CN101070218A - Neutralization-free furfural waste-water biochemical treatment process - Google Patents
Neutralization-free furfural waste-water biochemical treatment process Download PDFInfo
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- CN101070218A CN101070218A CN 200710062165 CN200710062165A CN101070218A CN 101070218 A CN101070218 A CN 101070218A CN 200710062165 CN200710062165 CN 200710062165 CN 200710062165 A CN200710062165 A CN 200710062165A CN 101070218 A CN101070218 A CN 101070218A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 53
- HYBBIBNJHNGZAN-UHFFFAOYSA-N Furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000010802 sludge Substances 0.000 claims abstract description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000004062 sedimentation Methods 0.000 claims abstract description 16
- 238000004140 cleaning Methods 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 6
- GVPFVAHMJGGAJG-UHFFFAOYSA-L Cobalt(II) chloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 claims abstract description 4
- ARUVKPQLZAKDPS-UHFFFAOYSA-L Copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims abstract description 4
- BAUYGSIQEAFULO-UHFFFAOYSA-L Iron(II) sulfate Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims abstract description 4
- QMMRZOWCJAIUJA-UHFFFAOYSA-L Nickel(II) chloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 claims abstract description 4
- 229930003779 Vitamin B12 Natural products 0.000 claims abstract description 4
- 229930003571 Vitamin B5 Natural products 0.000 claims abstract description 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L Zinc chloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims abstract description 4
- FAPWYRCQGJNNSJ-UBKPKTQASA-L calcium D-pantothenic acid Chemical compound [Ca+2].OCC(C)(C)[C@@H](O)C(=O)NCCC([O-])=O.OCC(C)(C)[C@@H](O)C(=O)NCCC([O-])=O FAPWYRCQGJNNSJ-UBKPKTQASA-L 0.000 claims abstract description 4
- 229960002079 calcium pantothenate Drugs 0.000 claims abstract description 4
- 239000004202 carbamide Substances 0.000 claims abstract description 4
- 125000003346 cobalamin group Chemical group 0.000 claims abstract description 4
- 235000003891 ferrous sulphate Nutrition 0.000 claims abstract description 4
- 239000011790 ferrous sulphate Substances 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims abstract description 4
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims abstract description 4
- 235000019163 vitamin B12 Nutrition 0.000 claims abstract description 4
- 239000011715 vitamin B12 Substances 0.000 claims abstract description 4
- 235000009492 vitamin B5 Nutrition 0.000 claims abstract description 4
- 239000011675 vitamin B5 Substances 0.000 claims abstract description 4
- 235000005074 zinc chloride Nutrition 0.000 claims abstract description 4
- 239000011592 zinc chloride Substances 0.000 claims abstract description 4
- 230000003647 oxidation Effects 0.000 claims description 18
- 238000007254 oxidation reaction Methods 0.000 claims description 18
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 16
- 239000007800 oxidant agent Substances 0.000 claims description 8
- 230000000050 nutritive Effects 0.000 claims description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 5
- 235000015450 Tilia cordata Nutrition 0.000 claims description 5
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 239000004571 lime Substances 0.000 claims description 5
- 210000003608 Feces Anatomy 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000006297 dehydration reaction Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000010871 livestock manure Substances 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 235000015076 Shorea robusta Nutrition 0.000 claims description 3
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 235000015097 nutrients Nutrition 0.000 abstract description 5
- CSNNHWWHGAXBCP-UHFFFAOYSA-L mgso4 Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 abstract 2
- 241001536352 Fraxinus americana Species 0.000 abstract 1
- 229940097267 cobaltous chloride Drugs 0.000 abstract 1
- 229910000366 copper(II) sulfate Inorganic materials 0.000 abstract 1
- 230000004941 influx Effects 0.000 abstract 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 abstract 1
- 235000019341 magnesium sulphate Nutrition 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000001488 sodium phosphate Substances 0.000 abstract 1
- 229910000406 trisodium phosphate Inorganic materials 0.000 abstract 1
- 235000019801 trisodium phosphate Nutrition 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 10
- 239000002957 persistent organic pollutant Substances 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 230000003851 biochemical process Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 150000001299 aldehydes Chemical class 0.000 description 2
- 235000011089 carbon dioxide Nutrition 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005374 membrane filtration Methods 0.000 description 2
