CN108046461A - Industrial circulation water treatment equipment - Google Patents
Industrial circulation water treatment equipment Download PDFInfo
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- CN108046461A CN108046461A CN201711182397.0A CN201711182397A CN108046461A CN 108046461 A CN108046461 A CN 108046461A CN 201711182397 A CN201711182397 A CN 201711182397A CN 108046461 A CN108046461 A CN 108046461A
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- water treatment
- circulation water
- treatment equipment
- sterilization pool
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Classifications
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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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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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
A kind of industrial circulation water treatment equipment of disclosure, it is sequentially connected by pump, setting pot, ion-exchange treatment pond, secondary sedimentation tank, sterilization pool, pressure reducing valve, drain valve and drain flow-meter by pipeline, fungicide is equipped in the sterilization pool, the sterilization pool side is equipped with ozone generator；When COD is more than 800mg/L in sewage, the removal rate of COD is 80 85%；When COD is less than 600mg/L in sewage, the removal rate of COD is 85 95%；To bacillus subtilis black variety gemma removal rate 99.98 99.99%, in water 99.9 99.98% Escherichia coli can be killed, 99.99 100% are up to Candida albicans sterilization and staphylococcus aureus rate.
Description
Technical field
This application involves environmental technology field more particularly to a kind of industrial circulation water treatment equipment.
Background technology
With social city, technicalization, hommization development, more and more water are lived by people, enterprise production profit
With and discharge, the thing followed be the evident of the increase of industrial circulation water treatment equipment usage amount and the problems such as wastewater treatment rate is low
It is aobvious.
Industrial circulation water treatment equipment uses membrane bioreactor（Membrane Bioreactor, abbreviation MBR) technology is
A kind of new process that biologic treating technique is combined with membrane separation technique, instead of the secondary settling tank in traditional handicraft, it can be high
Effect ground carries out separation of solid and liquid, water in the stabilization directly used.The microbial biomass of high concentration, work can be maintained in biological tank again
Skill excess sludge is few, extremely effective removes ammonia nitrogen, goes out aqueous suspension and turbidity close to zero, bacterium and virus are by significantly in water outlet
Degree removal, low energy consumption, and floor space is small.The seventies has just started in the U.S., Japan, many countries in South Africa and Europe by film biology
Reactor is used for the research work of dirty water and wastewater treatment.Its water source is derived from sanitary sewage, such as shower drainage, washing draining, washes
Clothing draining, kitchen drainage, lavatory draining etc. and cooling water.
So-called native sewage water is exactly that untreated life either industrial wastewater, utilization at this stage are directly discharged in city
Method is that native sewage water is directly entered sewage source heat pump system and exchanges heat, and is urban architecture in the case where consuming a small amount of electric power
Refrigeration and heating in object room.Reutilization of the sewage has several technological difficulties needs to overcome：It blocks, corrosion, heat exchange efficiency.
Urban original wastewater is directly entered after sewage heat exchanger exchanged heat, the heat exchanged for by sewage source heat pump inside
Heat pump acting is transferred to interior.
Urban original wastewater is recycled, advantage is：Energy conservation and environmental protection, it is pollution-free.
The content of the invention
The application provides a kind of industrial circulation water treatment equipment, solves the structure letter in existing industrial circulation water treatment equipment
It is single, complex process, clean-up effect unobvious, the low technical problems such as low with sterilizing rate of ion remaval rate.
The application uses following technical scheme：A kind of industrial circulation water treatment equipment, the industrial circulation water treatment equipment
It is made of pump, setting pot, ion-exchange treatment pond, secondary sedimentation tank, sterilization pool, pressure reducing valve, drain valve and drain flow-meter, institute
It states pump, setting pot, ion-exchange treatment pond, secondary sedimentation tank, sterilization pool, pressure reducing valve, drain valve and drain flow-meter and passes through pipe
Road is sequentially connected, and fungicide is equipped in the sterilization pool, and the sterilization pool side is equipped with ozone generator.
