CN206580707U - A kind of coking chemical waste water total system - Google Patents
A kind of coking chemical waste water total system Download PDFInfo
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- CN206580707U CN206580707U CN201720252579.XU CN201720252579U CN206580707U CN 206580707 U CN206580707 U CN 206580707U CN 201720252579 U CN201720252579 U CN 201720252579U CN 206580707 U CN206580707 U CN 206580707U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 238000004939 coking Methods 0.000 title claims abstract description 25
- 239000002894 chemical waste Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 36
- 239000002351 wastewater Substances 0.000 claims abstract description 26
- 238000001556 precipitation Methods 0.000 claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 238000005345 coagulation Methods 0.000 claims abstract description 9
- 230000015271 coagulation Effects 0.000 claims abstract description 9
- 239000004519 grease Substances 0.000 claims abstract description 9
- 230000001112 coagulating effect Effects 0.000 claims abstract description 7
- 239000010802 sludge Substances 0.000 claims description 35
- 238000005273 aeration Methods 0.000 claims description 11
- 239000003814 drug Substances 0.000 claims description 10
- 238000010992 reflux Methods 0.000 claims description 7
- 235000015097 nutrients Nutrition 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- 238000010907 mechanical stirring Methods 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 239000010865 sewage Substances 0.000 abstract description 3
- 229910021529 ammonia Inorganic materials 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 238000003911 water pollution Methods 0.000 abstract description 2
- 239000002244 precipitate Substances 0.000 abstract 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 7
- 239000005416 organic matter Substances 0.000 description 7
- 238000004062 sedimentation Methods 0.000 description 4
- -1 heterocycle compound Chemical class 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 230000003851 biochemical process Effects 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 150000002391 heterocyclic compounds Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000003809 water extraction Methods 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 206010011469 Crying Diseases 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000007824 aliphatic compounds Chemical class 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002306 biochemical method Methods 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000019799 monosodium phosphate Nutrition 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical class N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model discloses a kind of coking chemical waste water total system, including the pretreating process section being linked in sequence, biochemical processing process section and advanced treatment process section, the pretreating process section includes grease removal tank and the regulating reservoir being connected with grease removal tank, the advanced treatment process section includes the coagulation reaction tank being linked in sequence, pond after coagulative precipitation tank and processing, the biochemical processing process section includes receiving the anaerobic pond of regulating reservoir water, preaeration tank, anoxic feed well, anoxic pond, Aerobic Pond, precipitate separate tank and biological fluidized bed, precipitation separate tank is divided into the first heavy pond and second pond；The utility model provides processing coke-oven plant's distilled ammonia wastewater, gas liquor water shutoff and whole cold water；Methanol residual night, sanitary sewage, handle water outlet up to standard and are digested inside coke-oven plant or steel plant.Make waste water reclaiming, save substantial amounts of new water resource, solve the realistic problem of coking or iron and steel enterprise by regional water shortage, and also thoroughly solve the water pollution problems of enterprise, reach energy-saving and emission-reduction, the purpose of environmental protection.
Description
Technical field
The utility model is related to a kind of coking chemical waste water total system.
Background technology
Organic matter in coking chemical waste water and ammonia nitrogen concentration are high, bio-toxicity is big, be difficult to degrade, and are the larger industry of intractability
One of waste water.（1）Complicated component:Coking chemical waste water composition is complicated, and pollutant contained therein can be divided into inorganic pollution and have
The major class of organic pollutants two.Inorganic pollution is general to be existed in the form of money salt, organic matter in addition to phenolic compound, in addition to
Aliphatic compound, heterocycle compound and polycyclic aromatic hydrocarbon etc..Wherein based on phenolic compound, account for total organic matter 85% is left
It is right；（2）Containing substantial amounts of difficult degradation thing, biodegradability is poor:Organic matter (in terms of COD) content is high in coking chemical waste water, and
Because contained organic matter is generally that aromatic compound and fused ring compound and crying is paid attention to, adjoins the heterocyclic compound such as steep in waste water, its
BOD5/COD values are low, and generally 0.3-0.4, organic matter is stable, and microorganism is difficult by, and the biodegradability of waste water is poor；
（3）Wastewater toxicity is big:Wherein cyanide, aromatic ring, condensed ring, heterocyclic compound are all to the toxic effect of microorganism, and some are even
Concentration in waste water exceedes the tolerable limit of microorganism；（4）Containing harm aquatile and human body it is hypertoxic and carcinogenic
Material:Major pollutant is loop chain organic compound, azido compound and ammonia nitrogen etc..Therefore, coking chemical waste water is to nature
Ecological destruction and its serious, the threat to the mankind is huge.
