CN204097295U - A kind of catalytic ozonation associating BAF integration apparatus - Google Patents
A kind of catalytic ozonation associating BAF integration apparatus Download PDFInfo
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- CN204097295U CN204097295U CN201420603479.3U CN201420603479U CN204097295U CN 204097295 U CN204097295 U CN 204097295U CN 201420603479 U CN201420603479 U CN 201420603479U CN 204097295 U CN204097295 U CN 204097295U
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- 230000003197 catalytic effect Effects 0.000 title claims abstract description 29
- 238000006385 ozonation reaction Methods 0.000 title claims abstract description 25
- 230000010354 integration Effects 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 37
- 230000003647 oxidation Effects 0.000 claims abstract description 36
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 17
- 238000009826 distribution Methods 0.000 claims abstract description 9
- 239000000945 filler Substances 0.000 claims description 10
- 238000013022 venting Methods 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 4
- 239000002351 wastewater Substances 0.000 abstract description 27
- 239000000126 substance Substances 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 9
- 230000015556 catabolic process Effects 0.000 abstract description 7
- 238000006731 degradation reaction Methods 0.000 abstract description 7
- 238000004090 dissolution Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- -1 pharmacy Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- WLODWTPNUWYZKN-UHFFFAOYSA-N 1h-pyrrol-2-ol Chemical compound OC1=CC=CN1 WLODWTPNUWYZKN-UHFFFAOYSA-N 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 239000012028 Fenton's reagent Substances 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000006053 organic reaction Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model proposes a kind of catalytic ozonation associating BAF integration apparatus, solve in existing ozonation technology the problem that ozone utilization rate is low, oxidation capacity is low, working cost is high.Comprise equalizing tank, lift pump, ozone machine, recycle pump, catalyzed oxidation tower, BAF and ejector, equalizing tank output terminal is connected with recycle pump input terminus by lift pump, the input terminus of recycle pump is also connected with the circulating water outlet of catalyzed oxidation tower, circulation delivery side of pump is connected with the circulating water intake of catalyzed oxidation tower, circulating water intake is also connected with ozone machine, and total water outlet of catalyzed oxidation tower is connected with BAF.The dissolution rate of the utility model ozone is improved, and the water distribution uniformity of middle and upper part backflow and titanium alloy water distributor adds the contact area of waste water and catalyzer, improves catalytic ozonation efficiency.The organic substance decomposing of difficult degradation can be the organism of easily degraded by catalyzed oxidation tower, improves the organic biodegradability of biological degradation.
Description
Technical field
The utility model relates to a kind of wastewater treatment equipment, is specifically related to a kind of device using ozonation technology to dispose of sewage.
Background technology
Hardly degraded organic substance multi-source in waste water is in industries such as chemical industry, man-made fiber, pharmacy, dyestuff, papermaking.It is high that it often has COD value, and B/C value difference is greatly different, and biodegradability is poor, the feature that colourity is dark, toxicity is large, and for the singularity of its industry, such as produce antibiotic waste water, be difficult to be degraded by microorganisms.Utilize traditional biochemical procss for treating waste water to be difficult to reach emission request, and the compositions such as microbiotic in waste water likely suppress beneficial microorganism growth in waste water, destroy the good operation of biochemical treatment of wastewater.At present, for the process of this type of organic wastewater with difficult degradation thereby, still mostly select the treatment technology based on biochemical process, therefore, other method must be adopted to carry out pre-treatment to it, to improve the biodegradability of waste water or to improve the biochemical character of waste water, make waste water secondary biochemical treatment more effective.Can be used for the pretreated method of high concentrated organic wastewater both at home and abroad mainly contains electrolytic process, hydrolysis acidification method, flocculation and absorption method, Fenton reagent method, Ozonation at present.Wherein Ozonation has that oxidation capacity is strong, response speed soon, does not produce the advantage such as mud, non-secondary pollution, and can play the effects such as decolouring, deodorizing, sterilization, is the focus of Recent study always.But ozone oxidation reaction has stronger selectivity, in order to strengthen ozonize effect, the ozone preconditioning technique grown up at present mainly catalytic oxidation and high-level oxidation technology.
