CN106701836A - Pretreatment method for preparation of biomass fuels by comprehensive utilization of all components of plant straw - Google Patents
Pretreatment method for preparation of biomass fuels by comprehensive utilization of all components of plant straw Download PDFInfo
- Publication number
- CN106701836A CN106701836A CN201611107963.7A CN201611107963A CN106701836A CN 106701836 A CN106701836 A CN 106701836A CN 201611107963 A CN201611107963 A CN 201611107963A CN 106701836 A CN106701836 A CN 106701836A
- Authority
- CN
- China
- Prior art keywords
- enzymolysis
- treatment
- extrusion
- fermentation
- stalk
- 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.)
- Pending
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
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
- C10L5/445—Agricultural waste, e.g. corn crops, grass clippings, nut shells or oil pressing residues
-
- 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
- C12P5/00—Preparation of hydrocarbons or halogenated hydrocarbons
- C12P5/02—Preparation of hydrocarbons or halogenated hydrocarbons acyclic
- C12P5/023—Methane
-
- 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
-
- 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
- C12P2203/00—Fermentation products obtained from optionally pretreated or hydrolyzed cellulosic or lignocellulosic material as the carbon source
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (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)
- Agronomy & Crop Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
The invention discloses a pretreatment method for preparation of biomass fuels by comprehensive utilization of all components of plant straw, and relates to the field of comprehensive utilization of all components of plant straw, wherein the pretreatment method comprises the steps: plant straw after being cut into sections is successively subjected to washing treatment for two times before and after steam explosion, steam explosion treatment, extrusion treatment, crushing treatment, pre-enzymolysis treatment, cracking treatment, and enzymolysis treatment, and finally a pre-product for preparing the biomass fuels is obtained; a straw washing liquid obtained after washing treatment and an extrusion liquid obtained after extrusion treatment are used for producing marsh gas, and a liquid, gas and solid biomass fuels can be obtained after the pre-product is treated. The method realizes separation and high-valued complete utilization of the all components of the plant straw, namely hemicellulose, cellulose, lignin and a small amount of components, can achieve no pollutant emission, and has the advantages of easy industrialization operation, good economic benefits, and remarkable comprehensive social benefits.
Description
Technical field
The present invention relates to the preprocess method that a kind of straw full constituent comprehensive utilization prepares biomass fuel, specifically
Say, each component is comprehensively utilized after being related to straw to pre-process, and prepares alcohol fuel, bio-natural gas, high heating value solid wooden
The method of plain fuel.
Background technology
The available biomass resource of China enriches, and only agricultural crop straw annual output is up to as many as 600,000,000 tons, crops life
Long period is short, abundance, thus including the straw including crops be it is a kind of it is truly inexhaustible can be again
Raw biomass resource, however, plant is during evolution, it has been internally formed very strong microorganism and has resisted mechanism, such as directly
Biomass energy is made, not only utilization rate is low, and also results in the wasting of resources, consequently only that by pretreatment, enzyme could be improved
Solution efficiency, and utilized by microorganism, it is made biomass fuel.
The biology that straw is made up of cellulose, hemicellulose and the big component of lignin three and other a small amount of components
Matter.Wherein, hemicellulose is kind of a heteroglycan material, by two or more monose or alditol acidic group constitute it is compound many containing side chain
Sugar, the degree of polymerization is lower than cellulose, only has hydrogen bond to be connected and physical mixed with cellulosic molecule, is also to constitute without chemical bonds
The main component of cell membrane, can be utilized by microorganism after degraded and produce various fermented products, such as biogas, grease, butanol, ethanol
Deng while can also produce the products such as furfural, xylo-oligosaccharide；Cellulose is the straight-chain macromolecule chemical combination being made up of glucosyl group
Thing, is the main component for constituting cell membrane, be degraded into after glucose can microbial fermentation into product, such as ethanol, butanol, lactic acid,
Grease etc.；Lignin is unique aromatic polymer compound in plant in addition to a small number of tannin (polyphenol compound) materials,
There is the network-like molecule with three-dimensional space of branch, be unbodied, there is chemical bond to be connected with hemicellulose, lignin structure
Complexity, unstable chemcial property has stronger absorbability, specific surface area 180m to chemicals and gas2/ g, respond
It is very strong.Lignin is mainly filled between cell and in cell membrane between microfibre, plant is had rigidity, can be used to give birth to
Resin, mulch film, adhesive, rubber additive and medicinal slow release agent etc. are produced, also can be directly as high heating value biomass solid fuel
Use；A small amount of component be inorganic salts, sugar, vegetable soda, cyclitol, resin, fat, tannin, pigment, and polysaccharose substance such as
Colloid, plant mucilage, starch, pectic substance, many lactose etc..
At present, utilization of this area to straw raw material, most of study limitation is target in its one-component is utilized,
Remaining component low value is by the use of even as offal treatment, the resources advantage without performance each component, it is difficult to produce economic benefit
Severe contamination is even caused, such as paper industry only utilizes cellulosic component, and its production technology is mesh to obtain high quality fiber element
Mark, in process of production hemicellulose and lignin be subject to heavy damage, not only cannot higher value application, and cause environment dirty
Dye.Straw raw material is for example used for by biogas fermentation by extensive concern, although stalk can be completely used for biogas fermentation,
But still there is problems with：One is slow microbial degradation speed, and the aerogenesis cycle is long, inefficiency；Two is that stalk floats,
Specific surface area is contacted with microorganism small, reaction speed is slow, meanwhile, floating raw material crust prevents biogas effusion；Three is to adopt mostly
Fermented with traditional ground pit, it is impossible to control fermentation temperature and gas production rate, occur that summer aerogenesis is more, winter aerogenesis is few or does not produce
Gas phenomenon.
In order to solve the problems, such as to carry out biogas fermentation using stalk, those skilled in the art develop various straw hairs
" continuous feeding and discharging biogas disclosed in the bioreactor and production technology of ferment biogas, such as Application No. 200510016826.8
Dry fermentation device and increasing and preserving method "；" one kind is using the production of stalk dry fermentation disclosed in Application No. 200810141177.8
Technique of biogas " etc.；But these techniques are all integrally to carry out biogas fermentation with straw raw material, rather than according to each component
Heterogeneity be utilized respectively, cause that efficiency is low, utilization rate is low, waste material cannot be recycled, and produce the problem of secondary pollution.