At present, the processing method of coking chemical waste water mainly has physico-chemical process, biochemical process and materialization-biochemistry method for combined use.Materialization
Method mainly has absorption, coagulating sedimentation, light electrolysis, electrolysis, catalysis oxidation etc..It is simple by physico-chemical process Treatment of Wastewater in Coking cost compared with
Height, its pretreatment for being currently used primarily in coking chemical waste water or advanced treating.Biochemical process because with processing cost it is low, without secondary dirt
Dye etc. the characteristics of and as current Treatment of Coking Effluent main method.Wherein conventional activated sludge process can effectively remove useless
Phenol and cyanogen class material in water, but its adaptability changed to influent quality water is relatively low, at hardly degraded organic substance and ammonia nitrogen
Manage poor effect, it is difficult to reach discharge standard.
The content of the invention
The purpose of this utility model is to provide a kind of coking chemical waste water total system, by biochemical processing process section
Increase the preaeration tank and biological fluidized bed set, last waste water can reach discharging standards.
The purpose of this utility model is achieved through the following technical solutions：
A kind of coking chemical waste water total system, including be linked in sequence pretreating process section, biochemical processing process section and
Advanced treatment process section, the pretreating process section includes grease removal tank and the regulating reservoir being connected with grease removal tank, the advanced treating
Process section includes pond after the coagulation reaction tank, coagulative precipitation tank and the processing that are linked in sequence, wherein, the biochemical processing process section
Anaerobic pond, preaeration tank, anoxic feed well, anoxic pond, Aerobic Pond, precipitation separate tank and biology including receiving regulating reservoir water
Fluid bed, precipitation separate tank is divided into the first heavy pond and second pond；Pending waste water in regulating reservoir is detested through the connection of anaerobism water pump
Oxygen pond, anaerobic pond water outlet connects preaeration tank through overfall, and preaeration tank bottom sets aeration pump, after being handled through preaeration tank
Waste water enters the first heavy pond precipitation through overfall, the first heavy pond bottom is provided with sludge recovery pump, sludge recovery pump connects respectively
It is connected to aeration tank water inlet end and a sludge treater, the overfall connection anoxic feed well that the first heavy pond top is set, anoxic
Elevator pump is provided with feed well, the water in anoxic feed well is lifted into anoxic pond by elevator pump, is given up after being handled through anoxic pond
Water enters Aerobic Pond, and Aerobic Pond water inlet end and middle part are provided with medicine dispensing port, medicine dispensing port and a medicine delivery device
Connection, Aerobic Pond delivery port connection second pond, the overfall of the top setting of second pond is divided into first outlet and second and gone out
Mouthful, backflow well is connected to anoxic feed well, second outlet connection by the water pump that first outlet is connected in a backflow well, backflow well
One intermediate pool, the precipitating sludge of second pond is back in Aerobic Pond and preaeration tank through sludge reflux pump, while sludge
Reflux pump is also connected with sludge treater, and intermediate pool connects biological fluidized bed by water pump, is provided with biological fluidized bed water inlet end
Nutrient solution adds input pipe, and the water side of biological fluidized bed and the water inlet end of biological fluidized bed connect to be formed by a check valve
Interior backflow, the water side of biological fluidized bed connects the coagulation reaction tank of the advanced treatment process section simultaneously.
Scheme is further：Propeller type mechanical stirring device is provided with the anoxic pond.
Scheme is further：The sludge treater is plate and frame filter press.