Ozonation technology is owing to having advantage that is efficient, non-secondary pollution, and quantity and the field of application are increasing, existing more application in process high density, organic wastewater with difficult degradation thereby, as the waste water of: percolate, weaving, pharmacy and chemical industry.The comrades such as Wu Ling are by ozonize Coking Plant Wastewater, and after 20min, COD clearance reaches 82%, and phenol content reduces to 17mg/L by 282mg/L, and the clearance of thiocyanide or prussiate reaches 100%.The waste water of a printing and dyeing mill of Germany is after ozonation treatment 12min, and in dyestuff, the concentration of COD value, AOX and polyvinyl alcohol reduces 60% ~ 80%, 60% and 50% respectively.The waste water of the ozonize Shanghai pharmaceutical factory that Shi Yao etc. utilize yellow phosphorus to bring out, hydroxyl pyrrole crop, hydroxy imidazole ketone, ester class and some heterocycle materials is mainly contained in this waste water, COD is 123057mg/L, BOD is 49528mg/L, after the process of ozone short period of time, COD clearance is 35.16%, and the chemical substance of complexity is degraded to tractable small molecules, and biodegradability improves about 1.4 times.
Although the application of ozonation technology in water treatment is very extensive, also demonstrate incomparable superiority, it also also exists certain limitation, and 1. the utilising efficiency of ozone is not high, adds that the cost incurred of ozone is high, causes ozonize costly; But along with people manufacture the raising of level of ozone, the problem that the cost incurred of ozone is high is just constantly overcome.Existing document announcement shows, is directed to unmanageable waste water and adopts ozonize unit lower than conventional water treatment process working cost; 2. ozone and organic reaction have stronger selectivity.So how to improve the research emphasis that the utilising efficiency of ozone and oxidation capacity are ozonation technologies further.
Utility model content
The utility model proposes a kind of catalytic ozonation associating BAF integration apparatus, solve in existing ozonation technology the problem that ozone utilization rate is low, oxidation capacity is low, working cost is high.
The technical solution of the utility model is achieved in that a kind of catalytic ozonation associating BAF integration apparatus, comprise equalizing tank, lift pump, ozone machine, recycle pump, catalyzed oxidation tower, BAF and ejector, the output terminal of equalizing tank is connected with recycle pump input terminus by lift pump, the input terminus of recycle pump is also connected with the circulating water outlet of catalyzed oxidation tower, circulation delivery side of pump is connected with the circulating water intake of catalyzed oxidation tower, circulating water intake is also connected with ozone machine, and total water outlet of catalyzed oxidation tower is connected with BAF.
Described catalyzed oxidation tower comprises tower body, tower body upper and lower is equipped with interface of the level gauge, tower body sidewall is also provided with vision slit and discharge opening, circulating water intake is arranged on bottom tower body, tower body top is provided with two water collectors, and water collector water side, top is total water outlet, and the water side of below water collector is circulating water outlet, tower body 6-4 portion is provided with titanium alloy water distributor, is provided with catalytic filler layer above titanium alloy water distributor.
The water distribution mouth of described titanium alloy water distributor is circumferentially distributed on titanium alloy water distributor, and water distribution mouth is divided into inside and outside two-layer.
The catalytic filler layer of described catalytic filler layer to be carrier be aluminum oxide or silicon oxide.
Described tower body top is also provided with venting port, and venting port is connected with active carbon adsorber.
Described water collector comprises header and collection branch pipe, and collection branch pipe is arranged in parallel, and the outer face of collection branch pipe is arranged on same periphery.
In the utility model, catalyzed oxidation tower is bottom water inlet, middle and upper part backflow, top water outlet, ozone is mixed in waste water by the negative pressure that middle and upper part flowing water is produced by titanium alloy water distributor, the dissolution rate of ozone is improved, the junction that middle and upper part backflow adds waste water and catalyzer is amassed, and improves catalytic ozonation efficiency.The organic substance decomposing of difficult degradation can be the organism of easily degraded by catalyzed oxidation tower, improve the organic biodegradability of biological degradation, processed by BAF more afterwards, compared with prior art, the utility model can reduce equipment investment cost, reduces running cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of catalyzed oxidation tower.
