CN103359872A - Domestic wastewater treatment method - Google Patents
Domestic wastewater treatment method Download PDFInfo
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- CN103359872A CN103359872A CN2013103314241A CN201310331424A CN103359872A CN 103359872 A CN103359872 A CN 103359872A CN 2013103314241 A CN2013103314241 A CN 2013103314241A CN 201310331424 A CN201310331424 A CN 201310331424A CN 103359872 A CN103359872 A CN 103359872A
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- magnetization
- waste water
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- ammonia nitrogen
- nitrogen removal
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- 238000004065 wastewater treatment Methods 0.000 title abstract description 9
- 239000010840 domestic wastewater Substances 0.000 title abstract 6
- 239000002351 wastewater Substances 0.000 claims abstract description 63
- 230000005415 magnetization Effects 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 41
- 239000000701 coagulant Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 20
- 238000006722 reduction reaction Methods 0.000 claims description 20
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 15
- 239000003153 chemical reaction reagent Substances 0.000 claims description 15
- 230000008676 import Effects 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 11
- 239000000920 calcium hydroxide Substances 0.000 claims description 11
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 11
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 11
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 11
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- 239000006004 Quartz sand Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 239000011734 sodium Substances 0.000 claims description 10
- 239000006228 supernatant Substances 0.000 claims description 10
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 5
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 5
- 229960000892 attapulgite Drugs 0.000 claims description 5
- 125000002091 cationic group Chemical group 0.000 claims description 5
- 239000004927 clay Substances 0.000 claims description 5
- 239000003245 coal Substances 0.000 claims description 5
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical group O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 5
- 239000000284 extract Substances 0.000 claims description 5
- 239000000706 filtrate Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000005189 flocculation Methods 0.000 claims description 5
- 230000016615 flocculation Effects 0.000 claims description 5
- 239000010881 fly ash Substances 0.000 claims description 5
- 238000001471 micro-filtration Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 229910052625 palygorskite Inorganic materials 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 238000004062 sedimentation Methods 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000855 fermentation Methods 0.000 abstract description 2
- 230000004151 fermentation Effects 0.000 abstract description 2
- 230000000813 microbial effect Effects 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention provides a domestic wastewater treatment method. The domestic wastewater treatment method adopts a two-step magnetization technology. Through the domestic wastewater treatment method, organic matters in wastewater can be treated more easily. The domestic wastewater treatment method only comprises chemical treatment, does not comprise microbial fermentation treatment, and has short treatment time and good treatment effects. Water treated by the domestic wastewater treatment method satisfies reclaimed water recycle standards.
Description
Technical field
The present invention relates to a kind of sewage water treatment method, be specifically related to the treatment process of one way of life waste water.
Background technology
To the processing of sanitary wastewater, generally adopt biological method to process, its treatment time is long, and processing cost is high.The document that name is called " research of MBR and catalytic oxidation combined treatment sanitary sewage " is disclosed such as " industrial safety and environmental protection " the 12nd phase of the 38th volume in 2012, wherein adopted the method for membrane bioreactor to process sanitary sewage, the equipment used cost is high in its sewage treatment process, long operational time, be unfavorable for sanitary sewage disposal, particularly rural domestic sewage treatment applies.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides the one way of life method of wastewater treatment, its processing cost is low, and the treatment time is short, is fit to general utilization and extention.
Technical scheme of the present invention is as follows:
The one way of life method of wastewater treatment, adopt following steps:
(1) getting sanitary wastewater and import the magnetization mixing reactor, is under the magnetization condition of 600～800mT in magneticstrength, and magnetization 5～6s makes magnetization waste water;
(2) the magnetization waste water with step (1) adds respectively slaked lime, coagulant polymeric ferric sulfate and high-efficient coagulant aide, stirs, and natural subsidence extracts supernatant liquid; The add-on of slaked lime is 100-150mg/L, and the add-on of bodied ferric sulfate is 6mg/L～10 mg/L, and the add-on of high-efficient coagulant aide is 200mg/L～300mg/L; Described high-efficient coagulant aide is 150-200 purpose attapulgite clay;
(3) getting the supernatant liquid of step (2), add hydrochloric acid adjust pH to 6.0～6.5, import the magnetization mixing reactor, is under the magnetization condition of 400～500mT in magneticstrength, and magnetization 4～6s makes magnetization waste water;
(4) the magnetization waste water of step (3) directly imports agitated pool, hydro-oxidation sodium is regulated PH to 7-8, mol ratio according to ammonia-nitrogen, ammonia nitrogen removal reagent in the magnetization waste water is the ratio of 1:1.5 ~ 2.5, add ammonia nitrogen removal reagent, after mixing, add cationic starch-Dyhard RU 100-formaldehyde-poly ferric chloride flocculant agent, the add-on of flocculation agent is 1-2Kg/ ton water, continue to stir 20-30 minute, the waste water after the stirring carries out sedimentation, and clear liquid pumps into more medium filter and filters; Described ammonia nitrogen removal reagent is that mol ratio is the MgCl of 0.5:0.5:1
2.6H
2O, CaCl
2And Na
2HPO
4
(5) waste water with more medium filter pumps in the ammonia nitrogen removal strainer, carries out ammonia nitrogen removal and processes, and the ammonia nitrogen removal filtrate of ammonia nitrogen removal strainer is modified zeolite;
(6) with the waste water after step (5) filtration, add superoxol, the add-on of hydrogen peroxide is 100～200mg/L;
(7) waste water of step (6) is pumped into reduction reactor and carry out reduction reaction, reduction reactor is filled with the mixture of quartz sand, gac and macroporous resin;
(8) access of the waste water behind reduction reactor cartridge filter, cartridge filter is that filter core is the micro-filtration of the pp spray fusing cotton of 3-5um.
