CN110228898A - A kind of technique of catalytic ozonation-MBR Combined Treatment coal chemical industrial waste water - Google Patents
A kind of technique of catalytic ozonation-MBR Combined Treatment coal chemical industrial waste water Download PDFInfo
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- CN110228898A CN110228898A CN201910387776.6A CN201910387776A CN110228898A CN 110228898 A CN110228898 A CN 110228898A CN 201910387776 A CN201910387776 A CN 201910387776A CN 110228898 A CN110228898 A CN 110228898A
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- catalytic ozonation
- tower
- waste water
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- catalysis oxidizing
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- 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
- C02F1/66—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
- 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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- 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
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- 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 discloses a kind of techniques of catalytic ozonation-MBR Combined Treatment coal chemical industrial waste water, comprising the following steps: Step 1: coal chemical industrial waste water is pre-processed, adjusts Ph value；Step 2: waste water is inputted level-one catalytic ozonation tower, advanced oxidation processing is carried out；Step 3: the water outlet of level-one catalytic ozonation tower is inputted secondary ozone catalysis oxidizing tower, Ph value is adjusted, carries out advanced oxidation processing；Step 4: the exhaust outlet of level-one catalytic ozonation tower is connected with secondary ozone catalysis oxidizing tower upper end, ozone, secondary ozone catalysis oxidizing tower effluent recycling to level-one catalytic ozonation tower, further oxidative degradation organic matter are further utilized；Step 5: above process circulation is after a certain period of time, the water outlet of secondary ozone catalysis oxidizing tower carries out online water quality monitoring, and biochemical reaches B/C > 0.3；Step 6: the water outlet of secondary ozone catalysis oxidizing tower is input in MBR film reaction tank, the water outlet of MBR film reaction tank can be directly discharged into water body after detection is qualified.
Description
Technical field
The present invention relates to a kind of techniques of catalytic ozonation-MBR Combined Treatment coal chemical industrial waste water.
Background technique
China's Chemical Industry carries out using traditional water-purifying process during sewage treatment, passes through traditional object
This mode for changing pretreatment and biochemical treatment cannot effectively be handled the harmful toxic matter in waste water, therefore, this
Mode handles down obtained waste water and is still unable to reach defined wastewater treatment standard.So to the water of Chemical Industry discharge
The processing for doing depth is very important in the degree for reducing the industry environmental pollution.
The catalytic oxidation technologies of traditional oxidation technology and ozone, by carrying out degradation destruction to the harmful substance in waste water
To reach the standard of discharge.In this process, the oxidation processes of ozone play decisive in the efficiency for destroying harmful substance
Factor.However preparing for ozone is costly, utilization efficiency is low, and effluent quality is unable to direct emission.
Summary of the invention
The purpose of the present invention is to provide a kind of techniques of catalytic ozonation-MBR Combined Treatment coal chemical industrial waste water, it is intended to
It solves the above problems.
To achieve the goals above, the technical scheme is to design a kind of catalytic ozonation-MBR Combined Treatment coals
The technique of wastewater from chemical industry, comprising the following steps:
Step 1: coal chemical industrial waste water is pre-processed, Ph value is adjusted；
Step 2: waste water is inputted level-one catalytic ozonation tower, advanced oxidation processing is carried out；
Step 3: the water outlet of level-one catalytic ozonation tower is inputted secondary ozone catalysis oxidizing tower, Ph value is adjusted, advanced oxygen is carried out
Change processing；
Step 4: the exhaust outlet of level-one catalytic ozonation tower is connected with secondary ozone catalysis oxidizing tower upper end, it is further sharp
With ozone, secondary ozone catalysis oxidizing tower effluent recycling to level-one catalytic ozonation tower, further oxidative degradation organic matter；
Step 5: above process circulation is after a certain period of time, the water outlet of secondary ozone catalysis oxidizing tower carries out online water quality monitoring, raw
The property changed reaches B/C > 0.3；
Step 6: the water outlet of secondary ozone catalysis oxidizing tower is input in MBR film reaction tank, the water outlet warp of MBR film reaction tank
Water body can be directly discharged into after detection is qualified.