- 230000001264 neutralization Effects 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 206010015150 Erythema Diseases 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001112 coagulant Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 230000004059 degradation Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002906 microbiologic Effects 0.000 description 1
- 230000003472 neutralizing Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 230000001590 oxidative Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Abstract
This invention relates to a neutralization-free furfural wastewater biochemical treatment craft. First furfural wastewater enter balancing tank, then enter upwash type anaerobic sludge bed reactor by the exaltation of slush pump, add furfural wastewater nutrient solution and granular activated carbon to the pool of upwash type anaerobic sludge bed reactor; then the water after disposing of upwash type anaerobic sludge bed reactor enter vertical sedimentation tank, then influx intermediate pool; water in the intermediate pool according to sequencing batch type activated sludge process enter pool by the exaltation of sequencing batch type activated sludge process influent pump; the water from pool of sequencing batch type activated sludge process enter clean water basin, then reclaimed or discharged. The described nutrient solution according to weight is mixture of urea 80.47%, trisodium phosphate 13.44%, white ash 3.17%, iron power 0.56%, ferrous sulfate 0.56%, magnesium sulfate 0.43%, cobaltous chloride 0.097%, nickelous chloride 0.073%, zinc chloride 0.48%, cupric sulfate 0.24%, vitamin B5 0.24% and vitamin B12 0.24% and water.
Description
One, technical field
The present invention relates in a kind of the exempting from and the furfural waste-water biochemical processing, is a kind of treatment process of furfural production industry trade effluent.
Two, background technology
Present furfural waste-water treatment technology mainly contains physics method, chemical method and biochemical process.
(1) physics method: mainly contain multiple-effect evaporation technology, membrane filtration process, multiple-effect evaporation is to utilize aldehyde vapour waste heat evaporation waste water, and the water of condensation back boiler that is evaporated continues to use or discharging after treatment, and the waste water after concentrating send boiler to burn.These technology existing problems are to produce the wastewater flow rate big (22 tons) that furfural per ton produces, and the shortage of heat that corresponding aldehyde vapour can provide is to evaporate all waste water, only the stand sub-fraction of wastewater flow rate of waste water that can evaporation, remaining waste water can not burn in boiler.And this technology investment is big, complex process, the working cost height.Membrane filtration process is coagulating sedimentation+filtration+ultrafiltration+reverse osmosis, because the CODcr of furfural waste-water is about 2000mg/L, this art breading furfural waste-water ultrafiltration and reverse osmosis are cleaned frequent, and failure rate is very high, does not have the example of success.
(2) chemical method: be mainly extraction process, this technology is that furfural waste-water is extracted through entering in the extraction tank after filtering, and extraction liquid enters solvent recovery tower, recycle through distillation solvent, overhead product enters sour concentration tower, obtains dense acetic acid, and continues to recycle from the cat head water outlet.This technological equipment investment is big, an enterprise that produces 2500 tons of furfurals per year, and this technology investment is about 2,500,000 yuan.Working cost height, the processing costs of furfural waste-water per ton are about 8 ~ 10 yuan.
(3)---anaerobism---aerobic process, neutralization---up flow anaerobic sludge blanket reactor---catalytic oxidation, neutralization---technologies such as up flow anaerobic sludge blanket reactor sequencing batch active sludge that biochemical process: biochemical processing process has lightning to separate, lightning is separated technology and can be removed portion C ODcr and PH is raise, the organism that can decompose the part difficult degradation, but also brought redness to furfural waste-water simultaneously, this color is difficult to remove in follow-up technology.And in and technology have and adopt the lime neutral, the caustic soda of employing neutral is also arranged, in the furfural waste-water per ton and expense very high, in the lime and expense be 2 ~ 3 yuan, in the caustic soda and expense be 7 ~ 9 yuan.Anaerobic treatment unit and aerobic processing unit operating performance in the actual engineering of reality is poor, and instability is difficult to realize qualified discharge.
Three, summary of the invention:
The objective of the invention is to overcome the deficiencies in the prior art, provide that a kind of investment is little, technology is simple, treatment effect is good, working cost is low exempt from and furfural waste-water biochemical treatment process.
