CN106986512A - A kind of environmental wastewater administering method - Google Patents
A kind of environmental wastewater administering method Download PDFInfo
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- CN106986512A CN106986512A CN201710446208.XA CN201710446208A CN106986512A CN 106986512 A CN106986512 A CN 106986512A CN 201710446208 A CN201710446208 A CN 201710446208A CN 106986512 A CN106986512 A CN 106986512A
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- waste water
- administering method
- environmental wastewater
- nitrifier
- sewage
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/026—Fenton's reagent
-
- 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
- C02F3/10—Packings; Fillings; Grids
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Abstract
The present invention provides a kind of environmental wastewater administering method, comprises the following steps:Step 1: adding PAC and PAM into waste water, 30 40min are stirred, waste water one is obtained after filtering;Step 2: waste water one is poured into oxidation pond, under higher organic loading, biochemical degradation and suction-operated are carried out, the time is 10 14h, filters out the various organic substances in sewage, obtains waste water two;Step 3: under relatively low organic loading, adding nitrifier into waste water two, while the COD value in sewage to be reduced to minimum level, 20 40min are maintained, waste water three is filtrated to get;Contain the bluestone catalyst of mass percent 1% Step 4: being added into waste water three, stir 30 60min, waste water four is obtained after filtering;Step 5: adding waste water treating agent in waste water four, 10 15h are stirred, it is exquisite 23 days, filter out impurity and can obtain.Technical scheme implement simply, cost is relatively low, treatment facility is compact, floor space can be greatlyd save and the reaction time is reduced.
Description
Technical field
The invention belongs to technical field of waste water processing, and in particular to a kind of environmental wastewater administering method.
Background technology
Waste water is mainly derived from sanitary sewage and industrial wastewater.Ammonia Nitrogen in Municipal Wastewater and COD concentration are relatively low, can be by suitable
When biochemical treatment reach emission request.Ammonia nitrogen in industrial waste water and COD concentration are high, wide material sources, different factory's discharges
Ammonia nitrogen in waste water content difference is very big.High-concentration ammonia nitrogenous wastewater be mainly derived from petrochemical industry, non-ferrous metal chemical metallurgy, chemical fertilizer,
The industries such as fine chemistry industry, medication chemistry, meat packing and cultivation.
Acid waste water is a kind of strongly acid wastewater containing 1% catalyst sulfuric acid copper produced in process of production.To produce per year
10000 tons of manufacturing enterprises adjust, and such 300 tons of acid waste water are produced daily, wherein COD contents are 20000-25000mg/L, are had
Machine NH3- N is 30mg/L, also containing the salts such as 7.2% sodium chloride, 2-3% sodium sulphate and sulfuric acid, copper sulphate, trace toluene and anti-
Answer accessory substance(Ortho-sulfonic acid methyl benzoate, 0-chloro-benzoic acid methyl esters etc.).Acidity is 15%(In terms of hydrochloric acid), waste water is green.
Patent CN102674621A discloses a kind of method for handling high concentration morpholine waste water, and the invention is at a kind of combination
Science and engineering skill, including biodegradable and two stages of chemical oxidation treatment, and chemical oxidation treatment use only adds Fenton reagent
Method, handled waste water is only high concentration morpholine waste water, and the method handles the effect of waste water:Influent COD > 6000mg/L,
Ammonia nitrogen > 500mg/L morpholine waste water, water outlet COD < 200mg/L, water outlet ammonia nitrogen < 5mg/L.
Although the method for stating can handle ammonia nitrogen and COD in waste water, its complex treatment process, processing procedure hardly possible control
System, the cycle is long, and cost is high, and handles live irritant smell.Accordingly, it would be desirable to which a kind of more preferable method for treating wastewater, comes
Improve the deficiencies in the prior art.
The content of the invention
It is an object of the invention to provide a kind of environmental wastewater administering method, technical scheme implement simply,
Cost is relatively low, treatment facility is compact, and does not have irritative gas generation in processing procedure, can greatly save floor space and subtract
Few reaction time.
