CN107518163A - The method that straw feed pretreatment is carried out using quick lime - Google Patents
The method that straw feed pretreatment is carried out using quick lime Download PDFInfo
- Publication number
- CN107518163A CN107518163A CN201610457715.9A CN201610457715A CN107518163A CN 107518163 A CN107518163 A CN 107518163A CN 201610457715 A CN201610457715 A CN 201610457715A CN 107518163 A CN107518163 A CN 107518163A
- Authority
- CN
- China
- Prior art keywords
- quick lime
- carried out
- straw feed
- ozone
- feed pretreatment
- 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.)
- Withdrawn
Links
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 40
- 239000010902 straw Substances 0.000 title claims abstract description 40
- 239000000292 calcium oxide Substances 0.000 title claims abstract description 30
- 235000012255 calcium oxide Nutrition 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229920005610 lignin Polymers 0.000 claims abstract description 17
- 240000008042 Zea mays Species 0.000 claims abstract description 9
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims abstract description 9
- 239000012153 distilled water Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 9
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 claims abstract description 8
- 235000009973 maize Nutrition 0.000 claims abstract description 8
- 238000005352 clarification Methods 0.000 claims abstract description 6
- 239000008367 deionised water Substances 0.000 claims abstract description 6
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 5
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 5
- 239000011575 calcium Substances 0.000 claims abstract description 5
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 5
- 239000004571 lime Substances 0.000 claims abstract description 5
- 229920002488 Hemicellulose Polymers 0.000 claims description 21
- 239000003153 chemical reaction reagent Substances 0.000 claims description 21
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 16
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims description 16
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 claims description 16
- 239000000243 solution Substances 0.000 claims description 16
- 229920002678 cellulose Polymers 0.000 claims description 11
- 239000001913 cellulose Substances 0.000 claims description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 5
- WVHBHPATSLQXGC-UHFFFAOYSA-N benzene;ethanol Chemical compound CCO.C1=CC=CC=C1 WVHBHPATSLQXGC-UHFFFAOYSA-N 0.000 claims description 5
- STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 claims description 5
- 229940012189 methyl orange Drugs 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000002023 wood Substances 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims 2
- -1 step:(1) Chemical compound 0.000 abstract 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 12
- 239000008103 glucose Substances 0.000 description 12
- 238000005406 washing Methods 0.000 description 9
- 238000002835 absorbance Methods 0.000 description 6
- 238000009835 boiling Methods 0.000 description 6
- 239000012452 mother liquor Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 4
- 101100493713 Caenorhabditis elegans bath-45 gene Proteins 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000006210 lotion Substances 0.000 description 3
- 239000008363 phosphate buffer Substances 0.000 description 3
- 238000002203 pretreatment Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 241000193755 Bacillus cereus Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 108010059892 Cellulase Proteins 0.000 description 1
- 235000019750 Crude protein Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- 235000014680 Saccharomyces cerevisiae Nutrition 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- LPQOADBMXVRBNX-UHFFFAOYSA-N ac1ldcw0 Chemical compound Cl.C1CN(C)CCN1C1=C(F)C=C2C(=O)C(C(O)=O)=CN3CCSC1=C32 LPQOADBMXVRBNX-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229940106157 cellulase Drugs 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 229920001542 oligosaccharide Polymers 0.000 description 1
- 150000002482 oligosaccharides Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000006041 probiotic Substances 0.000 description 1
- 235000018291 probiotics Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
Landscapes
- Fertilizers (AREA)
Abstract
This application discloses a kind of method that straw feed pretreatment is carried out using quick lime, including step：(1), by maize straw crushing material into powdered；(2) stalk after crushing, is added into deionized water, leads to ozone processing；(3) stalk after, ozone is handled mixes with calcium lime powder, adds distilled water, is handled 1~1.5 hour at 90~100 DEG C；(4) solution clarification, is washed with water to, is then dried 15~20 minutes at 50~60 DEG C.In the present invention, for straw feed after quick lime pre-processes, lignin removing rate reaches more than 37.5%.
Description
Technical field
The application is related to a kind of corn straw feedstuff, and straw feed pretreatment is carried out using quick lime more particularly to one kind
Method.