Fig. 3 is that the A-A of Fig. 2 is to cross-sectional schematic.
Fig. 4 is Water collector structure schematic diagram.
Wherein: 1. equalizing tank, 2. lift pump, 3. ozone machine, 4. recycle pump, 5. BAF, 6. catalyzed oxidation tower, 6-1. circulating water outlet, 6-2. circulating water intake, the total water outlet of 6-3., 6-4. tower body, 6-5. vision slit, 6-6. discharge opening, 6-7. interface of the level gauge, 6-8. water collector, 6-8-1. collection branch pipe, 6-8-2. header, 6-9. catalytic filler layer, 6-10. titanium alloy water distributor, 6-10-1. water distribution mouth, 6-11. venting port, 7. ejector.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not paying the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, a kind of catalytic ozonation associating BAF integration apparatus, comprise equalizing tank 1, lift pump 2, ozone machine 3, recycle pump 4, catalyzed oxidation tower 6, BAF 5 and ejector 7, the output terminal of equalizing tank 1 is connected with recycle pump 4 input terminus by lift pump 2, the input terminus of recycle pump 4 is also connected with the circulating water outlet 6-1 of catalyzed oxidation tower 6, the output terminal of recycle pump 4 is connected with the circulating water intake 6-2 of catalyzed oxidation tower 6, circulating water intake 6-2 is also connected with ozone machine 3, total water outlet 6-3 of catalyzed oxidation tower 6 is connected with BAF 5.
The utility model technical process is as follows: sewage is introduced into equalizing tank 1, the Main Function of equalizing tank is homogeneous and all measures, under the effect of lift pump 2, the circulating water outlet pipeline of catalyzed oxidation tower 6 is entered through the pretreated sewage of equalizing tank 1, catalyzed oxidation tower 6 is entered mix ozone by ejector 7 after recycle pump pressurization after, water-soluble ozone reacts with catalyzer after entering catalyzed oxidation tower, ozone catalytic is converted into the hydroxyl radical free radical OH that oxidisability is stronger and selectivity is low by catalyzer, those can be difficult to the oxidation operation being oxidized separately with ozone or degrading, greatly improve utilising efficiency and the oxidation capacity of ozone.Not only can remove partial organic substances, hardly degraded organic substance can also be decomposed into the organism of easily degraded, improve the biodegradability of refractory organic, then carry out biochemical treatment by follow-up BAF 5, reduce working cost.
As shown in Figure 2, catalyzed oxidation tower 6 comprises tower body 6-4, tower body 6-4 upper and lower is equipped with interface of the level gauge 6-7, tower body 6-4 sidewall is also provided with vision slit 6-5 and discharge opening 6-6, circulating water intake 6-2 is arranged on bottom tower body 6-4, tower body 6-4 top is provided with two water collector 6-8, water collector 6-8 water side, top is total water outlet 6-3, the water side of below water collector 6-8 is circulating water outlet 6-1, be provided with titanium alloy water distributor 6-10 bottom tower body 6-4, above titanium alloy water distributor 6-10, be provided with catalytic filler layer 6-9.
Catalyzed oxidation tower 6 is that the circulating water intake 6-2 of bottom is intake, and the circulating water outlet 6-1 of middle and upper part refluxes, total water outlet 6-3 water outlet on top, and ozone is mixed in waste water by the negative pressure that middle and upper part flowing water is produced by titanium alloy water distributor 6-10.The waste water of middle and upper part backflow is after jet, and the dissolution rate of ozone is improved, and the junction that middle and upper part backflow adds waste water and catalyzer is amassed, and improves catalytic ozonation efficiency.The dosage of ozone can be reduced according to practical situation when meeting processing requirement.
