CN105858950A - Dyeing wastewater advanced treatment method and device by using ozone, oxydol and activated carbon - Google Patents
Dyeing wastewater advanced treatment method and device by using ozone, oxydol and activated carbon Download PDFInfo
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- CN105858950A CN105858950A CN201610217086.2A CN201610217086A CN105858950A CN 105858950 A CN105858950 A CN 105858950A CN 201610217086 A CN201610217086 A CN 201610217086A CN 105858950 A CN105858950 A CN 105858950A
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- activated carbon
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- water outlet
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 143
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 76
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 239000002351 wastewater Substances 0.000 title claims abstract description 42
- 238000004043 dyeing Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 25
- 229960002163 hydrogen peroxide Drugs 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000000835 fiber Substances 0.000 claims abstract description 17
- 239000003054 catalyst Substances 0.000 claims abstract description 13
- 238000011084 recovery Methods 0.000 claims abstract description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 7
- 239000001301 oxygen Substances 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 6
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims abstract description 4
- 238000002360 preparation method Methods 0.000 claims description 9
- 238000011001 backwashing Methods 0.000 claims description 7
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 claims description 3
- 238000006731 degradation reaction Methods 0.000 claims description 3
- 239000007800 oxidant agent Substances 0.000 claims description 3
- 238000009298 carbon filtering Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000003197 catalytic effect Effects 0.000 abstract description 3
- 238000011010 flushing procedure Methods 0.000 abstract 3
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000008569 process Effects 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 238000004065 wastewater treatment Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000010842 industrial wastewater Substances 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 229920002955 Art silk Polymers 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000009303 advanced oxidation process reaction Methods 0.000 description 1
- 238000005904 alkaline hydrolysis reaction Methods 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000006053 organic reaction Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
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)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention relates to a dyeing wastewater advanced treatment method and device by using ozone, oxydol and activated carbon. The method comprises the following steps: floatation effluent water passes through a fiber rotary table filter tank to remove suspended substances and enters a quick mixing tank, H2O2 is added into the quick mixing tank, the effluent water enters an ozone contact tank, H2O2 and O3 are simultaneously added into the tank to degrade nondegradable organic matters, the effluent water enters an activated carbon filter tank, and ozone is added into the activated carbon filter tank; the effluent water of the activated carbon filter tank enters a filter tank effluent water storage tank, and is discharged by a pump; and by using the filter tank effluent water storage tank as a back flushing water tank, back flushing wastewater is discharged into the activated carbon filter tank to perform back flushing on a wastewater recovery tank. By using the H2O2 and the activated carbon which carries the Fe2O3-CuO-MnO2-CeO2 catalyst and adding the ozone in different stages, the method has the characteristics of high catalytic efficiency, high ozone utilization ratio, favorable COD (chemical oxygen demand) removal effect, low cost and the like, so that the device has the characteristics of high treatment efficiency, high economy, high stability, high reliability, low carbon and environment friendliness.
Description
[technical field]
The present invention relates to a kind of method of wastewater treatment and device, be specifically related to a kind of ozone, hydrogen peroxide and the activated carbon method and device to dyeing waste water advanced treating, belong to industrial waste water treatment.
[background technology]
Printing and dyeing enterprise is industrial wastewater discharge rich and influential family, and it has the features such as the water yield is big, organic pollution content is high, colourity is deep, alkalescence is big, change of water quality is big, belongs to intractable industrial wastewater.Current domestic conventional printing-dyeing waste water treatment process, is broadly divided into two big classes: one is physico-chemical process, i.e. adds flocculant and carries out precipitating or air supporting, removes the pollutant in waste water.Due to dosing costly, remove pollutant not thoroughly, sludge quantity is big and is difficult to process further, certain secondary pollution can be produced, be not used alone；Two is biochemical process, i.e. utilizes the effect of microorganism, makes organic matter degradation in sewage, absorption remove.Due in recent years, a large amount of bio-refractory Organic substances such as PVA slurry, artificial silk alkaline hydrolysis thing (mainly O-phthalic acids material), New-type adjuvant etc. enter dyeing waste water, and traditional biological treatment is by serious challenge.In addition country improves constantly the requirement of discharge water quality, reaches to put forward target by the method for advanced treating and requires also to become the problem that current environmental protection industry (epi) is paid close attention to.
The most popular various depth logos have: BAF, advanced oxidation processes (Fenton, ozone), physisorphtion and membrane separation technique etc..BAF operating cost is relatively low, but it is affected bigger by change of water quality；Fenton process needs regulate pH and add a large amount of iron salt, causes salt content in water outlet higher, is unfavorable for reuse, also can form a large amount of mud, increases intractability；Absorption method mainly utilizes the loose structure of activated carbon, macroporous adsorbent resin, carries out the removal of hard-degraded substance, investment height, and operating cost is high.Running, early stage outlet effect is the best, but along with the absorption of activated carbon is saturated, outlet effect is gradually deteriorated, until system completely loses removal ability, needs to regenerate activated carbon.And renovation process is complicated, regeneration times is limited, and producing substantial amounts of useless charcoal is secondary pollution.
