CN103332831A - Comprehensive erythromycin thiocyanate mushroom dreg waste water disposal system and method - Google Patents
Comprehensive erythromycin thiocyanate mushroom dreg waste water disposal system and method Download PDFInfo
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- CN103332831A CN103332831A CN201310302461XA CN201310302461A CN103332831A CN 103332831 A CN103332831 A CN 103332831A CN 201310302461X A CN201310302461X A CN 201310302461XA CN 201310302461 A CN201310302461 A CN 201310302461A CN 103332831 A CN103332831 A CN 103332831A
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Abstract
The invention discloses a comprehensive erythromycin thiocyanate mushroom dreg waste water disposal system which comprises a pretreatment unit, a hydrolytic acidification unit, an anaerobic treatment unit and an aerobic treatment unit, which are connected in sequence, wherein the pretreatment unit comprises a regulating tank, the water inlet of the regulating tank is communicated with a water-collecting well for collecting the mushroom dreg waste water, the hydrolytic acidification unit comprises a hydrolytic acidification tank, the anaerobic treatment unit is a high-efficiency anaerobic reactor, the aerobic treatment unit comprises a first-class contact oxidation tank and a second-class contact oxidation tank which are connected in series, the first-class contact oxidation tank is connected with the second-class contact oxidation tank sequentially via a medium sedimentation tank and a Fenton reaction tank, the second-class contact oxidation tank is connected with a secondary sedimentation tank, the secondary sedimentation tank is provided with two outlets, the two outlets are communicated with a liquid supernatant pipeline and a sludge thickener respectively, and the bottom of the medium sedimentation tank is communicated with the sludge thickener. The treatment method disclosed by the invention is low in energy consumption and investment, high in efficiency and steady and reliable in treatment effect.
Description
Technical field
The present invention relates to a kind of total system and method for Matachrom bacterium slag waste water.
Background technology
Country forbids that antibiotic bacterium dregs is used as animal-feed at present, and lists it in Hazardous wastes, and antibiotic bacterium dregs has become the important factor of restriction enterprise development, so the comprehensive exploitation antibiotic bacterium dregs is that enterprise realizes pressing for of Sustainable development.
Microbiotic mycelia waste residue is the waste of production of antibiotics enterprise in producing the microbiotic process.China's microbiotic byproduct bacterium slag reaches more than 1,800,000 tons every year, because it is nutritious, crude protein content is on average more than 40%, and various indispensable amino acids, VITAMIN and micronutrient levels are abundant balanced, are the fabulous raw materials that biological synthesis utilizes.The substrate of antibiotic bacterium dregs mainly is made up of soybean, peanut cake, zein, starch etc., and organic content is higher, can cause Secondary Fermentation, and the color blackening produces foul smell, has a strong impact on environment.At present, the domestic antibiotic bacterium dregs of having carried out has all obtained comparatively satisfied effect as the research of high protein feed and organic fertilizer.But, residual a small amount of microbiotic and degraded product enrichment in animal body thereof in the bacterium slag, and then can have influence on and humanly itself produce resistance, thereby the bacterium slag is queried as the possibility of animal-feed.
Traditional bacterium slag waste water treatment process is that bacterium slag waste water is introduced surge tank, and through the dehydration of dehydration machine room, mud cake directly burns then, and water outlet enters follow-up sewage disposal device.Solid matter content is very high in the bacterium slag waste water, and this technology produces a large amount of mud, and contains SO in the sludge incineration flue gas
2, a large amount of objectionable impuritiess, particularly sulfurous gas severe overweight wherein such as NOx, CO, Hg, Dioxins, will not pollute environment if reasonably do not handle.
Summary of the invention
The objective of the invention is for overcoming above-mentioned the deficiencies in the prior art, a kind of total system and method for Matachrom bacterium slag waste water is provided.
For achieving the above object, the present invention adopts following technical proposals:
A kind of total system of Matachrom bacterium slag waste water comprises the pretreatment unit, acidication unit, anaerobic treatment unit and the aerobic treatment unit that connect successively; Described pretreatment unit comprises equalizing tank, the feed-water end of described equalizing tank is communicated with the pump well of collecting bacterium slag waste water, described acidication unit comprises hydrolysis acidification pool, described anaerobic treatment unit is high efficiency anaerobic reactor, and described aerobic treatment unit comprises one-level contact-oxidation pool and the two-stage biological contact oxidation pond of series connection; Wherein, described one-level contact-oxidation pool is connected with the two-stage biological contact oxidation pond through medium sediment pool, Fenton's reaction pond successively, described two-stage biological contact oxidation pond is connected with second pond, described second pond is provided with two outlets, be communicated with supernatant liquor pipeline and sludge thickener respectively, the bottom of described medium sediment pool also is communicated with sludge thickener.