A kind of optimal technical scheme as the application：The preparation method of the fungicide is：
The first step：Proportioning weighs in parts by weight：100 parts of potassium ferrate, 10-30 parts of ammonium ceric nitrate, 5-15 parts of aluminium chloride, leprosy
Set 20-30 parts of shell, 20-30 parts of polydimethyl diallyl ammonium chloride, 12-18 parts of dodecanoyl propane diamine triacetic acid, hydroxyl
20-40 parts of ethylidene diphosphonic acid five sodium-salt, 11-15 parts of white vitriol, 1-5 parts of chitosan, sodium lignin sulfonate 0.5-4.5
Part, 0.5-2.5 parts of sulfated butyl oleate；
Second step：By reaction of potassium ferrate, ammonium ceric nitrate and the aluminium chloride input with thermometer, heating unit and agitating device
In kettle, 50-70 DEG C is warming up to, stirs 45-55min, mixing speed 110-130 r/min；
3rd step：It is warming up to 85-105 DEG C, adds in Jatropha curcasl shell, polydimethyl diallyl ammonium chloride and dodecanoyl the third two
Amine triacetic acid, isothermal reaction 70-90min；
4th step：It adds in hydroxy ethylene diphosphonic acid five sodium-salt, white vitriol and chitosan and is warming up to 150-170 DEG C, reaction
60-90min, add in surplus stock, adjustings mixing speed be 600-1000r/min, stirring 120-150min after to obtain the final product.
A kind of optimal technical scheme as the application：Organic glass ion exchange is equipped in the ion-exchange treatment pond
Device.
A kind of optimal technical scheme as the application：The ozone generator is equipped with PLC control loops.
A kind of optimal technical scheme as the application：The sterilization pool is equipped with Determination of ozone device.
A kind of optimal technical scheme as the application：Ozone exhaust outlet is equipped at the top of the sterilization pool.
Advantageous effect:
A kind of herein described industrial circulation water treatment equipment compared with prior art, has following skill using above technical scheme
Art effect：1st, when for COD more than 800mg/L, the removal rate of COD is 80-85% in sewage；2nd, when in sewage COD be less than 600mg/L,
The removal rate of COD is 85-95%；3rd, equipment is simple, with obvious effects, high to heavy metal ion, chloroform and ammonia nitrogen removal frank, to carrying
High drinking water quality and guarantee drinking water safety generate actively impact；4th, there is superpower, efficient, excellent bactericidal effect, disinfection
Effect is good, to bacillus subtilis black variety gemma removal rate 99.98-99.99%, can kill the large intestine bar of 99.9-99.98% in water
Bacterium is up to 99.99-100% to Candida albicans sterilization and staphylococcus aureus rate.
Description of the drawings
Fig. 1 is the application structure diagram.
Reference sign：1st, pump, 2, setting pot, 3, ion-exchange treatment pond, 4, secondary sedimentation tank, 5, sterilization pool, 6,
Pressure reducing valve, 7, drain valve, 8, drain flow-meter, 9, ozone generator, 10, ozone exhaust outlet.
Specific embodiment
The specific embodiment of the application is described in further detail with reference to Figure of description.
Embodiment 1：
As shown in Figure 1, a kind of industrial circulation water treatment equipment, the work industrial circulation water treatment equipment by pump 1, setting pot 2, from
Son exchanges processing pond 3, secondary sedimentation tank 4, sterilization pool 5, pressure reducing valve 6, drain valve 7 and drain flow-meter 8 and forms, and the pump 1 sinks
Sand pond 2, ion-exchange treatment pond 3, secondary sedimentation tank 4, sterilization pool 5, pressure reducing valve 6, drain valve 7 and drain flow-meter 8 pass through pipe
Road is sequentially connected, and organic glass ion interchange unit is equipped in the ion-exchange treatment pond 3, is set on the ozone generator 9
There are PLC control loops, the sterilization pool 5 is equipped with Determination of ozone device, and 5 top of sterilization pool is equipped with ozone exhaust outlet 10,
Fungicide is equipped in the sterilization pool 5,5 side of sterilization pool is equipped with ozone generator 9, and the preparation method of fungicide is：
The first step：Proportioning weighs in parts by weight：100 parts of potassium ferrate, 10 parts of ammonium ceric nitrate, 5 parts of aluminium chloride, Jatropha curcasl shell
20 parts, 20 parts of polydimethyl diallyl ammonium chloride, 12 parts of dodecanoyl propane diamine triacetic acid, five sodium of hydroxy ethylene diphosphonic acid
20 parts of salt, 11 parts of white vitriol, 1 part of chitosan, 0.5 part of sodium lignin sulfonate, 0.5 part of sulfated butyl oleate；
Second step：By reaction of potassium ferrate, ammonium ceric nitrate and the aluminium chloride input with thermometer, heating unit and agitating device
In kettle, 50 DEG C are warming up to, stirs 45min, 110 r/min of mixing speed；
3rd step：85 DEG C are warming up to, adds in Jatropha curcasl shell, polydimethyl diallyl ammonium chloride and dodecanoyl propane diamine three
Acetic acid, isothermal reaction 70min；
4th step：It adds in hydroxy ethylene diphosphonic acid five sodium-salt, white vitriol and chitosan and is warming up to 150 DEG C, reaction
60min, add in surplus stock, adjustings mixing speed be 600r/min, stirring 120min after to obtain the final product.