Ozone has strong oxidizing property, has sterilization, oxidation of organic compounds, removes colourity, is widely used in processing waste water.But it is the highest, costly and have the problems such as relatively strong selectivity with organic reaction to there is also utilization rate when using independent ozone oxidation.
Therefore, in order to improve utilization ratio and the oxidability of ozone further, solving above-mentioned technical problem, a kind of ozone of necessary offer combines the activated carbon of hydrogen peroxide and the supported catalyst device to dyeing waste water advanced treating, to overcome described defect of the prior art.
[summary of the invention]
For solving above-mentioned technical problem, it is an object of the invention to provide a kind of ozone utilization rate high, excellent catalytic effect, high treating effect, sludge output is few, the ozone of low cost, hydrogen peroxide and the activated carbon method to dyeing waste water advanced treating.
Another object of the present invention is to the device providing a kind of ozone, hydrogen peroxide and activated carbon to dyeing waste water advanced treating.
For realizing above-mentioned first purpose, the technical scheme that the present invention takes is: ozone, hydrogen peroxide and the activated carbon method to dyeing waste water advanced treating, and it comprises the following steps that:
1), air supporting water outlet, through fibre turntable filter chamber, removes oil removal；
2), fibre turntable filter chamber water outlet enters rapidly miscible pool, and rapidly miscible pool adds the H that mass fraction is 27.5%2O2As oxidant；
3) rapidly miscible pool water outlet flows into ozone contact tank, and this pond adds the H of 27.5% simultaneously2O2And O3The Organic substance of degraded difficult degradation further；
4), ozone contact tank water outlet is intake bottom activated carbon filter, upper end water outlet, and adds ozone；
5), activated carbon filter water outlet enters filter tank water outlet cistern, discharges through pump；
6), activated carbon filter backwash, utilize water outlet cistern in filter tank as backwash water pond, the waste water after backwash enters activated carbon filter backwashing wastewater recovery pond.
The ozone of the present invention combines the activated carbon of hydrogen peroxide and supported catalyst: activated carbon supported Fe2O3-CuO-MnO2-CeO2Catalyst.
The ozone of the present invention combines the activated carbon of hydrogen peroxide and supported catalyst: the total dosage of ozone is 50ppm to the maximum.
The ozone of the present invention combines the activated carbon of hydrogen peroxide and supported catalyst: it is 1:2-1:5 that hydrogen peroxide and ozone add mol ratio.
The ozone of the present invention combines the activated carbon of hydrogen peroxide and supported catalyst: the time of contact of ozone contact tank is 1 hour, and the time of contact of activated carbon filter is 30min.
The ozone of the present invention combines the activated carbon of hydrogen peroxide and supported catalyst: the COD of entrance fibre turntable filter chamber waste water is not higher than 130mg/L, SS and is less than 70mg/L, and pH is between 6 ~ 9.
For realizing above-mentioned second purpose, the technical scheme that the present invention takes is: ozone, hydrogen peroxide and the activated carbon device to dyeing waste water advanced treating, it includes fibre turntable filter chamber, rapidly miscible pool, ozone contact tank, activated carbon filter, filter tank water outlet cistern, oxygen preparation station and ozone preparation station；Wherein, described fibre turntable filter chamber, rapidly miscible pool, ozone contact tank, activated carbon filter and filter tank water outlet cistern are sequentially connected with；Described oxygen is prepared station and is connected to ozone preparation station；Described ozone is prepared station and is respectively connecting to ozone contact tank and activated carbon filter；Connect between described activated carbon filter and filter tank water outlet cistern and have a backwash tube.
The device of dyeing waste water advanced treating is further arranged to by the ozone of the present invention, hydrogen peroxide and activated carbon: the bottom of described activated carbon filter connects active carbon filtering pool backwashing wastewater recovery pond.
Compared with prior art, there is advantages that
1. the ozone of the present invention combines the activated carbon of hydrogen peroxide and supported catalyst and the device of dyeing waste water advanced treating is had ozone segmentation adds, in conjunction with H2O2, the activated carbon of supported catalyst, there is more preferable catalytic performance, ozone utilization rate is high, can improve effluent quality, produces sludge quantity few, effectively reduces operating cost；
2. the device of the dyeing waste water advanced treating of the present invention adopts the obvious processing effect that ozone combines the activated carbon of hydrogen peroxide and supported catalyst, and effluent color dilution is less than 5 times, other index: COD < 60mg/L,
SS < 20mg/L, reaches urban wastewater treatment firm pollutant emission one-level B standard；
3. the device of the dyeing waste water advanced treating of the present invention does not has new pollutant to introduce, it is not necessary to the conditions such as High Temperature High Pressure, technique and simple to operate, and operating cost is low, can promote at printing and dyeing enterprise and sewage treatment plant.