Therefore, the comprehensive utilization of full constituent is realized in the urgent need to improving straw preprocessing method of raw materials in this area,
So as to can solve in existing process cannot whole utilization straw raw material, cause asking for low in economic efficiency and secondary pollution
Topic；Prior art can be solved again in the utilization of straw raw material full constituent, use organic solvent and chemicals, the entirety brought
Input is big, solvent reclaimer complex process the problems such as.It can be seen that, pretreating effect directly determines straw by enzyme and micro- life
Thing is converted into the quality and efficiency of biomass fuel, and the biomass fuel of general high-quality can be substituted directly increasingly rare
Fossil fuel.
The method of stalk pretreatment, is broadly divided into Physical (grinding, crushing), blasting procedure (steam blasting, overcritical two
Carbonoxide explosion, ammonia process explosion etc.), acidic treatment (including diluted acid, concentrated acid, there is sulfuric acid, hydrochloric acid, sulfurous acid and organic acid), alkali
Method (including NaOH, alkaline hydrogen peroxide, ammoniacal liquor), organic solvent method (methyl alcohol, ethanol, butanol, benzene etc.), biological treatment
Deng.And it is main based on the methods such as acid treatment, alkali process, steam blasting at present, it generally has the characteristic that technique is convenient, effect
Fruit is notable, but these methods also respectively have deficiency, for example, acid treatment is often required that compared with high acid concentration and reaction temperature, increased
The cost of reactor, residue chemistry additive separates difficulty with raw material, and the friendly to environment is poor, is easily produced in preprocessing process
Toxigenicity accessory substance, can produce inhibitory action etc. to follow-up enzymatic hydrolysis and fermentation；Alkaline process is pre-processed, it is necessary to add alkali preparation, is not only increased
Add cost, meanwhile, produced alkali wasteliquid is difficult to be processed, and environmental pressure is big；Steam explosion method, typically there is sour quick-fried, alkali
Quick-fried, neutral steam explosion, neutral steam explosion is except using the addition without other chemical substances in addition to steam, accessory substance yield is smaller.Steam explosion energy
The granular size of material is enough reduced, it is become loose porous, accelerate enzymolysis process.But straw directly uses steam blasting
Pretreatment, can produce more enzymatic hydrolysis and fermentation mortifier, and sugared yield is relatively low after material enzymolysis.
Disclosed CN 1424459A and CN1680413A patents, using the higher boiling of the organic solvents such as 1.4- butanediols, easily
The advantages of recycle and reuse, lignin is dissolved in solvent from disengaging on cellulose by heating pressurization, realize lignin
Separated with cellulose, but 1.4- butanediol prices are higher, and recovery of circulatory system is complicated, thus there is high cost, it is difficult to realize
The technical problem of industrialized production.
Disclosed CN 1806945A patents, after microwave radiation technology ionic liquid pretreatment steam exploded wheat straw, 48-72h cellulase hydrolysis
Rate can reach 100%, but because the synthesis technique of ionic liquid is complicated, synthesize relatively costly, equally exist high cost, it is difficult to realize
The technical problem of industrialized production.
Disclosed CN 102051383A patent documents provide a kind of steam explosion treatment lignocellulosic material coproduction biogas, fibre
The method of dimension element and lignin, although separated to its component, but the low-molecular-weight hydrotrope volatilization during steam explosion
Loss, concurrent heat producing chemical change, produces enzymatic hydrolysis and fermentation mortifier, and sugar yield is relatively low after causing material to digest, and due to fibre
Dimension element is separated with lignin and has used alkaline solution to be processed, thus when being taken to alkaline concentration, alkali Extracting temperature, alkali carries
Between require it is higher, it is also higher to equipment requirement, and produce alkaline used water difficult to degradate, thus the method has high cost, lignin
Preparation method is complicated, the technical problem such as wastewater treatment difficulty is big, is unfavorable for promotion and application.
Disclosed CN101148830A patents provide a kind of steam-explosion using lignocellulosic material-stalk-micro-
Ripple couples sweet oil treatment process, although its component is separated, but the invention used for stalk treatment it is organic
Solvent glycerin, increased input cost, and the recovery method of glycerine is also more complicated, increased the requirement of reclaimer, unfavorable
In promotion and application.
In sum, existing straw full constituent comprehensive utilization prepares the preprocess method of biomass fuel, still has
Further improvement is treated, the biochemical characteristic of each component is particularly taken into full account, it is efficient to be converted into liquid, gas, solid life
Biomass fuel, and whole production process is not added with chemicals, it is environment-friendly.
The content of the invention
The invention provides the preprocess method that a kind of straw full constituent comprehensive utilization prepares biomass fuel, entirely
Technology path is capable of achieving the comprehensive utilization of straw raw material full constituent without using chemicals, efficient to be converted into liquid, gas
Body, solid biomass fuel, production process is pollution-free, low energy consumption, substantially increase straw raw material comprehensive utilization ratio and
Benefit.
It should be noted that the full constituent of straw described in the present invention include cellulose, hemicellulose, lignin and
Other a small amount of components.
Wherein, a small amount of component include water-soluble inorganic salt, sugar, vegetable soda, cyclitol, resin, fat, tannin,
Pigment, and polysaccharose substance, such as colloid, plant mucilage, starch, pectic substance, many lactose.
To realize the purpose of the present invention, the present invention provides a kind of straw full constituent comprehensive utilization and prepares biomass fuel
Preprocess method, including：
The carrying out washing treatment including low-molecular weight water-soluble material will be removed by the straw of segment, obtains stalk
Cleaning solution and the stalk material containing a small amount of low-molecular weight water-soluble material；
Steam explosion treatment is carried out by by the stalk material containing a small amount of low-molecular weight water-soluble material, steam explosion is produced in processing
Raw enzymatic hydrolysis and fermentation mortifier is reduced, and obtains the gas-explosive material of enzymatic hydrolysis and fermentation inhibitor contents reduction；
The gas-explosive material that the enzymatic hydrolysis and fermentation inhibitor contents are reduced is diluted and extrusion process, in extruded material
Enzymatic hydrolysis and fermentation mortifier, has been extruded the pressing materials and extrusion liquid of enzymatic hydrolysis and fermentation mortifier；
After crushing the pressing materials, pre- enzymolysis processing is carried out, obtain pre- enzymolysis material；
Cracking treatment is carried out to the enzymolysis material, the pre- enzymolysis material for further being crushed；
After by further broken pre- enzymolysis material enzymolysis, obtain can be used for the pre-product for preparing biomass fuel.