Background technology
Lignocellulosic is most abundant, cheap renewable resource.China produces more than 700,000,000 tons of crop material every year, wherein 2
Hundred million tons by on-site incineration, are not only caused the great wasting of resources, and seriously pollute environment, can also cause disaster hidden-trouble, therefore
How a study hotspot efficiently is become using these lignocellulosics.Pertinent literature is reported that stalk wood fibre
Element has very big application prospect in fields such as bioenergy, biological feedstuff, bio-feritlizers.In terms of bioenergy, it can be with
Raw material of the cereal crops as production second generation alcohol fuel is substituted, can by enzymatic saccharification and the microbe conversion of saccharomyces cerevisiae
To produce ethanol；In terms of biological feedstuff, it can be rich in probiotics and nutrition as the raw material of lactobacillus-fermented, fermenting and producing
The biological feedstuff of material；In biological fertilizer field, the enzymolysis liquid of stalk can also serve as the carbon source of colloid bacillus cereus fermentation,
For improving the content of soluble potassium and phosphorus in soil.
But lignocellulosic elements are more complicated, mainly it is made up of cellulose, hemicellulose and lignin three parts.It is fine
Tie up plain molecule it is regularly arranged, focus on bunchy, formed crystalline texture.Hemicellulose and lignin are filled with outside fibrous framework, it is fine
Dimension element and the combination between hemicellulose or lignin molecule rely primarily on hydrogen bond, except hydrogen bond between hemicellulose and lignin
Outside also there is the combination of chemical bond, these structures cause it to be not easy to form what can be utilized by microorganism by cellulase degradation
Monose or oligosaccharides.Therefore, lignocellulosic is had to be pre-processed before being digested, and enzymolysis efficiency is improved to reach
Purpose.
The content of the invention
It is existing to overcome it is an object of the invention to provide a kind of method that straw feed pretreatment is carried out using quick lime
Deficiency in technology.
To achieve the above object, the present invention provides following technical scheme：
The embodiment of the present application discloses a kind of method that straw feed pretreatment is carried out using quick lime, including step：
(1), by maize straw crushing material into powdered；
(2) stalk after crushing, is added into deionized water, leads to ozone processing；
(3) stalk after, ozone is handled mixes with calcium lime powder, add distilled water, at 90~100 DEG C handle 1~
1.5 hour；
(4) solution clarification, is washed with water to, is then dried 15~20 minutes at 50~60 DEG C.
Preferably,, will in the step (3) in the above-mentioned method that straw feed pretreatment is carried out using quick lime
Stalk after ozone processing is with calcium lime powder according to 7.5~8:1 mixing.
Preferably, it is smelly in the step (2) in the above-mentioned method that straw feed pretreatment is carried out using quick lime
Oxygen concentration is 20~80mg/L, and ozone flow rate is 0.5~2.0L/h, and ozone treatment time is 0.5~2h.
Preferably, in the above-mentioned method that straw feed pretreatment is carried out using quick lime, determined using reducing sugar method
Pretreatment sample hemicellulose level.
Preferably, in the above-mentioned method that straw feed pretreatment is carried out using quick lime, cellulose is respectively adopted and contains
Measure and determine the cellulose, wooden that reagent, content of lignin measure reagent and hemicellulose level determine reagent measuring straw sample
The content loss of element and hemicellulose.
Preferably, in the above-mentioned method that straw feed pretreatment is carried out using quick lime, the content of cellulose is surveyed
Determining reagent includes：20% nital, methyl orange indicator.
Preferably, in the above-mentioned method that straw feed pretreatment is carried out using quick lime, the content of lignin is surveyed
Determine reagent：Ethanol benzene mixed solution (1：2), 72% sulfuric acid, 10% calcium chloride solution.
Preferably, in the above-mentioned method that straw feed pretreatment is carried out using quick lime, the hemicellulose level
Determine reagent：80% calcium nitrate solution, 2mol/L hydrochloric acid, phenolphthalein indicator.
Compared with prior art, the advantage of the invention is that：In the present invention, straw feed is after quick lime pre-processes, wood
Quality clearance reaches more than 37.5%.
Embodiment
The present invention is described further by the following example：According to following embodiments, the present invention may be better understood.