Described more medium filter is the strainer of flyash, hard coal and quartz sand layering place mat.
The present invention has following beneficial effect:
1. the present invention is through twice magnetization, the organism in the sanitary wastewater after magnetization, easier being adsorbed, easier removing, it is better to remove efficient.
2. add first slaked lime, coagulant polymeric ferric sulfate and high-efficient coagulant aide, can remove most organism and heavy metal, make things convenient for postorder to process.
3. first through after absorption and the ammonia nitrogen removal processing, carry out again at last oxide treatment, provide cost savings, improved treatment effect.
4. cost of the present invention is low, has saved the nanometer film processing; Present method is only passed through chemical treatment, the processing that do not undergo microbial fermentation, and the treatment time is short; Treatment effect is good, reaches middle water reuse standard fully.
Embodiment
The present invention is further illustrated below in conjunction with embodiment.
Embodiment 1
(1) getting sanitary wastewater and import the magnetization mixing reactor, is under the magnetization condition of 600～800mT in magneticstrength, and magnetization 5～6s makes magnetization waste water;
(2) the magnetization waste water with step (1) adds respectively slaked lime, coagulant polymeric ferric sulfate and high-efficient coagulant aide, stirs, and natural subsidence extracts supernatant liquid; The add-on of slaked lime is 100mg/L, and the add-on of bodied ferric sulfate is 6mg/L, and the add-on of high-efficient coagulant aide is 200mg/L; Described high-efficient coagulant aide is 150-200 purpose attapulgite clay;
(3) getting the supernatant liquid of step (2), add hydrochloric acid adjust pH to 6.0～6.5, import the magnetization mixing reactor, is under the magnetization condition of 400～500mT in magneticstrength, and magnetization 4～6s makes magnetization waste water;
(4) the magnetization waste water of step (3) directly imports agitated pool, hydro-oxidation sodium is regulated PH to 7-8, mol ratio according to ammonia-nitrogen, ammonia nitrogen removal reagent in the magnetization waste water is the ratio of 1:1.5, add ammonia nitrogen removal reagent, after mixing, add cationic starch-Dyhard RU 100-formaldehyde-poly ferric chloride flocculant agent, the add-on of flocculation agent is 1Kg/ ton water, continue to stir 20-30 minute, the waste water after the stirring carries out sedimentation, and clear liquid pumps into more medium filter and filters; Described ammonia nitrogen removal reagent is that mol ratio is the MgCl of 0.5:0.5:1
2.6H
2O, CaCl
2And Na
2HPO
4Described more medium filter is the strainer of flyash, hard coal and quartz sand layering place mat;
(5) waste water with more medium filter pumps in the ammonia nitrogen removal strainer, carries out ammonia nitrogen removal and processes, and the ammonia nitrogen removal filtrate of ammonia nitrogen removal strainer is modified zeolite;
(6) with the waste water after step (5) filtration, add superoxol, the add-on of hydrogen peroxide is 100～200mg/L;
(7) waste water of step (6) is pumped into reduction reactor and carry out reduction reaction, reduction reactor is filled with the mixture of quartz sand, gac and macroporous resin;
(8) access of the waste water behind reduction reactor cartridge filter, cartridge filter is that filter core is the micro-filtration of the pp spray fusing cotton of 3-5um.
