CN104261632A - Method for domestic sewage treatment - Google Patents
Method for domestic sewage treatment Download PDFInfo
- Publication number
- CN104261632A CN104261632A CN201410547927.7A CN201410547927A CN104261632A CN 104261632 A CN104261632 A CN 104261632A CN 201410547927 A CN201410547927 A CN 201410547927A CN 104261632 A CN104261632 A CN 104261632A
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- China
- Prior art keywords
- sewage
- flocculation
- micro mist
- weight part
- treatment
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Classifications
-
- 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
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
Abstract
The invention discloses a method for domestic sewage treatment. The method comprises the following steps: enabling the sewage to flow through a grating to remove thick and big solid sundries in the sewage; then feeding the sewage into a settling tank to carry out sedimentation treatment; carrying out aerobic treatment process, carrying out processing by a bio-film carrier layer, finally carrying out flocculation treatment, and carrying out other steps. The processing method is simple in process, good in effect, high in color removal rate, low in COD (Chemical Oxygen Demand) and BOD (Biochemical Oxygen Demand), high in phosphorus removal rate, small in solid residual volume, low in cost and suitable for popularization.
Description
Technical field
The present invention relates to a sewage water treatment method, particularly the treatment process of one way of life sewage.
Background technology
Along with China's industrial development, create a large amount of industrial sewage and sanitary sewage, pollution on the environment impact more and more comes obviously.The highly difficult sewage wherein discharged, as chemical engineering sewage, petrifaction sewage, coked waste water, percolate, pharmacy sewage, plating cyanogens-containing sewage water, grinding sewage etc., containing a lot of refractory organic and bio-toxicity material in these sewage, organic components is complicated, chemical oxygen demand COD concentration is high, and this type of sewage is very difficult.In recent years, there have been a lot of research and technological development in China in highly difficult field of sewage treatment, but corresponding environmental protection task is still very arduous.Fenton process, O3 catalytic oxidation method, microwave method, electrolytic catalysis method, burning method, activated sludge process, membrane processing method, other biological method etc. are had at present for highly difficult sewage water treatment method.Research and experiment adopt more to be Fenton process, to be in acid condition, with ferrous ion Fe2+ for catalyzer hydrogen peroxide H2O2 carries out the sewage water treatment method of chemical oxidation.The system be made up of ferrous ion and hydrogen peroxide, also Fenton reagent is claimed, it can generate the hydroxyl radical free radical of strong oxidizing property, generate organic free radical with hardly degraded organic substance in aqueous and make it structure deteriorate, final oxygenolysis, meanwhile, Fe (OH) 3 colloid that reaction generates has flocculation, adsorption function, partial organic substances in Adsorption water.But Fenton process plant area area is large, dosing adapter is complicated, and amount of consumption of drugs is large, and reagent cost is high; need readjustment pH and precipitation after reaction, the easy more mud danger that produces is given up, and runs Chinese medicine input proportion requirement high; reaction conditions requires many, and treatment effect is unstable, limits industrially scalableization development.
Summary of the invention
It is simple that the object of the invention is to provide a kind for the treatment of process, treatment effect good and with low cost domestic sewage processing method.
For achieving the above object, the method that the present invention adopts is: the treatment process of one way of life sewage, comprises following step:
(1) adopt sump pump by the thick solid sundries of sanitary sewage in grid decontamination water, then sewage is sent in settling pit and carry out precipitation process;
(2) by precipitated through settling tank sewage send into aerobic zone carry out aerobic treatment, and aerobic zone increase aerating apparatus carry out Air Exposure;
(3) sewage processed through step (2) is again carried out in biofilm packing layer degraded purification;
(4) water in the step (3) after process flows into secondary and sinks pond, is removed through mud that is aerobic and that produce through microbial film process, obtain the process water of clarification by precipitation;
(5) the process water after secondary sedimentation, flows into the coagulation basin adding coagulating agent, in coagulation basin, stops 6-12min;
(6) flocculation and sterilization: add flocculation agent at flocculation tank, the process water after coagulation for phosphorus removal enters flocculation tank, adds flocculation agent, is stirred by stirrer, makes all colloidal solids in process water complete flocculation;
(7) the process water through flocculation is filtered by the fiber filtering of fibre turntable filter chamber.