Further, in step 2, waste water is set as 3.5~4.5 meters in the liquid level of level-one catalytic ozonation tower.
Further, in step 3, waste water is set as 4.5~5.5 meters in the liquid level of secondary ozone catalysis oxidizing tower.
Further, in step 6, MBR film reaction tank sludge concentration is set as 8~10g/L.
Further, board-like micro-pore aeration is equipped with inside level-one catalytic ozonation tower and secondary ozone catalysis oxidizing tower
Device, 0.8~1.9mm of board-like aerator aperture size.
The advantages and beneficial effects of the present invention are: 1, treatment effect of the present invention is mentioned than the method for traditional catalytic ozonation
It is high by 30~40%, also there is good removal effect to certain hardly degraded organic substances, it substantially can be in line.2, the present invention is using board-like
Micro-hole aerator (0.8~1.9mm) can significantly enhance the utilization rate of ozone, and utilization rate rises to 50%.3, the present invention adopts
With MBR film reaction tank, the sludge volume than conventional biochemical pond reduces 2/3, saves the volume of biochemistry pool, substantially increase coal chemical industry
The biodegradability of waste water, the sludge concentration of MBR film tank reactor are 3~4 times of general biochemistry pool sludge concentration.4, of the invention
Catalytic ozonation-MBR system has lacked subsequent treatment process, therefore the investment of ton water will be much smaller than original process, reduce 1/3 or more,
Ozone makes full use of also make disposed of in its entirety cost be reduced to original process 1/2~2/3.
Detailed description of the invention
Fig. 1 is flow diagram of the invention.
Specific embodiment
With reference to the accompanying drawings and examples, further description of the specific embodiments of the present invention.Following embodiment is only
For clearly illustrating technical solution of the present invention, and not intended to limit the protection scope of the present invention.
Embodiment:
A kind of technique of catalytic ozonation-MBR Combined Treatment coal chemical industrial waste water, comprising the following steps:
Step 1: coal chemical industrial waste water is pre-processed, Ph value is adjusted；
Step 2: waste water is inputted level-one catalytic ozonation tower, advanced oxidation processing is carried out；Waste water is in level-one ozone catalytic oxygen
The liquid level for changing tower is set as 3.5~4.5 meters.
Step 3: the water outlet of level-one catalytic ozonation tower is inputted secondary ozone catalysis oxidizing tower, Ph value is adjusted, is carried out high
Grade oxidation processes；Waste water is set as 4.5~5.5 meters in the liquid level of secondary ozone catalysis oxidizing tower.
Step 4: the exhaust outlet of level-one catalytic ozonation tower is connected with secondary ozone catalysis oxidizing tower upper end, into one
Step utilizes ozone, and for secondary ozone catalysis oxidizing tower effluent recycling to level-one catalytic ozonation tower, further oxidative degradation is organic
Object；
Step 5: above process circulation is after a certain period of time, the water outlet of secondary ozone catalysis oxidizing tower carries out online water quality monitoring, raw
The property changed reaches B/C > 0.3；
Step 6: the water outlet of secondary ozone catalysis oxidizing tower is input in MBR film reaction tank, the water outlet warp of MBR film reaction tank
Water body can be directly discharged into after detection is qualified.MBR film reaction tank sludge concentration is set as 8~10g/L.
Plate-type micro-pore aerator, board-like aeration are equipped with inside level-one catalytic ozonation tower and secondary ozone catalysis oxidizing tower
0.8~1.9mm of device aperture size.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of technique of catalytic ozonation-MBR Combined Treatment coal chemical industrial waste water, which comprises the following steps:
Step 1: coal chemical industrial waste water is pre-processed, Ph value is adjusted；
Step 2: waste water is inputted level-one catalytic ozonation tower, advanced oxidation processing is carried out；
Step 3: the water outlet of level-one catalytic ozonation tower is inputted secondary ozone catalysis oxidizing tower, Ph value is adjusted, advanced oxygen is carried out
Change processing；
Step 4: the exhaust outlet of level-one catalytic ozonation tower is connected with secondary ozone catalysis oxidizing tower upper end, it is further sharp
With ozone, secondary ozone catalysis oxidizing tower effluent recycling to level-one catalytic ozonation tower, further oxidative degradation organic matter；
Step 5: above process circulation is after a certain period of time, the water outlet of secondary ozone catalysis oxidizing tower carries out online water quality monitoring, raw
The property changed reaches B/C > 0.3；
Step 6: the water outlet of secondary ozone catalysis oxidizing tower is input in MBR film reaction tank, the water outlet warp of MBR film reaction tank
Water body can be directly discharged into after detection is qualified.