Purpose of the present invention can realize by following technical scheme:
In a kind of the exempting from and furfural waste-water biochemical treatment process, it is at first to enter equalizing tank by furfural waste-water, under the lifting of sump pump, enter up flow anaerobic sludge blanket reactor then, in the pond of up flow anaerobic sludge blanket reactor, add furfural waste-water nutritive medium and granular carbon, water after up flow anaerobic sludge blanket reactor is handled enters vertical sedimentation tank, pond in the middle of flowing into then, water moving law according to sequencing batch active sludge under the lifting of sequencing batch active sludge intake pump in middle pond enters in the pond of sequencing batch active sludge, the water that comes out from the pond of sequencing batch active sludge flows into clean water basin, reuse or qualified discharge then, described nutritive medium is a urea 80.47%, tertiary sodium phosphate 13.44%, lime 3.17%, iron powder 0.56%, ferrous sulfate 0.56%, sal epsom 0.43%, cobalt chloride 0.097%, nickelous chloride 0.073%, zinc chloride 0.48%, copper sulfate 0.24%, vitamin B5 0.24% and vitamin B12 0.24% add the solution that water forms by weight ratio.
Purpose of the present invention can also realize by following technical scheme:
The water outlet of sequencing batch active sludge flows into strong oxidation pond, adds strong oxidizer simultaneously in strong oxidation pond, through strong oxidation pond water and strong oxidizer is reacted in strong oxidation pond, and the water outlet after strong oxidation pond is handled flows into clean water basin.
The water that the present invention handles through up flow anaerobic sludge blanket reactor enters in the vertical sedimentation tank, the excess sludge of discharging from up flow anaerobic sludge blanket reactor pond, sequencing batch active sludge pond and vertical sedimentation tank all enters in the sludge drying bed and dewaters, sludge incineration after the dehydration is handled or is done farm manure and uses, the water of deviating from is back to equalizing tank and continues to accept processing, up flow anaerobic sludge blanket reactor is provided with the collecting methane system, and this collecting methane system is biogas storage tank or biogas utilization system.
The water that the present invention handles through vertical sedimentation tank enters the anaerobism circulatory pool, pond in the middle of flowing into then, water moving law according to sequencing batch active sludge under the lifting of sequencing batch active sludge intake pump in middle pond enters in the pond of sequencing batch active sludge, is provided with recycle pump between anaerobism circulatory pool and up flow anaerobic sludge blanket reactor.
The present invention is provided with accident pool between furfural waste-water and equalizing tank, accident pool enter equalizing tank at furfural waste-water by sump pump.
The present invention compared with prior art has following advantage:
1, removed neutralizing treatment unit in the existing biochemical process: furfural waste-water directly enters up flow anaerobic sludge blanket reactor without any need for handling, utilize organic acid and organic pollutant in the anerobe decomposition furfural waste-water, the processing costs of furfural waste-water per ton is reduced significantly, and furfural waste-water processing costs per ton is reduced to about 2.0 yuan.
2, the biological special nutrient fluid of furfural waste-water: by replenishing the biological special nutrient fluid of furfural waste-water, improve the ability of the decomposing organic pollutant of anerobe and aerobic bacteria, the organic pollutant in the furfural waste-water is decomposed completely.
3, in up flow anaerobic sludge blanket reactor, add granular carbon: can all provide a good anaerobism living environment for anaerobism by replenishing gac, make the capacity of decomposition of anerobe stronger, simultaneously gac can the absorbed portion Persistent organic pollutants, and can reduce the loss of anerobe.
4, strong oxide treatment unit is standby treatment measures, and the phenomenon in case the unit water outlet of generation aerobic treatment exceeds standard can be guaranteed the water outlet qualified discharge with strong oxide treatment unit.