As a modification of the present invention, the composition of described flocculation agent is: the aluminium hydroxide of 5-10 weight part, the sodium metaaluminate of 10-15 weight part, the ironic citrate of 5-10 weight part, the bodied ferric sulfate of 5-10 weight part, the Na2Fe04 of 3-5 weight part; The polymerize aluminum chloride of 5-10 weight part, the polyacrylamide of 10-15 weight part, the starch of 20-25 weight part, and the flocculation agent activating component of 3-5 weight part.
As a modification of the present invention, described flocculation agent activating component is selected from the combination of expanded perlite micro mist and flyash micro mist and bentonite in powder, and the granularity of described expanded perlite micro mist is 350-400 order.
As a modification of the present invention, described flocculation agent activating component is the combination of described expanded perlite micro mist and flyash micro mist, the weight ratio 5:3:1 of expanded perlite micro mist and flyash micro mist.
Beneficial effect:
Domestic sewage treatment process of the present invention, by precipitating pre-treatment, aerobic treatment process and then being processed by biofilm packing layer, finally by combining of the steps such as flocculation treatment, its technique is simple, effective, percent of decolourization, COD, BOD clearance, tp removal rate is high, and solid residues amount is little, and with low cost, be applicable to promoting.
embodiment:
Below in conjunction with specific embodiment, the present invention is further described;
Embodiment 1:
The treatment process of one way of life sewage, comprises following step:
(1) adopt sump pump by the thick solid sundries of sanitary sewage in grid decontamination water, then sewage is sent in settling pit and carry out precipitation process;
(2) by precipitated through settling tank sewage send into aerobic zone carry out aerobic treatment, and aerobic zone increase aerating apparatus carry out Air Exposure;
(3) sewage processed through step (2) is again carried out in biofilm packing layer degraded purification;
(4) water in the step (3) after process flows into secondary and sinks pond, is removed through mud that is aerobic and that produce through microbial film process, obtain the process water of clarification by precipitation;
(5) the process water after secondary sedimentation, flows into the coagulation basin adding coagulating agent, in coagulation basin, stops 6-12min;
(6) flocculation and sterilization: add flocculation agent at flocculation tank, the process water after coagulation for phosphorus removal enters flocculation tank, adds flocculation agent, is stirred by stirrer, makes all colloidal solids in process water complete flocculation;
(7) the process water through flocculation is filtered by the fiber filtering of fibre turntable filter chamber.
The composition of flocculation agent is: the aluminium hydroxide of 5 weight parts, the sodium metaaluminate of 10 weight parts, the ironic citrate of 5 weight parts, the bodied ferric sulfate of 5 weight parts, the Na2Fe04 of 3 weight parts; The polymerize aluminum chloride of 5 weight parts, the polyacrylamide of 10 weight parts, the starch of 20 weight parts, and the flocculation agent activating component of 3 weight parts.Described flocculation agent activating component is selected from the combination of expanded perlite micro mist and flyash micro mist and bentonite in powder, and the granularity of described expanded perlite micro mist is 350 orders.Flocculation agent activating component is the combination of described expanded perlite micro mist and flyash micro mist, the weight ratio 5:3:1 of expanded perlite micro mist and flyash micro mist.
Sewage after aforesaid method process, percent of decolourization is 94.6%, COD clearance 85.5%, BOD clearance is 75.8%, total tp removal rate 95.7%, total ammonia clearance 76.2%, 20 microns of solid substance residual rates 15.8%.