When COD is more than 800mg/L in sewage, the removal rate of COD is 80%；When in sewage COD be less than 600mg/L, COD's
Removal rate is 85%；Equipment is simple, with obvious effects, high to heavy metal ion, chloroform and ammonia nitrogen removal frank, to improving drinking water water
Matter and guarantee drinking water safety generate actively impact；With superpower, efficient, excellent bactericidal effect, Disinfection Effect is good, to withered grass
Bacillus var. niger spores removal rate 99.98% can kill in water 99.9% Escherichia coli, Candida albicans be sterilized and golden yellow
Color staphylococcus rate is up to 99.99%.
Embodiment 2：
As shown in Figure 1, a kind of industrial circulation water treatment equipment, the work industrial circulation water treatment equipment by pump 1, setting pot 2, from
Son exchanges processing pond 3, secondary sedimentation tank 4, sterilization pool 5, pressure reducing valve 6, drain valve 7 and drain flow-meter 8 and forms, and the pump 1 sinks
Sand pond 2, ion-exchange treatment pond 3, secondary sedimentation tank 4, sterilization pool 5, pressure reducing valve 6, drain valve 7 and drain flow-meter 8 pass through pipe
Road is sequentially connected, and organic glass ion interchange unit is equipped in the ion-exchange treatment pond 3, is set on the ozone generator 9
There are PLC control loops, the sterilization pool 5 is equipped with Determination of ozone device, and 5 top of sterilization pool is equipped with ozone exhaust outlet 10,
Fungicide is equipped in the sterilization pool 5,5 side of sterilization pool is equipped with ozone generator 9, and the preparation method of fungicide is：
The first step：Proportioning weighs in parts by weight：100 parts of potassium ferrate, 30 parts of ammonium ceric nitrate, 15 parts of aluminium chloride, manioca fruit
30 parts of shell, 30 parts of polydimethyl diallyl ammonium chloride, 18 parts of dodecanoyl propane diamine triacetic acid, hydroxy ethylene diphosphonic acid five
40 parts of sodium salt, 15 parts of white vitriol, 5 parts of chitosan, 4.5 parts of sodium lignin sulfonate, 2.5 parts of sulfated butyl oleate；
Second step：By reaction of potassium ferrate, ammonium ceric nitrate and the aluminium chloride input with thermometer, heating unit and agitating device
In kettle, 70 DEG C are warming up to, stirs 55min, 130 r/min of mixing speed；
3rd step：105 DEG C are warming up to, adds in Jatropha curcasl shell, polydimethyl diallyl ammonium chloride and dodecanoyl propane diamine
Triacetic acid, isothermal reaction 90min；
4th step：It adds in hydroxy ethylene diphosphonic acid five sodium-salt, white vitriol and chitosan and is warming up to 170 DEG C, reaction
90min, add in surplus stock, adjustings mixing speed be 1000r/min, stirring 150min after to obtain the final product.
When COD is more than 800mg/L in sewage, the removal rate of COD is 83%；When in sewage COD be less than 600mg/L, COD's
Removal rate is 90%；Equipment is simple, with obvious effects, high to heavy metal ion, chloroform and ammonia nitrogen removal frank, to improving drinking water water
Matter and guarantee drinking water safety generate actively impact；With superpower, efficient, excellent bactericidal effect, Disinfection Effect is good, to withered grass
Bacillus var. niger spores removal rate 99.99% can kill in water 99.94% Escherichia coli, to Candida albicans sterilization and gold
Staphylococcus aureus rate is up to 100%.