As shown in Figure 3, the water distribution mouth 6-10-1 of described titanium alloy water distributor 6-10 is circumferentially distributed on titanium alloy water distributor, and water distribution mouth 6-10-1 is divided into inside and outside two-layer.This decoration form can make titanium alloy water distributor 6-10 water distribution even, and ozone can be made better to mix with waste water.
Preferably, the catalytic filler layer of described catalytic filler layer 6-9 to be carrier be aluminum oxide or silicon oxide.It is carrier that catalyzer in catalyst filling layer 6-9 can adopt particle diameter to be the aluminum oxide of 2 ~ 6mm or silicon oxide, first carry out activation treatment, select the precursor of nitrate as active ingredient of one or more of Co, Mn, Ru, Fe, Cu, Zn etc., after wiring solution-forming, with equi-volume impregnating by active constituent loading on carrier, then 120 DEG C of oven dry, roasting 4h at 400 DEG C, namely obtaining load quality mark is 1% ~ 10% loading type ozone catalyst do not waited, and catalyzer can improve its ozone catalytic activity.
As preferably, described tower body 4 top is also provided with venting port 6-11, and venting port 6-11 is connected with active carbon adsorber.The impurity of mixing in gas that active carbon adsorber can to adsorb in venting port 6-11 is out set, deduction and exemption atmospheric pollution.
As shown in Figure 4, described water collector 6-8 comprises header 6-8-2 and collection branch pipe 6-8-1, and collection branch pipe 6-8-1 is arranged in parallel, and the outer face of collection branch pipe 6-8-1 is arranged on same periphery.After arranging like this, the water in tower body 6-4 can be flowed out by water collector 6-8 very easily.
When the utility model uses, when the COD (chemical oxygen demand (COD) in waste water, chemical oxygen demand) and the dosage ratio of ozone is 1.15: 1 time the most economical, COD drops to comparatively low spot, simultaneously B/C (ratio of biochemical oxygen demand (BOD) and chemical oxygen demand (COD)) rises to 0.4 by 0.2, for BAF provides can the waste water of biochemistry.Catalytic ozonation and BAF all have ring opening to the aromatic essence being difficult to biochemical degradation, not only this process integration reaches while open loop improves the B/C of sewage but also removes the object of COD, therefore can reduce equipment investment cost and working cost.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a catalytic ozonation associating BAF integration apparatus, comprise equalizing tank (1), lift pump (2), ozone machine (3), recycle pump (4), catalyzed oxidation tower (6), BAF (5) and ejector (7), it is characterized in that: the output terminal of equalizing tank (1) is connected with recycle pump (4) input terminus by lift pump (2), the input terminus of recycle pump (4) is also connected with the circulating water outlet (6-1) of catalyzed oxidation tower (6), the output terminal of recycle pump (4) is connected with the circulating water intake (6-2) of catalyzed oxidation tower (6), circulating water intake (6-2) is also connected with ozone machine (3), total water outlet (6-3) of catalyzed oxidation tower (6) is connected with BAF (5).
2. catalytic ozonation associating BAF integration apparatus according to claim 1, it is characterized in that: described catalyzed oxidation tower (6) comprises tower body (6-4), tower body (6-4) upper and lower is equipped with interface of the level gauge (6-7), tower body (6-4) sidewall is also provided with vision slit (6-5) and discharge opening (6-6), circulating water intake (6-2) is arranged on tower body (6-4) bottom, tower body (6-4) top is provided with two water collectors (6-8), water collector (6-8) water side, top is total water outlet (6-3), the water side of below water collector (6-8) is circulating water outlet (6-1), tower body (6-4) bottom is provided with titanium alloy water distributor (6-10), titanium alloy water distributor (6-10) top is provided with catalytic filler layer (6-9).
3. catalytic ozonation associating BAF integration apparatus according to claim 2, it is characterized in that: the water distribution mouth (6-10-1) of described titanium alloy water distributor (6-10) is circumferentially distributed on titanium alloy water distributor, and water distribution mouth (6-10-1) is divided into inside and outside two-layer.
