CN110195082A - A kind of organic waste resource utilization method - Google Patents
A kind of organic waste resource utilization method Download PDFInfo
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- CN110195082A CN110195082A CN201910504183.3A CN201910504183A CN110195082A CN 110195082 A CN110195082 A CN 110195082A CN 201910504183 A CN201910504183 A CN 201910504183A CN 110195082 A CN110195082 A CN 110195082A
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- biogas
- organic waste
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- residue
- biogas slurry
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
- C05F9/04—Biological compost
-
- 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
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Treatment Of Sludge (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of organic waste resource utilization method, it the steps include: that organic waste collects pretreatment；Enter in CSTR reactor after pretreatment and carry out high-temperature anaerobic fermentation, the biogas residue and biogas liquid that reaction is generated separates, and separate rear part point biogas slurry is back to pretreatment unit, and part biogas slurry and biogas residue enter bacterial manure processing unit (plant), be processed into bio-bacterial manure；The biogas that reaction generates is purified, is generated electricity or be that CSTR reactor or pretreatment unit heat.The present invention can be improved organic waste resource recycling; protect environment; and it can uninterrupted carry out full mixed anaerobic reaction; separation utilization is carried out to biogas residue and biogas slurry; biogas residue is processed into bio-bacterial manure; biogas slurry is back to pretreatment unit recycling, increases operation rate, and carries out purification to biogas and improve safety.
Description
Technical field
The present invention relates to a kind of resource recycling method, in particular to a kind of organic waste resource utilization method.
Background technique
With the gradually development of China's agricultural, the processing problem of organic waste is also more and more prominent, many agricultural industries
Do not focus on being effectively treated for organic waste, arbitrarily abandon and cause environmental pollution, to be brought for ecology a series of severe
It influences.
Organic waste mainly includes dry branches and fallen leaves and straw of crops etc., has its poultry in terms of livestock rearing
Corpse and excrement etc. are either carrying out agricultural production or normal rural villager in addition among rural development process
Life, the processing of the waste being discharged and all agricultural and sideline products should all calculate among organic waste.And these organic wastes
Gurry is not pocessed, and can all be caused accordingly to the ecological environment of current agricultural sustainable development environment and human living
Baneful influence, and from the type and quantity of organic waste for, also far beyond environment be capable of self decompose model
Except enclosing, hundreds of millions of organic wastes can also generate corresponding chemical reaction among the process of variation, leverage
Agricultural environment and Agricultural Activities.
Existing common organic waste treatment mode is that organic waste Concentrated fermentation is fabricated to fertilizer, as in
State patent of invention CN108383556A discloses " a kind of organic waste fast and harmless processing method ".Fowl and animal excrement etc. is had
After machine waste carries out harmless treatment, then by the way that bacteria agent and heating heating method is added, produce qualified stacked organic
Fertilizer.1-2 days process cycles are also needed after the method harmless treatment, and carbon dioxide and methane etc. can be discharged in process of production
Gas.These processing modes have shortcomings, such as long processing period, since fermentation time is long, cause the time of single treatment very
It is long；Secondary pollution is caused, since the gases such as carbon dioxide and methane can be discharged in production process, causes the secondary pollution to air
The problems such as.
Based on the above reasons, it needs to seek a kind of gas that can quickly handle organic waste and generate it in the process
The method that body makees secondary use not will cause the secondary pollution to environment while capable of quickly handling organic waste, improve money
The recovery utilization rate in source.
Summary of the invention
In view of this, the present invention is directed to deficiency present in existing organic waste treatment and in order to preferably utilize organic waste
Carbonizable substance in gurry provides a kind of organic waste resource utilization method, to this while quickly preparing organic fertilizer
The gas that process generates is efficiently used.
