CN108033645A - A kind of chemical wastewater treatment technique - Google Patents
A kind of chemical wastewater treatment technique Download PDFInfo
- Publication number
- CN108033645A CN108033645A CN201711422986.1A CN201711422986A CN108033645A CN 108033645 A CN108033645 A CN 108033645A CN 201711422986 A CN201711422986 A CN 201711422986A CN 108033645 A CN108033645 A CN 108033645A
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- waste water
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000000126 substance Substances 0.000 title claims abstract description 16
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 16
- 239000002351 wastewater Substances 0.000 claims abstract description 43
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims abstract description 16
- 238000005345 coagulation Methods 0.000 claims abstract description 13
- 230000015271 coagulation Effects 0.000 claims abstract description 13
- 239000002253 acid Substances 0.000 claims abstract description 12
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 12
- 238000011282 treatment Methods 0.000 claims abstract description 11
- 239000012528 membrane Substances 0.000 claims abstract description 10
- 230000003647 oxidation Effects 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 15
- 239000010865 sewage Substances 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 239000004568 cement Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 230000003197 catalytic effect Effects 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 5
- 238000006056 electrooxidation reaction Methods 0.000 claims description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 4
- 230000014759 maintenance of location Effects 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 241000276457 Gadidae Species 0.000 claims description 3
- 238000005273 aeration Methods 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 2
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 2
- 238000010306 acid treatment Methods 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 2
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 2
- 238000000265 homogenisation Methods 0.000 claims description 2
- 239000004571 lime Substances 0.000 claims description 2
- 230000020477 pH reduction Effects 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 2
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 2
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 2
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- -1 iron ions Chemical class 0.000 description 1
- WFKAJVHLWXSISD-UHFFFAOYSA-N isobutyramide Chemical compound CC(C)C(N)=O WFKAJVHLWXSISD-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/4612—Controlling or monitoring
- C02F2201/46145—Fluid flow
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention belongs to chemical field, more particularly to a kind of chemical wastewater treatment technique, level-one tune acid distribution reservoir, level-one Aerated micro-electrolysis reactor, two level tune acid distribution reservoir, the reaction of two level Aerated micro-electrolysis, coagulation regulating reservoir, centrifuge, level-one distribution reservoir, level-one electrocatalysis oxidation device, two level distribution reservoir are sequentially entered behind the adjusted pond of waste water, two level electrocatalysis oxidation device, the connection of biochemical buffer pond, are finally discharged after MBR membrane bioreactors.The present invention provides a kind of chemical wastewater treatment technique, realizes low construction cost and operating cost, on the basis of reaching optimal outlet effect, which is pre-processed, can effectively reduce the COD value of waste water using materialization treatment process and improve its biodegradability.
Description
Technical field
The invention belongs to chemical field, and in particular to a kind of chemical wastewater treatment technique.
Background technology
Film corporate boss will produce hollow-fibre membrane, due to adding necessary organic solvent in production technology, cause to give up
Organic concentration in water is higher, main ingredient therein for DMAC (dimethylacetylamide), DMF (dimethylformamide),
PVDF (Kynoar), PVP (polyvinylpyrrolidone), PEG (polyethylene glycol), glycerine and ethanol etc., so that the life
The COD value of waste water of production. art is higher, and toxicity is larger, and biodegradability is poor.Due to produce the COD value of waste water relatively up to 30000 ~
40000mg/L or so, technique water inlet through be diluted to COD value for 2500mg/L or so when, total water outlet COD value is still left in 400mg/L
The right side, is unable to reach national effluent quality requirement.Therefore need to pre-process waste water, improve the biodegradability of waste water, make MBR
The effect of bigger is played, improves effluent quality.
The content of the invention
To solve the above-mentioned problems, the present invention provides a kind of chemical wastewater treatment technique, and the waste water can be located in advance
Reason, the COD value of waste water is effectively reduced using materialization treatment process and improves its biodegradability.