Embodiment 3：
As shown in Figure 1, a kind of industrial circulation water treatment equipment, the work industrial circulation water treatment equipment by pump 1, setting pot 2, from
Son exchanges processing pond 3, secondary sedimentation tank 4, sterilization pool 5, pressure reducing valve 6, drain valve 7 and drain flow-meter 8 and forms, and the pump 1 sinks
Sand pond 2, ion-exchange treatment pond 3, secondary sedimentation tank 4, sterilization pool 5, pressure reducing valve 6, drain valve 7 and drain flow-meter 8 pass through pipe
Road is sequentially connected, and organic glass ion interchange unit is equipped in the ion-exchange treatment pond 3, is set on the ozone generator 9
There are PLC control loops, the sterilization pool 5 is equipped with Determination of ozone device, and 5 top of sterilization pool is equipped with ozone exhaust outlet 10,
Fungicide is equipped in the sterilization pool 5,5 side of sterilization pool is equipped with ozone generator 9, and the preparation method of fungicide is：
The first step：Proportioning weighs in parts by weight：100 parts of potassium ferrate, 20 parts of ammonium ceric nitrate, 10 parts of aluminium chloride, manioca fruit
25 parts of shell, 25 parts of polydimethyl diallyl ammonium chloride, 15 parts of dodecanoyl propane diamine triacetic acid, hydroxy ethylene diphosphonic acid five
30 parts of sodium salt, 13 parts of white vitriol, 3 parts of chitosan, 2.5 parts of sodium lignin sulfonate, 1.5 parts of sulfated butyl oleate；
Second step：By reaction of potassium ferrate, ammonium ceric nitrate and the aluminium chloride input with thermometer, heating unit and agitating device
In kettle, 60 DEG C are warming up to, stirs 50min, 120 r/min of mixing speed；
3rd step：95 DEG C are warming up to, adds in Jatropha curcasl shell, polydimethyl diallyl ammonium chloride and dodecanoyl propane diamine three
Acetic acid, isothermal reaction 80min；
4th step：It adds in hydroxy ethylene diphosphonic acid five sodium-salt, white vitriol and chitosan and is warming up to 160 DEG C, reaction
70min, add in surplus stock, adjustings mixing speed be 800r/min, stirring 130min after to obtain the final product.
When COD is more than 800mg/L in sewage, the removal rate of COD is 85%；When in sewage COD be less than 600mg/L, COD's
Removal rate is 95%；Equipment is simple, with obvious effects, high to heavy metal ion, chloroform and ammonia nitrogen removal frank, to improving drinking water water
Matter and guarantee drinking water safety generate actively impact；With superpower, efficient, excellent bactericidal effect, Disinfection Effect is good, to withered grass
Bacillus var. niger spores removal rate 99.99% can kill in water 99.98% Escherichia coli, to Candida albicans sterilization and gold
Staphylococcus aureus rate is up to 100%.
Presently filed embodiment is explained in detail above in conjunction with attached drawing, but the application is not limited to above-mentioned embodiment party
Formula within the knowledge of a person skilled in the art, can also be done on the premise of the application objective is not departed from
Go out various change.
Claims (6)
1. a kind of industrial circulation water treatment equipment, it is characterised in that：The industrial circulation water treatment equipment is by pumping（1）, setting pot
（2）, ion-exchange treatment pond（3）, secondary sedimentation tank（4）, sterilization pool（5）, pressure reducing valve（6）, drain valve（7）And drain flow-meter
（8）Composition, the pump（1）, setting pot（2）, ion-exchange treatment pond（3）, secondary sedimentation tank（4）, sterilization pool（5）, pressure reducing valve
（6）, drain valve（7）And drain flow-meter（8）It is sequentially connected by pipeline, the sterilization pool（5）It is interior be equipped with fungicide, it is described to disappear
Malicious pond（5）Side is equipped with ozone generator（9）.
2. industrial circulation water treatment equipment according to claim 1, which is characterized in that the preparation method of the fungicide
For：
The first step：Proportioning weighs in parts by weight：100 parts of potassium ferrate, 10-30 parts of ammonium ceric nitrate, 5-15 parts of aluminium chloride, leprosy
Set 20-30 parts of shell, 20-30 parts of polydimethyl diallyl ammonium chloride, 12-18 parts of dodecanoyl propane diamine triacetic acid, hydroxyl
20-40 parts of ethylidene diphosphonic acid five sodium-salt, 11-15 parts of white vitriol, 1-5 parts of chitosan, sodium lignin sulfonate 0.5-4.5
Part, 0.5-2.5 parts of sulfated butyl oleate；
Second step：By reaction of potassium ferrate, ammonium ceric nitrate and the aluminium chloride input with thermometer, heating unit and agitating device
In kettle, 50-70 DEG C is warming up to, stirs 45-55min, mixing speed 110-130 r/min；
3rd step：It is warming up to 85-105 DEG C, adds in Jatropha curcasl shell, polydimethyl diallyl ammonium chloride and dodecanoyl the third two
Amine triacetic acid, isothermal reaction 70-90min；
4th step：It adds in hydroxy ethylene diphosphonic acid five sodium-salt, white vitriol and chitosan and is warming up to 150-170 DEG C, reaction
60-90min, add in surplus stock, adjustings mixing speed be 600-1000r/min, stirring 120-150min after to obtain the final product.