The beneficial effects of the utility model are：There is provided the processing system of a set of coking chemical waste water, the utility model is mainly located
Manage coke-oven plant's distilled ammonia wastewater, gas liquor water shutoff and whole cold water；Methanol residual night, sanitary sewage, handle water outlet up to standard in coke-oven plant
Or digested inside steel plant.Make waste water reclaiming, save substantial amounts of new water resource, solve coking or iron and steel enterprise by regional water
The realistic problem of shortage of resources, and the water pollution problems of enterprise is also thoroughly solved, reach energy-saving and emission-reduction, the mesh of environmental protection
's.
Below in conjunction with the accompanying drawings and embodiment is described in further detail to the utility model.
Brief description of the drawings
Fig. 1 is the utility model system architecture diagram.
Embodiment
Gradually cause the attention of people simultaneously in order to removal ammonia nitrogen and organic matter, in recent years, biological denitrification process simultaneously
Gradually turn into the main method of Treatment of Coking Effluent, by the present embodiment can using anoxic-aerobic (A/O) or anaerobism-
Anoxic-aerobic (A1-A2-O) activated sludge process, along with the advanced treating of coagulating sedimentation, last waste water can reach national row
Put standard.
Therefore, a kind of coking chemical waste water total system, as shown in Figure 1：The coking chemical waste water total system includes
Pretreating process section 1, biochemical processing process section 2 and the advanced treatment process section 3 being linked in sequence, the pretreating process section include
Grease removal tank 101 and the regulating reservoir 102 being connected with grease removal tank, the advanced treatment process section include the coagulation reaction tank being linked in sequence
301st, pond 303 after coagulative precipitation tank 302 and processing, wherein, biochemical processing process section includes receiving regulating reservoir water
Anaerobic pond 201, preaeration tank 202, precipitation separate tank, anoxic feed well 204, anoxic pond 205, Aerobic Pond 206 and organism fluidization
Bed 210, precipitation separate tank is divided into the first heavy pond 203 and second pond 207；Pending waste water in regulating reservoir is through anaerobism water pump 4
Anaerobic pond 201 is connected, anaerobic pond water outlet connects preaeration tank 202, preaeration tank through overfall（I.e. aeration intensity is relative to routine
Aeration tank is lower）Bottom sets aeration pump 202-1, and aeration pump is handled apart from 20 centimetres of preaeration tank bottom through preaeration tank
Waste water afterwards enters the first heavy pond 203 through overfall and precipitated, and the first heavy pond bottom is provided with sludge recovery pump 5, sludge is reclaimed
Pump is respectively connecting to aeration tank water inlet end and a sludge treater 8 by the control of valve 6 and 7, what the first heavy pond top was set
It is provided with elevator pump 9 in overfall connection anoxic feed well 204, anoxic feed well, elevator pump is by the water extraction in anoxic feed well
Rise and enter anoxic pond 205, Aerobic Pond 206 is entered by feed pump 10 through anoxic pond processed waste water, Aerobic Pond water inlet end is with
Portion is provided with medicine dispensing port 11, and medicine dispensing port is connected with a medicine delivery device 12, Aerobic Pond delivery port connection second
Heavy pond 207, the overfall that the top of second pond is set is divided into first outlet 207-1 and second outlet 207-2, and first outlet connects
Connect the water pump 12 in a backflow well 208, backflow well and backflow well is connected to anoxic feed well 204, second outlet connects one
Intermediate pool 209, the precipitating sludge of second pond is back to Aerobic Pond and pre- through sludge reflux pump 13 by valve 14,15 and 16
In aeration tank and sludge treater, intermediate pool connects biological fluidized bed 210 by water pump 17, set in biological fluidized bed water inlet end
It is equipped with nutrient solution addition input pipe, input pipe connection nutrient solution tank 18, the water side of biological fluidized bed and biological fluidized bed
Water inlet end by the connection of check valve 19 formed in flow back, the water side of biological fluidized bed connects the advanced treating simultaneously
The coagulation reaction tank of process section.
