CN108101645A - A kind of method using biogas residue production bio-feritlizer - Google Patents
A kind of method using biogas residue production bio-feritlizer Download PDFInfo
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- CN108101645A CN108101645A CN201711469306.1A CN201711469306A CN108101645A CN 108101645 A CN108101645 A CN 108101645A CN 201711469306 A CN201711469306 A CN 201711469306A CN 108101645 A CN108101645 A CN 108101645A
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- C12P19/00—Preparation of compounds containing saccharide radicals
- C12P19/14—Preparation of compounds containing saccharide radicals produced by the action of a carbohydrase (EC 3.2.x), e.g. by alpha-amylase, e.g. by cellulase, hemicellulase
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- C12P5/00—Preparation of hydrocarbons or halogenated hydrocarbons
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- C12P5/023—Methane
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- 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
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- C12P2203/00—Fermentation products obtained from optionally pretreated or hydrolyzed cellulosic or lignocellulosic material as the carbon source
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- Y02E50/00—Technologies for the production of fuel of non-fossil origin
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The present invention relates to bio-feritlizer preparing technical field more particularly to a kind of methods using biogas residue production bio-feritlizer.It is prepared by the biogas residue to different moisture content under different material component and process conditions, the bio-feritlizer for meeting National agricultural professional standard (NY 884 2004) is obtained, soil fertility can be effectively improved, reduce the use of chemical fertilizer, safety and environmental protection reduces pollution.It is produced in the dreg liquid that the biogas residue in the present invention obtains for alcohol production by stalk simultaneously, realizes the maximization comprehensive utilization to agricultural crop straw, and reach the requirement of clean manufacturing without chemical substances such as addition soda acids in preparation process.
Description
Technical field
The present invention relates to bio-feritlizer preparing technical field more particularly to a kind of sides using biogas residue production bio-feritlizer
Method.
Background technology
In biogas residue in addition to containing abundant nitrogen, phosphorus, potassium and a great number of elements, also contain what is played an important role to plant growth
The trace elements such as boron, copper, iron, manganese, zinc.With the sustainable development of the ecological agriculture, the purposes of biogas residue is gradually exploited.Natural pond
Slag has the function of quick-acting, slow two kinds of effect, can do base manure and top dressing during comprehensive utilization, can both reduce chemical fertilizer, pesticide is applied
Dosage reduces cost, and can effectively improve the yield and quality of crops.Biogas residue is mainly used for production estimation or nursery stock life
The base manure of production, it may also be used for production edible mushroom is breeded fish, cultivating earthworm etc..But during the fertilizer of biogas residue production at present, due to biogas residue
Moisture content is high, and long-term storage can generate foul smell；And also not decomposed fermentation completely during major part biogas residue separation, directly impose in soil
Soil can be damaged.Therefore, how effectively to prepare bio-feritlizer using biogas residue is this field skill urgently to be resolved hurrily
Art problem.
The content of the invention
The purpose of the present invention is exactly the defects of overcoming the prior art, provides a kind of side using biogas residue production bio-feritlizer
Method.
The present invention uses following technical scheme：
It is a kind of using biogas residue production bio-feritlizer method, using biogas residue, bio-fermentation agents, auxiliary material for raw material preparation and
Into preparation process is as follows：
When biogas residue water content is between 40-70%, the quick lime stirring for accounting for biogas residue weight 0.5-2% is added in, and will be raw
Bacterium solution is added in biogas residue and ferments, bacterium solution and biogas residue weight ratio are 1 into bacterium solution by the activation of object fermenting agent:180-200, mixing
It stirs evenly, the fermentate moisture being stirred is controlled between 50-60%, and fermentate is carried out to stack fermentation 15-20 days；
When biogas residue water content is more than 70%, bio-fermentation agents are activated into bacterium solution, biogas residue and auxiliary material are by weight 2-
3:1 mixing adds the quick lime stirring for accounting for mixture weight 0.5-2%, then bacterium solution is pressed and mixture 1:The weight of 180-200
Amount ratio is added in mixture, and the fermentate moisture being stirred is controlled between 50-60%, and fermentate is carried out stacking fermentation
15-20 days；
Wherein, the digestion slag liquid generated when the biogas residue is using preparing alcohol from stress or stalk of agricultural crops coproduction biogas is squeezed
It arrives, the specific preparation process of biogas residue is as follows：
(1) pre-process：After crops stalk crushing 1 will be pressed with water:The ratio mixing of 5-10, in 170-230 DEG C of temperature strip
5-60min is maintained under part, is cooled afterwards by carrying out heat exchange with next batch cold burden to 50-60 DEG C；
(2) digest：Pretreated material addition cellulose degrading enzyme degradation, hydrolysis temperature 45-55 into step (1)
DEG C, enzymolysis pH value is 4-5.5, and when enzymolysis time 36-72 is small, the mixing of the sugared and undegraded fiber of stalk is obtained after the completion of degradation
Object；
(3) ferment ethyl alcohol processed：Mixture addition yeast into step (2) carries out alcoholic fermentation, fermentation temperature 25-42
DEG C, when fermentation time is 48-120 small, then distilled to obtain ethyl alcohol and dreg liquid；
(4) coproduction biogas：By in step (3) dreg liquid carry out high concentration full-mixing type high-temperature anaerobic fermentation, obtain biogas and
Digest slag liquid；
(5) biogas residue is prepared：Digestion slag liquid in step (4) is squeezed to obtain clear liquid and biogas residue.