4. catalytic ozonation according to claim 3 associating BAF integration apparatus, is characterized in that: the catalytic filler layer of described catalytic filler layer (6-9) to be carrier be aluminum oxide or silicon oxide.
5. catalytic ozonation associating BAF integration apparatus according to claim 2, it is characterized in that: described tower body (4) top is also provided with venting port (6-11), venting port (6-11) is connected with active carbon adsorber.
6. according to the catalytic ozonation associating BAF integration apparatus one of claim 2 ~ 5 Suo Shu, it is characterized in that: described water collector (6-8) comprises header (6-8-2) and collection branch pipe (6-8-1), collection branch pipe (6-8-1) is arranged in parallel, and the outer face of collection branch pipe (6-8-1) is arranged on same periphery.
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| CN201420603479.3U CN204097295U (en) | 2014-10-20 | 2014-10-20 | A kind of catalytic ozonation associating BAF integration apparatus |
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| CN201420603479.3U CN204097295U (en) | 2014-10-20 | 2014-10-20 | A kind of catalytic ozonation associating BAF integration apparatus |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104926034A (en) * | 2015-06-11 | 2015-09-23 | 武汉钢铁(集团)公司 | Technology and device for treating coking wastewater through ozone catalytic oxidation combined biofilter |
| CN105540927A (en) * | 2016-01-11 | 2016-05-04 | 新疆环境工程技术有限责任公司 | Cotton pulp wastewater treatment integration technology |
| CN106746034A (en) * | 2017-03-01 | 2017-05-31 | 南京大学盐城环保技术与工程研究院 | A kind of device and method of two-stage gradient ozone catalytic fluidized bed deep treatment biochemical tail water |
| CN107445292A (en) * | 2017-09-18 | 2017-12-08 | 北京欧奏普尔环保设备有限公司 | Efficiently catalyzing and oxidizing reaction unit |
| CN107759026A (en) * | 2017-11-21 | 2018-03-06 | 南京万德斯环保科技股份有限公司 | The devices and methods therefor of catalytic ozonation aeration bio-filtering tower collaboration processing percolate MBR water outlets |
| CN113716756A (en) * | 2021-09-18 | 2021-11-30 | 上海中耀环保实业有限公司 | Non-load type ozone catalytic oxidation sewage treatment system and method |
| CN113860666A (en) * | 2021-11-09 | 2021-12-31 | 福建省海凝环保科技有限公司 | Biochemical and advanced oxidation coupled sewage treatment process |
-
2014
- 2014-10-20 CN CN201420603479.3U patent/CN204097295U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104926034A (en) * | 2015-06-11 | 2015-09-23 | 武汉钢铁(集团)公司 | Technology and device for treating coking wastewater through ozone catalytic oxidation combined biofilter |
| CN105540927A (en) * | 2016-01-11 | 2016-05-04 | 新疆环境工程技术有限责任公司 | Cotton pulp wastewater treatment integration technology |
| CN106746034A (en) * | 2017-03-01 | 2017-05-31 | 南京大学盐城环保技术与工程研究院 | A kind of device and method of two-stage gradient ozone catalytic fluidized bed deep treatment biochemical tail water |
| CN107445292A (en) * | 2017-09-18 | 2017-12-08 | 北京欧奏普尔环保设备有限公司 | Efficiently catalyzing and oxidizing reaction unit |
| CN107759026A (en) * | 2017-11-21 | 2018-03-06 | 南京万德斯环保科技股份有限公司 | The devices and methods therefor of catalytic ozonation aeration bio-filtering tower collaboration processing percolate MBR water outlets |
| CN113716756A (en) * | 2021-09-18 | 2021-11-30 | 上海中耀环保实业有限公司 | Non-load type ozone catalytic oxidation sewage treatment system and method |
| CN113860666A (en) * | 2021-11-09 | 2021-12-31 | 福建省海凝环保科技有限公司 | Biochemical and advanced oxidation coupled sewage treatment process |
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