Wherein：Propeller type mechanical stirring device is provided with the anoxic pond.The sludge treater is sheet frame pressure
Filter.
In embodiment：Waste water is lifted into grease removal tank by well through pump group, enters regulating reservoir regulating pondage through airfloat equipment
And through anaerobism water pump enter anaerobic pond after water quality.Anaerobic pond water outlet enters preaeration tank, preaeration tank bottom aeration, through preaeration
Pond processed waste water is precipitated at the beginning of entering the first heavy pond, and partial concentration sludge reflux to the preaeration tank of the first heavy pond bottom is intake
End, remainder carries out sludge treater.First heavy pond top clarified solution enters anoxic feed well, through anoxic elevator pump by water extraction
Rise to enter in anoxic pond, anoxic pond and set mechanical stirring device, enter Aerobic Pond through mechanical agitation anoxic pond processed waste water, it is aerobic
Pond water inlet end, middle part add Na2CO3 and NaH2PO4 by mouth of offeing medicine, and Aerobic Pond water outlet enters second pond, through second pond
After precipitation separation, the top clarified solution of second pond is partly into backflow well, and anoxic pond feed well is flow to through blowback, its remaining part
Divide and enter intermediate pool, the partly precipitated sludge of second pond is back in Aerobic Pond and preaeration tank through sludge reflux pump, remain
Remaining sludge carries out sludge treater.The water of intermediate pool enters HOKTOC biological fluidized beds, biological fluidized bed water inlet end by pump again
The nutrient solution of configuration is added, the water side part water outlet of biological fluidized bed needs to be back to biological fluidized bed through air lift lifter
Water inlet end flows back in carrying out, and the residue water outlet of biological fluidized bed water side enters coagulation reaction tank, and reaction tank needs to add flocculant
PAL, flocculation aid PAM etc. carry out coagulating sedimentation, and the sludge of sedimentation basin carries out sludge treatment technique, the water that supernatant enters after processing
Pond, reuse is carried out by pump group.
By the handling process of the coking chemical waste water of the present embodiment system can realize pretreatment backflow, nitrification liquid it is big backflow,
Flowed back in the big backflow of sludge, HOKTOC, it is possible to achieve pretreatment reaction groove, air supporting dosing, biochemical dosing, biochemical dosing, HOK-
TOC dosings, coagulation dosing and Treatment of Sludge dosing, system anti-impact force are strong, and water outlet COD and ammonia nitrogen after processing can be same
When reach national sewage comprehensive emission standard (GB9878-1996) primary standard.Technique undergoes anaerobism, anoxic and aerobic repeatedly
Area, carries out thoroughly denitrification-nitration reaction, COD, ammonia nitrogen and all kinds of hardly degraded organic substances is significantly degraded, and gathers
Phosphorus bacterium can also excessively swallow P, P content is also reduced.Larger molecular organicses when waste water enters HOKTOC biological fluidized beds
Small organic molecule is decomposed into previous step, nitrification denitrogenation is further carried out in fluid bed.Both combine energy
Ammonia nitrogen, COD, colourity equal size in poisonous and harmful substance in enough coking process waste water of thoroughly effectively degrading, reduction waste water.