2. a kind of technique of catalytic ozonation-MBR Combined Treatment coal chemical industrial waste water according to claim 1, feature
It is, in step 2, waste water is set as 3.5~4.5 meters in the liquid level of level-one catalytic ozonation tower.
3. a kind of technique of catalytic ozonation-MBR Combined Treatment coal chemical industrial waste water according to claim 1, feature
It is, in step 3, waste water is set as 4.5~5.5 meters in the liquid level of secondary ozone catalysis oxidizing tower.
4. a kind of technique of catalytic ozonation-MBR Combined Treatment coal chemical industrial waste water according to claim 1, feature
It is, in step 6, MBR film reaction tank sludge concentration is set as 8~10g/L.
5. a kind of technique of catalytic ozonation-MBR Combined Treatment coal chemical industrial waste water according to claim 1, feature
It is, is equipped with plate-type micro-pore aerator, board-like exposure inside the level-one catalytic ozonation tower and secondary ozone catalysis oxidizing tower
0.8~1.9mm of gas device aperture size.
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| CN201910387776.6A CN110228898A (en) | 2019-05-10 | 2019-05-10 | A kind of technique of catalytic ozonation-MBR Combined Treatment coal chemical industrial waste water |
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| CN201910387776.6A CN110228898A (en) | 2019-05-10 | 2019-05-10 | A kind of technique of catalytic ozonation-MBR Combined Treatment coal chemical industrial waste water |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110683630A (en) * | 2019-10-31 | 2020-01-14 | 四川恩特普环保科技有限公司 | High COD wastewater treatment system and method |
| CN110937765A (en) * | 2019-12-30 | 2020-03-31 | 中海油天津化工研究设计院有限公司 | Method for deeply treating refractory organic wastewater by sectional ozone combined BFA |
| CN111569897A (en) * | 2020-05-12 | 2020-08-25 | 大唐环境产业集团股份有限公司 | Ozone catalyst and preparation method and application thereof |
| CN112645538A (en) * | 2020-12-14 | 2021-04-13 | 安徽纬纶环保科技有限公司 | Well-flushing waste liquid integrated treatment device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102417258A (en) * | 2011-11-11 | 2012-04-18 | 华南理工大学 | Device and method for treating pulping wastewater by catalyst and ozone |
| CN104310712A (en) * | 2014-11-03 | 2015-01-28 | 北京高能时代环境技术股份有限公司 | Treatment method of coal chemical waste water |
-
2019
- 2019-05-10 CN CN201910387776.6A patent/CN110228898A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102417258A (en) * | 2011-11-11 | 2012-04-18 | 华南理工大学 | Device and method for treating pulping wastewater by catalyst and ozone |
| CN104310712A (en) * | 2014-11-03 | 2015-01-28 | 北京高能时代环境技术股份有限公司 | Treatment method of coal chemical waste water |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110683630A (en) * | 2019-10-31 | 2020-01-14 | 四川恩特普环保科技有限公司 | High COD wastewater treatment system and method |
| CN110937765A (en) * | 2019-12-30 | 2020-03-31 | 中海油天津化工研究设计院有限公司 | Method for deeply treating refractory organic wastewater by sectional ozone combined BFA |
| CN111569897A (en) * | 2020-05-12 | 2020-08-25 | 大唐环境产业集团股份有限公司 | Ozone catalyst and preparation method and application thereof |
| CN112645538A (en) * | 2020-12-14 | 2021-04-13 | 安徽纬纶环保科技有限公司 | Well-flushing waste liquid integrated treatment device |
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Application publication date: 20190913 |