Further, auxiliary material is one or more of straw powder, rice chaff, peanut shell powder, and the water content of auxiliary material is not more than
10%.
Further, bio-fermentation agents 100g is activated into 9-11kg bacterium solutions.
Further, it is unlimited for 1-1.2m, width 1.8-2m, length to stack height for fermentate.
Further, cellulose degrading enzyme is cellulase, cellobiase, zytase, pectase, one kind of laccase
It is or several.
Further, in the ethyl alcohol processed of fermenting used yeast be Pichia pastoris, shehatae candida, common saccharomyces cerevisiae,
One or more of genetic engineering saccharomyces cerevisiae.
Further, yeast-inoculated amount is 0.1-10%, and concentration of alcohol is 2-8% after fermentation.
Further, high temperature active sludge is inoculated in coproduction process of methane and carries out anaerobic fermentation, sludge seeding amount is 5-
30%, 50-65 DEG C of fermentation temperature reaches complete mixed using Hydraulic Circulation mode.
The method using biogas residue production bio-feritlizer of the present invention, has the advantages that：
(1) present invention produces bio-feritlizer using biogas residue, and the auxiliary of different content is added by the biogas residue to different moisture content
Material and bacteria agent carry out fermentation preparation, and the bio-feritlizer of production can be effectively improved soil fertility, and raw material uses stalk second
Biogas residue after alcohol coproduction biogas, it is of low cost, the reasonable utilization to resource is realized, reduces the use of chemical fertilizer, safety
Environmental protection reduces pollution, and the content of organic matter is more than 30% in biomaterial obtained, and moisture is below 15%, and pH value is in 6.5-
Between 7.5, meet National agricultural professional standard (NY884-2004).
(2) produced in the dreg liquid that the biogas residue in the present invention obtains for alcohol production by stalk, in ethanol preparation,
Using high temperature and pressure pretreating process, coupled, heat can be fully utilized by heat, significantly reduce energy consumption and
Production cost, while using high-heat fermentation process in coproduction process of methane, organic matter degradation is efficient, degradation is thorough, passes through
Co-productiono f ethanol biogas and bio-feritlizer processed realize the maximization comprehensive utilization to agricultural crop straw, and do not have in preparation process
There are the chemical substances such as addition soda acid, reach the requirement of clean manufacturing.
Specific embodiment
Below in conjunction with specific embodiment, clear, complete description is carried out to technical scheme, it is clear that retouched
The embodiment stated is only part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, originally
All other embodiment that field those skilled in the art are obtained on the premise of creative work is not made belongs to this
The protection domain of invention.
It is a kind of using biogas residue production bio-feritlizer method, using biogas residue, bio-fermentation agents, auxiliary material for raw material preparation and
Into preparation process is as follows：
When biogas residue water content is between 40-70%, the quick lime stirring for accounting for biogas residue weight 0.5-2% is added in, and will be raw
Bacterium solution is added in biogas residue and ferments, bacterium solution and biogas residue weight ratio are 1 into bacterium solution by the activation of object fermenting agent:180-200, mixing
It stirs evenly, the fermentate moisture being stirred is controlled between 50-60%, and fermentate is stacked, and it is 1- to stack height
1.2m, width 1.8-2m, length are unlimited, stack fermentation 15-20 days.
