CN102154373A - Treatment method of itaconic acid waste residue - Google Patents
Treatment method of itaconic acid waste residue Download PDFInfo
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- CN102154373A CN102154373A CN2010106170671A CN201010617067A CN102154373A CN 102154373 A CN102154373 A CN 102154373A CN 2010106170671 A CN2010106170671 A CN 2010106170671A CN 201010617067 A CN201010617067 A CN 201010617067A CN 102154373 A CN102154373 A CN 102154373A
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- methylene
- waste residue
- succinic acid
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- 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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Abstract
The invention discloses a treatment method of itaconic acid waste residue, which comprises the following steps: abundantly mixing itaconic acid waste residue with industrial waste water in proportion, adjusting the PH value, the chemic oxygen requirement and the temperature of mixture, and remaining for 24 hours to obtain mixed solution; and performing the anaerobic digestion on the mixed solution to obtain methane gas and methane residue. The treatment method is used for performing the anaerobic digestion on the taconic acid waste residue and abundantly decomposing the taconic acid waste residue under a certain condition to obtain the methane gas and the methane residue. The methane gas can be further used for electricity generation, boiler combustion and the like, and the methane residue can be further treated to be an organic fertilizer, therefore, the cyclic utilization of the resource is realized, the energy sources are saved, the pollution is reduced, the environmental benefit and the social benefit are good, and the use ratio of the itaconic acid waste residue is greatly improved.
Description
Technical field
The present invention relates to a kind of method of utilizing the methylene-succinic acid waste residue to produce biogas, relate in particular to a kind of treatment process of methylene-succinic acid waste residue.
Background technology
Methylene-succinic acid is the wider binary unsaturated organic acid of a kind of purposes, and nature exists less, nowadays how to prepare with fermentation method.In process of production, produced methylene-succinic acid waste residues such as a large amount of methylene-succinic acid albumen slags, methylene-succinic acid mycelium, this class material contaminative is stronger, can not directly abandon, otherwise can cause serious pollution.Also do not fully utilize at present the technology of methylene-succinic acid waste residue, this shows that prior art needs further improvement and develops.
Summary of the invention
The present invention provides a kind of treatment process of methylene-succinic acid waste residue for solving the defective that exists in the prior art, and the methylene-succinic acid waste residue is carried out scientific and reasonable processing, to improve the utilization ratio of methylene-succinic acid waste residue.
In order to solve the problems of the technologies described above, the present invention program comprises:
A kind of treatment process of methylene-succinic acid waste residue, it may further comprise the steps:
A, with methylene-succinic acid waste residue and industrial sewage thorough mixing in proportion, and regulate its Ph value, chemical oxygen demand (COD), temperature, keep somewhere twenty four hours, obtain mixing solutions;
B, above-mentioned mixing solutions is carried out anaerobically fermenting, obtain biogas and natural pond slag.
Described treatment process, wherein, the mass ratio of methylene-succinic acid waste residue and trade effluent is 1: 1 among the above-mentioned steps A, and the Ph value is 5-7, and chemical oxygen demand (COD) is 80000mg/L-160000mg/L, and temperature is 30 ℃-35 ℃.
Described treatment process, wherein, mixing solutions carried out anaerobically fermenting 30 days among the above-mentioned steps B, and the temperature of anaerobically fermenting is 30 ℃-35 ℃.
Described treatment process, wherein, above-mentioned methylene-succinic acid waste residue is methylene-succinic acid mycelium, methylene-succinic acid albumen slag or both mixtures.
Described treatment process, wherein, the biogas that obtains among the above-mentioned steps B is stored in the gas holder after handling through steam separator dehydration, thionizer desulfurization successively.
Described treatment process, wherein, the natural pond slag that obtains among the above-mentioned steps B separates through solid-liquid separating machine, obtains natural pond liquid and dehydration natural pond slag, and natural pond liquid is recovered in the mixed solution in the steps A.