Embodiment 2
(1) getting sanitary wastewater and import the magnetization mixing reactor, is under the magnetization condition of 600～800mT in magneticstrength, and magnetization 5～6s makes magnetization waste water;
(2) the magnetization waste water with step (1) adds respectively slaked lime, coagulant polymeric ferric sulfate and high-efficient coagulant aide, stirs, and natural subsidence extracts supernatant liquid; The add-on of slaked lime is 150mg/L, and the add-on of bodied ferric sulfate is 10 mg/L, and the add-on of high-efficient coagulant aide is 300mg/L; Described high-efficient coagulant aide is 150-200 purpose attapulgite clay;
(3) getting the supernatant liquid of step (2), add hydrochloric acid adjust pH to 6.0～6.5, import the magnetization mixing reactor, is under the magnetization condition of 400～500mT in magneticstrength, and magnetization 4～6s makes magnetization waste water;
(4) the magnetization waste water of step (3) directly imports agitated pool, hydro-oxidation sodium is regulated PH to 7-8, mol ratio according to ammonia-nitrogen, ammonia nitrogen removal reagent in the magnetization waste water is the ratio of 1:2.5, add ammonia nitrogen removal reagent, after mixing, add cationic starch-Dyhard RU 100-formaldehyde-poly ferric chloride flocculant agent, the add-on of flocculation agent is 2Kg/ ton water, continue to stir 20-30 minute, the waste water after the stirring carries out sedimentation, and clear liquid pumps into more medium filter and filters; Described ammonia nitrogen removal reagent is that mol ratio is the MgCl of 0.5:0.5:1
2.6H
2O, CaCl
2And Na
2HPO
4Described more medium filter is the strainer of flyash, hard coal and quartz sand layering place mat;
(5) waste water with more medium filter pumps in the ammonia nitrogen removal strainer, carries out ammonia nitrogen removal and processes, and the ammonia nitrogen removal filtrate of ammonia nitrogen removal strainer is modified zeolite;
(6) with the waste water after step (5) filtration, add superoxol, the add-on of hydrogen peroxide is 100mg/L;
(7) waste water of step (6) is pumped into reduction reactor and carry out reduction reaction, reduction reactor is filled with the mixture of quartz sand, gac and macroporous resin;
(8) access of the waste water behind reduction reactor cartridge filter, cartridge filter is that filter core is the micro-filtration of the pp spray fusing cotton of 3-5um.
Embodiment 3
(1) getting sanitary wastewater and import the magnetization mixing reactor, is under the magnetization condition of 600～800mT in magneticstrength, and magnetization 5～6s makes magnetization waste water;
(2) the magnetization waste water with step (1) adds respectively slaked lime, coagulant polymeric ferric sulfate and high-efficient coagulant aide, stirs, and natural subsidence extracts supernatant liquid; The add-on of slaked lime is 120mg/L, and the add-on of bodied ferric sulfate is 8 mg/L, and the add-on of high-efficient coagulant aide is 250mg/L; Described high-efficient coagulant aide is 150-200 purpose attapulgite clay;
(3) getting the supernatant liquid of step (2), add hydrochloric acid adjust pH to 6.0～6.5, import the magnetization mixing reactor, is under the magnetization condition of 400～500mT in magneticstrength, and magnetization 4～6s makes magnetization waste water;
(4) the magnetization waste water of step (3) directly imports agitated pool, hydro-oxidation sodium is regulated PH to 7-8, mol ratio according to ammonia-nitrogen, ammonia nitrogen removal reagent in the magnetization waste water is the ratio of 1:2, add ammonia nitrogen removal reagent, after mixing, add cationic starch-Dyhard RU 100-formaldehyde-poly ferric chloride flocculant agent, the add-on of flocculation agent is 1.5Kg/ ton water, continue to stir 20-30 minute, the waste water after the stirring carries out sedimentation, and clear liquid pumps into more medium filter and filters; Described ammonia nitrogen removal reagent is that mol ratio is the MgCl of 0.5:0.5:1
2.6H
2O, CaCl
2And Na
2HPO
4Described more medium filter is the strainer of flyash, hard coal and quartz sand layering place mat
(5) waste water with more medium filter pumps in the ammonia nitrogen removal strainer, carries out ammonia nitrogen removal and processes, and the ammonia nitrogen removal filtrate of ammonia nitrogen removal strainer is modified zeolite;
(6) with the waste water after step (5) filtration, add superoxol, the add-on of hydrogen peroxide is 150mg/L;
(7) waste water of step (6) is pumped into reduction reactor and carry out reduction reaction, reduction reactor is filled with the mixture of quartz sand, gac and macroporous resin;
(8) access of the waste water behind reduction reactor cartridge filter, cartridge filter is that filter core is the micro-filtration of the pp spray fusing cotton of 3-5um.
The relevant data of three embodiment is as follows:
As can be seen from the above data, each check item through the waste water after the method processing of the present invention has obvious decline, reached the emission standard of the sanitary sewage of GB 18918-2002, so the effluent quality of sanitary wastewater treatment process provided by the invention is good, reach the standard of middle water reuse fully.