Wherein, stalk of the present invention include but is not limited to wheat straw, straw, maize straw, reed, bagasse, sorghum stalk,
One or more in the biomass energy straw such as peanut seedling.
Wherein, it is described to carry out carrying out washing treatment also including the removal to silt by the straw of segment.
Wherein, the segment treatment is that straw is cut into 10-50mm stalk sections long, and its qualification rate reaches 70-90%,
Be conducive to the homogeneity of follow-up steam explosion treatment.
Wherein, the carrying out washing treatment is that the recirculated water that temperature in use is 25-100 DEG C is washed to straw.
Preferably, the temperature of the recirculated water is 40-60 DEG C.
Wherein, described when being washed to straw with recirculated water, the content of straw is 3-10%.
Wherein, the low molecular weight substance can occur thermal chemical reaction during steam explosion, produce enzymolysis and fermentation inhibitory
The material of thing.
Wherein, the enzymolysis and fermentation inhibitor are the materials for suppressing enzymolysis in enzymolysis process, and are pressed down in fermentation process
Make the material of fermentation.
Wherein, stalk cleaning solution can be used for the preparation of biogas.
Wherein, before being prepared by stalk cleaning solution into biogas, first stalk cleaning solution is circulated, makes the dissolved matter in cleaning solution
COD reaches 2000-3500mg/l, and cleaning solution then is entered into Anaerobic Treatment, obtains biogas.
Wherein, the operating procedure of Anaerobic Treatment uses the conventional anaerobic treatment method of the art with operating condition.
Wherein, the biogas that stalk cleaning solution is produced can be used for boiler combustion and generate electricity and production steam, be the technology of the present invention
Operation provides electric energy and steam, it is also possible to be used to prepare bio-natural gas after purified.
Wherein, the steam explosion treatment includes：
Stalk material containing a small amount of low-molecular weight water-soluble material is carried out into dehydration and de-watering extrusion treatment, stalk is removed
The most of moisture of material, makes the stalk material after dehydration tear and be compacted, and obtains de-watering extrusion material；
Steam explosion is carried out during de-watering extrusion material is sent into steam-explosion jar, gas-explosive material is obtained.
Wherein, stalk mass dryness fraction is 10-18% after the dewater treatment.
Wherein, stalk mass dryness fraction is 40-55% after the de-watering extrusion treatment.
Preferably, the equipment used by the stalk material extrusion dehydration is screw extruder.
Particularly, the bulk density that de-watering extrusion material is sent into after steam-explosion jar is reached into 70-150kg/m3。
The carrying out washing treatment for being first removed water-soluble low molecular weight to material before steam explosion due to the application just causes thing
Material exposes more spaces so that stalk specific surface area increases, and the close of material unit volume can be just reached after de-watering extrusion
Degree increase, therefore the application can make the bulk density of material after feeding steam-explosion jar reach 70kg/m3More than, even up to
150kg/m3。
Wherein, the steam explosion temperature when steam explosion is processed is 160-190 DEG C, and steam pressure is 0.6-1.2Mpa, during dimension pressure
Between be 10-30min.
Particularly, after steam explosion treatment, gas-explosive material pH value is 3.5-4.5, and the COD value of the liquid in gas-explosive material is
40000-120000mg/l, the content of reduced sugar is 1-4%.
The time is pressed present invention employs lower temperature, compared with low vapor pressure and dimension more long so that in steam explosion processing procedure
Quick-fried broken more thorough, the hemicellulose degradation rate raising of material.
Wherein, the extrusion process includes：
After by gas-explosive material pressure release, treatment is diluted, makes to include that enzymatic hydrolysis and fermentation mortifier is soluble in water, obtain dilution
Material；
Diluted material is carried out into extrusion process again, makes to include the vapour in the lysate of enzymatic hydrolysis and fermentation mortifier and diluted material
Explosive material is separated, and has been extruded the pressing materials and extrusion liquid of enzymatic hydrolysis and fermentation mortifier.
Wherein, described is to spurt into quick pressure releasing gas-explosive material to receive storehouse by gas-explosive material pressure release, makes gas-explosive material
In atmospheric pressure state.The steam produced during pressure release is recovered, heat cycles water, the carrying out washing treatment for making it be used for stalk, realizes money
The recycling in source, reduces power consumption.
Wherein, the mass dryness fraction of the diluted material is 10-15%.
Wherein, the pressing materials mass dryness fraction is 35-55%.
Wherein, the equipment used by the extrusion process is screw extruder.
Wherein, the COD value of the extrusion liquid is 6000-11000mg/L.
Particularly, the main component in the extrusion liquid is pentose.
Wherein, the pentose after hemicellulose degradation by obtaining.
Particularly, the extrusion liquid can be used for the products such as production biogas, grease, butanol, ethanol etc., furfural, xylo-oligosaccharide
Product.
Especially, the biogas that the extrusion liquid production is obtained can be used for boiler combustion and generate electricity and production steam, so as to be this
Inventive technique provides required electric energy and heat energy, reducing energy consumption.
Especially, the biogas that extrusion liquid production is obtained also can it is purified after prepare bio-natural gas.
Wherein, the pre- enzymolysis processing includes the step of to cellulase is added in broken gas-explosive material, making extrudate
Cellulose in material is degraded to glucose.
Especially, the addition of the pre- enzymolysis cellulase uses the 50-70% of total amount for cellulase.
Preferably, the cellulase is commercially available Novi's letter cellulase.
Wherein, the cellulase is the 1%-2.5% of gas-explosive material over dry gross weight using total amount.
Particularly, the pH value of the pre- enzymolysis processing is 4.0-5.5, and hydrolysis temperature is 40-55 DEG C, dry matter content 10-
25%, enzymolysis time is 5-24h.
Wherein, it is described that pre- enzymolysis before material carries out cracking treatment is also carried out：
Screening Treatment to pre- enzymolysis material, to remove the abiotic matter impurity in pre- enzymolysis material.