When biogas residue water content is more than 70%, bio-fermentation agents are activated into bacterium solution, biogas residue and auxiliary material are by weight 2-
3:1 mixing adds the quick lime stirring for accounting for mixture weight 1-2%, then bacterium solution is pressed and mixture 1:The weight of 180-200
Than being added in mixture, the fermentate moisture being stirred is controlled between 50-60%, and fermentate is stacked, and is stacked high
Spend for 1-1.2m, width 1.8-2m, length it is unlimited, stack fermentation 15-20 days.
After the completion of fermentation is stacked, granulation, drying and bagging process are further included, fertilizer utilization comminutor after fermentation is caused
Grain size is the particle of 3-6mm, is packed after drying.
Specifically, the addition of auxiliary material be primarily used to adjust biogas residue fermentation when gas permeability, auxiliary material can be straw powder,
One or more of rice chaff, peanut shell powder.In fermentation process, moisture is too low, and fermentation is slow；Moisture is excessively high can cause ventilation it is poor,
Heating is slow and generates stink.Therefore, for different biogas residue water content, by add different content auxiliary material and bacterium solution come to water
Divide and effectively adjusted, reach the condition suitable for fermentation.The control of fermentate moisture, simple validation testing are：It will be stirred
Fermentate gently held with hand agglomerating, release can split three or five seams, and at least guarantee with hand is held and will not dripped between webs with strength.
During biogas residue, bacterium solution and auxiliary material are stirred fermentation stack retting, interior when the 24-48 for starting fermentation is small, fermentate temperature can reach
55 DEG C or more, heating can reach the effect of deodorization after three days.
Wherein, the digestion slag liquid generated when the biogas residue is using preparing alcohol from stress or stalk of agricultural crops coproduction biogas is squeezed
It arrives, the specific preparation process of biogas residue is as follows：
(1) pre-process：After crops stalk crushing 1 will be pressed with water:The ratio mixing of 5-10, in 170-230 DEG C of temperature strip
5-60min is maintained under part, is cooled afterwards by carrying out heat exchange with next batch cold burden to 50-60 DEG C.Using high temperature
Pre-press technique, is coupled by heat, can fully utilize heat, is significantly reduced energy consumption and is produced into
This.Different from conventional steam blasting, the heat that when explosion loses cannot reuse.Simultaneously as do not have in preprocessing process
There are the chemical substances such as addition acid, alkali, pretreated material toxicity very little, color is also shallow, comparatively facilitates subsequent production wine hair
Ferment.Heat exchange is carried out with cold burden in a heat exchanger, not only realizes the cooling of material, moreover it is possible to unpretreated stalk and water
Mixed material heat up, recycle thermal energy, reduce energy consumption, prevent hot loss of energy.
(2) digest：Pretreated material addition cellulose degrading enzyme degradation, hydrolysis temperature 45-55 into step (1)
DEG C, enzymolysis pH value is 4-5.5, and when enzymolysis time 36-72 is small, the mixing of the sugared and undegraded fiber of stalk is obtained after the completion of degradation
Object.Without separation of solid and liquid, feed liquid is used directly to ferment material after enzymolysis, can fibrous raw material more be decomposed into carbohydrate,
Improve the conversion ratio of stalk.
(3) ferment ethyl alcohol processed：Mixture addition yeast into step (2) carries out alcoholic fermentation, fermentation temperature 25-42
DEG C, when fermentation time is 48-120 small, yeast-inoculated amount is 1-10%, then is distilled to obtain ethyl alcohol and dreg liquid, after fermentation
Concentration of alcohol be 2-8%.
(4) coproduction biogas：Dreg liquid inoculation high temperature active sludge in step (3) is subjected to high concentration full-mixing type high temperature anaerobic
Fermentation, sludge seeding amount are 5-25%, and 50-65 DEG C of fermentation temperature reaches complete mixed using Hydraulic Circulation mode, obtains biogas and disappear
Slugging liquid, biogas are discharged into biogas cabinet and store, for aerogenesis or the hydrogen raw material of burning.Using high concentration anaerobic fermentation, it is not required to
Separation of solid and liquid is first passed through, biogas can be produced using more organic matters, and using high-heat fermentation process, organic matter degradation
Efficient, degradation is thorough；Reach complete mixed using Hydraulic Circulation mode, avoid mechanical agitation expense energy and the drawbacks such as device complexity.