However, as it will be easily appreciated by one skilled in the art that specific material ratio, process conditions and its result described by embodiment are only used
In the explanation present invention, without should be also without limitation on the present invention described in detail in claims.
The main constituents of maize straw are cellulose, hemicellulose and lignin, also containing some other compositions, such as
Crude protein, reduced sugar etc..Pretreatment is one of committed step prepared by biological feedstuff of stalk, and rational preprocess method can change
Become the component content and crystal structure of maize straw raw material, great gain can be provided for follow-up enzymolysis step.
Embodiment 1
The method that straw feed pretreatment is carried out using quick lime
By maize straw crushing material into powdered；Stalk after crushing is added into deionized water, leads to ozone processing, ozone
Concentration is 50mg/L, and ozone flow rate is 0.5L/h, ozone treatment time 1h.Stalk and quick lime after ozone is handled
Powder is according to 8:1 mixing, adds distilled water 20mL, is handled 1 hour at 100 DEG C, solution clarification is washed with water to, then at 60 DEG C
Lower drying 15 minutes.
Using reducing sugar method determination sample hemicellulose level：
The heating of 80% calcium nitrate solution is added in straw sample after the pre-treatment to boil 5 minutes, dilute filtration sample, is used
Water washing sample is multiple, and 2mol/L hydrochloric acid is added after 80 DEG C of drying, boiling water bath 45 minutes, phenolphthalein is dripped, uses hydroxide
Sodium is neutralized to after rosiness with water washing filter residue is distilled, and measures the volume of washing lotion, and measures 540nm absorbances, passes through glucose
Standard curve regression equation calculation hemicellulose level.
Glucose standard curve is determined using DNS reducing sugar methods：1mg/L glucose solution is taken to add 1mL as mother liquor
Glucose standards mother liquor, 1.4mL distilled water, 6mL phosphate buffers and 2mLDNS are added, boiling water bath 5 minutes after being well mixed,
After cooling absorbance is surveyed in 540nm.
Content of cellulose determines reagent：20% nital, methyl orange indicator.
Content of lignin determines reagent：Ethanol benzene mixed solution (1：2), 72% sulfuric acid, 10% calcium chloride solution.
Hemicellulose level determines reagent：80% calcium nitrate solution, 2mol/L hydrochloric acid, phenolphthalein indicator.
After the pretreatment of quick lime, lignin removing rate reaches 37.5%.
Embodiment 2
The method that straw feed pretreatment is carried out using quick lime
By maize straw crushing material into powdered；Stalk after crushing is added into deionized water, leads to ozone processing, ozone
Concentration is 60mg/L, and ozone flow rate is 1.5L/h, ozone treatment time 1.5h.Stalk and raw stone after ozone is handled
Ashes is according to 8:1 mixing, adds distilled water 20mL, is handled 1 hour at 100 DEG C, solution clarification is washed with water to, then 50
Dried 20 minutes at DEG C.
Using reducing sugar method determination sample hemicellulose level：
The heating of 80% calcium nitrate solution is added in straw sample after the pre-treatment to boil 5 minutes, dilute filtration sample, is used
Water washing sample is multiple, and 2mol/L hydrochloric acid is added after 80 DEG C of drying, boiling water bath 45 minutes, phenolphthalein is dripped, uses hydroxide
Sodium is neutralized to after rosiness with water washing filter residue is distilled, and measures the volume of washing lotion, and measures 540nm absorbances, passes through glucose
Standard curve regression equation calculation hemicellulose level.
Glucose standard curve is determined using DNS reducing sugar methods：1mg/L glucose solution is taken to add 1mL as mother liquor
Glucose standards mother liquor, 1.4mL distilled water, 6mL phosphate buffers and 2mLDNS are added, boiling water bath 5 minutes after being well mixed,
After cooling absorbance is surveyed in 540nm.
Content of cellulose determines reagent：20% nital, methyl orange indicator.
Content of lignin determines reagent：Ethanol benzene mixed solution (1：2), 72% sulfuric acid, 10% calcium chloride solution.
Hemicellulose level determines reagent：80% calcium nitrate solution, 2mol/L hydrochloric acid, phenolphthalein indicator.