Wherein, it is described cracking treatment is carried out to pre- enzymolysis material to include：
To not include that the pre- enzymolysis material of abiotic matter impurity carries out high shear defibrination process, what is further crushed is pre-
Enzymolysis material.
Wherein, the abiotic matter impurity refers to the abiotic matter impurity such as plastic packing article, metal bundle.
Wherein, the high shear defibrination process are the pre- enzymes for using high shear force fiberizer to not including abiotic matter impurity
Solution material is crushed, and improves enzymolysis efficiency and cellulose sugar rate.
Wherein, the abrasive material linear velocity of the high shear force fiberizer is 22-140m/s, and shearing abrasive disk space is 0.01-
1mm, roll flute shape is closing shearing-type.
Preferably, the high shear force fiberizer includes but is not limited to single disc refiner, double plate mill, cone mill, cylinder mill, ladder
Formula discongests mill, toothed disc type and discongests mill.
Wherein, screening installation used in the present invention, including but not limited to vibratory sieve, pressurized screen, selectifier, drum sieve,
The screening installations such as screen centrifuge.
Wherein, the step of enzymolysis processing is included to cellulase is added in the pre- enzymolysis material after crushing.
Wherein, the addition of cellulase is remaining cellulase, and as cellulase uses the 30-50% of total amount.
Wherein, the enzymolysis time is 48-72h.Other enzymatic hydrolysis conditions are consistent with pre- enzymatic hydrolysis condition.
Wherein, the pre-product can be used for preparing liquid biomass fuels, gaseous bio matter fuel and solid biomass
Fuel.
Wherein, the liquid biomass fuels can be ethanol or other liquid biomass fuels.
Wherein, the gaseous bio matter fuel can be the biomass gas fuel after biogas or purification.
Wherein, the solid biomass fuel is the solid biomass fuel with lignin as main component.
Beneficial effects of the present invention：
1st, straw is pre-processed using the inventive method, it is not necessary to add any chemicals, also, stalk is washed
Wash liquid and reach 0.5-0.9 with the mixed BOD/COD ratios of gas-explosive material extrusion liquid, it is seen that its bio-degradable is preferable.
2nd, the inventive method carries out warm water washing before steam explosion is carried out to stalk to stalk, can effectively remove various miscellaneous
Matter, it is to avoid small molecular weight material volatilization contaminated air during steam explosion, prevents low molecular weight substance from producing enzymatic hydrolysis and fermentation to suppress
Thing influences enzymatic hydrolysis and fermentation, meanwhile, the specific surface area of stalk can be increased, steam explosion treatment effect is improved, steam saving reduces energy
Consumption.
3rd, biogas is prepared using the inventive method, solve the presence of straw direct fermentation biogas efficiency is low, the cycle
Long, aerogenesis is unstable, and sulfur content is high in biogas, the low problem of methane content, experiments verify that, hair can be made by the inventive method
More than 10 times of ferment cycle time, the sulfur content in biogas is low, and methane content is more than 60%.
4th, the present invention is extruded the straw after washing, stalk is dehydrated and is strongly extruded and rubbing effect
And tear, water-soluble substances is easier dissolving extrusion, and water and steam is risen to the stalk infiltration for tearing and profit more thoroughly, improves
Steam explosion effect；Additionally, through the stalk after strength extruding tear, volume weight is improved, and increased the charging volume density of steam-explosion jar,
Can significantly steam saving consumption.Material after steam explosion is extruded, is made material dewatering and is strongly extruded and crumple work
With, material is further crushed, the enzymatic hydrolysis and fermentation mortifier inside more extruded materials, and increase the specific surface area of material,
Improve enzymolysis speed and efficiency.
5th, the present invention carries out defibrination using high shear force fiberizer to the material after pre- enzymolysis, can discharge lignin and divide greatly
The enzyme preparation of son absorption, while the exposed macromolecular lignin structure of tear, makes its degraded so as to reduce the absorption to enzyme preparation
And interference, improve follow-up enzymolysis efficiency；In addition high shear force defibrination can abolish cell S1Layer, is conducive to S2Layer it is abundant exposed,
Beneficial to the degraded of cellulose；Also tearable cellulose crystallite area, makes the specific surface area increase of pre- enzymolysis material, further improves enzyme
Solution efficiency and cellulose sugar rate.
6th, in sum, the pretreatment for being carried out to straw using the inventive method, solves straw raw material group
Separate problem, realizes hemicellulose, cellulose, lignin, the high efficiency of a small amount of component, low cost, pollution-free separation.
7th, using material extrusion liquid after stalk cleaning solution, the steam explosion containing hemicellulose degradation thing of the inventive method acquisition,
Biochemical is fabulous, and biogas, Anaerobic Treatment 12h are produced by anaerobic fermentation, and COD degradation rate has reached 65%, and gas production is big, effect
Rate is high, gas output is stable, further purification can prepare bio-natural gas product.
8th, using gas-explosive material obtained in the present invention, cellulose can be digested and hemicellulose produces saccharified liquid, produced various
Fermented product, such as ethanol, butanol, lactic acid, grease product.
9th, after by the prepared pre-product fermentation of the present invention, liquid fuel ethanol and residues are isolated, fermentation is remaining
Thing main component be lignin, through dehydration, extruding and dry, you can obtain lignin finished product, other in residues into
It is allocated as producing biogas by anaerobic fermentation for useless mash, further purification can prepares bio-natural gas product.Wherein, lignin is produced
The calorific value of product reaches 5600-6500kcal/kg, can be used as high heating value biomass solid fuel；Or various chemical products and
The preparation of material provides the raw material of high-quality.
10th, visible, the inventive method realizes straw whole component, i.e. hemicelluloses, cellulose, lignin, few
The separation of component and high-valued complete utilization are measured, non-pollutant discharge can be reached, it is easy to which industrialization is operated, economic benefit is good,
Comprehensive social benefit is notable.
Specific embodiment
In order to be more clearly understood that the above objects, features and advantages of the present invention, below by specific embodiment
The present invention is further described in detail.
Many concrete details are elaborated in the following description in order to fully understand the present invention, but, the present invention is also
Can be different from other modes described here using other to implement, therefore, the present invention is not limited to following public specific
The limitation of embodiment.