(5) biogas residue is prepared：Digestion slag liquid in step (4) is squeezed to obtain clear liquid and biogas residue.
The scheme that bio-feritlizer is prepared using biogas residue of the present invention is carried out furtherly below in conjunction with specific embodiment
It is bright.
Embodiment 1
A kind of method using biogas residue production bio-feritlizer is prepared as raw material using biogas residue, bio-fermentation agents, prepared
Step is as follows：Biogas residue water content is 65%, adds in the quick lime stirring for accounting for biogas residue weight 1-2%, bio-fermentation agents are activated
Into bacterium solution, bacterium solution is added in biogas residue and is fermented, bacterium solution and biogas residue weight ratio are 1:200, it is mixed evenly, the hair being stirred
Ferment object moisture is controlled between 55-60%, and fermentate is stacked, and stacks highly unlimited for 1m, width 2m, length, heap
Put fermentation 20 days.After the completion of stacking fermentation, fertilizer utilization comminutor after fermentation is caused into the particle that grain size is 3-5mm, after drying
Pack.
Wherein, the digestion slag liquid generated when the biogas residue is using preparing alcohol from stress or stalk of agricultural crops coproduction biogas is squeezed
It arrives, the specific preparation process of biogas residue is as follows：
(1) pre-process：After crops stalk crushing 1 will be pressed with water:5 ratio mixing, maintains under 170 DEG C of temperature conditionss
60min is cooled by carrying out heat exchange with next batch cold burden to 50 DEG C afterwards.
(2) digest：Into step (1), pretreated material addition cellulose degraded, hydrolysis temperature are 50 DEG C, enzymolysis
PH value is 4.8, and when enzymolysis time 72 is small, the mixture of the sugared and undegraded fiber of stalk is obtained after the completion of degradation.
(3) ferment ethyl alcohol processed：Mixture addition genetic engineering saccharomyces cerevisiae into step (2) carries out alcoholic fermentation, hair
Ferment temperature is 42 DEG C, and when fermentation time is 84 small, yeast-inoculated amount is 5%, then is distilled to obtain ethyl alcohol and dreg liquid.
(4) coproduction biogas：Dreg liquid inoculation high temperature active sludge in step (3) is subjected to high concentration full-mixing type high temperature anaerobic
Fermentation, sludge seeding amount are 10%, 60 DEG C of fermentation temperature, reach complete mixed using Hydraulic Circulation mode, obtain biogas and digestion slag
Liquid, biogas are discharged into biogas cabinet and store, for aerogenesis or the hydrogen raw material of burning.
(5) biogas residue is prepared：Digestion slag liquid in step (4) is squeezed to obtain clear liquid and biogas residue.
Embodiment 2
A kind of method using biogas residue production bio-feritlizer is prepared using biogas residue, bio-fermentation agents, peanut shell powder as raw material
It forms, preparation process is as follows：Biogas residue water content is 75%, and bio-fermentation agents are activated into bacterium solution, biogas residue and peanut shell powder and are pressed
Weight ratio 3:1 mixing adds the quick lime stirring for accounting for mixture weight 1%, then bacterium solution is pressed and mixture 1:180 weight
Than being added in mixture, the fermentate moisture being stirred is controlled between 55-60%, and fermentate is stacked, and is stacked high
Spend for 1.2m, width 1.8m, length it is unlimited, stack fermentation 15 days.After the completion of stacking fermentation, fertilizer utilization after fermentation is granulated
Machine causes the particle that grain size is 3-5mm, is packed after drying.
Wherein, the digestion slag liquid generated when the biogas residue is using preparing alcohol from stress or stalk of agricultural crops coproduction biogas is squeezed
It arrives, the specific preparation process of biogas residue is as follows：
(1) pre-process：After crops stalk crushing 1 will be pressed with water:6 ratio mixing, maintains under 210 DEG C of temperature conditionss
30min is cooled by carrying out heat exchange with next batch cold burden to 55 DEG C afterwards.
(2) digest：Pretreated material addition cellulase, cellobiase degradation, hydrolysis temperature into step (1)
For 52 DEG C, enzymolysis pH value is 4.6, and when enzymolysis time 48 is small, the mixture of the sugared and undegraded fiber of stalk is obtained after the completion of degradation.