After the pretreatment of quick lime, lignin removing rate reaches 41.2%.
Embodiment 3
The method that straw feed pretreatment is carried out using quick lime
By maize straw crushing material into powdered；Stalk after crushing is added into deionized water, leads to ozone processing, ozone
Concentration is 80mg/L, and ozone flow rate is 2.0L/h, ozone treatment time 0.5h.Stalk and raw stone after ozone is handled
Ashes is according to 7.5:1 mixing, adds distilled water 20mL, is handled 1.3 hours at 95 DEG C, is washed with water to solution clarification, then
Dried 20 minutes at 50 DEG C.
Using reducing sugar method determination sample hemicellulose level：
The heating of 80% calcium nitrate solution is added in straw sample after the pre-treatment to boil 5 minutes, dilute filtration sample, is used
Water washing sample is multiple, and 2mol/L hydrochloric acid is added after 80 DEG C of drying, boiling water bath 45 minutes, phenolphthalein is dripped, uses hydroxide
Sodium is neutralized to after rosiness with water washing filter residue is distilled, and measures the volume of washing lotion, and measures 540nm absorbances, passes through glucose
Standard curve regression equation calculation hemicellulose level.
Glucose standard curve is determined using DNS reducing sugar methods：1mg/L glucose solution is taken to add 1mL as mother liquor
Glucose standards mother liquor, 1.4mL distilled water, 6mL phosphate buffers and 2mLDNS are added, boiling water bath 5 minutes after being well mixed,
After cooling absorbance is surveyed in 540nm.
Content of cellulose determines reagent：20% nital, methyl orange indicator.
Content of lignin determines reagent：Ethanol benzene mixed solution (1：2), 72% sulfuric acid, 10% calcium chloride solution.
Hemicellulose level determines reagent：80% calcium nitrate solution, 2mol/L hydrochloric acid, phenolphthalein indicator.
After the pretreatment of quick lime, lignin removing rate reaches 38.7%.
Finally, it is to be noted that, term " comprising ", "comprising" or its any other variant be intended to it is non-exclusive
Property includes, so that process, method, article or equipment including a series of elements not only include those key elements, and
Also include the other element that is not expressly set out, or also include for this process, method, article or equipment inherently
Key element.
Claims (8)
- A kind of 1. method that straw feed pretreatment is carried out using quick lime, it is characterised in that including step：(1), by maize straw crushing material into powdered；(2) stalk after crushing, is added into deionized water, leads to ozone processing；(3) stalk after, ozone is handled is mixed with calcium lime powder, adds distilled water, and it is small that 1~1.5 is handled at 90~100 DEG C When；(4) solution clarification, is washed with water to, is then dried 15~20 minutes at 50~60 DEG C.
- 2. the method according to claim 1 that straw feed pretreatment is carried out using quick lime, it is characterised in that：The step Suddenly in (3), the stalk after ozone is handled is with calcium lime powder according to 7.5~8:1 mixing.
- 3. the method according to claim 1 that straw feed pretreatment is carried out using quick lime, it is characterised in that：The step Suddenly in (2), ozone concentration is 20~80mg/L, and ozone flow rate is 0.5~2.0L/h, and ozone treatment time is 0.5~2h.
- 4. the method according to claim 1 that straw feed pretreatment is carried out using quick lime, it is characterised in that：Using also Raw sugar method determines pretreatment sample hemicellulose level.
- 5. the method according to claim 1 that straw feed pretreatment is carried out using quick lime, it is characterised in that：Adopt respectively With the fibre of content of cellulose measure reagent, content of lignin measure reagent and hemicellulose level measure reagent measuring straw sample The content loss of dimension element, lignin and hemicellulose.
- 6. the method according to claim 5 that straw feed pretreatment is carried out using quick lime, it is characterised in that：The fibre Dimension cellulose content measure reagent includes：20% nital, methyl orange indicator.
- 7. the method according to claim 5 that straw feed pretreatment is carried out using quick lime, it is characterised in that：The wood Lignin content determines reagent：Ethanol benzene mixed solution (1：2), 72% sulfuric acid, 10% calcium chloride solution.