[accompanying drawing explanation]
Fig. 1 is the ozone of the present invention, hydrogen peroxide and the activated carbon process chart to the device of dyeing waste water advanced treating.
[detailed description of the invention]
Refer to shown in Figure of description 1, the present invention is a kind of ozone, hydrogen peroxide and the activated carbon device to dyeing waste water advanced treating, and it is prepared several parts such as station 6, ozone preparation station 7 and activated carbon filter backwashing wastewater recovery pond 8 formed by fibre turntable filter chamber 1, rapidly miscible pool 2, ozone contact tank 3, activated carbon filter 4, filter tank water outlet cistern 5, oxygen.
Wherein, described fibre turntable filter chamber 1, rapidly miscible pool 2, ozone contact tank 3, activated carbon filter 4 and filter tank water outlet cistern 5 are sequentially connected with.
Described oxygen preparation station 6 is connected to ozone and prepares station 7；Described ozone preparation station 7 is respectively connecting to ozone contact tank 3 and activated carbon filter 4.
Connect between described activated carbon filter 4 and filter tank water outlet cistern 5 and have a backwash tube.
Described activated carbon filter backwashing wastewater recovery pond 8 is connected to the bottom of activated carbon filter 4.
Use assembly of the invention as follows to the processing step of dyeing waste water advanced treating:
1), air supporting water outlet, through fibre turntable filter chamber 1, removes oil removal；
2), flowing into rapidly miscible pool 2 after fibre turntable filter chamber 1 water outlet arrival work liquid level, rapidly miscible pool adds the H that mass fraction is 27.5%2O2As oxidant, in order to follow-up ozone contact tank 3 ozone adds and can reach most preferably to add state；
3), rapidly miscible pool 2 water outlet enters ozone contact tank 3, and ozone contact tank 3 is divided into 3 lattice, and every lattice all add O3, add mass fraction is 27.5% simultaneously
H2O2, this pond time of staying is 1 hour；
4), ozone contact tank 3 water outlet is intake bottom activated carbon filter 4, upper end water outlet, and this stage also adds ozone, and this pond time of staying is 30min；Wherein, the activated carbon supported Fe in described activated carbon filter 42O3-CuO-MnO2-CeO2Catalyst.
5), activated carbon filter 4 water outlet enters filter tank water outlet cistern 5, discharges through pump；
6), when activated carbon filter 4 needs backwash, utilizing filter tank water outlet cistern 5 as backwash water pond, the waste water after backwash enters activated carbon filter backwashing wastewater recovery pond 8.
Wherein, the total dosage of the ozone of described step 3) and step 4) is 50ppm to the maximum；It is 1:2-1:5 that hydrogen peroxide and ozone add mol ratio.
Before entering fibre turntable filter chamber, water quality index is as follows: CODCr : 130mg/L, colourity: 35 times, SS:70mg/L, pH:7.21；Final outflow water water quality index is as follows: CODCr : 60mg/L, colourity: 8 times, SS:6mg/L, pH:7.66.
By above-mentioned experiment, it can be deduced that to draw a conclusion: enter fibre turntable filter chamber waste water COD be not higher than 130mg/L, SS less than 70mg/L, pH between 6 ~ 9, use this technique that water outlet can be made to reach the standard of one-level B.
Above detailed description of the invention is only the preferred embodiment of this creation, and not in order to limit this creation, all any modification, equivalent substitution and improvement etc. done within this spirit created and principle, within should be included in the protection domain of this creation.
Claims (8)
1. ozone, hydrogen peroxide and the activated carbon method to dyeing waste water advanced treating, it is characterised in that: comprise the following steps that:
1), air supporting water outlet, through fibre turntable filter chamber, removes oil removal；
2), fibre turntable filter chamber water outlet enters rapidly miscible pool, and rapidly miscible pool adds the H that mass fraction is 27.5%2O2As oxidant；
3) rapidly miscible pool water outlet flows into ozone contact tank, and this pond adds the H of 27.5% simultaneously2O2And O3The Organic substance of degraded difficult degradation further；
4), ozone contact tank water outlet is intake bottom activated carbon filter, upper end water outlet, and adds ozone；
5), activated carbon filter water outlet enters filter tank water outlet cistern, discharges through pump；
6), activated carbon filter backwash, utilize water outlet cistern in filter tank as backwash water pond, the waste water after backwash enters activated carbon filter backwashing wastewater recovery pond.