It is as follows that straw full constituent comprehensive utilization prepares biomass fuel material pre-treatment process flow：
Below by " the straw that profit bright new energy biotechnology center (limited partnership) in Beijing is built in Lianyungang of Jiangsu
Full constituent comprehensive utilization prepares biomass fuel " pilot production line is (hereinafter referred to as：The bright new energy Lianyun Harbour scale up test of Beijing profit
Line) embodiment, technical scheme is described further.
Embodiment 1：
The bright new energy Lianyun Harbour pilot production line of Beijing profit, processes wheat straw waste production capacity 500kg/h, and raw material is received for local
The wheat straw of purchase, product is alcohol fuel, biogas, high heating value solid lignin fuel；
Produced by the following technological process of the present invention：
1st, segment
Outsourcing wheat straw, after measured, its water content is 20-40%, using knife roller type chaffcutter, wheat straw is cut into 10-
50mm is long, qualification rate 70-90%.
2nd, wash
By the wheat straw after segment by belt conveyor, drum-type waterpower grass washing machine is sent into, while adding circulating hot water, water temperature
40-60 DEG C, wheat straw content is 3-10%, the wash time 5-20S of gross weight in grass washing machine, and wheat straw is carried out using circulating hot water
Circulation washing, obtains stalk cleaning solution and stalk material that COD reaches 2500-3000mg/l.
Stalk of the present invention after to segment first carries out warm water's washing, to remove the silt in stalk, water-soluble nothing
Machine salt, sugar, vegetable soda, cyclitol, resin, fat, tannin, pigment, and polysaccharose substance, such as colloid, plant mucilage, shallow lake
Powder, pectic substance, many lactose etc., different according to stalk species according to the experiment statisticses of inventor, the quality for washing remover accounts for stalk
The 3-20% of total amount；Due to eliminate 3-20% comprising the less impurity of molecular weight, therefore not only make straw plants structure sudden and violent
Expose more spaces, specific surface area increase；The small molecular weight material being dissolved in stalk cleaning solution can also be prevented effectively to exist
Steam explosion spurts middle volatilization loss, pollution air and generation thermal chemical reaction, produces enzymolysis and fermentation inhibitor, influences follow-up enzyme
The problems such as hydrolysis and fermentation.Additionally, washing also helps steam and water enters inside organization structure of the plant, it is distributed material overall moisture
Equilibrium, improves follow-up steam explosion effect；Reduce the material total amount for entering steam-explosion jar material, steam saving reduces power consumption；Make washing
The cellulose of unit volume material, hemicellulose, lignin component content increase afterwards, improve utilization rate of equipment and installations；Enter material
Temperature during steam-explosion jar is improved, and further steam saving reduces power consumption.
3rd, it is dehydrated, extrudes
Wheat straw after washing sends into inclined helix dehydrator, dehydration mass dryness fraction 15-18%, Ran Houzai by short circuit conveying worm
Into screw extruder, extrusion wheat straw mass dryness fraction 45-55%.
4th, steam explosion
Wheat straw waste after extrusion, steam-explosion jar, the bulk density control after stalk tinning are loaded by screw feeding conveyer
System is in 80-100kg/m3；Make wheat straw waste in 160-190 DEG C of steam explosion temperature, steam pressure 0.6-1.2Mpa ties up pressure time 10-
Steam explosion is carried out under conditions of 30min.
Material pH value is 3.5-4.5 after steam explosion, and quick pressure releasing receives bin discharge port external sampling detection, liquid in gas-explosive material
Between 40000-120000mg/l, content of reducing sugar is between 1.5-2.8% for COD.
During steam explosion, in the presence of steam, the hemicellulose degradation in material is soluble pentose to material.
5th, dilute and extrude
By gas-explosive material spurt into quick pressure releasing receive storehouse, go out to receive storehouse material dilution conveying worm in add water it is dilute
Release to mass dryness fraction 10-15%, enter screw extruder, the mass dryness fraction of dehydration to 40-55% obtains pressing materials and COD for 6000-
The extrusion liquid of 11000mg/l.
First be diluted material after steam explosion by the present invention, is discharged into the enzymatic hydrolysis and fermentation mortifier produced during steam explosion
In water, then by extrusion process, material is further crushed under extruding and the rubbing effect of strength, extrude in more materials
The enzymatic hydrolysis and fermentation mortifier in portion, enzymatic hydrolysis and fermentation mortifier is present in extrusion liquid and is collected, and obtains containing little enzymatic hydrolysis and fermentation
The pressing materials of mortifier；On the other hand, by extrusion process, material is further crushed, and the specific surface area of material increases, from
And improve enzymolysis speed and efficiency in subsequent treatment.
Wherein, the big production line system for anaerobic treatment of cassava alcohol that the embodiment of the present invention is used is commonly used in the art to detest
Oxygen processing system.
6th, pre- enzymolysis
Pressing materials enter spiral crushing dilution conveyer, and heating water is diluted to material, reaches its dry matter content
10-25%, temperature reaches 40-55 DEG C, enters back into thread mixing conveyer, adds the fibre of cellulase preparation total amount 50-70%
The plain enzyme preparation of dimension, into pre-enzymatic vessel enzymolysis after continuous mixing, enzymatic hydrolysis condition is：PH value 4.0-5.5, time 5-24h, obtains pasty state
Pre- enzymolysis product.
Wherein, cellulase preparation used in the present invention is commercially available Novi's letter cellulase.
Wherein, cellulase preparation total amount is the 1%-2.5% of gas-explosive material over dry gross weight.
7th, screening and defibrination
The pre- enzymolysis product of the pasty state that will be obtained, pumps into screening machine, screens out plastics package binding, mental package binding
The abiotic matter impurity such as thing, wherein, the sieve diameter of screening machine is 3-10mm.
Pre- zymolyte after screening enters head tank, and high shear force fiberizer, high shear are entered by the pressure differential that height is produced
The linear velocity of power fiberizer is 69.5m/s, shears abrasive disk space 0.01-0.5mm, and roll flute type is closing shearing-type.