Four, description of drawings
Fig. 1 is in exempting from and the general flow chart of furfural waste-water biochemical treatment process
Fig. 2 is in a kind of the exempting from and the schema of furfural waste-water biochemical treatment process
Five, embodiment
Fig. 1---shown in 2: in a kind of the exempting from and furfural waste-water biochemical treatment process, it is characterized in that: furfural waste-water at first enters equalizing tank, under the lifting of sump pump, enter up flow anaerobic sludge blanket reactor then, in the pond of up flow anaerobic sludge blanket reactor, add furfural waste-water nutritive medium and granular carbon, water after up flow anaerobic sludge blanket reactor is handled enters vertical sedimentation tank, pond in the middle of flowing into then, water moving law according to sequencing batch active sludge under the lifting of sequencing batch active sludge intake pump in middle pond enters in the pond of sequencing batch active sludge, the water that comes out from the pond of sequencing batch active sludge flows into clean water basin, reuse or qualified discharge then, described nutritive medium is a urea 80.47%, tertiary sodium phosphate 13.44%, lime 3.17%, iron powder 0.56%, ferrous sulfate 0.56%, sal epsom 0.43%, cobalt chloride 0.097%, nickelous chloride 0.073%, zinc chloride 0.48%, copper sulfate 0.24%, vitamin B5 0.24% and vitamin B12 0.24% add the solution that water forms by weight ratio.The water outlet of sequencing batch active sludge flows into strong oxidation pond, adds strong oxidizer simultaneously in strong oxidation pond, through strong oxidation pond water and strong oxidizer is reacted in strong oxidation pond, and the water outlet after strong oxidation pond is handled flows into clean water basin; The water of handling through up flow anaerobic sludge blanket reactor enters in the vertical sedimentation tank, the excess sludge of discharging from up flow anaerobic sludge blanket reactor pond, sequencing batch active sludge pond and vertical sedimentation tank all enters in the sludge drying bed and dewaters, sludge incineration after the dehydration is handled or is done farm manure and uses, the water of deviating from is back to equalizing tank and continues to accept processing, up flow anaerobic sludge blanket reactor is provided with the collecting methane system, and this collecting methane system is biogas storage tank or biogas utilization system; The water of handling through vertical sedimentation tank enters the anaerobism circulatory pool, pond in the middle of flowing into then, water moving law according to sequencing batch active sludge under the lifting of sequencing batch active sludge intake pump in middle pond enters in the pond of sequencing batch active sludge, is provided with recycle pump between anaerobism circulatory pool and up flow anaerobic sludge blanket reactor; Between furfural waste-water and equalizing tank, be provided with accident pool, accident pool enter equalizing tank at furfural waste-water by sump pump.
Principle of work of the present invention is: furfural waste-water at first enters equalizing tank, enters up flow anaerobic sludge blanket reactor then under the lifting of sump pump, regularly adds the furfural waste-water special nutrient fluid in the pond of up flow anaerobic sludge blanket reactor.Under the physiological action of anerobe, the majority of organic pollutants in the waste water is broken down into methane and water in up flow anaerobic sludge blanket reactor, and the part organic pollutant is broken down into VFA and carbonic acid gas; The biogas that up flow anaerobic sludge blanket reactor produces can be collected, and sets up biogas storage tank and biogas utilization system.Water after up flow anaerobic sludge blanket reactor is handled enters vertical sedimentation tank, separate anerobe and water, water enters the anaerobism circulatory pool, pond in the middle of flowing into then, water moving law according to sequencing batch active sludge under the lifting of sequencing batch active sludge intake pump in middle pond enters in the pond of sequencing batch active sludge, organic pollutant in the pond of sequencing batch active sludge in the waste water is decomposed into carbonic acid gas, water by aerobic microbiological, and waste water is purified.The water that comes out from the pond of sequencing batch active sludge flows into clean water basin, reuse or qualified discharge then.
The phenomenon that colourity exceeds standard or CODcr exceeds standard appears in the water outlet of sequencing batch active sludge, the water outlet of sequencing batch active sludge can be flowed into strong oxidation pond, add strong oxidizer simultaneously, water and strong oxidizer are reacted in strong oxidation pond, residue organic pollutant in decolouring and the oxidizing water is that qualified discharge is guaranteed in the water outlet after handling.
The excess sludge of discharging from up flow anaerobic sludge blanket reactor pond, sequencing batch active sludge pond and vertical sedimentation tank all enters in the sludge drying bed and dewaters, and the mud after the dehydration is transported outward burning disposal or done farm manure and use.And being back to equalizing tank, the water of deviating from continues to accept processing.