A kind of chemical wastewater treatment technique, it is micro- that level-one tune acid distribution reservoir, level-one aeration are sequentially entered behind the adjusted pond of waste water
Electrolysis reactor, two level tune acid distribution reservoir, the reaction of two level Aerated micro-electrolysis, coagulation regulating reservoir, centrifuge, level-one distribution reservoir, one
Level electrocatalysis oxidation device, two level distribution reservoir, two level electrocatalysis oxidation device, the connection of biochemical buffer pond, finally by MBR membrane bioreactions
Discharged after answering device, wherein：
(1) homogeneous adjusting is handled
Waste water carries out Homogenization Treatments in homogeneous regulating reservoir, and hydraulic detention time 3d, homogeneous regulating reservoir is interior to be equipped with blast aeration
Pipeline, for abundant homogeneous waste water；
(2) acid treatment is adjusted
Waste water carries out acidification in sour distribution reservoir is adjusted, hydraulic detention time 2.0h, adjusts the PH to 3 ~ 4 of waste water, in pond
Wall does anti-corrosion, and aerating pipelines are equipped with pond and are used to adjust sour mixing；
(3) Aerated micro-electrolysis reaction treatment
In Aerated micro-electrolysis reactor, retention time of sewage 2.5h, is provided with electromagnetic flowmeter on equipment connecting line, is used for
Statistics and control flow；
(4) coagulation adjusting is handled
Waste water pH value is adjusted to after 8 ~ 9 in coagulation regulating reservoir iron cement is removed by centrifuge, waste water is laggard through removing iron cement
Enter electro-oxidation reactor and biochemical reactor；
（5）Centrifugal treating
By sedimentation centrifuge, the iron cement in light electrolysis water outlet is isolated into Come from mixed liquor, easy to the processing of next step；
(6) electrochemical catalytic oxidization is handled
Residence time 2.0h in waste water electrochemical catalytic oxidization equipment, equipment is interior to be equipped with electrode plate and catalyst, passes through what power supply provided
Electroxidation effect occurs for DC current；
(7) biochemical buffer is handled
In biochemical buffer pond mix the waste water from electrified equipment, part sanitary sewage, part low concentration production waste water and
Part rainwater etc., biochemical MBR influent CODs are reduced to a certain extent, while improve the biodegradability of waste water；
(8) MBR membrane biological reactions are handled
In MBR membrane bioreactors, it is 7d that waste water, which stops total time, and aerobic zone and film area are equipped with aerating pipelines in reactor.
Further, hydrochloric acid or sulfuric acid are added in the level-one tune acid distribution reservoir.
Further, 1 ceria of catalyst is added while hydrochloric acid or sulfuric acid are added in the two level tune acid distribution reservoir.
Further, alkali is added to be white lime in the coagulation regulating reservoir.
Further, 2 iron oxide of catalyst is added in the two level distribution reservoir.
Beneficial effects of the present invention：The present invention provides a kind of chemical wastewater treatment technique, realizes low construction cost and fortune
Row cost, on the basis of reaching optimal outlet effect, pre-processes the waste water, can effectively be reduced using materialization treatment process useless
The COD value of water simultaneously improves its biodegradability.
Brief description of the drawings
Fig. 1 is a kind of artwork of chemical wastewater treatment technique.
Embodiment
First, wastewater treatment scale and water quality situation
(1) waste treatment capacity is designed
According to Workshop production status and demand for development, production waste water water is 160m3/d。
(2) raw water quality situation
The raw water quality situation tool that enterprise provides, which is stopped, to be shown in Table 1.
Table 1 produces waste water quality
2nd, embodiment
1. concrete technology flow process
(1) technological process
According to field pilot test and with reference to inside and outside engineering practice is enclosed, the sewage treatment technology process is as shown in Figure 1.
(2) technological process explanation
By raw water quality water change greatly, and according to engine request, the influent waste water of materializing strategy technique need COD to dilute
20000mg/L or so is adjusted, therefore homogeneous regulating reservoir is set in technique front end.Regulating reservoir water outlet sequentially enters level-one tune acid
Distribution reservoir, level-one Aerated micro-electrolysis reactor, two level tune acid distribution reservoir, two level Aerated micro-electrolysis reactor, coagulation adjust buffering
Pond, centrifuge, electroxidation level distribution reservoir, level-one electro-oxidation reactor, electroxidation two level distribution reservoir, two level electro-oxidation reactor,
Biochemical buffer, subsequently into original MBR techniques.
