CN106495310A - Novel ozone contact reaction tower - Google Patents
Novel ozone contact reaction tower Download PDFInfo
- Publication number
- CN106495310A CN106495310A CN201611126976.9A CN201611126976A CN106495310A CN 106495310 A CN106495310 A CN 106495310A CN 201611126976 A CN201611126976 A CN 201611126976A CN 106495310 A CN106495310 A CN 106495310A
- Authority
- CN
- China
- Prior art keywords
- ozone
- filling layer
- catalyst filling
- tower body
- gas distribution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 34
- 239000003054 catalyst Substances 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000011049 filling Methods 0.000 claims abstract description 51
- 238000009826 distribution Methods 0.000 claims abstract description 39
- 239000007789 gas Substances 0.000 claims description 53
- 238000011001 backwashing Methods 0.000 claims description 22
- 239000006096 absorbing agent Substances 0.000 claims description 14
- 238000005406 washing Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 210000003437 trachea Anatomy 0.000 claims description 5
- 230000006399 behavior Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 238000006731 degradation reaction Methods 0.000 abstract description 3
- 239000006260 foam Substances 0.000 description 5
- 238000012856 packing Methods 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000003643 water by type 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
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a kind of novel ozone contact reaction tower, including tower body (1), the top of tower body (1) is provided with water distributor (2), it is characterised in that：Catalyst filling layer (3) and lower catalyst filling layer (4) are provided with described tower body (1), and the bottom of upper catalyst filling layer (3) and lower catalyst filling layer (4) is correspondingly arranged ozone gas distribution pipe (5) and lower ozone gas distribution pipe (6) respectively.The present invention passes through catalyst filling layer point double layer design, and the bottom of every layer of catalyst filling layer is provided with the ozone gas distribution pipe being disposed proximate to so that catalyst filling layer can realize uniform gas distribution, fully improves the utilization ratio of ozone；Double-deck setting improves the time of contact of water, ozone catalyst and ozone simultaneously, and COD in more preferable degradation water takes full advantage of ozone；And double-deck backwash improves the effect of backwash.
Description
Technical field
The present invention relates to ozone wastewater processing technology field, specifically one kind improve ozone utilization by being layered to arrange
The novel ozone contact reaction tower of efficiency.
Background technology
Existing ozone contact reaction tower in actual applications, there are some problem following：1st, the mass transfer of ozone and water
Effect is poor, and ozone utilization rate is low, and traditional ozone reaction tower is limited by shadow of the size for producing bubble to steam-water mixing effect
Effect is rung, lacks efficient mixing wastewater with air system and efficient rational contact area control so that the utilization ratio drop of ozone
Low；Though other ozone contact mode such as micro-pore aerations and pipe-line mixer can improve the dissolved efficiency of ozone, it is suitable only for short
Temporarily liquid holdup, is still reacted by mass transfer and limit；2nd, it is used for the decomposition for promoting ozone in water using ozone catalyst, accelerates organic
The oxidation rate of thing, catalyst loading pattern are piled up for single gravity type, and gas-water contact area is insufficient, and catalyst price is held high
Expensive, service life is short, and waste water operating cost is higher；3rd, contain substantial amounts of residual ozone in existing catalytic tower tail gas, no
Directly outer can arrange, in addition it is also necessary to which the collection for carrying out ozone is processed.
Content of the invention
The purpose of the present invention is the problem existed for prior art, there is provided one kind improves ozone utilization by being layered to arrange
The novel ozone contact reaction tower of efficiency.
The purpose of the present invention is solved by the following technical programs：
A kind of novel ozone contact reaction tower, including tower body, the top of tower body is provided with water distributor, it is characterised in that：Described
Tower body in be provided with catalyst filling layer and lower catalyst filling layer, and upper catalyst filling layer and lower catalyst filling layer
Bottom is correspondingly arranged ozone gas distribution pipe and lower ozone gas distribution pipe respectively.
Described upper ozone gas distribution pipe is arranged close to the porous plate of upper catalyst filling layer bottom and lower ozone gas distribution pipe is tight
The porous plate of adjacent lower catalyst filling layer bottom is arranged, and the entrance of upper ozone gas distribution pipe is correspondingly arranged the ozone connected with tower body
The entrance of enterprising trachea and lower ozone gas distribution pipe is correspondingly arranged the ozone lower inlet duct connected with tower body.