A kind of organic waste resource utilization method of the invention is as follows:
(1) organic waste is collected, and is pre-processed in pretreatment unit；
(2) organic waste enter after pretreatment CSTR reactor pass through catalyst carry out high temperature anaerobic fermentation；
(3) biogas residue and biogas liquid that reaction generates enters buffer unit, enters back into solid-liquid separating machine, biogas residue and biogas liquid is divided
From separate rear part point biogas slurry is back to pretreatment unit, and part biogas slurry and biogas residue enter bacterial manure processing unit (plant), be processed into biological bacteria
Fertilizer；
(4) biogas that reaction generates, which enters after desulfurizer carries out desulfurization dewatering, is stored in gas-holder；
(5) on the one hand in gas-holder biogas, which enters decarbonization device and carries out purification, produces cleaning biogas or carries out thermoelectricity connection
It produces, on the other hand heat can be stored in hot tank by boiler combustion, heated for CSTR reactor or pretreatment unit.
Further, the pre-treatment step is that organic waste is shredded or granulated and water is added to soften, and is added
Yeast flora, lactobacillus, high-temperature group, decomposing harmful substances while capable of accelerating anaerobic fermentation, the organic waste packet
Include slaughtering wastewater, ox, pig, feces of livestock and poultry in Ji Deng farm, agricultural crop straw etc..
Further, the CSTR reactor is run using constant temperature continuous dosing, pretreated organic waste and water
Enter reactor with the biogas slurry of reflux, by the agitating device installed in reactor, fermentation raw material and microorganism is made to be in complete
Admixture, biogas residue and biogas slurry are expelled to buffer unit from discharge gate, and biogas is expelled to desulfurizer from gas vent, wherein being catalyzed
Agent is hydrolytic bacteria, hydrolase, biological metabolism catalyst, biogas fermentation adsorbent.
Further, the CSTR temperature of reactor is 40 DEG C to 65 DEG C, reaction pressure 1Pa to 4Pa, reaction time t are as follows:
Wherein nA0The molal quantity of the material A in reactor of ----in t=0
nAThe molal quantity of the material A in reactor of ----in t
-rAThe reaction rate (rate of disappearance) of ----component A in the operating condition
xAThe conversion ratio of the material A in reactor of ----in t；
Further, the CSTR reactor feeds intake flow:
Wherein υ0--- CSTR reactor feeds intake flow
vt--- CSTR reactor discharge flow
Further, hot tank is controlled temperature at 40 DEG C to 65 DEG C by temperature controller when heating to CSTR reactor
Between.
Further, the process that biogas residue is separated with biogas slurry specifically:
A. buffer unit includes buffering pond and filtering ponds, is carried out first by buffering pond to biogas residue and biogas liquid mixture quiet
State precipitating；
B. then by upper supernatant liquid by filtering ponds, the filter opening size of opening of sieve is 50-70 mesh；
C. filtered fluid enters solid-liquid separating machine separation, and wherein solid-liquid separating machine is centrifuge；
D. biogas residue and part biogas slurry after precipitating, after filtering, after separation enter bacterial manure processing unit (plant), and the biogas slurry after separation is returned
It flow to pretreatment unit.
Further, the method that desulfurizer uses are as follows: the calcium method based on CaC03 (lime stone), based on MgO
Magnesium processes, the sodium method based on Na2S03, one kind of the ammonia process based on NH3.
Further, decarbonization device is carbon dioxide tower, and the higher biogas of DNA purity improves the safety used
Property.
The beneficial effects of the present invention are:
(1) a kind of organic waste resource utilization method of the invention feeds intake according to the flow rate calculation formula that feeds intake of the application
It can uninterrupted carry out full mixed anaerobic reaction.
(2) a kind of organic waste resource utilization method of the invention carries out separation utilization to biogas residue and biogas slurry, and biogas residue adds
For work at bio-bacterial manure, biogas slurry is back to pretreatment unit recycling, increases operation rate.
(3) a kind of organic waste resource utilization method of the invention is also utilized respectively biogas slurry, carries out to biogas
Purification improves safety, and is heated through boiler to pretreatment unit and CSTR reactor using self-produced biogas, improves reaction
Rate improves whole resource utilization.