2. main units, equipment and parameter
(1) homogeneous regulating reservoir
It is 16.0mX10.0mX3.2m that homogeneous, which adjusts pool size, and hydraulic detention time 3d., which is adjusted, holds all 480m3.Drum is equipped with pond
Wind aerating pipelines.
(2) sour distribution reservoir is adjusted
It is 3.2mX3.2mX1.5m, hydraulic detention time 2.0h to adjust sour water distribution pool size, adjusts the PH to 3 ~ 4 of waste water.Pond inner wall
Anti-corrosion is done, aerating pipelines are equipped with pond and are used to adjust sour mixing.
(3) Aerated micro-electrolysis reactor
Aerated micro-electrolysis reactor size is φ 2.0mX3.0m, retention time of sewage 2.5h.Air inflow is 0.7m3/ h, inflow
For 1.4m3/h.Electromagnetic flowmeter is installed on equipment connecting line.
(4) coagulation regulating reservoir
Coagulation regulating reservoir dischargeable capacity 25m3.Since light electrolysis water outlet iron-holder is higher, so needing to adjust light electrolysis water outlet
Removed after PH by centrifuging, waste water could enter electro-oxidation reactor and biochemical reactor after going iron ions.In coagulation tune
Section is adjusted waste water pH value to 8 ~ 9 in pond.
（5）Centrifuge
Centrifuge uses LW355-1460 type horizontal spiral discharge sedimentation centrifuges, it is by the iron cement in light electrolysis water outlet from mixing
Come is isolated in liquid, easy to the processing of next step.
(6) electrochemical catalytic oxidization equipment
The size of electrochemical catalytic oxidization equipment is 1.7mX1.25mX2.0m, dischargeable capacity 4m3, retention time of sewage 2.0h.In equipment
Equipped with electrode plate and special filler, the DC current provided by power supply occurs electroxidation and acts on.Air inflow is 0.5m3/ h, into
Water is 1.1m3/h。
(7) biochemical buffer pond
The size in biochemical buffer pond is 16.0mX10.0mX3.2m.Mix the sewage from electrified equipment, part sanitary sewage,
Part low concentration production waste water and part rainwater etc., biochemical MBR influent CODs are reduced to a certain extent, while improve waste water
Biodegradability.
(8) MBR membrane bioreactors
The size of MBR membrane bioreactors is 9.0mX3.0mX3.0m, irony reactor, dischargeable capacity 80m3, waste water stop
Total time is 7d.Aerobic zone and film area are equipped with aerating pipelines in reactor.
3. operating condition
3.1 each unit operating conditions are specifically shown in Table 2.
2 each processing unit effluent quality of table
Effluent quality after 3.2 wastewater treatments
Waste water effluent quality after processing need to reach《Integrated wastewater discharge standard》(GB8978-196) primary standard, its water outlet
Water quality is specifically shown in Table 3.
3 effluent quality index of table
It was found from from each processing unit operation result in table 2, when raw water influent COD value is 19500mg/L, materializing strategy process
COD, which is removed, reaches 81.1%, and organic matter treatment effeciency is higher；B/C values bring up to 0.5 ~ 0.6 by intake 0.2, and biodegradability has
It is greatly improved.MBR biochemical treatments, the effluent quality as known to table 3 are passed through in materializing strategy water outlet again after the adjusting in biochemical buffer pond
Reach discharge standard.