Described water distributor is located at the top of upper catalyst filling layer, and water distributor entrance is correspondingly arranged and is connected with tower body
Reaction tower water inlet pipe.
The bottom of the tower body is provided with outlet conduit, between outlet conduit and lower ozone gas distribution pipe is provided with lower drain cap,
Backwashing water is driven in the wrong direction by lower drain cap behind the bottom that outlet conduit enters tower body and upwards lower catalyst filling layer is rushed
Brush, the backwashing water after washing away are discharged by the backwash tube above lower catalyst filling layer in the regulating reservoir outside tower body.
Drain cap is provided between described backwash tube and upper ozone gas distribution pipe, and backwashing water enters tower through backwash tube
Driven in the wrong direction by upper drain cap after in vivo and upwards upper catalyst filling layer is washed away, the backwashing water after washing away is by upper catalysis
Backwashing water outlet above agent packing layer is entered in regulating reservoir.
Described backwashing water outlet is located at the upside of water distributor.
Tail gas absorber and breather valve is provided with the top of the tower body, and tail gas absorber and breather valve constantly can be aspirated
The ozone escaped at the top of reaction tower is simultaneously sent into tail gas post-failure behaviors and is decomposed, while tail gas absorber and breather valve are in tower body
Air inlet is carried out during in negative pressure state.
The present invention has the following advantages compared to existing technology：
The present invention passes through catalyst filling layer point double layer design, and the bottom of every layer of catalyst filling layer is provided with close to setting
The ozone gas distribution pipe that puts so that catalyst filling layer can realize uniform gas distribution, fully improves the utilization ratio of ozone；Simultaneously double
Layer arranges the time of contact that improve water, ozone catalyst and ozone, and COD in more preferable degradation water takes full advantage of ozone.
The reaction tower of the present invention carries out layering backwash by being respectively provided with backwash drainage pipeline below upper and lower two-layer filler,
Improve the effect of backwash；In addition top is arranged tail gas absorber and breather valve, it is to avoid foam removal mechanism is set, reduces cost.
Description of the drawings
Structural representation of the accompanying drawing 1 for the novel ozone contact reaction tower of the present invention.
Wherein：1 tower body；2 water distributors；Catalyst filling layer on 3；4 times catalyst filling layers；Ozone on 5
Gas distribution pipe；6 times ozone gas distribution pipes；The enterprising trachea of 7 ozone；8 ozone lower inlet ducts；9 reaction tower water inlet pipes；10 go out
Waterpipe；11 times drain caps；12 backwash tubes；Drain cap on 13；14 backwashing waters are exported；15 tail gas absorbers
And breather valve.
Specific embodiment
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1：A kind of novel ozone contact reaction tower, including tower body 1, the top of tower body 1 is provided with water distributor 2,
Catalyst filling layer 3 and lower catalyst filling layer 4 is provided with tower body 1, and water distributor 2 is located at the top of upper catalyst filling layer 3
And 2 entrance of water distributor is correspondingly arranged the reaction tower water inlet pipe 9 connected with tower body 1；In upper catalyst filling layer 3 and lower catalyst
The bottom of packing layer 4 is correspondingly arranged ozone gas distribution pipe 5 and lower ozone gas distribution pipe 6 respectively, and upper ozone gas distribution pipe 5 is close to upper catalysis
The porous plate of 3 bottom of agent packing layer is arranged and lower ozone gas distribution pipe 6 is arranged close to the porous plate of lower 4 bottom of catalyst filling layer,
The entrance of upper ozone gas distribution pipe 5 is correspondingly arranged the import of the enterprising trachea 7 of the ozone connected with tower body 1 and lower ozone gas distribution pipe 6
Place is correspondingly arranged the ozone lower inlet duct 8 connected with tower body 1.In addition outlet conduit 10 is provided with the bottom of tower body 1, in outlet pipe
Lower drain cap 11 is provided between road 10 and lower ozone gas distribution pipe 6, and backwashing water leads to behind the bottom that outlet conduit 10 enters tower body 1
Cross down drain cap 11 and drive in the wrong direction and upwards lower catalyst filling layer 4 is washed away, the backwashing water after washing away is filled out by lower catalyst
Backwash tube 12 above the bed of material 4 is discharged in the regulating reservoir outside tower body 1；Set between backwash tube 12 and upper ozone gas distribution pipe 5
There are upper drain cap 13, backwashing water to drive in the wrong direction upwards to upper catalysis by upper drain cap 13 after entering in tower body 1 through backwash tube 12
Agent packing layer 3 is washed away, and the backwashing water after washing away is entered by the backwashing water outlet 14 above upper catalyst filling layer 3
In regulating reservoir, the backwashing water outlet 14 is located at the upside of water distributor 2.