Claims (2)
1. the treatment process of one way of life waste water, adopt following steps:
(1) getting sanitary wastewater and import the magnetization mixing reactor, is under the magnetization condition of 600～800mT in magneticstrength, and magnetization 5～6s makes magnetization waste water;
(2) the magnetization waste water with step (1) adds respectively slaked lime, coagulant polymeric ferric sulfate and high-efficient coagulant aide, stirs, and natural subsidence extracts supernatant liquid; The add-on of slaked lime is 100-150mg/L, and the add-on of bodied ferric sulfate is 6mg/L～10 mg/L, and the add-on of high-efficient coagulant aide is 200mg/L～300mg/L; Described high-efficient coagulant aide is 150-200 purpose attapulgite clay;
(3) getting the supernatant liquid of step (2), add hydrochloric acid adjust pH to 6.0～6.5, import the magnetization mixing reactor, is under the magnetization condition of 400～500mT in magneticstrength, and magnetization 4～6s makes magnetization waste water;
(4) the magnetization waste water of step (3) directly imports agitated pool, hydro-oxidation sodium is regulated PH to 7-8, mol ratio according to ammonia-nitrogen, ammonia nitrogen removal reagent in the magnetization waste water is the ratio of 1:1.5 ~ 2.5, add ammonia nitrogen removal reagent, after mixing, add cationic starch-Dyhard RU 100-formaldehyde-poly ferric chloride flocculant agent, the add-on of flocculation agent is 1-2Kg/ ton water, continue to stir 20-30 minute, the waste water after the stirring carries out sedimentation, and clear liquid pumps into more medium filter and filters; Described ammonia nitrogen removal reagent is that mol ratio is the MgCl of 0.5:0.5:1
2.6H
2O, CaCl
2And Na
2HPO
4
(5) waste water with more medium filter pumps in the ammonia nitrogen removal strainer, carries out ammonia nitrogen removal and processes, and the ammonia nitrogen removal filtrate of ammonia nitrogen removal strainer is modified zeolite;
(6) with the waste water after step (5) filtration, add superoxol, the add-on of hydrogen peroxide is 100～200mg/L;
(7) waste water of step (6) is pumped into reduction reactor and carry out reduction reaction, reduction reactor is filled with the mixture of quartz sand, gac and macroporous resin;
(8) access of the waste water behind reduction reactor cartridge filter, cartridge filter is that filter core is the micro-filtration of the pp spray fusing cotton of 3-5um.
2. the treatment process of sanitary wastewater according to claim 1, it is characterized in that: described more medium filter is the strainer of flyash, hard coal and quartz sand layering place mat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310331424.1A CN103359872B (en) | 2013-08-02 | 2013-08-02 | Domestic wastewater treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310331424.1A CN103359872B (en) | 2013-08-02 | 2013-08-02 | Domestic wastewater treatment method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103359872A true CN103359872A (en) | 2013-10-23 |
| CN103359872B CN103359872B (en) | 2014-11-05 |
Family
ID=49362249
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104528895A (en) * | 2014-12-26 | 2015-04-22 | 苏州安特实业有限公司 | Sewage magnetization treatment device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997008103A1 (en) * | 1995-08-23 | 1997-03-06 | Yukiko Hayashi | Water treatment method and water treatment facilities |
| KR20010068198A (en) * | 2000-06-22 | 2001-07-23 | 용 하 김 | Method and Apparatus for Advanced Treatment of Sewage and Industrial Wastewater Using Magnetic Force and Biological Film |
| CN1428302A (en) * | 2001-12-27 | 2003-07-09 | 陈曦 | Coupling field oxidation sewage treatment method |
| CN102107934A (en) * | 2010-12-30 | 2011-06-29 | 内蒙古科技大学 | Electromagnetic coagulation treatment method |
| CN102863114A (en) * | 2012-10-16 | 2013-01-09 | 山东省环境保护科学研究设计院 | Deep treatment method for pulping papermaking wastewater |
-
2013
- 2013-08-02 CN CN201310331424.1A patent/CN103359872B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997008103A1 (en) * | 1995-08-23 | 1997-03-06 | Yukiko Hayashi | Water treatment method and water treatment facilities |
| KR20010068198A (en) * | 2000-06-22 | 2001-07-23 | 용 하 김 | Method and Apparatus for Advanced Treatment of Sewage and Industrial Wastewater Using Magnetic Force and Biological Film |
| CN1428302A (en) * | 2001-12-27 | 2003-07-09 | 陈曦 | Coupling field oxidation sewage treatment method |
| CN102107934A (en) * | 2010-12-30 | 2011-06-29 | 内蒙古科技大学 | Electromagnetic coagulation treatment method |
| CN102863114A (en) * | 2012-10-16 | 2013-01-09 | 山东省环境保护科学研究设计院 | Deep treatment method for pulping papermaking wastewater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104528895A (en) * | 2014-12-26 | 2015-04-22 | 苏州安特实业有限公司 | Sewage magnetization treatment device |
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