the biomass pulp is heated under pressure to 200-350 ° C.
- the solid organic biomass components largely liquefy. For better heating and liquefaction this can Process stage static mixing elements and / or a
- Catalyst e.g., zinc oxide
- Temperature level brought preferably in the range or above the critical temperature of the respective mixture.
- a guide here serves the critical temperature of water at 374 ° C and 221 bar. This can be achieved by external heat input (e.g., by a burner / catalytic
- Burner fed with recycle product gas or by adding suitable oxidants (e.g., oxygen, air, hydrogen peroxide, ammonium and other nitrates) directly to the 4th process stage (or any of the preceding process stages 1-3).
- suitable oxidants e.g., oxygen, air, hydrogen peroxide, ammonium and other nitrates
- Biomass stream (the hot raw fluid), now freed from most solids, in a fed with a suitable catalyst reactor where the gasification to Methane, carbon dioxide, hydrogen and traces of
- the catalyst preferably comprises ruthenium and may also have nickel (for example Raney® nickel) as well as furthermore also fractions of chromium and / or copper.
- nickel for example Raney® nickel
- Other catalysts based on Ni, Re, or Rh as the active metal are
- the reactor is preferably used as a fluidized bed reactor, as a monolith reactor or as
- Wall reactor (with catalyst coated tube or tube bundle) designed. But it could also be used pipes in which catalytically coated sheets are used.
- Product stream then fed to its further use.
- This process step can also be used to separate methane from CO 2 and the remaining gas components.
- the product stream can also be cooled to about 50 ° C and the gas phase can be separated under pressure from the liquid phase.
- a suitable apparatus eg.
- washing column, membrane separation, adsorber the methane can be separated from the other components from the gas phase and is then available under high pressure (about 200 to 400 bar). This is no longer necessary
- the provision of methane from biomass provides, inter alia, for natural gas filling stations and / or for the
- Fluid mixtures are used. Suitable fluid mixtures here are, for example, a pumpable biomass pulp, geothermal wastewater, wastewater from oil wells and generally all types of saline process waters, with and without organic matter.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14159871.4A EP2918549A1 (en) | 2014-03-14 | 2014-03-14 | Salt precipitator and method for generating a gas mixture containing methane from biomass using a salt precipitator |
PCT/EP2015/054313 WO2015135785A1 (en) | 2014-03-14 | 2015-03-02 | Salt separator and method for producing a methane-containing gas mixture from biomass by using a salt separator |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3116830A1 true EP3116830A1 (en) | 2017-01-18 |
Family
ID=50440455
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14159871.4A Withdrawn EP2918549A1 (en) | 2014-03-14 | 2014-03-14 | Salt precipitator and method for generating a gas mixture containing methane from biomass using a salt precipitator |
EP15707923.7A Ceased EP3116830A1 (en) | 2014-03-14 | 2015-03-02 | Salt separator and method for producing a methane-containing gas mixture from biomass by using a salt separator |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14159871.4A Withdrawn EP2918549A1 (en) | 2014-03-14 | 2014-03-14 | Salt precipitator and method for generating a gas mixture containing methane from biomass using a salt precipitator |
Country Status (4)
Country | Link |
---|---|
US (1) | US10472267B2 (en) |
EP (2) | EP2918549A1 (en) |
CA (1) | CA2942430C (en) |
WO (1) | WO2015135785A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108439694B (en) * | 2018-02-12 | 2021-04-13 | 东华大学 | Treatment method for high-salt high-organic matter wastewater evaporation concentration coupling thermocatalysis carbon crystallization |
ES2969999A1 (en) * | 2022-10-20 | 2024-05-23 | Mendioroz Maria Blanca Hermana | PROCEDURE FOR THE DECONTAMINATION OF EFFLUENTS WITH ORGANIC LOAD THROUGH A SUBCRITICAL WET OXIDATION PROCESS THAT OCCURS IN A TUBULAR REACTOR WHOSE TEMPERATURE IS REGULATED BY A FLUID IN PHASE EQUILIBRIUM THAT CIRCULATES THROUGH A SHELL THAT CONTAINS IT (Machine-translation by Google Translate, not legally binding) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130126442A1 (en) * | 2011-11-17 | 2013-05-23 | General Electric Company | Methods for removing contaminants from water |