The invention provides following technical scheme:
A kind of environmental wastewater administering method, comprises the following steps:
Step 1: adding PAC and PAM into waste water, 30-40min is stirred, waste water one is obtained after filtering;
Step 2: waste water one is poured into oxidation pond, under high organic loading, biochemical degradation and suction-operated are carried out, the time is
10-14h, filters out the various organic substances in sewage, obtains waste water two;
Step 3: under organic loading, nitrifier is added into waste water two, while the COD value in sewage is reduced to minimum
Level, maintains 20-40min, is filtrated to get waste water three;
Contain the bluestone catalyst of mass percent 1% Step 4: being added into waste water three, stir 30-60min, obtained after filtering
Waste water four;
Step 5: adding waste water treating agent in waste water four, 10-15h is stirred, 2-3 days is stood, filters out impurity.
It is preferred that, the oxidation pond of the step 2 is made up of pond body, filler, water-distributing device and oxygenic aeration system, the oxygen
The organic impurities in waste water can effectively be removed by changing the design in pond, and with low cost.
It is preferred that, oxygen content is not less than 80% in the oxidation pond of the step 2 and step 3, advantageously ensures that oxygen is supplied
Should be sufficient, deimpurity efficiency is gone in raising.
It is preferred that, the nitrifier of the step 3 accounts for the 5-10% of the parts by weight of waste water two, and the culture of nitrifier is more than 20
My god, be conducive to handling the better quality of waste water.
It is preferred that, the step 4 stirring is operated at 50-80 DEG C, and bluestone catalyst accounts for the 2- of waste water three parts by weight
5%, be conducive to accelerating the efficiency of processing waste water, improve the quality of processing waste water.
It is preferred that, the waste water treating agent of the step 5 is made up of ferrosilicon copolymer and Fenton reagent, the composite material into
This is cheap, and material source is extensive.
It is preferred that, the ferrosilicon copolymer is that sodium metasilicate and ferrate polymerize to be formed, and sodium metasilicate and ferrate rub
You are than being 3:1, Fenton reagent is by H2O2And FeSO4·7H2O is constituted, H2O2With FeSO4·7H2O mol ratio is 10:3, the composition
Proportioning, can cause effect it is highly efficient.
It is preferred that, the ferrate is potassium ferrate or Na2Fe04, is conducive to cost-effective, and is prepared simple.
The beneficial effects of the invention are as follows:
Oxygen content is not less than 80% in the oxidation pond of the present invention, advantageously ensures that oxygen supply is sufficient, deimpurity effect is gone in raising
Rate.
The nitrifier that the present invention is added, is conducive to handling the better quality of waste water, and nitrifier accounts for the parts by weight of waste water two
5-10%, the culture of nitrifier is conducive to handling the better quality of waste water more than 20 days.Waste water treating agent is by ferrosilicon copolymer
Constituted with Fenton reagent, the composite material is with low cost, material source extensively, can effectively reduce waste water treatment cost.
Technical scheme implement simply, cost is relatively low, treatment facility is compact, and do not pierced in processing procedure
Swash property gas to produce, floor space can be greatlyd save and the reaction time is reduced.
Embodiment
Embodiment 1
A kind of environmental wastewater administering method, comprises the following steps:
Step 1: adding PAC and PAM into waste water, 30min is stirred, waste water one is obtained after filtering;
Step 2: waste water one is poured into oxidation pond, under high organic loading, biochemical degradation and suction-operated are carried out, the time is
10h, filters out the various organic substances in sewage, obtains waste water two;
Step 3: under organic loading, nitrifier is added into waste water two, while the COD value in sewage is reduced to minimum
Level, maintains 20min, is filtrated to get waste water three;
Contain the bluestone catalyst of mass percent 1% Step 4: being added into waste water three, stir 30min, given up after filtering
Water four;
Step 5: adding waste water treating agent in waste water four, 10h is stirred, 2 days is stood, filters out impurity.
The oxidation pond of step 2 is made up of pond body, filler, water-distributing device and oxygenic aeration system, and the design of the oxidation pond can
Effectively to remove the organic impurities in waste water, and it is with low cost.
Oxygen content is not less than 80% in the oxidation pond of step 2 and step 3, advantageously ensures that oxygen supply is sufficient, improves
Go deimpurity efficiency.
The nitrifier of step 3 accounts for the 5% of the parts by weight of waste water two, and the culture of nitrifier is conducive to processing useless more than 20 days
The better quality of water.
Step 4 stirring is operated at 50 DEG C, and bluestone catalyst accounts for the 2% of waste water three parts by weight, is conducive to quickening to handle
The efficiency of waste water, improves the quality of processing waste water.