Wherein, the principle and purpose of the pre- enzymolysis material feeding high shear force fiberizer after the present invention is by screening are as follows：
Plant cell is made up of cell membrane and lumen, is intercellular layer between two cell membranes.Cell membrane is microfibre
Arrange, be entwined, microfibre is assembled to form fine fibre, (microfibre is arranged in parallel by the cellulose macromolecule of 100 or so
And the banded structure unit for being formed), it is made up of primary wall and secondary wall, and secondary wall includes outer layer of secondary wall (S again1), it is secondary
Wall middle level (S2), secondary wall internal layer (S3).One structure of plant cell is followed successively by intercellular layer, primary wall (P walls from outside to inside
It is thin), outer layer of secondary wall (S1), central layer of secondary (S2), secondary wall internal layer (S3), lumen.Wherein, intercellular layer cellulose-less, by
Lignin is filled, and lignin is maximum in intercellular layer Midst density；Primary wall (P) interior microfibre is sparse, is irregular netted, contains
Lignin, hemicellulose, pectic substance etc.；General plant is in secondary wall (S2) content of cellulose is larger in layer.
Cell membrane is formed by cellulose crystallite area and amorphous region are spaced, amorphous region contain substantial amounts of cellulose with
Hemicellulose, thus amorphous region has good water imbibition, liquid is easily accessible, and can be torn apart under steam explosion steam power,
Make hemicellulose degradation dissolution, cellulose is exposed, be easy to enzyme preparation to enter；Crystal region cellulose enrichment, marshalling, liquid is difficult
To enter, even by steam explosion also crystal region explosion cannot tear, thus in enzymolysis, enzyme preparation also cannot propagate into crystallization
Inside area, can only be had an effect in periphery and cellulose, it is seen then that if not breaking crystal region, enzymolysis speed and sugared yield will be big
It is big to decline.
Outer layer of secondary wall (the S of straw plant cell1) thicker, fibrocyte S1And S2Layer is tightly combined, and makes S2Be difficult with
Outside liquid is contacted；S must be removed1Outside liquid and enzyme preparation can be just set to enter the S of cellulose enrichment2Layer, will remove S1, palpus
There is stronger mechanism；
The network-like aromatic polymer compound with three dimensions of lignin Shi You branches, is unbodied, knot
Structure is complicated, and unstable chemcial property, respond is very strong, has stronger absorbability, specific surface area to chemicals and gas
Reach 180m2/ g, therefore, the larger specific surface area of lignin, the polarity of active group and unstability can be produced to enzyme preparation
Stronger suction-operated, makes enzyme preparation loss of activity；
By the material of preliminary enzymolysis about 5-24h, one is that exposed amorphous region cellulose is digested substantially, cellulose
Crystal region close structure, enzyme preparation cannot be introduced into inside；Two is to abolish cell S1Be conducive to S2Layer it is abundant exposed；Three is wooden
The increasing number that element is exposed, absorption and the inhibitory action enhancing to enzyme preparation；Lignin is netted three-dimensional macromolecular, to being both
The enzyme preparation of macromolecular structure, can produce suction-operated and enzyme preparation is lost activity；
Then the material of the preliminary enzymolysis of high shear force fiberizer treatment is recycled, one to be that high shear force can discharge wooden
The enzyme preparation of plain macromolecules adsorption simultaneously reduces absorption of the lignin to enzyme preparation；Two is general larger molecular organicses, in high shear
Under power effect, macromolecular chain can be broken and degrade, the treatment of high shear force defibrination, the exposed macromolecular lignin structure of tearable,
It is degraded and reduce the absorption and interference to enzyme preparation；Three is that high shear force defibrination can abolish cell S1Layer, is conducive to S2Layer
It is fully exposed；Four is high shear force defibrination tearable cellulose crystallite area, increases its specific surface area；In sum, cut through height
Shear force defibrination process can increase substantially enzymolysis efficiency and cellulose sugar rate.
8th, digest
Pre- enzymolysis material enters back into enzymatic vessel, adds remaining cellulase, digests 48-72h, obtains for preparing biology
The pre-product of fuel.Wherein, the temperature of enzymatic vessel is 40-55 DEG C, and the pH value of enzymolysis is 4.0-5.5.
After testing, the cellulase hydrolysis rate after enzymolysis reaches 75-98%
Following examples are the embodiment that bio-fuel is prepared using the pre-product of bio-fuel
The preparation of the gaseous bio fuel of Application Example 1
The big production line system for anaerobic treatment production biogas of the cassava alcohol of stalk cleaning solution feeding longtime running, biogas are sent
Boiler combustion is generated electricity and production steam is used by oneself, wherein, a length of 12 hours during anaerobic fermentation, COD clearances are stable in 45-60%,
Biodegradability is good, and aerogenesis is in stable condition.
By extrusion liquid feeding cassava alcohol big production line system for anaerobic treatment production biogas, biogas send boiler combustion generate electricity and
Production steam is used by oneself, wherein, a length of 12 hours during anaerobic fermentation, in 50-60%, biodegradability is good, produces for COD clearances stabilization
Gas stabilization.
It can be seen that, biogas efficiency high is prepared using the inventive method, fermentation can just make COD clearances stabilization exist for 12 hours
50-60%.
To isolate at the useless mash feeding big production line anaerobism of cassava alcohol of liquid fuel ethanol, solid fuel lignin
Reason system produces biogas, and biogas send boiler combustion generating and production steam to use by oneself, wherein, a length of 72 hours, COD during anaerobic fermentation
Clearance stabilization is in 50-60%, good biodegradability, aerogenesis stabilization.
The preparation of the liquid biological fuel of Application Example 2
Pre-product is sent into the ferment tank containing saccharomycete, alcohol fuel is obtained.
Wherein, fermentation time 30-60h, pH value is 4.0-5.5, and fermentation temperature is 30-36 DEG C.
The preparation of the solid bio-fuel of Application Example 3
By the residues of Application Example 2 through sheet frame preliminary hydro-extraction to 25-40% mass dryness fraction, then by extruder squeeze
To mass dryness fraction 55-60%, waste heat is dried, and obtains lignin finished product, and after testing, its calorific value reaches 5800-6300kcal/kg；
Other compositions in residues produce biogas as useless mash by anaerobic fermentation, can further purify preparation
Bio-natural gas product；Using pilot production line of the invention, straw whole component, i.e. hemicellulose, fiber are realized
Separation and the high-valued complete utilization of element, lignin and a small amount of component, the customized equipment of Aided design are stable, meet or exceed
The technical and economic requirements of design；Anaerobic gas generation stabilization, environmental protection facility operational excellence reaches non-pollutant discharge；Mixed economy
Benefit is good；Realize that industrialization will bring huge social benefit.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included in protection scope of the present invention etc.