3. industrial circulation water treatment equipment according to claim 1, it is characterised in that：The ion-exchange treatment pond（3）
It is interior to be equipped with organic glass ion interchange unit.
4. industrial circulation water treatment equipment according to claim 1, it is characterised in that：The ozone generator（9）On set
There are PLC control loops.
5. industrial circulation water treatment equipment according to claim 1, it is characterised in that：The sterilization pool（5）It is equipped with smelly
Oxygen measurement device.
6. industrial circulation water treatment equipment according to claim 1, it is characterised in that：The sterilization pool（5）Top is equipped with
Ozone exhaust outlet（10）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711182397.0A CN108046461A (en) | 2017-11-23 | 2017-11-23 | Industrial circulation water treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711182397.0A CN108046461A (en) | 2017-11-23 | 2017-11-23 | Industrial circulation water treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108046461A true CN108046461A (en) | 2018-05-18 |
Family
ID=62119270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711182397.0A Pending CN108046461A (en) | 2017-11-23 | 2017-11-23 | Industrial circulation water treatment equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN108046461A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052594A (en) * | 2018-08-15 | 2018-12-21 | 鞍钢贝克吉利尼水处理有限公司 | Be suitble to coking wastewater containing phenol and cyanide removes cyanogen drop nitrogen decolorising agent and preparation, application method |
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|---|---|---|---|---|
| CN102771516A (en) * | 2012-08-14 | 2012-11-14 | 天津生机集团股份有限公司 | Disinfectant for pond water body |
| CN102925128A (en) * | 2012-11-05 | 2013-02-13 | 中国海洋石油总公司 | Compound chemical blocking removing agent of oil field polymer injection well |
| CN104609577A (en) * | 2014-12-25 | 2015-05-13 | 宁波市川宁环保科技有限公司 | Efficient composite bactericidal scale inhibitor and preparation method thereof |
| CN104944710A (en) * | 2015-06-29 | 2015-09-30 | 安徽省安庆市皖清环保科技有限公司 | Medical wastewater three-stage treatment technique |
| CN107814420A (en) * | 2017-10-16 | 2018-03-20 | 合肥学院 | A kind of New Type Water Treatment Chemicals and preparation method thereof |
-
2017
- 2017-11-23 CN CN201711182397.0A patent/CN108046461A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102771516A (en) * | 2012-08-14 | 2012-11-14 | 天津生机集团股份有限公司 | Disinfectant for pond water body |
| CN102925128A (en) * | 2012-11-05 | 2013-02-13 | 中国海洋石油总公司 | Compound chemical blocking removing agent of oil field polymer injection well |
| CN104609577A (en) * | 2014-12-25 | 2015-05-13 | 宁波市川宁环保科技有限公司 | Efficient composite bactericidal scale inhibitor and preparation method thereof |
| CN104944710A (en) * | 2015-06-29 | 2015-09-30 | 安徽省安庆市皖清环保科技有限公司 | Medical wastewater three-stage treatment technique |
| CN107814420A (en) * | 2017-10-16 | 2018-03-20 | 合肥学院 | A kind of New Type Water Treatment Chemicals and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109052594A (en) * | 2018-08-15 | 2018-12-21 | 鞍钢贝克吉利尼水处理有限公司 | Be suitble to coking wastewater containing phenol and cyanide removes cyanogen drop nitrogen decolorising agent and preparation, application method |
| CN109052594B (en) * | 2018-08-15 | 2021-12-03 | 鞍钢栗田(鞍山)水处理有限公司 | Cyanogen-removing nitrogen-reducing decolorant suitable for coking phenol-cyanogen wastewater and preparation and use methods thereof |
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Application publication date: 20180518 |
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