2. ozone as claimed in claim 1, hydrogen peroxide and the activated carbon method to dyeing waste water advanced treating, it is characterised in that: activated carbon supported Fe2O3-CuO-MnO2-CeO2Catalyst.
3. ozone as claimed in claim 1, hydrogen peroxide and the activated carbon method to dyeing waste water advanced treating, it is characterised in that: the total dosage of ozone is 50ppm to the maximum.
4. ozone as claimed in claim 1, hydrogen peroxide and the activated carbon method to dyeing waste water advanced treating, it is characterised in that: it is 1:2-1:5 that hydrogen peroxide and ozone add mol ratio.
5. ozone as claimed in claim 1, hydrogen peroxide and the activated carbon method to dyeing waste water advanced treating, it is characterised in that: the time of contact of ozone contact tank is 1 hour, and the time of contact of activated carbon filter is 30min.
6. ozone as claimed in claim 1, hydrogen peroxide and the activated carbon method to dyeing waste water advanced treating, it is characterised in that: the COD of entrance fibre turntable filter chamber waste water is not higher than 130mg/L, SS and is less than 70mg/L, and pH is between 6 ~ 9.
7. ozone, hydrogen peroxide and the activated carbon device to dyeing waste water advanced treating, it is characterised in that: include fibre turntable filter chamber, rapidly miscible pool, ozone contact tank, activated carbon filter, filter tank water outlet cistern, oxygen preparation station and ozone preparation station；Wherein, described fibre turntable filter chamber, rapidly miscible pool, ozone contact tank, activated carbon filter and filter tank water outlet cistern are sequentially connected with；Described oxygen is prepared station and is connected to ozone preparation station；Described ozone is prepared station and is respectively connecting to ozone contact tank and activated carbon filter；Connect between described activated carbon filter and filter tank water outlet cistern and have a backwash tube.
8. ozone as claimed in claim 1, hydrogen peroxide and the activated carbon method to dyeing waste water advanced treating, it is characterised in that: the bottom of described activated carbon filter connects active carbon filtering pool backwashing wastewater recovery pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610217086.2A CN105858950A (en) | 2016-04-11 | 2016-04-11 | Dyeing wastewater advanced treatment method and device by using ozone, oxydol and activated carbon |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610217086.2A CN105858950A (en) | 2016-04-11 | 2016-04-11 | Dyeing wastewater advanced treatment method and device by using ozone, oxydol and activated carbon |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865911A (en) * | 2017-04-07 | 2017-06-20 | 绍兴柯桥江滨水处理有限公司 | A kind of advanced treatment method for printing and dyeing wastewater and device |
| CN107140760A (en) * | 2017-04-05 | 2017-09-08 | 绍兴柯桥江滨水处理有限公司 | A kind of advanced treatment apparatus for dyeing waste water |
| CN107311397A (en) * | 2017-07-31 | 2017-11-03 | 南京圆点环境清洁技术有限公司 | A kind of industrial waste water disposal device |
| CN108358297A (en) * | 2018-03-12 | 2018-08-03 | 南京科技职业学院 | A kind of dyeing waste water secondary biochemical effluent deep treatment method |
| CN108439710A (en) * | 2018-04-09 | 2018-08-24 | 绍兴柯桥江滨水处理有限公司 | System for advanced treatment of dyeing wastewater |
| CN108569829A (en) * | 2018-06-20 | 2018-09-25 | 泉州华大环保科技有限公司 | A kind of Cotton Spinning Fibre Dyeing Wastewater treatment for reuse device and reuse method |
| CN112537870A (en) * | 2019-09-23 | 2021-03-23 | 浙江联池水务设备股份有限公司 | Integrated water advanced treatment system |
| CN113666543A (en) * | 2021-09-16 | 2021-11-19 | 上海泓济环保科技股份有限公司 | Reverse osmosis concentrated water treatment process for strengthening activated carbon adsorption through catalytic oxidation of ozone |
| CN114349266A (en) * | 2021-12-15 | 2022-04-15 | 江苏京源环保股份有限公司 | Advanced sewage treatment device and method for in-situ generation of hydrogen peroxide and ozone |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107140760A (en) * | 2017-04-05 | 2017-09-08 | 绍兴柯桥江滨水处理有限公司 | A kind of advanced treatment apparatus for dyeing waste water |
| CN107140760B (en) * | 2017-04-05 | 2020-11-10 | 绍兴柯桥江滨水处理有限公司 | A kind of advanced treatment device for printing and dyeing wastewater |
| CN106865911A (en) * | 2017-04-07 | 2017-06-20 | 绍兴柯桥江滨水处理有限公司 | A kind of advanced treatment method for printing and dyeing wastewater and device |
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