The waste water treating agent of step 5 is made up of ferrosilicon copolymer and Fenton reagent, and the composite material is with low cost, material
Wide material sources.
Ferrosilicon copolymer is that sodium metasilicate and ferrate polymerize to be formed, and the mol ratio of sodium metasilicate and ferrate is 3:1, it is fragrant
Reagent pause by H2O2And FeSO4·7H2O is constituted, H2O2With FeSO4·7H2O mol ratio is 10:3, the proportioning of the composition can be with
So that effect is highly efficient.
Ferrate is potassium ferrate or Na2Fe04, is conducive to cost-effective, and is prepared simple.
Embodiment 2
A kind of environmental wastewater administering method, comprises the following steps:
Step 1: adding PAC and PAM into waste water, 40min is stirred, waste water one is obtained after filtering;
Step 2: waste water one is poured into oxidation pond, under high organic loading, biochemical degradation and suction-operated are carried out, the time is
14h, filters out the various organic substances in sewage, obtains waste water two;
Step 3: under organic loading, nitrifier is added into waste water two, while the COD value in sewage is reduced to minimum
Level, maintains 40min, is filtrated to get waste water three;
Contain the bluestone catalyst of mass percent 1% Step 4: being added into waste water three, stir 60min, given up after filtering
Water four;
Step 5: adding waste water treating agent in waste water four, 15h is stirred, 3 days is stood, filters out impurity.
The oxidation pond of step 2 is made up of pond body, filler, water-distributing device and oxygenic aeration system, and the design of the oxidation pond can
Effectively to remove the organic impurities in waste water, and it is with low cost.
Oxygen content is not less than 80% in the oxidation pond of step 2 and step 3, advantageously ensures that oxygen supply is sufficient, improves
Go deimpurity efficiency.
The nitrifier of step 3 accounts for the 10% of the parts by weight of waste water two, and the culture of nitrifier is conducive to processing useless more than 20 days
The better quality of water.
Step 4 stirring is operated at 80 DEG C, and bluestone catalyst accounts for the 5% of waste water three parts by weight, is conducive to quickening to handle
The efficiency of waste water, improves the quality of processing waste water.
The waste water treating agent of step 5 is made up of ferrosilicon copolymer and Fenton reagent, and the composite material is with low cost, material
Wide material sources.
Ferrosilicon copolymer is that sodium metasilicate and ferrate polymerize to be formed, and the mol ratio of sodium metasilicate and ferrate is 3:1, it is fragrant
Reagent pause by H2O2And FeSO4·7H2O is constituted, H2O2With FeSO4·7H2O mol ratio is 10:3, the proportioning of the composition can be with
So that effect is highly efficient.
Ferrate is potassium ferrate or Na2Fe04, is conducive to cost-effective, and is prepared simple.
Embodiment 3
A kind of environmental wastewater administering method, comprises the following steps:
Step 1: adding PAC and PAM into waste water, 30min is stirred, waste water one is obtained after filtering;
Step 2: waste water one is poured into oxidation pond, under organic loading, biochemical degradation and suction-operated are carried out, the time is
14h, filters out the various organic substances in sewage, obtains waste water two;
Step 3: under low organic loading, nitrifier is added into waste water two, while the COD value in sewage is reduced to minimum
Level, maintain 20min, be filtrated to get waste water three;
Contain the bluestone catalyst of mass percent 1% Step 4: being added into waste water three, stir 60min, given up after filtering
Water four;
Step 5: adding waste water treating agent in waste water four, 10h is stirred, 3 days is stood, filters out impurity.
The oxidation pond of step 2 is made up of pond body, filler, water-distributing device and oxygenic aeration system, and the design of the oxidation pond can
Effectively to remove the organic impurities in waste water, and it is with low cost.
Oxygen content is not less than 80% in the oxidation pond of step 2 and step 3, advantageously ensures that oxygen supply is sufficient, improves
Go deimpurity efficiency.
The nitrifier of step 3 accounts for the 10% of the parts by weight of waste water two, and the culture of nitrifier is conducive to processing useless more than 20 days
The better quality of water.
Step 4 stirring is operated at 80 DEG C, and bluestone catalyst accounts for the 2% of waste water three parts by weight, is conducive to quickening to handle
The efficiency of waste water, improves the quality of processing waste water.