Embodiment 2:
The treatment process of one way of life sewage, comprises following step:
(1) adopt sump pump by the thick solid sundries of sanitary sewage in grid decontamination water, then sewage is sent in settling pit and carry out precipitation process;
(2) by precipitated through settling tank sewage send into aerobic zone carry out aerobic treatment, and aerobic zone increase aerating apparatus carry out Air Exposure;
(3) sewage processed through step (2) is again carried out in biofilm packing layer degraded purification;
(4) water in the step (3) after process flows into secondary and sinks pond, is removed through mud that is aerobic and that produce through microbial film process, obtain the process water of clarification by precipitation;
(5) the process water after secondary sedimentation, flows into the coagulation basin adding coagulating agent, in coagulation basin, stops 8min;
(6) flocculation and sterilization: add flocculation agent at flocculation tank, the process water after coagulation for phosphorus removal enters flocculation tank, adds flocculation agent, is stirred by stirrer, makes all colloidal solids in process water complete flocculation;
(7) the process water through flocculation is filtered by the fiber filtering of fibre turntable filter chamber.
The composition of the flocculation agent in the present embodiment comprises the aluminium hydroxide of 8 weight parts, the sodium metaaluminate of 12 weight parts, the ironic citrate of 8 weight parts, the bodied ferric sulfate of 7 weight parts, the Na2Fe04 of 4 weight parts; The polymerize aluminum chloride of 8 weight parts, the polyacrylamide of 13 weight parts, the starch of 24 weight parts, and 4 flocculation agent activating component of weight part, described flocculation agent activating component is selected from the combination of expanded perlite micro mist and flyash micro mist and bentonite in powder, and the granularity of described expanded perlite micro mist is 370 orders.Flocculation agent activating component is the combination of described expanded perlite micro mist and flyash micro mist, the weight ratio 5:3:1 of expanded perlite micro mist and flyash micro mist.
Sewage after aforesaid method process, percent of decolourization is 95.5%, COD clearance 88.2%, BOD clearance is 78.8%, total tp removal rate 96.2%, total ammonia clearance 78.2%, 20 microns of solid substance residual rates 14.8%.
Embodiment 3:
The treatment process of one way of life sewage, comprises following step:
(1) adopt sump pump by the thick solid sundries of sanitary sewage in grid decontamination water, then sewage is sent in settling pit and carry out precipitation process;
(2) by precipitated through settling tank sewage send into aerobic zone carry out aerobic treatment, and aerobic zone increase aerating apparatus carry out Air Exposure;
(3) sewage processed through step (2) is again carried out in biofilm packing layer degraded purification;
(4) water in the step (3) after process flows into secondary and sinks pond, is removed through mud that is aerobic and that produce through microbial film process, obtain the process water of clarification by precipitation;
(5) the process water after secondary sedimentation, flows into the coagulation basin adding coagulating agent, in coagulation basin, stops 12min;
(6) flocculation and sterilization: add flocculation agent at flocculation tank, the process water after coagulation for phosphorus removal enters flocculation tank, adds flocculation agent, is stirred by stirrer, makes all colloidal solids in process water complete flocculation;
(7) the process water through flocculation is filtered by the fiber filtering of fibre turntable filter chamber.
The composition of the flocculation agent in the present embodiment comprises the aluminium hydroxide of 10 weight parts, the sodium metaaluminate of 15 weight parts, the ironic citrate of 10 weight parts, the bodied ferric sulfate of 10 weight parts, the Na2Fe04 of 5 weight parts; The polymerize aluminum chloride of 10 weight parts, the polyacrylamide of 15 weight parts, the starch of 25 weight parts, and the flocculation agent activating component of 5 weight parts.
Wherein flocculation agent activating component is selected from the combination of expanded perlite micro mist and flyash micro mist and bentonite in powder, and the granularity of described expanded perlite micro mist is 400 orders.Flocculation agent activating component is the combination of described expanded perlite micro mist and flyash micro mist, the weight ratio 5:3:1 of expanded perlite micro mist and flyash micro mist.
Sewage after aforesaid method process, percent of decolourization is 96.6%, COD clearance 90.3%, BOD clearance is 81.8%, total tp removal rate 97.5%, total ammonia clearance 79.6%, 20 microns of solid substance residual rates 14.2%.