Claims (3)
1. a kind of coking chemical waste water total system, including pretreating process section, biochemical processing process section and the depth being linked in sequence
Handling process section is spent, the pretreating process section includes grease removal tank and the regulating reservoir being connected with grease removal tank, the depth science and engineering
Skill section includes pond after the coagulation reaction tank, coagulative precipitation tank and the processing that are linked in sequence, it is characterised in that the biochemical treatment work
Skill section include receiving the anaerobic pond of regulating reservoir water, preaeration tank, anoxic feed well, anoxic pond, Aerobic Pond, precipitation separate tank and
Biological fluidized bed, precipitation separate tank is divided into the first heavy pond and second pond；Pending waste water in regulating reservoir connects through anaerobism water pump
Anaerobic pond is connect, anaerobic pond water outlet connects preaeration tank through overfall, and preaeration tank bottom sets aeration pump, handled through preaeration tank
Waste water afterwards enters the first heavy pond precipitation through overfall, and the first heavy pond bottom is provided with sludge recovery pump, sludge recovery pump point
Aeration tank water inlet end and a sludge treater are not connected to, and the overfall that the first heavy pond top is set connects anoxic feed well,
Elevator pump is provided with anoxic feed well, the water in anoxic feed well is lifted into anoxic pond, handled through anoxic pond by elevator pump
Waste water enters Aerobic Pond afterwards, and Aerobic Pond water inlet end and middle part are provided with medicine dispensing port, and medicine dispensing port and a medicine are delivered
Device is connected, Aerobic Pond delivery port connection second pond, and the overfall that the top of second pond is set is divided into first outlet and the
Backflow well is connected to anoxic feed well, second outlet by two outlets, the water pump that first outlet is connected in a backflow well, backflow well
An intermediate pool is connected, the precipitating sludge of second pond is back in Aerobic Pond and preaeration tank through sludge reflux pump, simultaneously
Sludge reflux pump is also connected with sludge treater, and intermediate pool connects biological fluidized bed by water pump, is set in biological fluidized bed water inlet end
Nutrient solution addition input pipe is equipped with, the water side of biological fluidized bed and the water inlet end of biological fluidized bed are connected by a check valve
Flowed back in being formed, the water side of biological fluidized bed connects the coagulation reaction tank of the advanced treatment process section simultaneously.
2. coking chemical waste water total system according to claim 1, it is characterised in that be provided with the anoxic pond
Propeller type mechanical stirring device.
3. coking chemical waste water total system according to claim 1, it is characterised in that the sludge treater is sheet frame
Filter press.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720252579.XU CN206580707U (en) | 2017-03-16 | 2017-03-16 | A kind of coking chemical waste water total system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720252579.XU CN206580707U (en) | 2017-03-16 | 2017-03-16 | A kind of coking chemical waste water total system |
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| Publication Number | Publication Date |
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| CN206580707U true CN206580707U (en) | 2017-10-24 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108911410A (en) * | 2018-08-02 | 2018-11-30 | 合肥中亚环保科技有限公司 | A kind of coal chemical industrial waste water advanced treatment system and its processing method |
| CN109354346A (en) * | 2018-12-25 | 2019-02-19 | 黑龙江建龙化工有限公司 | A kind of high CODcr concentration coking waste water treatment process |
| CN109626740A (en) * | 2018-12-31 | 2019-04-16 | 萍乡市华星环保工程技术有限公司 | A kind of biochemical processing method of coking wastewater and wastewater from chemical industry |
| CN114671568A (en) * | 2022-03-20 | 2022-06-28 | 北京首钢国际工程技术有限公司 | Coking wastewater treatment device and method thereof |
| WO2022143243A1 (en) * | 2020-12-30 | 2022-07-07 | 中冶焦耐(大连)工程技术有限公司 | Coking wastewater treatment system and process for realizing gradient utilization of powdered activated carbon |
-
2017
- 2017-03-16 CN CN201720252579.XU patent/CN206580707U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108911410A (en) * | 2018-08-02 | 2018-11-30 | 合肥中亚环保科技有限公司 | A kind of coal chemical industrial waste water advanced treatment system and its processing method |
| CN109354346A (en) * | 2018-12-25 | 2019-02-19 | 黑龙江建龙化工有限公司 | A kind of high CODcr concentration coking waste water treatment process |
| CN109626740A (en) * | 2018-12-31 | 2019-04-16 | 萍乡市华星环保工程技术有限公司 | A kind of biochemical processing method of coking wastewater and wastewater from chemical industry |
| WO2022143243A1 (en) * | 2020-12-30 | 2022-07-07 | 中冶焦耐(大连)工程技术有限公司 | Coking wastewater treatment system and process for realizing gradient utilization of powdered activated carbon |
| CN114671568A (en) * | 2022-03-20 | 2022-06-28 | 北京首钢国际工程技术有限公司 | Coking wastewater treatment device and method thereof |
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