Be provided with the ozone oxidation pond between described equalizing tank and the hydrolysis acidification pool, be provided with distributing well between described hydrolysis acidification pool and the high efficiency anaerobic reactor, and distributing well is communicated with water back, the exit end of described high efficiency anaerobic reactor is connected with the liquid packing of storing biogas.
Be provided with vertical sedimentation tank between described high efficiency anaerobic reactor and the one-level contact-oxidation pool, the bottom of described vertical sedimentation tank is communicated with sludge thickener.
Described sludge thickener is connected with sludge dewatering equipment.
The treatment process of the total system of above-mentioned a kind of Matachrom bacterium slag waste water, concrete steps are as follows:
1) pre-treatment: bacterium slag waste water is collected through pump well earlier and is entered equalizing tank, carries out ozone Oxidation Treatment then;
2) pretreated bacterium slag waste water is hydrolyzed acidification is removed the macromole hardly degraded organic substance;
3) carry out anaerobic treatment;
4) carry out the processing of two-stage catalytic oxidation and Fenton and handle, with the organism in the aerobic degradation bacterium slag waste water.
In the described step 1), waste water is regulated water quality and quantity through equalizing tank, guarantee pipeline and postorder structures works better, be not subjected to the peak flow of waste water and the influence of concentration, it is relatively stable to guarantee that waste water enters water quality and the water yield of postorder structures, and what be convenient to carry out a biological disposal upon is stable, the water outlet of equalizing tank enters the ozone oxidation pond, the required enzyme of the ozone energy inner glucose of oxygenolysis bacterium makes bacteria inactivation death, has effectively eliminated the toxic substance in the waste water.
In the described step 3), after the waste water after the anaerobic treatment entered the vertical sedimentation tank processing, mud entered sludge thickener, and the processing of step 4) is carried out in water outlet.
In the described step 3), the biogas that anaerobically fermenting produces enters liquid packing and stores, and biogas is used for generating after removing hydrogen sulfide through bio-desulfurization device.
In the described step 4), after the one-level catalytic oxidation is handled, enter medium sediment pool, the mud of medium sediment pool enters sludge thickener, water outlet enters the Fenton's reaction pond and carries out the Fenton processing, enter second pond afterwards and realize mud-water separation after two-stage biological contact oxidation is handled, mud enters sludge thickener, the supernatant liquor qualified discharge.That is to say that water outlet is handled through the two-stage catalytic oxidation and removed most of organism and ammonia nitrogen, Fenton is handled the organism of removing difficult degradation and is realized the decolouring of waste water and remove stench, thereby removes thiocyanate ion, COD and ammonia nitrogen in the bacterium slag waste water.
Mud in the described sludge thickener is after processed, and mud cake is transported outward.
The invention has the beneficial effects as follows:
Bacterium slag waste water enters equalizing tank after pump well is collected, go into the hydrolysis acidification pool through ozone oxidation pond bacteria inactivation is laggard, through distributing well, waste water enters high efficiency anaerobic reactor, handle by the processing of two-stage catalytic oxidation, Fenton successively then, remove thiocyanate ion, COD and ammonia nitrogen in the waste water.The present invention adopts the biological treatment of " pre-treatment+acidication+efficient anaerobic processing+aerobic treatment+Fenton is handled " combination, advantages such as high efficiency anaerobic reactor can make the bacterium slag all carry out biogas fermentation and handle, and treatment capacity is big, product biogas amount is many, be convenient to management, easily start, working cost is low.The treatment process energy consumption is low, reduced investment, efficient height, treatment effect are reliable and stable.The present invention removes in the waste water 80%～90% bacterium slag by high efficiency anaerobic reactor through fermentation reaction, and produces a large amount of biogas, can network for generating, handles thiocyanate ion, COD and the ammonia nitrogen of removing in the bacterium slag waste water through the two-stage catalytic oxidation.Specific as follows:
1. the acidication after product is micromolecular organism, has improved biodegradability, reduces the energy consumption of reaction times and processing; Water outlet does not have the unpleasant odor of anaerobically fermenting, has improved the environment of handling;
2. high efficiency anaerobic reactor can make the bacterium slag all carry out biogas fermentation to handle, and treatment capacity is big, it is many to produce the biogas amount, is convenient to management, easily starts, working cost is low.