Described treatment process, wherein, above-mentioned steps A carries out in wastewater equalization pond, and described step B carries out in anaerobic reactor.
The treatment process of a kind of methylene-succinic acid waste residue provided by the invention, the methylene-succinic acid waste residue is carried out anaerobism place fermentative processing under certain condition, the methylene-succinic acid waste residue is fully decomposed, obtain biogas and natural pond slag, biogas can be further used for generating, boiler combustion etc., the natural pond slag can further be treated to organic fertilizer, realize the resource circulation utilization, saved the energy, reduced pollution, have good benefits in environment and social benefit, increased substantially the utilization ratio of methylene-succinic acid waste residue.
Description of drawings
Fig. 1 is the general flow chart of methylene-succinic acid waste residue treatment process among the present invention.
Embodiment
The invention provides a kind of treatment process of methylene-succinic acid waste residue, clearer, clear and definite in order to make purpose of the present invention, technical scheme and advantage, below with reference to accompanying drawing and embodiment, the present invention is described in more detail.
The invention provides a kind of treatment process of methylene-succinic acid waste residue, the methylene-succinic acid waste residue is handled with carrying out anaerobically fermenting after trade effluent mixes, obtain biogas and natural pond slag, improved the utilization ratio of methylene-succinic acid waste residue.As shown in Figure 1, it mainly may further comprise the steps:
A, with methylene-succinic acid waste residue and industrial sewage thorough mixing in proportion, and regulate its Ph value, chemical oxygen demand (COD), temperature, keep somewhere twenty four hours, obtain mixing solutions;
B, above-mentioned mixing solutions is carried out anaerobically fermenting, obtain biogas and natural pond slag;
C, the biogas that obtains among the step b is stored in the gas holder after handling through steam separator dehydration, thionizer desulfurization successively, is used for generating, boiler combustion etc.;
D, the natural pond slag that obtains among the step b is separated through solid-liquid separating machine, obtain natural pond liquid and dehydration natural pond slag, natural pond liquid is recovered to the mixed solution among the step a, and dehydration natural pond slag is used to make organic fertilizer.
The mass ratio of methylene-succinic acid waste residue and trade effluent is 1: 1 among the above-mentioned steps a, and the Ph value is 5-7, and chemical oxygen demand (COD) is 80000mg/L-160000mg/L, and temperature is 30 ℃-35 ℃.
Mixing solutions carried out anaerobically fermenting 30 days among the above-mentioned steps b, and the temperature of anaerobically fermenting is 30 ℃-35 ℃.
Above-mentioned methylene-succinic acid waste residue is methylene-succinic acid mycelium, methylene-succinic acid albumen slag or both mixtures.
Above-mentioned steps a carries out in wastewater equalization pond, and described step b carries out in anaerobic reactor.
By above description as can be known, the methylene-succinic acid waste residue is carried out anaerobically fermenting under certain condition handle, the biogas that obtains is used for fields such as generating, boiler combustion, has realized the resource circulation utilization, the natural pond slag that obtains can be made as organic fertilizer, has improved the utilization ratio of methylene-succinic acid waste residue.