On the basis of said structure, be provided with tail gas absorber and breather valve 15 at the top of tower body 1, tail gas absorber and
Breather valve 15 can constantly aspirate the ozone escaped at the top of reaction tower and send into tail gas post-failure behaviors and decomposed, while tail gas
Absorber and breather valve 15 in tower body 1 in negative pressure state when carry out air inlet.
When the novel ozone contact reaction tower of the present invention runs, waste water entered elevator pump and was promoted to reaction tower water inlet pipe 9, then
Water distribution from top to bottom is carried out through water distributor 2, and ozonator produces ozone and upper ozone gas distribution pipe entered through the enterprising trachea 7 of ozone
5 gas distributions, ozone are fully contacted with the catalyst in water and upper catalyst filling layer 3；Waste water is again down through lower catalyst filling
Catalyst in layer 4, while ozone enters lower 6 gas distribution of ozone gas distribution pipe through ozone lower inlet duct 8, ozone fully with water and under urge
Catalyst contact in agent packing layer 4, then down into outlet conduit 10, water outlet up to standard.
After the novel ozone contact reaction tower operation a period of time, device interior produces great quantity of floc due to Oxidation,
Inlet and outlet pipe lines pressure increases, and needs to carry out backwash.Lower catalyst filling layer 4 backwash is carried out first, and backwash water enters outlet pipe
Road 10, again through lower drain cap 11 drive in the wrong direction upwards lower catalyst filling layer 4 is washed away, under the backwashing water after washing away passes through
Backwash tube 12 above catalyst filling layer 4 is discharged in the regulating reservoir outside tower body 1；After lower 4 backwash of catalyst filling layer
The backwash of catalyst filling layer 3 is carried out, backwashing water is inverse by upper drain cap 13 after entering in tower body 1 through backwash tube 12
Row is washed away to upper catalyst filling layer 3 upwards, and the backwashing water after washing away is by the recoil above upper catalyst filling layer 3
Washing water outlet 14 is entered in regulating reservoir.
The present invention passes through catalyst filling layer point double layer design, and the bottom of every layer of catalyst filling layer is provided with close to setting
The ozone gas distribution pipe that puts so that catalyst filling layer can realize uniform gas distribution, fully improves the utilization ratio of ozone；Simultaneously double
Layer arranges the time of contact that improve water, ozone catalyst and ozone, and COD in more preferable degradation water takes full advantage of ozone.With
When reaction tower by being respectively provided with backwash drainage pipeline below upper and lower two-layer filler, carry out layering backwash, improve the effect of backwash；
In addition common ozone reaction tower needs to arrange foam removal mechanism, because such reaction tower is filled out similar to biofilter or common sewage
Material tower, operation produce many foams in filtering, cannot just run without foam removal mechanism, and this device passes through to arrange at the top of reaction tower
Tail gas absorber and breather valve 15 so that tail gas absorber and breather valve 15 constantly can aspirate at the top of reaction tower escape smelly
Oxygen is simultaneously sent into tail gas breaking plant and is decomposed, and tail gas absorber and breather valve 15 in reaction tower in negative pressure when can be timely
Carry out air inlet, it is to avoid foam removal mechanism is set, reduces cost.
Above example technological thought only to illustrate the invention, it is impossible to which protection scope of the present invention is limited with this, every
According to technological thought proposed by the present invention, any change that is done on the basis of technical scheme, the scope of the present invention is each fallen within
Within；The technology that the present invention is not directed to can be realized by prior art.