Claims (5)
1, in a kind of the exempting from and furfural waste-water biochemical treatment process, it is characterized in that: furfural waste-water at first enters equalizing tank, under the lifting of sump pump, enter up flow anaerobic sludge blanket reactor then, in the pond of up flow anaerobic sludge blanket reactor, add furfural waste-water nutritive medium and granular carbon, water after up flow anaerobic sludge blanket reactor is handled enters vertical sedimentation tank, pond in the middle of flowing into then, water moving law according to sequencing batch active sludge under the lifting of sequencing batch active sludge intake pump in middle pond enters in the pond of sequencing batch active sludge, the water that comes out from the pond of sequencing batch active sludge flows into clean water basin, reuse or qualified discharge then, described nutritive medium is a urea 80.47%, tertiary sodium phosphate 13.44%, lime 3.17%, iron powder 0.56%, ferrous sulfate 0.56%, sal epsom 0.43%, cobalt chloride 0.097%, nickelous chloride 0.073%, zinc chloride 0.48%, copper sulfate 0.24%, vitamin B5 0.24% and vitamin B12 0.24% add the solution that water forms by weight ratio.
2, in according to claim 1 the exempting from and furfural waste-water biochemical treatment process, it is characterized in that: the water outlet of sequencing batch active sludge flows into strong oxidation pond, in strong oxidation pond, add strong oxidizer simultaneously, through strong oxidation pond water and strong oxidizer are reacted in strong oxidation pond, the water outlet after strong oxidation pond is handled flows into clean water basin.
3, in according to claim 2 the exempting from and furfural waste-water biochemical treatment process, it is characterized in that: the water of handling through up flow anaerobic sludge blanket reactor enters in the vertical sedimentation tank, from the up flow anaerobic sludge blanket reactor pond, the excess sludge of discharging in sequencing batch active sludge pond and the vertical sedimentation tank all enters in the sludge drying bed and dewaters, sludge incineration after the dehydration is handled or is done farm manure and uses, the water of deviating from is back to equalizing tank and continues to accept processing, up flow anaerobic sludge blanket reactor is provided with the collecting methane system, and this collecting methane system is biogas storage tank or biogas utilization system.
4, in according to claim 3 the exempting from and furfural waste-water biochemical treatment process, it is characterized in that: the water of handling through vertical sedimentation tank enters the anaerobism circulatory pool, pond in the middle of flowing into then, water moving law according to sequencing batch active sludge under the lifting of sequencing batch active sludge intake pump in middle pond enters in the pond of sequencing batch active sludge, is provided with recycle pump between anaerobism circulatory pool and up flow anaerobic sludge blanket reactor.
5, in according to claim 4 the exempting from and furfural waste-water biochemical treatment process, it is characterized in that: between furfural waste-water and equalizing tank, be provided with accident pool, accident pool enter equalizing tank at furfural waste-water by sump pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710062165 CN101070218A (en) | 2007-06-16 | 2007-06-16 | Neutralization-free furfural waste-water biochemical treatment process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200710062165 CN101070218A (en) | 2007-06-16 | 2007-06-16 | Neutralization-free furfural waste-water biochemical treatment process |
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| CN101070218A true CN101070218A (en) | 2007-11-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781018B (en) * | 2010-01-26 | 2012-02-01 | 长春工程学院 | Furfural wastewater aerobic treatment nutrient |
| CN105712577A (en) * | 2016-02-04 | 2016-06-29 | 广州市朔康医疗科技有限公司 | Reverse control energy-saving type medical wastewater treatment method and device |
| CN108610014A (en) * | 2018-05-04 | 2018-10-02 | 温州大学 | Phosphorus recycling and biological ceramic particle regeneration method in the preparation method and haydite of eutrophication water efficient dephosphorization recoverable version biological ceramic particle |
-
2007
- 2007-06-16 CN CN 200710062165 patent/CN101070218A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781018B (en) * | 2010-01-26 | 2012-02-01 | 长春工程学院 | Furfural wastewater aerobic treatment nutrient |
| CN105712577A (en) * | 2016-02-04 | 2016-06-29 | 广州市朔康医疗科技有限公司 | Reverse control energy-saving type medical wastewater treatment method and device |
| CN108610014A (en) * | 2018-05-04 | 2018-10-02 | 温州大学 | Phosphorus recycling and biological ceramic particle regeneration method in the preparation method and haydite of eutrophication water efficient dephosphorization recoverable version biological ceramic particle |
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