Description of drawings
Fig. 1 is structure drawing of device of the present invention;
Fig. 2 is process flow sheet of the present invention;
Wherein, 1. pump well, 2. equalizing tank, 3. ozone oxidation pond, 4. hydrolysis acidification pool, 5. distributing well, 6. high efficiency anaerobic reactor, 7. vertical sedimentation tank, 8. one-level contact-oxidation pool, 9. medium sediment pool, 10. Fenton's reaction pond, 11. two-stage biological contact oxidation ponds, 12. second pond, 13. sludge thickener, 14. sludge dewatering equipments, 15. liquid packings.
Embodiment
The present invention will be further elaborated below in conjunction with drawings and Examples, should be noted that following explanation only is in order to explain the present invention, its content not to be limited.
As shown in Figure 1, total system of the present invention comprises the pretreatment unit, acidication unit, anaerobic treatment unit and the aerobic treatment unit that connect successively; Pretreatment unit comprises equalizing tank 2, the feed-water end of equalizing tank 2 is communicated with the pump well 1 of collecting bacterium slag waste water, the acidication unit comprises hydrolysis acidification pool 4, the anaerobic treatment unit is high efficiency anaerobic reactor 6, and the aerobic treatment unit comprises one-level contact-oxidation pool 8 and the two-stage biological contact oxidation pond 11 of series connection; Wherein, one-level contact-oxidation pool 8 is connected with two-stage biological contact oxidation pond 11 through medium sediment pool 9, Fenton's reaction pond 10 successively, two-stage biological contact oxidation pond 11 is connected with second pond 12, second pond 12 is provided with two outlets, be communicated with supernatant liquor pipeline and sludge thickener 13 respectively, the bottom of medium sediment pool 9 also is communicated with sludge thickener 13.
Be provided with ozone oxidation pond 3 between equalizing tank 2 and the hydrolysis acidification pool 4, be provided with distributing well 5 between hydrolysis acidification pool 4 and the high efficiency anaerobic reactor 6, and distributing well 5 is communicated with water back, the exit end of high efficiency anaerobic reactor 6 is connected with the liquid packing 15 of storing biogas.
Be provided with vertical sedimentation tank 7 between high efficiency anaerobic reactor 6 and the one-level contact-oxidation pool 8, the bottom of vertical sedimentation tank 7 is communicated with sludge thickener 13.
As shown in Figure 2, the treatment process of the total system of above-mentioned a kind of Matachrom bacterium slag waste water, concrete steps are as follows:
1) pre-treatment: bacterium slag waste water is collected through pump well 1 earlier and is entered equalizing tank 2, carries out ozone Oxidation Treatment then;
2) pretreated bacterium slag waste water is hydrolyzed acidification is removed the macromole hardly degraded organic substance;
3) carry out anaerobic treatment;
4) carry out the processing of two-stage catalytic oxidation and Fenton and handle, with the organism in the aerobic degradation bacterium slag waste water.
In the described step 1), waste water is regulated water quality and quantity through equalizing tank 2, guarantee pipeline and postorder structures works better, be not subjected to the peak flow of waste water and the influence of concentration, it is relatively stable to guarantee that waste water enters water quality and the water yield of postorder structures, and what be convenient to carry out a biological disposal upon is stable, the water outlet of equalizing tank 2 enters ozone oxidation pond 3, the required enzyme of the ozone energy inner glucose of oxygenolysis bacterium makes bacteria inactivation death, has effectively eliminated the toxic substance in the waste water.
In the described step 3), after the waste water after the anaerobic treatment entered vertical sedimentation tank 7 processing, mud entered sludge thickener 13, and the processing of step 4) is carried out in water outlet.
In the described step 3), the biogas that anaerobically fermenting produces enters liquid packing 15 and stores, and biogas is used for generating after removing hydrogen sulfide through bio-desulfurization device.