Claims (7)
1. a kind of novel ozone contact reaction tower, including tower body (1), the top of tower body (1) is provided with water distributor (2), and its feature exists
In：Catalyst filling layer (3) and lower catalyst filling layer (4), and upper catalyst filling layer are provided with described tower body (1)
And the bottom of lower catalyst filling layer (4) is correspondingly arranged ozone gas distribution pipe (5) and lower ozone gas distribution pipe (6) respectively (3).
2. novel ozone contact reaction tower according to claim 1, it is characterised in that：Described upper ozone gas distribution pipe (5)
Porous plate close to upper catalyst filling layer (3) bottom is arranged and lower ozone gas distribution pipe (6) is close to lower catalyst filling layer (4) bottom
The porous plate in portion is arranged, and it is enterprising trachea (7) that the entrance of upper ozone gas distribution pipe (5) is correspondingly arranged the ozone connected with tower body (1)
And the entrance of lower ozone gas distribution pipe (6) is correspondingly arranged the ozone lower inlet duct (8) connected with tower body (1).
3. novel ozone contact reaction tower according to claim 1, it is characterised in that：Described water distributor (2) is located at upper
The top of catalyst filling layer (3), and water distributor (2) entrance is correspondingly arranged the reaction tower water inlet pipe connected with tower body (1)
(9).
4. novel ozone contact reaction tower according to claim 1, it is characterised in that：The bottom of tower body (1) is provided with
Outlet conduit (10), is provided with lower drain cap (11) between outlet conduit (10) and lower ozone gas distribution pipe (6), and backwashing water is through going out
Being driven in the wrong direction by lower drain cap (11) behind the bottom of waterpipe (10) entrance tower body (1) is carried out to lower catalyst filling layer (4) upwards
Wash away, the backwashing water after washing away discharges tower body (1) tune outward by the backwash tube (12) above lower catalyst filling layer (4)
In section pond.
5. novel ozone contact reaction tower according to claim 4, it is characterised in that：Described backwash tube (12) and upper
Drain cap (13) is provided between ozone gas distribution pipe (5), and backwashing water passes through upper after entering in tower body (1) through backwash tube (12)
Drain cap (13) drives in the wrong direction and upwards upper catalyst filling layer (3) is washed away, and the backwashing water after washing away is filled out by upper catalyst
Backwashing water outlet (14) above the bed of material (3) is entered in regulating reservoir.
6. novel ozone contact reaction tower according to claim 5, it is characterised in that：Described backwashing water outlet (14)
It is located at the upside of water distributor (2).
7. novel ozone contact reaction tower according to claim 1, it is characterised in that：It is provided with the top of tower body (1)
Tail gas absorber and breather valve (15), tail gas absorber and breather valve (15) constantly can aspirate at the top of reaction tower escape smelly
Oxygen is simultaneously sent into tail gas post-failure behaviors and is decomposed, while tail gas absorber and breather valve (15) are in negative pressure state in tower body (1)
Shi Jinhang air inlets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611126976.9A CN106495310A (en) | 2016-12-09 | 2016-12-09 | Novel ozone contact reaction tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611126976.9A CN106495310A (en) | 2016-12-09 | 2016-12-09 | Novel ozone contact reaction tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106495310A true CN106495310A (en) | 2017-03-15 |
Family
ID=58330657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611126976.9A Pending CN106495310A (en) | 2016-12-09 | 2016-12-09 | Novel ozone contact reaction tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106495310A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110182935A (en) * | 2019-06-12 | 2019-08-30 | 河南小威环境科技有限公司 | A kind of catalytic ozonation reaction method and device |