- 8. the method according to claim 5 that straw feed pretreatment is carried out using quick lime, it is characterised in that：Described half Content of cellulose determines reagent：80% calcium nitrate solution, 2mol/L hydrochloric acid, phenolphthalein indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610457715.9A CN107518163A (en) | 2016-06-22 | 2016-06-22 | The method that straw feed pretreatment is carried out using quick lime |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610457715.9A CN107518163A (en) | 2016-06-22 | 2016-06-22 | The method that straw feed pretreatment is carried out using quick lime |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107518163A true CN107518163A (en) | 2017-12-29 |
Family
ID=60734138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610457715.9A Withdrawn CN107518163A (en) | 2016-06-22 | 2016-06-22 | The method that straw feed pretreatment is carried out using quick lime |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107518163A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112094101A (en) * | 2020-08-31 | 2020-12-18 | 安徽康健新型建材有限公司 | Formula and production method of urban sludge and coal gangue hollow brick |
-
2016
- 2016-06-22 CN CN201610457715.9A patent/CN107518163A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112094101A (en) * | 2020-08-31 | 2020-12-18 | 安徽康健新型建材有限公司 | Formula and production method of urban sludge and coal gangue hollow brick |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Sun et al. | Dilute acid pretreatment of rye straw and bermudagrass for ethanol production | |
| Chandel et al. | Sugarcane bagasse and leaves: foreseeable biomass of biofuel and bio‐products | |
| do Nascimento Santos et al. | Potential for biofuels from the biomass of prickly pear cladodes: Challenges for bioethanol and biogas production in dry areas | |
| Hernández-Salas et al. | Comparative hydrolysis and fermentation of sugarcane and agave bagasse | |
| Camassola et al. | Biological pretreatment of sugar cane bagasse for the production of cellulases and xylanases by Penicillium echinulatum | |
| Lemons e Silva et al. | Potential of giant reed (Arundo donax L.) for second generation ethanol production | |
| CN102277391B (en) | Comprehensive utilization method of straw raw materials | |
| Ye et al. | Ethanol production from mixtures of sugarcane bagasse and Dioscorea composita extracted residue with high solid loading | |
| Fernandes et al. | Comparative study on hydrolysis and bioethanol production from cardoon and rockrose pretreated by dilute acid hydrolysis | |
| Nozari et al. | Bioenergy production from sweet sorghum stalks via a biorefinery perspective | |
| US10407700B2 (en) | Surfactant-improved simultaneous saccharification and co-fermentation method for lignocellulose | |
| CN101235392A (en) | Cellulose fuel ethanol and preparation method thereof | |
| Su et al. | Cellulase with high β-glucosidase activity by Penicillium oxalicum under solid state fermentation and its use in hydrolysis of cassava residue | |
| CN104404108A (en) | Pre-treating method for improving sugar conversion rate of lignocellulose | |
| CN103966265A (en) | Method for preparing biogas by pretreating manioc waste with NaOH through anaerobic fermentation | |
| CN106232824A (en) | Primary and lignocellulose sugar integration transformation is used to process Caulis Sacchari sinensis and the method for sugar grass | |
| Zaafouri et al. | Potential of Tunisian Alfa (Stipa tenassicima) fibers for energy recovery to 2G bioethanol: Study of pretreatment, enzymatic saccharification and fermentation | |
| CN102876735B (en) | Method for producing acetone, ethanol and butanol by taking straw as raw material | |
| WO2017029410A1 (en) | Process of lignocellulosic biomass conversion with addition of raw sugar juice | |
| Ikeda et al. | Evaluation of pretreatment effect for spent mushroom substrate on methane production | |
| CN105838743B (en) | A method of by batch feeding half with saccharification thick mash fermentation cellulosic ethanol | |
| Bakker et al. | Biofuel production from acid-impregnated willow and switchgrass | |
| CN107518163A (en) | The method that straw feed pretreatment is carried out using quick lime | |
| Vintila et al. | Simultaneous hydrolysis and fermentation of lignocellulose versus separated hydrolysis and fermentation for ethanol production | |
| CN107518164A (en) | The method that straw feed pretreatment is carried out using sodium hydroxide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171229 |
|
| WW01 | Invention patent application withdrawn after publication |