Claims (4)
1. the treatment process of one way of life sewage, is characterized in that: comprise following step:
(1) adopt sump pump by the thick solid sundries of sanitary sewage in grid decontamination water, then sewage is sent in settling pit and carry out precipitation process;
(2) by precipitated through settling tank sewage send into aerobic zone carry out aerobic treatment, and aerobic zone increase aerating apparatus carry out Air Exposure;
(3) sewage processed through step (2) is again carried out in biofilm packing layer degraded purification;
(4) water in the step (3) after process flows into secondary and sinks pond, is removed through mud that is aerobic and that produce through microbial film process, obtain the process water of clarification by precipitation;
(5) the process water after secondary sedimentation, flows into the coagulation basin adding coagulating agent, in coagulation basin, stops 6-12min;
(6) flocculation and sterilization: add flocculation agent at flocculation tank, the process water after coagulation for phosphorus removal enters flocculation tank, adds flocculation agent, is stirred by stirrer, makes all colloidal solids in process water complete flocculation;
(7) the process water through flocculation is filtered by the fiber filtering of fibre turntable filter chamber.
2. the treatment process of one way of life sewage according to claim 1, it is characterized in that: the composition of described flocculation agent is: the aluminium hydroxide of 5-10 weight part, the sodium metaaluminate of 10-15 weight part, the ironic citrate of 5-10 weight part, the bodied ferric sulfate of 5-10 weight part, the Na2Fe04 of 3-5 weight part; The polymerize aluminum chloride of 5-10 weight part, the polyacrylamide of 10-15 weight part, the starch of 20-25 weight part, and the flocculation agent activating component of 3-5 weight part.
3. the treatment process of one way of life sewage according to claim 2, is characterized in that: described flocculation agent activating component is selected from the combination of expanded perlite micro mist and flyash micro mist and bentonite in powder, and the granularity of described expanded perlite micro mist is 350-400 order.
4. the treatment process of one way of life sewage according to claim 2, is characterized in that: described flocculation agent activating component is the combination of described expanded perlite micro mist and flyash micro mist, the weight ratio 5:3:1 of expanded perlite micro mist and flyash micro mist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410547927.7A CN104261632A (en) | 2014-10-16 | 2014-10-16 | Method for domestic sewage treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410547927.7A CN104261632A (en) | 2014-10-16 | 2014-10-16 | Method for domestic sewage treatment |
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| CN104261632A true CN104261632A (en) | 2015-01-07 |
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| CN201410547927.7A Pending CN104261632A (en) | 2014-10-16 | 2014-10-16 | Method for domestic sewage treatment |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759160A (en) * | 2015-03-18 | 2015-07-08 | 蚌埠首创滤清器有限公司 | High-strength composite filter material prepared by blending melt-blown polypropylene with nano carbon fiber and used for sewage treatment and preparation method thereof |
| CN104773869A (en) * | 2015-03-30 | 2015-07-15 | 安徽盛运环保（集团）股份有限公司 | Sewage treatment technology |
| CN105110579A (en) * | 2015-09-29 | 2015-12-02 | 李文霞 | Sewage disposal process |
| CN105198059A (en) * | 2015-10-13 | 2015-12-30 | 桂林市春晓环保科技有限公司 | Water treatment coagulant |
| CN105859033A (en) * | 2016-05-09 | 2016-08-17 | 南京海益环保工程有限公司 | Domestic sewage treatment process |