The waste water treating agent of step 5 is made up of ferrosilicon copolymer and Fenton reagent, and the composite material is with low cost, material
Wide material sources.
Ferrosilicon copolymer is that sodium metasilicate and ferrate polymerize to be formed, and the mol ratio of sodium metasilicate and ferrate is 3:1, it is fragrant
Reagent pause by H2O2And FeSO4·7H2O is constituted, H2O2With FeSO4·7H2O mol ratio is 10:3, the proportioning of the composition can be with
So that effect is highly efficient.
Ferrate is potassium ferrate or Na2Fe04, is conducive to cost-effective, and is prepared simple.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. a kind of environmental wastewater administering method, it is characterised in that comprise the following steps:
Step 1: adding PAC and PAM into waste water, 30-40min is stirred, waste water one is obtained after filtering;
Step 2: waste water one is poured into oxidation pond, under high organic loading, biochemical degradation and suction-operated are carried out, the time is
10-14h, filters out the various organic substances in sewage, obtains waste water two;
Step 3: under organic loading, nitrifier is added into waste water two, while the COD value in sewage is reduced to minimum
Level, maintains 20-40min, is filtrated to get waste water three;
Contain the bluestone catalyst of mass percent 1% Step 4: being added into waste water three, stir 30-60min, obtained after filtering
Waste water four;
Step 5: adding waste water treating agent in waste water four, 10-15h is stirred, 2-3 days is stood, filters out impurity.
2. a kind of environmental wastewater administering method according to claim 1, it is characterised in that the oxidation pond of the step 2 by
Pond body, filler, water-distributing device and oxygenic aeration system composition.
3. a kind of environmental wastewater administering method according to claim 1, it is characterised in that the step 2 and step 3
Oxygen content is not less than 80% in oxidation pond.
4. a kind of environmental wastewater administering method according to claim 1, it is characterised in that the nitrifier of the step 3 accounts for
The 5-10% of the parts by weight of waste water two, the culture of nitrifier is more than 20 days.
5. a kind of environmental wastewater administering method according to claim 1, it is characterised in that the step 4 stirring is in 50-
Operated at 80 DEG C, bluestone catalyst accounts for the 2-5% of waste water three parts by weight.
6. a kind of environmental wastewater administering method according to claim 1, it is characterised in that the wastewater treatment of the step 5
Agent is made up of ferrosilicon copolymer and Fenton reagent.
7. a kind of environmental wastewater administering method according to claim 6, it is characterised in that the ferrosilicon copolymer is silicic acid
Sodium and ferrate polymerize to be formed, and the mol ratio of sodium metasilicate and ferrate is 3:1, Fenton reagent is by H2O2And FeSO4·7H2O
Composition, H2O2With FeSO4·7H2O mol ratio is 10:3.
8. a kind of environmental wastewater administering method according to claim 6, it is characterised in that the ferrate is ferric acid
Potassium or Na2Fe04.
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101417850A (en) * | 2008-11-11 | 2009-04-29 | 江苏百纳环境工程有限公司 | Novel process for treating coking waste water by charging activated sludge process |
CN102674621A (en) * | 2011-03-16 | 2012-09-19 | 中国石油天然气股份有限公司 | Method for treating high-concentration morpholine wastewater |
CN103351046A (en) * | 2013-07-31 | 2013-10-16 | 株洲化工集团诚信有限公司 | Wastewater treatment agent, preparation method thereof and wastewater treatment method |
CN105461151A (en) * | 2014-08-19 | 2016-04-06 | 青岛炜烨锻压机械有限公司 | Landfill leachate treatment technology |
-
2017
- 2017-06-14 CN CN201710446208.XA patent/CN106986512A/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101417850A (en) * | 2008-11-11 | 2009-04-29 | 江苏百纳环境工程有限公司 | Novel process for treating coking waste water by charging activated sludge process |
CN102674621A (en) * | 2011-03-16 | 2012-09-19 | 中国石油天然气股份有限公司 | Method for treating high-concentration morpholine wastewater |
CN103351046A (en) * | 2013-07-31 | 2013-10-16 | 株洲化工集团诚信有限公司 | Wastewater treatment agent, preparation method thereof and wastewater treatment method |
CN105461151A (en) * | 2014-08-19 | 2016-04-06 | 青岛炜烨锻压机械有限公司 | Landfill leachate treatment technology |
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