(3) ferment ethyl alcohol processed：Mixture into step (2) adds common saccharomyces cerevisiae and carries out alcoholic fermentation, fermentation temperature
It spends for 35 DEG C, when fermentation time is 120 small, yeast-inoculated amount is 1%, then is distilled to obtain ethyl alcohol and dreg liquid.
(4) coproduction biogas：Dreg liquid inoculation high temperature active sludge in step (3) is subjected to high concentration full-mixing type high temperature anaerobic
Fermentation, sludge seeding amount are 25%, 60 DEG C of fermentation temperature, reach complete mixed using Hydraulic Circulation mode, obtain biogas and digestion slag
Liquid, biogas are discharged into biogas cabinet and store, for aerogenesis or the hydrogen raw material of burning.
(5) biogas residue is prepared：Digestion slag liquid in step (4) is squeezed to obtain clear liquid and biogas residue.
Embodiment 3
A kind of method using biogas residue production bio-feritlizer is prepared as raw material using biogas residue, bio-fermentation agents, prepared
Step is as follows：Biogas residue water content is 50%, adds in the quick lime stirring for accounting for biogas residue weight 1-2%, bio-fermentation agents are activated
Into bacterium solution, bacterium solution is added in biogas residue and is fermented, bacterium solution and biogas residue weight ratio are 1:180, it is mixed evenly, the hair being stirred
Ferment object moisture is controlled between 55-60%, and fermentate is stacked, and is stacked highly for 1.1m, width 1.9m, length not
Limit stacks fermentation 15-20 days.After the completion of stacking fermentation, fertilizer utilization comminutor after fermentation is caused into that grain size is 3-5mm
Grain, packs after drying.
Wherein, the digestion slag liquid generated when the biogas residue is using preparing alcohol from stress or stalk of agricultural crops coproduction biogas is squeezed
It arrives, the specific preparation process of biogas residue is as follows：
(1) pre-process：After crops stalk crushing 1 will be pressed with water:10 ratio mixing, is tieed up under 230 DEG C of temperature conditionss
5min is held, is cooled afterwards by carrying out heat exchange with next batch cold burden to 55 DEG C.
(2) digest：Into step (1), pretreated material addition cellulase, zytase degradation, hydrolysis temperature are
55 DEG C, enzymolysis pH value is 5.5, and when enzymolysis time 36 is small, the mixture of the sugared and undegraded fiber of stalk is obtained after the completion of degradation.
(3) ferment ethyl alcohol processed：Mixture into step (2) adds common saccharomyces cerevisiae and carries out alcoholic fermentation, fermentation temperature
It spends for 36 DEG C, when fermentation time is 48 small, yeast-inoculated amount is 10%, then is distilled to obtain ethyl alcohol and dreg liquid.
(4) coproduction biogas：Dreg liquid inoculation high temperature active sludge in step (3) is subjected to high concentration full-mixing type high temperature anaerobic
Fermentation, sludge seeding amount are 5%, 50 DEG C of fermentation temperature, reach complete mixed using Hydraulic Circulation mode, obtain biogas and digestion slag
Liquid, biogas are discharged into biogas cabinet and store, for aerogenesis or the hydrogen raw material of burning.
(5) biogas residue is prepared：Digestion slag liquid in step (4) is squeezed to obtain clear liquid and biogas residue.
The key technical indexes of bio-feritlizer obtained in the embodiment of the present invention 1-3 is tested, as a result such as 1 institute of table
Show.
1 bio-feritlizer the performance test results of table
| Group | Content of organic matter % | Moisture % | PH value |
| Embodiment 1 | 33 | 12 | 6.5 |
| Embodiment 2 | 35 | 15 | 7.0 |
| Embodiment 3 | 40 | 14 | 7.2 |
As shown in Table 1, the performance of bio-feritlizer obtained meets National agricultural professional standard in various embodiments of the present invention
(NY 884-2004)：Organic matter (in terms of butt), % >=25.0；Moisture, %≤15.0；PH value 5.5-8.5.The present invention utilizes
Biogas residue produces bio-feritlizer, adds the auxiliary material of different content by the biogas residue to different moisture content and bacteria agent carries out fermentation system
Standby, the bio-feritlizer of production can be effectively improved soil fertility, and raw material is using the biogas residue after alcohol production by stalk coproduction biogas, cost
It is cheap, the reasonable utilization to resource is realized, reduces the use of chemical fertilizer, safety and environmental protection reduces pollution.