(4) a kind of organic waste resource utilization method of the invention plays crucial work to agriculture debirs recycling
With, it protects environment and has different Land use systems to different products, raising resource utilization.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of schematic diagram of organic waste resource utilization method of the invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Combined with specific embodiments below, the contents of the present invention are described in further detail:
As shown in Figure 1, steps are as follows for a kind of organic waste resource utilization method of the invention:
(1) slaughtering wastewater, ox, pig, feces of livestock and poultry in Ji Deng farm, the organic wastes such as agricultural crop straw are as former material
Material is shredded or is granulated to organic waste and water is added to soften, and addition yeast flora, lactobacillus, high-temperature group；
(2) organic waste after pretreatment enters CSTR reactor progress high temperature anaerobic fermentation, wherein described
CSTR temperature of reactor is 40 DEG C to 65 DEG C, reaction pressure 2Pa, and catalyst is hydrolytic bacteria, hydrolase, and feed intake flow are as follows:
Wherein υ0--- CSTR reactor feeds intake flow
vt--- CSTR reactor discharge flow
Wherein reaction time t are as follows:
Wherein nA0The molal quantity of the material A in reactor of ----in t=0
nAThe molal quantity of the material A in reactor of ----in t
-rAThe reaction rate (rate of disappearance) of ----component A in the operating condition
xAThe conversion ratio of the material A in reactor of ----in t.
(3) biogas residue and biogas liquid generated is reacted into pond is static to the progress of biogas residue and biogas liquid mixture to sink by buffering first
It forms sediment, then by upper supernatant liquid by filtering ponds, wherein the filter opening size of opening of sieve is 50-70 mesh, and filtered fluid enters centrifuge progress
It separates, the biogas residue and part biogas slurry after precipitating, after filtering, after separation enter bacterial manure processing unit (plant), and the biogas slurry after separation is back to
Pretreatment unit；
(4) biogas that reaction generates enters calcium method desulfurization of the desulfurizer progress based on CaC03 (lime stone), desulfurization
After be stored in gas-holder；
(5) on the one hand the biogas in gas-holder enters decarbonization device, and decarbonization device is carbon dioxide tower, is purified
Biogas carries out cogeneration of heat and power, on the other hand heat can be stored in hot tank by boiler combustion, be reacted for CSTR
Device or pretreatment unit heat.
Claims (8)
1. a kind of organic waste resource utilization method, it is characterised in that:
(1) organic waste is collected, and is pre-processed in pretreatment unit；
(2) organic waste enter after pretreatment CSTR reactor pass through catalyst carry out high temperature anaerobic fermentation；
(3) biogas residue and biogas liquid that reaction generates enters buffer unit, enters back into solid-liquid separating machine, biogas residue and biogas liquid is separated, point
It is back to pretreatment unit from rear part biogas slurry, part biogas slurry and biogas residue enter bacterial manure processing unit (plant), be processed into bio-bacterial manure；
(4) biogas that reaction generates, which enters after desulfurizer carries out desulfurization dewatering, is stored in gas-holder；
(5) on the one hand in gas-holder biogas, which enters decarbonization device and carries out purification, produces cleaning biogas or carries out cogeneration of heat and power, separately
On the one hand heat can be stored in hot tank by boiler combustion, is heated for CSTR reactor or pretreatment unit.
2. according to the method described in claim 1, it is characterized by: the pre-treatment step be to organic waste chopping or
It is granulated and water is added to soften, and addition yeast flora, lactobacillus, high-temperature group.
3. according to the method described in claim 1, it is characterized by: the CSTR reactor using constant temperature continuous dosing run,
Pretreated organic waste and water and the biogas slurry of reflux enter reactor, the agitating device by being installed in reactor and
The effect of catalyst is in fermentation raw material and microorganism and is thoroughly mixed state, biogas residue and biogas slurry and is expelled to buffering from discharge gate
Device, biogas are expelled to desulfurizer from gas vent, and wherein catalyst is hydrolytic bacteria, hydrolase, biological metabolism catalyst, natural pond
Gas fermentation adsorbent.
4. according to the method described in claim 1, it is characterized by: the CSTR temperature of reactor be 40 DEG C to 65 DEG C, reaction
Pressure 1Pa to 4Pa, reaction time t are as follows:
Wherein nA0The molal quantity of the material A in reactor of ----in t=0
nAThe molal quantity of the material A in reactor of ----in t
-rAThe reaction rate (rate of disappearance) of ----component A in the operating condition
xAThe conversion ratio of the material A in reactor of ----in t；
The CSTR reactor feeds intake flow:
Wherein υ0--- CSTR reactor feeds intake flow
vt--- CSTR reactor discharge flow.