Family Cites Families (22)
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JPS531957A (en) * | 1976-06-25 | 1978-01-10 | Nippon Petrochemicals Co Ltd | Method and apparatus for wet oxidative treating method of waste liquor |
US4229296A (en) * | 1978-08-03 | 1980-10-21 | Whirlpool Corporation | Wet oxidation system employing phase separating reactor |
US4221763A (en) * | 1978-08-29 | 1980-09-09 | Cities Service Company | Multi tube high pressure, high temperature reactor |
JPS6166789A (en) * | 1984-09-11 | 1986-04-05 | Agency Of Ind Science & Technol | Liquefaction of cellulosic biomass under supercritical conditions |
US4822497A (en) * | 1987-09-22 | 1989-04-18 | Modar, Inc. | Method for solids separation in a wet oxidation type process |
US5200093A (en) * | 1991-06-03 | 1993-04-06 | Abb Lummus Crest Inc. | Supercritical water oxidation with overhead effluent quenching |
US5552039A (en) * | 1994-07-13 | 1996-09-03 | Rpc Waste Management Services, Inc. | Turbulent flow cold-wall reactor |
JP2647804B2 (en) * | 1994-09-30 | 1997-08-27 | 工業技術院長 | Garbage disposal method |
US5461648A (en) * | 1994-10-27 | 1995-10-24 | The United States Of America As Represented By The Secretary Of The Navy | Supercritical water oxidation reactor with a corrosion-resistant lining |
DE19830132A1 (en) * | 1998-07-06 | 2000-01-13 | Ulrich Gerber | Method and device for treating liquid and energy supply device suitable therefor |
US6238568B1 (en) * | 1999-05-06 | 2001-05-29 | General Atomics | Hydrothermal processing with phosphate additive |
US20040195160A1 (en) * | 1999-07-12 | 2004-10-07 | Marine Desalination Systems, L.L.C. | Hydrate-based reduction of fluid inventories and concentration of aqueous and other water-containing products |
DE29913370U1 (en) * | 1999-07-30 | 1999-09-23 | Karlsruhe Forschzent | Plant for the treatment of solids in supercritical water |
US6475396B1 (en) * | 2000-11-14 | 2002-11-05 | Hydroprocessing, Llc | Apparatus and method for applying an oxidant in a hydrothermal oxidation process |
DE20220307U1 (en) * | 2002-03-07 | 2003-04-30 | Karlsruhe Forschzent | Device for treating flowable materials in super-critical water, e.g. for treating effluent, comprises cylindrical reactor with pressure lines for introducing educt and removing product |
DE10217165B4 (en) * | 2002-04-17 | 2004-08-26 | Forschungszentrum Karlsruhe Gmbh | Method and device for the treatment of organic substances |
EP1772202A1 (en) | 2005-10-04 | 2007-04-11 | Paul Scherrer Institut | Method for obtaining methane and/or methane hydrate from biomass |
US7611625B2 (en) * | 2006-04-12 | 2009-11-03 | General Atomics | Water oxidization system |
BE1018840A3 (en) * | 2009-08-18 | 2011-09-06 | Waste Energy Recovered | UNIVERSAL METHOD WHICH MAKES THE CONVERSION OF THE ORGANIC FRACTION IN WASTE TO BIOGAS. |
WO2011154226A1 (en) * | 2010-06-10 | 2011-12-15 | Paul Scherrer Institut | A process and a plant for hydrothermal synthetic natural gas (sng) production from waste biomass |
WO2013005202A1 (en) * | 2011-07-06 | 2013-01-10 | Hollingford Limited | Anaerobic digestion with supercritical water hydrolysis as pretreatment |
WO2013112654A1 (en) * | 2012-01-27 | 2013-08-01 | Ohio University | Integrated precipatative-super critical technology for cost-effective treatment of flowback and produced water from unconventional gas resources |
-
2014
- 2014-03-14 EP EP14159871.4A patent/EP2918549A1/en not_active Withdrawn
-
2015
- 2015-03-02 WO PCT/EP2015/054313 patent/WO2015135785A1/en active Application Filing
- 2015-03-02 CA CA2942430A patent/CA2942430C/en active Active
- 2015-03-02 EP EP15707923.7A patent/EP3116830A1/en not_active Ceased
- 2015-03-02 US US15/126,147 patent/US10472267B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130126442A1 (en) * | 2011-11-17 | 2013-05-23 | General Electric Company | Methods for removing contaminants from water |
Also Published As
Publication number | Publication date |
---|---|
US20170081229A1 (en) | 2017-03-23 |
CA2942430C (en) | 2018-11-13 |
CA2942430A1 (en) | 2015-09-17 |
US10472267B2 (en) | 2019-11-12 |
WO2015135785A1 (en) | 2015-09-17 |
EP2918549A1 (en) | 2015-09-16 |
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