In the described step 4), after the one-level catalytic oxidation is handled, enter medium sediment pool 9, the mud of medium sediment pool 9 enters sludge thickener 13, water outlet enters Fenton's reaction pond 10 and carries out the Fenton processing, enter second pond 12 afterwards and realize mud-water separation after two-stage biological contact oxidation is handled, mud enters sludge thickener 13, the supernatant liquor qualified discharge.That is to say that water outlet is handled through the two-stage catalytic oxidation and removed most of organism and ammonia nitrogen, Fenton is handled the organism of removing difficult degradation and is realized the decolouring of waste water and remove stench, thereby removes thiocyanate ion, COD and ammonia nitrogen in the bacterium slag waste water.
Mud in the sludge thickener 13 is after processed, and mud cake is transported outward.
The test example
Bacterium slag waste water of the present invention is behind high efficiency anaerobic reactor, and the bacterium slag will be converted into biogas, and transformation efficiency reaches more than 90%.Certain engineering Matachrom bacterium slag waste water 700m
3, COD content be 80000mg/L to 100000mg/L, suspended solid (SS) content is 25 tons to 50 tons; COD can reach below the 1000mg/L through this technology water outlet, and SS is less than 100mg/L.
Though above-mentionedly by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (9)
1. the total system of a Matachrom bacterium slag waste water is characterized in that, comprises the pretreatment unit, acidication unit, anaerobic treatment unit and the aerobic treatment unit that connect successively; Described pretreatment unit comprises equalizing tank, the feed-water end of described equalizing tank is communicated with the pump well of collecting bacterium slag waste water, described acidication unit comprises hydrolysis acidification pool, described anaerobic treatment unit is high efficiency anaerobic reactor, and described aerobic treatment unit comprises one-level contact-oxidation pool and the two-stage biological contact oxidation pond of series connection; Wherein, described one-level contact-oxidation pool is connected with the two-stage biological contact oxidation pond through medium sediment pool, Fenton's reaction pond successively, described two-stage biological contact oxidation pond is connected with second pond, described second pond is provided with two outlets, be communicated with supernatant liquor pipeline and sludge thickener respectively, the bottom of described medium sediment pool also is communicated with sludge thickener.
2. the total system of a kind of Matachrom bacterium slag waste water according to claim 1, it is characterized in that, be provided with the ozone oxidation pond between described equalizing tank and the hydrolysis acidification pool, be provided with distributing well between described hydrolysis acidification pool and the high efficiency anaerobic reactor, and distributing well is communicated with water back, and the exit end of described high efficiency anaerobic reactor is connected with the liquid packing of storing biogas.
3. the total system of a kind of Matachrom bacterium slag waste water according to claim 1 and 2, it is characterized in that, be provided with vertical sedimentation tank between described high efficiency anaerobic reactor and the one-level contact-oxidation pool, the bottom of described vertical sedimentation tank is communicated with sludge thickener.
4. the total system of a kind of Matachrom bacterium slag waste water according to claim 3 is characterized in that described sludge thickener is connected with sludge dewatering equipment.
5. the treatment process of the total system of the described a kind of Matachrom bacterium slag waste water of claim 1 is characterized in that concrete steps are as follows:
1) pre-treatment: bacterium slag waste water is collected through pump well earlier and is entered equalizing tank, carries out ozone Oxidation Treatment then;
2) pretreated bacterium slag waste water is hydrolyzed acidification is removed the macromole hardly degraded organic substance;
3) carry out anaerobic treatment;
4) carry out the processing of two-stage catalytic oxidation and Fenton and handle, with the organism in the aerobic degradation bacterium slag waste water.
6. treatment process according to claim 5 is, it is characterized in that, in the described step 3), after the waste water after the anaerobic treatment entered the vertical sedimentation tank processing, mud entered sludge thickener, and the processing of step 4) is carried out in water outlet.
7. according to claim 5 or 6 described treatment processs be, it is characterized in that in the described step 3), the biogas that anaerobically fermenting produces enters liquid packing and stores, biogas is used for generating after removing hydrogen sulfide through bio-desulfurization device.
8. according to claim 5 or 6 described treatment processs be, it is characterized in that, in the described step 4), the one-level catalytic oxidation enters medium sediment pool after handling, and the mud of medium sediment pool enters sludge thickener, water outlet enters the Fenton's reaction pond and carries out the Fenton processing, enter second pond afterwards and realize mud-water separation after two-stage biological contact oxidation is handled, mud enters sludge thickener, the supernatant liquor qualified discharge.