5. according to the method described in claim 1, it is characterized by: the hot tank is when heating CSTR reactor by temperature
Controller controls temperature between 40 DEG C to 65 DEG C.
6. according to the method described in claim 1, it is characterized by: the process that biogas residue is separated with biogas slurry specifically:
A. buffer unit includes buffering pond and filtering ponds, and it is static heavy to be carried out first by buffering pond to biogas residue and biogas liquid mixture
It forms sediment；
B. then by upper supernatant liquid by filtering ponds, the filter opening size of opening of sieve is 50-70 mesh；
C. filtered fluid enters solid-liquid separating machine separation, and wherein solid-liquid separating machine is centrifuge；
D. biogas residue and part biogas slurry after precipitating, after filtering, after separation enter bacterial manure processing unit (plant), and the biogas slurry after separation is back to
Pretreatment unit.
7. according to the method described in claim 1, it is characterized by: the method that the desulfurizer uses are as follows: with CaCO3 (stone
Lime stone) based on calcium method, the magnesium processes based on MgO, the sodium method based on Na2SO3, ammonia process based on NH3
It is a kind of.
8. according to the method described in claim 1, extraction is pure it is characterized by: the decarbonization device is carbon dioxide tower
Spend higher biogas.
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| CN201910504183.3A CN110195082A (en) | 2019-06-11 | 2019-06-11 | A kind of organic waste resource utilization method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111777274A (en) * | 2020-07-11 | 2020-10-16 | 武倩 | Biogas utilization method and system for wastewater treatment |
| CN111979103A (en) * | 2020-08-21 | 2020-11-24 | 浙江天地环保科技股份有限公司 | Biogas slurry pyrohydrolysis waste gas recovery system and method |
| CN116622482A (en) * | 2023-04-21 | 2023-08-22 | 中国联合工程有限公司 | Agriculture and forestry waste cooperative resource utilization system and working method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19615551A1 (en) * | 1996-04-19 | 1996-12-05 | Ingan Gmbh Ingenieurbetrieb Fu | Anaerobically treating wide range of waste biomass materials |
| CN101637778A (en) * | 2009-08-25 | 2010-02-03 | 云南昆船设计研究院 | Comprehensive processing technology of organic wastes |
| CN104774751A (en) * | 2015-02-04 | 2015-07-15 | 优思克（北京）生物能源科技有限公司 | Efficient continuous treatment system of livestock and poultry organic wastes, and treatment method thereof |
| CN106978449A (en) * | 2017-04-10 | 2017-07-25 | 中石化南京工程有限公司 | A kind of organic waste anaerobic dry fermentation produces the method and system of bio-natural gas |
-
2019
- 2019-06-11 CN CN201910504183.3A patent/CN110195082A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19615551A1 (en) * | 1996-04-19 | 1996-12-05 | Ingan Gmbh Ingenieurbetrieb Fu | Anaerobically treating wide range of waste biomass materials |
| CN101637778A (en) * | 2009-08-25 | 2010-02-03 | 云南昆船设计研究院 | Comprehensive processing technology of organic wastes |
| CN104774751A (en) * | 2015-02-04 | 2015-07-15 | 优思克（北京）生物能源科技有限公司 | Efficient continuous treatment system of livestock and poultry organic wastes, and treatment method thereof |
| CN106978449A (en) * | 2017-04-10 | 2017-07-25 | 中石化南京工程有限公司 | A kind of organic waste anaerobic dry fermentation produces the method and system of bio-natural gas |
Non-Patent Citations (1)
| Title |
|---|
| 傅启民: "《化学工程》", 30 June 1992 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111777274A (en) * | 2020-07-11 | 2020-10-16 | 武倩 | Biogas utilization method and system for wastewater treatment |
| CN111979103A (en) * | 2020-08-21 | 2020-11-24 | 浙江天地环保科技股份有限公司 | Biogas slurry pyrohydrolysis waste gas recovery system and method |
| CN116622482A (en) * | 2023-04-21 | 2023-08-22 | 中国联合工程有限公司 | Agriculture and forestry waste cooperative resource utilization system and working method thereof |
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Application publication date: 20190903 |