Claims (10)
1. straw full constituent comprehensive utilization prepares the preprocess method of biomass fuel, it is characterised in that including：
The carrying out washing treatment including low-molecular weight water-soluble material will be removed by the straw of segment, obtains stalk washing
Liquid and the stalk material containing the water-soluble material of a small amount of low-molecular-weight；
Steam explosion treatment is carried out by by the stalk material containing a small amount of low-molecular weight water-soluble material, generation in steam explosion treatment is reduced
Enzymatic hydrolysis and fermentation mortifier, obtain enzymatic hydrolysis and fermentation inhibitor contents reduction gas-explosive material；
The gas-explosive material that the enzymatic hydrolysis and fermentation inhibitor contents are reduced is diluted and extrusion process, the enzymolysis in extruded material
Fermentation inhibitor, has been extruded the pressing materials and extrusion liquid of enzymatic hydrolysis and fermentation mortifier；
After crushing the pressing materials, pre- enzymolysis processing is carried out, obtain pre- enzymolysis material；
Cracking treatment is carried out to the pre- enzymolysis material, the pre- enzymolysis material for further being crushed；
After pre- enzymolysis material enzymolysis after further crushing, the pre-product for preparing biomass fuel is obtained.
2. the method for claim 1, it is characterised in that the carrying out washing treatment is the circulation that temperature in use is 25-100 DEG C
Water is washed to straw.
3. the method for claim 1, it is characterised in that the steam explosion treatment includes：
Stalk material containing a small amount of low-molecular weight water-soluble material is carried out into de-watering extrusion treatment, the big portion of stalk material is removed
Divide moisture, the stalk material after dehydration is torn and is compacted, obtain de-watering extrusion material；
Steam explosion is carried out during de-watering extrusion material is sent into steam-explosion jar, gas-explosive material is obtained.
4. the method for claim 1, it is characterised in that the extrusion process includes：
After by gas-explosive material pressure release, treatment is diluted, makes to include that enzymatic hydrolysis and fermentation mortifier is soluble in water, obtain diluted material；
Diluted material is carried out into extrusion process again, makes to include the steam explosion thing in the lysate of enzymatic hydrolysis and fermentation mortifier and diluted material
Material is separated, and has been extruded the pressing materials and extrusion liquid of enzymatic hydrolysis and fermentation mortifier；
Wherein, the main component of the extrusion liquid is pentose.
5. the method for claim 1, it is characterised in that described to pre- enzymolysis material also enter before cracking treatment
OK：
Screening Treatment to pre- enzymolysis material, to remove the abiotic matter impurity in pre- enzymolysis material.
6. method as claimed in claim 5, it is characterised in that described cracking treatment is carried out to pre- enzymolysis material to include：
To not include that the pre- enzymolysis material of abiotic matter impurity carries out high shear defibrination process, the pre- enzymolysis for further being crushed
Material.
7. method as claimed in claim 6, it is characterised in that the high shear defibrination process are to use high shear force fiberizer
Pre- enzymolysis material to not including abiotic matter impurity is crushed, and improves enzymolysis efficiency and cellulose sugar rate.
8. method as claimed in claim 7, it is characterised in that the abrasive material linear velocity of the high shear force fiberizer is 22-
140m/s, shearing abrasive disk space is 0.01-1mm, and roll flute shape is closing shearing-type.
9. the method for claim 1, it is characterised in that the stalk cleaning solution and extrusion liquid are used to produce biogas.
10. the method for claim 1, it is characterised in that the pre-product is used to produce liquid biomass fuels, gas
Biomass fuel and solid biomass fuel；
Wherein, the liquid biomass fuels are ethanol；
Wherein, the gaseous bio matter fuel is biogas；
Wherein, the solid biomass fuel is the biomass fuel with lignin as main component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611107963.7A CN106701836A (en) | 2016-12-06 | 2016-12-06 | Pretreatment method for preparation of biomass fuels by comprehensive utilization of all components of plant straw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611107963.7A CN106701836A (en) | 2016-12-06 | 2016-12-06 | Pretreatment method for preparation of biomass fuels by comprehensive utilization of all components of plant straw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106701836A true CN106701836A (en) | 2017-05-24 |
Family
ID=58935954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611107963.7A Pending CN106701836A (en) | 2016-12-06 | 2016-12-06 | Pretreatment method for preparation of biomass fuels by comprehensive utilization of all components of plant straw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106701836A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107267240A (en) * | 2017-08-08 | 2017-10-20 | 三元控股集团杭州热电有限公司 | A kind of pot furnace fuel |
| CN110129380A (en) * | 2019-05-24 | 2019-08-16 | 刘同林 | Utilize the method for stalk production biomass fuel, corrugated paper, organic fertilizer |
| CN110205851A (en) * | 2019-06-22 | 2019-09-06 | 李克明 | Rice and kernel grass stalk fibre manufacturing process |
| CN110697805A (en) * | 2019-09-26 | 2020-01-17 | 杭州金溢建设集团有限公司 | River channel algae separation and bio-fertilizer treatment method |
| CN111363765A (en) * | 2020-05-28 | 2020-07-03 | 中粮营养健康研究院有限公司 | Method for preparing lactic acid by fermentation |
| CN111500658A (en) * | 2020-04-10 | 2020-08-07 | 大连海洋大学 | Method for increasing value and utilizing biomass in multiple ways |