Embodiment 1
The thorough mixing in wastewater equalization pond with 1000 kilograms of methylene-succinic acid albumen slags and 1000 kilograms of trade effluents, in the Ph value is 6, temperature is under 32 ℃ of conditions, stopping in wastewater equalization pond and forming chemical oxygen demand (COD) in 24 hours is the mixing solutions of 160000mg/L, so this mixing solutions is injected continuously stirring formula anaerobic reactor, 35 ℃ of condition bottom fermentations 30 days, obtain biogas and natural pond slag, biogas is entered steam separator remove water of condensation behind liquid packing, enter thionizer then and slough hydrogen sulfide, prevent that follow-up unit is corroded, dry, biogas after the desulfurization enters the biogas cabinet, enters the biogas generator generating through spark arrester, also biogas can be used for boiler combustion; Natural pond slag solid-liquid separating machine is separated, obtain natural pond liquid and dehydration natural pond slag, natural pond liquid is recovered in the above-mentioned mixing solutions, and dehydration natural pond slag is used to make organic fertilizer.Realized the recycle of methylene-succinic acid albumen slag, improved the utilization ratio of methylene-succinic acid albumen slag, the utilization ratio that makes methylene-succinic acid albumen slag is 85%-95%.Condition in certain above-mentioned flow process can be adjusted in suitable scope, and such as being 5 or 7 in the Ph value, temperature can be 30 ℃, 31 ℃, 33 ℃, 34 ℃ or 35 ℃, and chemical oxygen demand (COD) can be 140000mg/L.
Embodiment 2
The thorough mixing in wastewater equalization pond with 3500 kilograms of methylene-succinic acid mycelium and 3500 kilograms of trade effluents, in the Ph value is 7, temperature is under 35 ℃ of conditions, stopping in wastewater equalization pond and forming chemical oxygen demand (COD) in 24 hours is the mixing solutions of 80000mg/L, so this mixing solutions is injected continuously stirring formula anaerobic reactor, 33 ℃ of condition bottom fermentations 30 days, obtain biogas and natural pond slag, biogas is entered steam separator remove water of condensation behind liquid packing, enter thionizer then and slough hydrogen sulfide, prevent that follow-up unit is corroded, dry, biogas after the desulfurization enters the biogas cabinet, enters the biogas generator generating through spark arrester, also biogas can be used for boiler combustion; Natural pond slag solid-liquid separating machine is separated, obtain natural pond liquid and dehydration natural pond slag, natural pond liquid is recovered in the above-mentioned mixing solutions, and dehydration natural pond slag is used to make organic fertilizer.Realized the mycelial recycle of methylene-succinic acid, improved the mycelial utilization ratio of methylene-succinic acid, making the mycelial utilization ratio of methylene-succinic acid is 90%-96%.Condition in certain above-mentioned flow process can be adjusted in suitable scope, and such as being 6 or 7 in the Ph value, temperature can be 30 ℃, 31 ℃, 32 ℃, 33 ℃ or 34 ℃, and chemical oxygen demand (COD) can be 90000mg/L.
The biogas that obtains can also be used for boiler combustion in embodiment 1 and embodiment 2 is wastewater equalization pond, the heat supply of continuously stirring formula anaerobic reactor, to keep the temperature of mixed solution, has further improved the utilization ratio of methylene-succinic acid albumen slag.
Should be understood that; above-mentioned description at preferred embodiment is comparatively detailed; can not therefore think restriction to scope of patent protection of the present invention; those of ordinary skill in the art is under enlightenment of the present invention; do not breaking away under the scope situation that claim of the present invention protects; can also make various deformation such as replacement, simple combination, these all fall within protection scope of the present invention, and the scope of asking for protection of the present invention should be as the criterion with claims.
Claims (7)
1. the treatment process of a methylene-succinic acid waste residue, it may further comprise the steps:
A, with methylene-succinic acid waste residue and industrial sewage thorough mixing in proportion, and regulate its Ph value, chemical oxygen demand (COD), temperature, keep somewhere twenty four hours, obtain mixing solutions;
B, above-mentioned mixing solutions is carried out anaerobically fermenting, obtain biogas and natural pond slag.
2. treatment process according to claim 1 is characterized in that: the mass ratio of methylene-succinic acid waste residue and trade effluent is 1: 1 among the above-mentioned steps A, and the Ph value is 5-7, and chemical oxygen demand (COD) is 80000mg/L-160000mg/L, and temperature is 30 ℃-35 ℃.
3. treatment process according to claim 1 is characterized in that: mixing solutions carried out anaerobically fermenting 30 days among the above-mentioned steps B, and the temperature of anaerobically fermenting is 30 ℃-35 ℃.