The present invention is further described by specific embodiment above, it should be understood that, here specifically
Description, should not be construed as the restriction to the spirit and scope of the invention, and one of ordinary skilled in the art is reading this explanation
The various modifications made after book to above-described embodiment belong to the scope that the present invention is protected.
Claims (8)
- A kind of 1. method using biogas residue production bio-feritlizer, which is characterized in that using biogas residue, bio-fermentation agents, auxiliary material as original Material is prepared, and preparation process is as follows：When biogas residue water content is between 40-70%, the quick lime stirring for accounting for biogas residue weight 0.5-2% is added in, and biology is sent out Bacterium solution is added in biogas residue and ferments, bacterium solution and biogas residue weight ratio are 1 into bacterium solution by yeast-like fungi agent activation:180-200 is mixed Uniformly, the fermentate moisture being stirred is controlled between 50-60%, and fermentate is carried out to stack fermentation 15-20 days；When biogas residue water content is more than 70%, bio-fermentation agents are activated into bacterium solution, biogas residue and auxiliary material are by weight 2-3:1 is mixed It closes, adds the quick lime stirring for accounting for mixture weight 0.5-2%, then bacterium solution is pressed and mixture 1:The weight ratio of 180-200 It is added in mixture, the fermentate moisture being stirred is controlled between 50-60%, and fermentate is carried out to stack fermentation 15-20 My god；Wherein, the digestion slag liquid generated when the biogas residue is using preparing alcohol from stress or stalk of agricultural crops coproduction biogas squeezes to obtain, natural pond The specific preparation process of slag is as follows：(1) pre-process：After crops stalk crushing 1 will be pressed with water:The ratio mixing of 5-10, under 170-230 DEG C of temperature conditionss 5-60min is maintained, is cooled afterwards by carrying out heat exchange with next batch cold burden to 50-60 DEG C；(2) digest：The pretreated material addition cellulose degrading enzyme degradation into step (1), hydrolysis temperature is 45-55 DEG C, Enzymolysis pH value is 4-5.5, and when enzymolysis time 36-72 is small, the mixture of the sugared and undegraded fiber of stalk is obtained after the completion of degradation；(3) ferment ethyl alcohol processed：Mixture addition yeast into step (2) carries out alcoholic fermentation, and fermentation temperature is 25-42 DEG C, When fermentation time is 48-120 small, then distilled to obtain ethyl alcohol and dreg liquid；(4) coproduction biogas：Dreg liquid in step (3) is subjected to high concentration full-mixing type high-temperature anaerobic fermentation, obtains biogas and digestion Slag liquid；(5) biogas residue is prepared：Digestion slag liquid in step (4) is squeezed to obtain clear liquid and biogas residue.
- 2. it is according to claim 1 using biogas residue production bio-feritlizer method, which is characterized in that auxiliary material for straw powder, One or more of rice chaff, peanut shell powder, the water content of auxiliary material are not more than 10%.
- 3. the method according to claim 2 using biogas residue production bio-feritlizer, which is characterized in that the biofermentation bacterium Agent 100g is activated into 9-11kg bacterium solutions.
- 4. the method according to claim 3 using biogas residue production bio-feritlizer, which is characterized in that fermentate stacks height It is unlimited for 1-1.2m, width 1.8-2m, length.
- 5. the method according to claim 1 using biogas residue production bio-feritlizer, which is characterized in that cellulose degrading enzyme is Cellulase, cellobiase, zytase, pectase, the one or several kinds of laccase.
- 6. the method according to claim 1 using biogas residue production bio-feritlizer, which is characterized in that institute in fermentation ethyl alcohol processed It is one or more of Pichia pastoris, shehatae candida, common saccharomyces cerevisiae, genetic engineering saccharomyces cerevisiae with yeast.
- 7. the method according to claim 1 using biogas residue production bio-feritlizer, which is characterized in that yeast-inoculated amount is 1- 10%, alcohol concentration is 2-8% after fermentation.
- 8. the method according to claim 1 using biogas residue production bio-feritlizer, which is characterized in that in coproduction process of methane It is inoculated with high temperature active sludge and carries out anaerobic fermentation, sludge seeding amount is 5-25%, 50-65 DEG C of fermentation temperature, using Hydraulic Circulation Mode reaches complete mixed.
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