| CN111592923A (en) * | 2020-04-27 | 2020-08-28 | 吉林宏日新能源股份有限公司 | Biomass fuel pretreatment equipment and pretreatment method |
| CN111712531A (en) * | 2017-12-20 | 2020-09-25 | Ifp 新能源公司 | Lignocellulosic biomass processing method |
| CN112553269A (en) * | 2020-12-24 | 2021-03-26 | 安徽工业大学 | Pretreatment and enzymolysis method of corn straw |
| CN113337323A (en) * | 2021-06-28 | 2021-09-03 | 齐鲁工业大学 | Waste-based granular fuel in wheat straw pulping process and preparation method and application thereof |
| CN114574531A (en) * | 2020-12-01 | 2022-06-03 | 国投生物科技投资有限公司 | Method for preparing monosaccharide from lignocellulose raw material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101942382A (en) * | 2009-07-06 | 2011-01-12 | 中国科学院过程工程研究所 | Device and method for producing butanol by fermenting straw dilute acid hydrolyzed pentaglucose |
| CN102277391A (en) * | 2011-08-25 | 2011-12-14 | 温志明 | Comprehensive utilization method of straw raw materials |
| CN104293862A (en) * | 2014-09-19 | 2015-01-21 | 北京利晟新能生物科技中心（有限合伙） | Method for preventing material in enzymolysis tank from precipitation |
-
2016
- 2016-12-06 CN CN201611107963.7A patent/CN106701836A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101942382A (en) * | 2009-07-06 | 2011-01-12 | 中国科学院过程工程研究所 | Device and method for producing butanol by fermenting straw dilute acid hydrolyzed pentaglucose |
| CN102277391A (en) * | 2011-08-25 | 2011-12-14 | 温志明 | Comprehensive utilization method of straw raw materials |
| CN104293862A (en) * | 2014-09-19 | 2015-01-21 | 北京利晟新能生物科技中心（有限合伙） | Method for preventing material in enzymolysis tank from precipitation |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107267240A (en) * | 2017-08-08 | 2017-10-20 | 三元控股集团杭州热电有限公司 | A kind of pot furnace fuel |
| CN111712531A (en) * | 2017-12-20 | 2020-09-25 | Ifp 新能源公司 | Lignocellulosic biomass processing method |
| CN111712531B (en) * | 2017-12-20 | 2022-04-15 | Ifp 新能源公司 | Lignocellulosic biomass processing method |
| CN110129380A (en) * | 2019-05-24 | 2019-08-16 | 刘同林 | Utilize the method for stalk production biomass fuel, corrugated paper, organic fertilizer |
| CN110205851A (en) * | 2019-06-22 | 2019-09-06 | 李克明 | Rice and kernel grass stalk fibre manufacturing process |
| CN110697805B (en) * | 2019-09-26 | 2021-11-09 | 杭州金溢建设集团有限公司 | River channel algae separation and bio-fertilizer treatment method |
| CN110697805A (en) * | 2019-09-26 | 2020-01-17 | 杭州金溢建设集团有限公司 | River channel algae separation and bio-fertilizer treatment method |
| CN111500658A (en) * | 2020-04-10 | 2020-08-07 | 大连海洋大学 | Method for increasing value and utilizing biomass in multiple ways |
| CN111500658B (en) * | 2020-04-10 | 2023-10-03 | 大连海洋大学 | Method for multi-way value-added utilization of biomass |
| CN111592923A (en) * | 2020-04-27 | 2020-08-28 | 吉林宏日新能源股份有限公司 | Biomass fuel pretreatment equipment and pretreatment method |
| CN111363765A (en) * | 2020-05-28 | 2020-07-03 | 中粮营养健康研究院有限公司 | Method for preparing lactic acid by fermentation |
| CN111363765B (en) * | 2020-05-28 | 2020-12-11 | 中粮营养健康研究院有限公司 | Method for preparing lactic acid by fermentation |
| CN114574531A (en) * | 2020-12-01 | 2022-06-03 | 国投生物科技投资有限公司 | Method for preparing monosaccharide from lignocellulose raw material |
| CN112553269A (en) * | 2020-12-24 | 2021-03-26 | 安徽工业大学 | Pretreatment and enzymolysis method of corn straw |
| CN113337323A (en) * | 2021-06-28 | 2021-09-03 | 齐鲁工业大学 | Waste-based granular fuel in wheat straw pulping process and preparation method and application thereof |
| CN113337323B (en) * | 2021-06-28 | 2023-03-10 | 齐鲁工业大学 | Waste-based granular fuel in wheat straw pulping process and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106701836A (en) | Pretreatment method for preparation of biomass fuels by comprehensive utilization of all components of plant straw | |
| US10155966B2 (en) | Method and apparatus for conversion of cellulosic material to ethanol | |
| US10738273B2 (en) | System for hydrolyzing a cellulosic feedstock slurry using one or more unmixed and mixed reactors | |
| JP2018171621A (en) | Biomass processing method | |
| BR122018008322B1 (en) | biomass processing method | |
| BRPI0904538B1 (en) | VEGETABLE BIOMASS TREATMENT PROCESS | |
| Su et al. | Coproduction of xylooligosaccharides and monosaccharides from hardwood by a combination of acetic acid pretreatment, mechanical refining and enzymatic hydrolysis | |
| CN101775412A (en) | Method for preparing biogas by using lignocellulose | |
| Cui et al. | Effects of microwave-assisted liquid hot water pretreatment on chemical composition and structure of moso bamboo | |
| Gong et al. | Enhanced enzymolysis and bioethanol yield from tobacco stem waste based on mild synergistic pretreatment | |
| CN102660587A (en) | Method for pretreating lignocellulose raw material continuously/intermittently under normal pressure by using calcium chloride solution | |
| CN110272927A (en) | A method of utilizing ketols pretreating agent preprocessing lignocellulose | |
| CN107815472B (en) | A method of vehicle fuel ethyl alcohol is prepared using stalk cleaning | |
| CN113186746B (en) | Lignocellulose biomass component separation system and separation method thereof | |
| Chen et al. | Pretreatment and Primary Refining of Lignocelluloses | |
| AU2013273693B2 (en) | Method and apparatus for conversion of cellulosic material to ethanol | |
| CN104313060A (en) | Preparation method of biomass ABE fermentation sugar solution | |
| Nath et al. | Production of Bioethanol Using Waste Biomass | |
| CN109438724A (en) | The method and its application of lignin in a kind of extraction lignocellulosic | |
| AU2012202325B2 (en) | Method and apparatus for conversion of cellulosic material to ethanol | |
| BR122017001932A2 (en) | METHOD OF CONVERTING AN INTERMEDIARY TO A PRODUCT, PRODUCT AND BIOMASS FEED STOCK PROCESSING SYSTEMS | |
| Chen et al. | Gas Explosion Technique Principles and Biomass Refining Pandect | |
| CN107880949A (en) | A kind of method that liquid fuel is prepared by pre-separation biomass |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170524 |