| CN110885118A (en) * | 2018-09-07 | 2020-03-17 | 江苏三强环境工程有限公司 | A disinfection tower for handling industrial waste water |
| CN110885152A (en) * | 2018-09-07 | 2020-03-17 | 江苏三强环境工程有限公司 | Novel double-tower ozone disinfection tower |
| CN110885128A (en) * | 2018-09-07 | 2020-03-17 | 江苏三强环境工程有限公司 | Novel efficient ozone disinfection tower for wastewater treatment |
| CN111960524A (en) * | 2020-09-04 | 2020-11-20 | 浙江浙能技术研究院有限公司 | Double (or three) layer ultrasonic assisted cavitation ozone heterogeneous catalytic oxidation wastewater treatment device and manufacturing method |
| CN114005569A (en) * | 2021-10-29 | 2022-02-01 | 华能核能技术研究院有限公司 | Low-radioactivity organic waste liquid treatment system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101575138A (en) * | 2009-06-04 | 2009-11-11 | 蒋仁甫 | Ozone contact treatment tower for water supply |
| CN203389478U (en) * | 2013-06-17 | 2014-01-15 | 南京德磊科技有限公司 | Polluted gas treatment equipment |
| CN104118929A (en) * | 2014-07-02 | 2014-10-29 | 江苏中金环保科技有限公司 | A cold-rolling waste-water treating machine adopting an ozone catalytic reaction |
| CN204079573U (en) * | 2014-07-02 | 2015-01-07 | 江苏中金环保科技有限公司 | A kind of ozone catalytic reaction cold rolling wastewater treater |
| CN204746048U (en) * | 2015-06-03 | 2015-11-11 | 佛山市新泰隆环保设备制造有限公司 | Processing apparatus of catalytic oxidation organic waste gas and foul smell |
| CN205710048U (en) * | 2016-04-21 | 2016-11-23 | 清水源（上海）环保科技有限公司 | A kind of two-part device for catalyzing and oxidating ozone |
| CN206244487U (en) * | 2016-12-09 | 2017-06-13 | 宜兴市苏嘉环保设备有限公司 | Novel ozone contact reaction tower |
-
2016
- 2016-12-09 CN CN201611126976.9A patent/CN106495310A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101575138A (en) * | 2009-06-04 | 2009-11-11 | 蒋仁甫 | Ozone contact treatment tower for water supply |
| CN203389478U (en) * | 2013-06-17 | 2014-01-15 | 南京德磊科技有限公司 | Polluted gas treatment equipment |
| CN104118929A (en) * | 2014-07-02 | 2014-10-29 | 江苏中金环保科技有限公司 | A cold-rolling waste-water treating machine adopting an ozone catalytic reaction |
| CN204079573U (en) * | 2014-07-02 | 2015-01-07 | 江苏中金环保科技有限公司 | A kind of ozone catalytic reaction cold rolling wastewater treater |
| CN204746048U (en) * | 2015-06-03 | 2015-11-11 | 佛山市新泰隆环保设备制造有限公司 | Processing apparatus of catalytic oxidation organic waste gas and foul smell |
| CN205710048U (en) * | 2016-04-21 | 2016-11-23 | 清水源（上海）环保科技有限公司 | A kind of two-part device for catalyzing and oxidating ozone |
| CN206244487U (en) * | 2016-12-09 | 2017-06-13 | 宜兴市苏嘉环保设备有限公司 | Novel ozone contact reaction tower |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110885118A (en) * | 2018-09-07 | 2020-03-17 | 江苏三强环境工程有限公司 | A disinfection tower for handling industrial waste water |
| CN110885152A (en) * | 2018-09-07 | 2020-03-17 | 江苏三强环境工程有限公司 | Novel double-tower ozone disinfection tower |
| CN110885128A (en) * | 2018-09-07 | 2020-03-17 | 江苏三强环境工程有限公司 | Novel efficient ozone disinfection tower for wastewater treatment |
| CN110182935A (en) * | 2019-06-12 | 2019-08-30 | 河南小威环境科技有限公司 | A kind of catalytic ozonation reaction method and device |
| CN111960524A (en) * | 2020-09-04 | 2020-11-20 | 浙江浙能技术研究院有限公司 | Double (or three) layer ultrasonic assisted cavitation ozone heterogeneous catalytic oxidation wastewater treatment device and manufacturing method |
| CN111960524B (en) * | 2020-09-04 | 2023-11-21 | 浙江浙能技术研究院有限公司 | Double (or three) layer ultrasonic-assisted cavitation ozone heterogeneous catalytic oxidation wastewater treatment device and manufacturing method |
| CN114005569A (en) * | 2021-10-29 | 2022-02-01 | 华能核能技术研究院有限公司 | Low-radioactivity organic waste liquid treatment system |
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Application publication date: 20170315 |