9. treatment process according to claim 8 is, it is characterized in that, the mud in the described sludge thickener is after processed, and mud cake is transported outward.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104212840A (en) * | 2014-09-03 | 2014-12-17 | 李海松 | Treatment method of antibiotic fermenting bacterial residues |
| CN104593433A (en) * | 2015-01-14 | 2015-05-06 | 郑州大学 | Method and equipment for treating antibiotic mycelium residues |
| CN105036331A (en) * | 2015-07-06 | 2015-11-11 | 中国电建集团贵阳勘测设计研究院有限公司 | Northwest low-temperature region wastewater treatment method, and device thereof |
| CN105923888A (en) * | 2016-04-21 | 2016-09-07 | 凯天环保科技股份有限公司 | Method for advanced treatment of antibiotic waste water by combination of Fenton oxidation and MBR |
| CN107162318A (en) * | 2017-05-22 | 2017-09-15 | 武汉泰昌源环保科技有限公司 | A kind of high concentration, the organic pharmacy wastewater treatment device of difficult degradation and processing method |
| CN107304093A (en) * | 2016-04-25 | 2017-10-31 | 江苏德邦工程有限公司 | Containing formaldehyde, the integrated deep treatment method of methanol waste water and processing unit |
| CN107522525A (en) * | 2017-09-21 | 2017-12-29 | 哈尔滨工业大学 | A kind of method for producing organic fertilizer using ozone processing antibiotic bacterium dregs |
| CN107963719A (en) * | 2017-11-28 | 2018-04-27 | 贵州锦丰矿业有限公司 | A kind of processing unit and method of high concentration rhodanate waste water |
| CN108147625A (en) * | 2018-01-25 | 2018-06-12 | 河北昊源环境工程有限公司 | The preprocess method and pretreatment system of medication chemistry hc effluent |
| CN110698255A (en) * | 2019-11-29 | 2020-01-17 | 宁夏启元药业有限公司 | Organic fertilizer produced by using vitamin fermentation waste and preparation method thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104212840B (en) * | 2014-09-03 | 2017-12-12 | 郑州大学 | A kind of processing method of antibiotic fermentation bacteria residue |
| CN104212840A (en) * | 2014-09-03 | 2014-12-17 | 李海松 | Treatment method of antibiotic fermenting bacterial residues |
| CN104593433A (en) * | 2015-01-14 | 2015-05-06 | 郑州大学 | Method and equipment for treating antibiotic mycelium residues |
| CN104593433B (en) * | 2015-01-14 | 2018-07-17 | 郑州大学 | A kind of antibiotic bacterium dregs processing method and equipment |
| CN105036331A (en) * | 2015-07-06 | 2015-11-11 | 中国电建集团贵阳勘测设计研究院有限公司 | Northwest low-temperature region wastewater treatment method, and device thereof |
| CN105923888A (en) * | 2016-04-21 | 2016-09-07 | 凯天环保科技股份有限公司 | Method for advanced treatment of antibiotic waste water by combination of Fenton oxidation and MBR |
| CN105923888B (en) * | 2016-04-21 | 2018-10-19 | 航天凯天环保科技股份有限公司 | A kind of method of Fenton oxidation-MBR combined depths processing antibiotic waste water |
| CN107304093A (en) * | 2016-04-25 | 2017-10-31 | 江苏德邦工程有限公司 | Containing formaldehyde, the integrated deep treatment method of methanol waste water and processing unit |
| CN107162318A (en) * | 2017-05-22 | 2017-09-15 | 武汉泰昌源环保科技有限公司 | A kind of high concentration, the organic pharmacy wastewater treatment device of difficult degradation and processing method |
| CN107522525A (en) * | 2017-09-21 | 2017-12-29 | 哈尔滨工业大学 | A kind of method for producing organic fertilizer using ozone processing antibiotic bacterium dregs |
| CN107963719A (en) * | 2017-11-28 | 2018-04-27 | 贵州锦丰矿业有限公司 | A kind of processing unit and method of high concentration rhodanate waste water |
| CN108147625A (en) * | 2018-01-25 | 2018-06-12 | 河北昊源环境工程有限公司 | The preprocess method and pretreatment system of medication chemistry hc effluent |
| CN108147625B (en) * | 2018-01-25 | 2020-11-03 | 河北昊源环境工程有限公司 | Pretreatment method and pretreatment system for pharmaceutical chemical high-concentration wastewater |
| CN110698255A (en) * | 2019-11-29 | 2020-01-17 | 宁夏启元药业有限公司 | Organic fertilizer produced by using vitamin fermentation waste and preparation method thereof |
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Application publication date: 20131002 |