| CN106186530A (en) * | 2016-08-04 | 2016-12-07 | 陈永林 | The high-efficient treatment method of one way of life sewage |
| CN106242129A (en) * | 2016-08-05 | 2016-12-21 | 罗依依 | A kind of municipal sewage plant discharge water is put forward mark method by one-level B to one-level A |
| CN106430744A (en) * | 2016-08-05 | 2017-02-22 | 波鹰(厦门)科技有限公司 | Device for improving standards of discharged water of municipal sewage treatment plant to first-level A from first-level B |
| CN106477695A (en) * | 2015-08-27 | 2017-03-08 | 中国石油天然气股份有限公司 | Composite flocculation agent, its preparation method and process for treating oil field sewage |
| CN107140786A (en) * | 2017-05-25 | 2017-09-08 | 清水源（上海）环保科技有限公司 | A kind of biology sewage treatment equipment |
| CN107162074A (en) * | 2017-06-05 | 2017-09-15 | 丁凯凯 | Domestic sewage treating compound |
| RU175092U1 (en) * | 2016-12-06 | 2017-11-20 | федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский политехнический университет Петра Великого" (ФГАОУ ВО "СПбПУ") | NATURAL WATER TREATMENT UNIT |
| CN108975628A (en) * | 2018-08-20 | 2018-12-11 | 朱翠帮 | A kind for the treatment of process of mining area sewage |
| CN108996834A (en) * | 2018-08-20 | 2018-12-14 | 朱翠帮 | A kind of processing method of sanitary sewage |
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| CN102838260A (en) * | 2012-09-22 | 2012-12-26 | 晋江泉荣远东水处理有限公司 | Industrial sewage treatment system and sewage treatment method |
| CN103241818A (en) * | 2013-05-29 | 2013-08-14 | 滁州友林科技发展有限公司 | Organic/inorganic compound type flocculant |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759160A (en) * | 2015-03-18 | 2015-07-08 | 蚌埠首创滤清器有限公司 | High-strength composite filter material prepared by blending melt-blown polypropylene with nano carbon fiber and used for sewage treatment and preparation method thereof |
| CN104773869A (en) * | 2015-03-30 | 2015-07-15 | 安徽盛运环保（集团）股份有限公司 | Sewage treatment technology |
| CN106477695A (en) * | 2015-08-27 | 2017-03-08 | 中国石油天然气股份有限公司 | Composite flocculation agent, its preparation method and process for treating oil field sewage |
| CN106477695B (en) * | 2015-08-27 | 2019-09-03 | 中国石油天然气股份有限公司 | Composite flocculation agent, preparation method and process for treating oil field sewage |
| CN105110579A (en) * | 2015-09-29 | 2015-12-02 | 李文霞 | Sewage disposal process |
| CN105198059A (en) * | 2015-10-13 | 2015-12-30 | 桂林市春晓环保科技有限公司 | Water treatment coagulant |
| CN105859033A (en) * | 2016-05-09 | 2016-08-17 | 南京海益环保工程有限公司 | Domestic sewage treatment process |
| CN106186530B (en) * | 2016-08-04 | 2019-04-23 | 云南腾旭市政工程设计有限公司 | A kind of high-efficient treatment method of sanitary sewage |
| CN106186530A (en) * | 2016-08-04 | 2016-12-07 | 陈永林 | The high-efficient treatment method of one way of life sewage |
| CN106430744A (en) * | 2016-08-05 | 2017-02-22 | 波鹰(厦门)科技有限公司 | Device for improving standards of discharged water of municipal sewage treatment plant to first-level A from first-level B |
| CN106242129A (en) * | 2016-08-05 | 2016-12-21 | 罗依依 | A kind of municipal sewage plant discharge water is put forward mark method by one-level B to one-level A |
| RU175092U1 (en) * | 2016-12-06 | 2017-11-20 | федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский политехнический университет Петра Великого" (ФГАОУ ВО "СПбПУ") | NATURAL WATER TREATMENT UNIT |
| CN107140786A (en) * | 2017-05-25 | 2017-09-08 | 清水源（上海）环保科技有限公司 | A kind of biology sewage treatment equipment |
| CN107162074A (en) * | 2017-06-05 | 2017-09-15 | 丁凯凯 | Domestic sewage treating compound |
| CN108975628A (en) * | 2018-08-20 | 2018-12-11 | 朱翠帮 | A kind for the treatment of process of mining area sewage |
| CN108996834A (en) * | 2018-08-20 | 2018-12-14 | 朱翠帮 | A kind of processing method of sanitary sewage |
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Application publication date: 20150107 |