Claims (5)
1. a kind of chemical wastewater treatment technique, it is characterised in that level-one tune acid distribution reservoir, one are sequentially entered behind the adjusted pond of waste water
Level Aerated micro-electrolysis reactor, two level tune acid distribution reservoir, the reaction of two level Aerated micro-electrolysis, coagulation regulating reservoir, centrifuge, a grading
Pond, level-one electrocatalysis oxidation device, two level distribution reservoir, two level electrocatalysis oxidation device, the connection of biochemical buffer pond, finally by MBR
Discharged after membrane bioreactor, wherein：
(1) homogeneous adjusting is handled
Waste water carries out Homogenization Treatments in homogeneous regulating reservoir, and hydraulic detention time 3d, homogeneous regulating reservoir is interior to be equipped with blast aeration
Pipeline；
(2) acid treatment is adjusted
Waste water is subjected to acidification in sour distribution reservoir is adjusted, hydraulic detention time 2.0h adjusts the PH to 3 ~ 4 of waste water, in pond
Wall does anti-corrosion, and aerating pipelines are equipped with pond and are used to adjust sour mixing；
(3) Aerated micro-electrolysis reaction treatment
In Aerated micro-electrolysis reactor, retention time of sewage 2.5h, is provided with electromagnetic flowmeter on equipment connecting line, is used for
Statistics and control flow；
(4) coagulation adjusting is handled
Waste water pH value is adjusted to after 8 ~ 9 in coagulation regulating reservoir iron cement is removed by centrifuge, waste water is laggard through removing iron cement
Enter electro-oxidation reactor and biochemical reactor；
（5）Centrifugal treating
By sedimentation centrifuge, the iron cement in light electrolysis water outlet is isolated into Come from mixed liquor, easy to the processing of next step；
(6) electrochemical catalytic oxidization is handled
Residence time 2.0h in waste water electrochemical catalytic oxidization equipment, equipment is interior to be equipped with electrode plate and catalyst, passes through what power supply provided
Electroxidation effect occurs for DC current；
(7) biochemical buffer is handled
In biochemical buffer pond mix the waste water from electrified equipment, part sanitary sewage, part low concentration production waste water and
Part rainwater etc., biochemical MBR influent CODs are reduced to a certain extent, while improve the biodegradability of waste water；
(8) MBR membrane biological reactions are handled
In MBR membrane bioreactors, it is 7d that waste water, which stops total time, and aerobic zone and film area are equipped with aerating pipelines in reactor.
A kind of 2. chemical wastewater treatment technique as claimed in claim 1, it is characterised in that the level-one tune acid distribution reservoir
Middle addition hydrochloric acid or sulfuric acid.
3. a kind of chemical wastewater treatment technique as claimed in claim 1, it is characterised in that add in the two level tune acid distribution reservoir
1 ceria of catalyst is added while entering hydrochloric acid or sulfuric acid.
4. a kind of chemical wastewater treatment technique as claimed in claim 1, it is characterised in that in the coagulation regulating reservoir plus alkali is
White lime.
5. a kind of chemical wastewater treatment technique as claimed in claim 1, it is characterised in that add and urge in the two level distribution reservoir
2 iron oxide of agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711422986.1A CN108033645A (en) | 2017-12-25 | 2017-12-25 | A kind of chemical wastewater treatment technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711422986.1A CN108033645A (en) | 2017-12-25 | 2017-12-25 | A kind of chemical wastewater treatment technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108033645A true CN108033645A (en) | 2018-05-15 |
Family
ID=62101062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711422986.1A Pending CN108033645A (en) | 2017-12-25 | 2017-12-25 | A kind of chemical wastewater treatment technique |
Country Status (1)
| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115385515A (en) * | 2021-05-24 | 2022-11-25 | 上海斯纳普膜分离科技有限公司 | Treatment method of membrane-making wastewater |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084470A (en) * | 2014-05-09 | 2015-11-25 | 广州桑尼环保科技有限公司 | Spherical catalytic microelectrolytic environment-friendly material and preparation method therefor |
| CN105800862A (en) * | 2014-12-31 | 2016-07-27 | 北京清大国华环境股份有限公司 | Rubber wastewater treatment method and apparatus thereof |
-
2017
- 2017-12-25 CN CN201711422986.1A patent/CN108033645A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084470A (en) * | 2014-05-09 | 2015-11-25 | 广州桑尼环保科技有限公司 | Spherical catalytic microelectrolytic environment-friendly material and preparation method therefor |
| CN105800862A (en) * | 2014-12-31 | 2016-07-27 | 北京清大国华环境股份有限公司 | Rubber wastewater treatment method and apparatus thereof |
Non-Patent Citations (1)
| Title |
|---|
| 渐明柱;李德生;薛敏涛;陈爱华;范太兴;: "电化学预处理与MBR工艺联合处理制膜废水" * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115385515A (en) * | 2021-05-24 | 2022-11-25 | 上海斯纳普膜分离科技有限公司 | Treatment method of membrane-making wastewater |
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Application publication date: 20180515 |