4. according to the described treatment process of claim 1 to 3, it is characterized in that: above-mentioned methylene-succinic acid waste residue is methylene-succinic acid mycelium, methylene-succinic acid albumen slag or both mixtures.
5. treatment process according to claim 4 is characterized in that: the biogas that obtains among the above-mentioned steps B is stored in the gas holder after handling through steam separator dehydration, thionizer desulfurization successively.
6. treatment process according to claim 5 is characterized in that: the natural pond slag that obtains among the above-mentioned steps B separates through solid-liquid separating machine, obtains natural pond liquid and dehydration natural pond slag, and natural pond liquid is recovered in the mixed solution in the steps A.
7. treatment process according to claim 6 is characterized in that: above-mentioned steps A carries out in wastewater equalization pond, and described step B carries out in anaerobic reactor.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102586333A (en) * | 2012-01-16 | 2012-07-18 | 北京化工大学 | Method for improving straw methane yield and reducing methane liquid by methane liquid circulation |
| CN103254019A (en) * | 2013-05-16 | 2013-08-21 | 辽宁普天科技有限公司 | Method for preparing soil conditioner by using ultrafiltration egg white dregs |
| CN105174621A (en) * | 2015-09-16 | 2015-12-23 | 杭州鼎隆环保科技有限公司 | System and method for treating wastewater by applying activated sludge |
| CN105174622A (en) * | 2015-09-16 | 2015-12-23 | 杭州鼎隆环保科技有限公司 | System and method suitable for treating high concentration organic wastewater |
| CN110482816A (en) * | 2019-08-29 | 2019-11-22 | 合肥徽锐工程科技有限公司 | A kind of dewatered sludge dry fermentation processing unit and method |
| CN112676318A (en) * | 2021-01-04 | 2021-04-20 | 尹海 | Resource utilization method for household garbage |
-
2010
- 2010-12-23 CN CN201010617067.1A patent/CN102154373B/en active Active
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| 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 20090215 王海新 从废母液中提取衣康酸技术的研究 B027-211 , 第2期 * |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102586333A (en) * | 2012-01-16 | 2012-07-18 | 北京化工大学 | Method for improving straw methane yield and reducing methane liquid by methane liquid circulation |
| CN102586333B (en) * | 2012-01-16 | 2016-03-30 | 北京化工大学 | A kind of method being improved stalk marsh gas output and reduction of discharging natural pond liquid by the circulation of natural pond liquid |
| CN103254019A (en) * | 2013-05-16 | 2013-08-21 | 辽宁普天科技有限公司 | Method for preparing soil conditioner by using ultrafiltration egg white dregs |
| CN103254019B (en) * | 2013-05-16 | 2015-02-18 | 辽宁普天科技有限公司 | Method for preparing soil conditioner by using ultrafiltration egg white dregs |
| CN105174621A (en) * | 2015-09-16 | 2015-12-23 | 杭州鼎隆环保科技有限公司 | System and method for treating wastewater by applying activated sludge |
| CN105174622A (en) * | 2015-09-16 | 2015-12-23 | 杭州鼎隆环保科技有限公司 | System and method suitable for treating high concentration organic wastewater |
| CN110482816A (en) * | 2019-08-29 | 2019-11-22 | 合肥徽锐工程科技有限公司 | A kind of dewatered sludge dry fermentation processing unit and method |
| CN110482816B (en) * | 2019-08-29 | 2022-02-22 | 合肥徽锐工程科技有限公司 | Dehydrated sludge dry fermentation treatment device and method |
| CN112676318A (en) * | 2021-01-04 | 2021-04-20 | 尹海 | Resource utilization method for household garbage |
| CN112676318B (en) * | 2021-01-04 | 2022-04-19 | 尹海 | Resource utilization method for household garbage |
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| CN102154373B (en) | 2014-07-09 |
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