CN106186530A - The high-efficient treatment method of one way of life sewage - Google Patents

The high-efficient treatment method of one way of life sewage Download PDF

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Publication number
CN106186530A
CN106186530A CN201610634161.5A CN201610634161A CN106186530A CN 106186530 A CN106186530 A CN 106186530A CN 201610634161 A CN201610634161 A CN 201610634161A CN 106186530 A CN106186530 A CN 106186530A
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sludge
tank
treatment method
way
efficient treatment
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CN106186530B (en
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陈永林
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Yunnan Tengxu Municipal Engineering Design Co., Ltd.
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陈永林
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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
    • C02F11/00—Treatment of sludge; Devices therefor
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/008—Sludge treatment by fixation or solidification
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical 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
    • 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
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • 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
    • C02F2303/00—Specific treatment goals
    • C02F2303/06—Sludge reduction, e.g. by lysis
    • 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
    • C02F3/30—Aerobic and anaerobic processes
    • C02F3/301—Aerobic and anaerobic treatment in the same reactor

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physical Water Treatments (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

The invention discloses the high-efficient treatment method of one way of life sewage, comprise the following steps: first sanitary sewage is joined in oxidization and sedimentation basin, add hydrogenperoxide steam generator, oxidation precipitation, obtain supernatant and base sludge, base sludge is drained in sludge-tank, then supernatant is pumped in anaerobic-aerobic reactor, proceed anaerobic degradation precipitation, mud after precipitation is drained into sludge-tank, supernatant pumps into Sedimentation tank, add flocculant and continue precipitation, the mud obtained is drained in sludge-tank, supernatant is pumped into final deposition pool, carry out continuing precipitation, supernatant discharges, base sludge is drained in sludge-tank, finally the mud in sludge-tank is added photocatalyst, extractants etc. carry out microwave treatment.The method can effectively remove the heavy metal in waste water and organic pollution, and efficiency is high, low cost.

Description

The high-efficient treatment method of one way of life sewage
Technical field:
The present invention relates to field of waste water treatment, be specifically related to the high-efficient treatment method of one way of life sewage.
Background technology:
For a long time, people think that water is the resource of " inexhaustible, nexhaustible " always.But since nearly half a century It turns out that, along with the mankind utilize scope constantly to expand water resource, intensity is continuously increased, to the demand of water in many states Family and area are well beyond the output of water resource, and water resources crisis signals for help repeatedly, even more rich at those water resource ratios Countries and regions, due to exploitation, utilize water while also pollute water resource, also occur in that what water quality type water resource lacked asks Topic.China is the country that world population is most, along with abruptly increase, rural urbanization and the living standards of the people of urban population Improving, water requirement and gross water requirement are continuously increased per capita, and municipal sewage total release is gradually increased the most accordingly.This point, Since the nineties particularly evident.Within 1997, China's municipal wastewater discharge capacity is 18,900,000,000 m3, wherein COD content is 68,400,000,000 tons. 1999, China's city domestic sewage pollutional load exceeded industrial wastewater pollution load, the weight of China's water pollution control first Point from the control that industry point source is master, is gradually transferred to the control based on city domestic sewage.
The most conventional domestic sewage processing method mainly has anaerobic treatment process, biomembrance process to process technique, combine life Thing treatment technology etc., although the harmful substance in sanitary sewage can well be removed by it, but remaining mud is unstable, The content of organic matter is high, it is difficult to degraded, environment can be caused secondary pollution.
Summary of the invention:
It is an object of the invention to provide the high-efficient treatment method of one way of life sewage, the method can effectively remove life dirt Heavy metal in water and organic pollution, non-secondary pollution, efficiency is high, low cost.
For achieving the above object, the present invention is by the following technical solutions:
The high-efficient treatment method of one way of life sewage, comprises the following steps:
(1) sanitary sewage is pumped in oxidization and sedimentation basin, add hydrogenperoxide steam generator, after stirring, standing and reacting 1-2h, then adds flocculant, after stirring, standing sedimentation, is pumped into by supernatant in the sanitary sewage after oxidation processes In anaerobic-aerobic reactor, base sludge is drained in sludge-tank；
(2) anaerobic-aerobic reactor is called in anaerobic state, and add the biological microcarrier with adsorption function, stand Process 10-20min, then in anaerobic-aerobic reactor, be passed through air, stir simultaneously, be processed as 10-30min, then will Sanitary sewage pumps in Sedimentation tank, staticly settles 30-50min after adding flocculant, and supernatant enters in coagulating basin, and coagulation is anti- Flow automatically after should entrance final deposition pool, and base sludge is drained in sludge-tank；
(3) by the supernatant discharge after precipitation in final deposition pool, base sludge is drained in sludge-tank；
(4) mud in above-mentioned sludge-tank is sequentially added into photocatalyst, extractant, exciting agent, alkaline curing agent and Heavy metals immobilization agent, after being uniformly mixed, is processed into the granule of a diameter of 10-30cm；
(5) mud granule that step (4) prepares is put into and carried out microwave and photo catalysis process in microwave oven, and recycled The waste gas produced in journey.
Preferred as technique scheme, in step (1), the mass concentration of described hydrogenperoxide steam generator is 20-40%.
Preferred as technique scheme, in step (1), (2), described flocculant is appointing in villaumite, iron salt, magnesium salt Meaning one.
Preferred as technique scheme, in step (2), described biological microcarrier is kieselguhr, clay, attapulgite In one.
Preferred as technique scheme, in step (4), described photocatalyst is nano titanium oxide, nano oxidized The mixture of zinc, the two mass ratio is 1:(0.5-0.8).
Preferred as technique scheme, in step (4), described extractant is dimethyl carbonate, 1,2-PD, second One or more mixing in acetoacetic ester.
Preferred as technique scheme, in step (4), described exciting agent is the mixture of magnesium chloride, sodium sulfate, two Person's mass ratio is (0.3-0.5): 1.
Preferred as technique scheme, in step (4), described alkaline curing agent is waterglass.
Preferred as technique scheme, in step (4), described microwave temperature scope is 100-450 DEG C, power bracket For 100-7000W.
Preferred as technique scheme, in step (4), described mud, photocatalyst, extractant, exciting agent, alkalescence The mass ratio of firming agent and heavy metals immobilization agent is 100:(0.15-0.8): (1-2): (0.05-0.1): (0.08-0.12): (0.005-0.1)。
The method have the advantages that
Addition photocatalyst, exciting agent, extractant etc. in present invention mud after waste water processes, and under certain condition Carrying out microwave treatment, effectively removes the active organic matter in mud, inertia organic matter, moisture etc., the addition of waterglass makes In mud, the organic matter of remnants, heavy metal, Binder Materials bonding are got up, and are obtained the Microwave Emulsifier-Free Polymerization thing of high intensity；
This process process costs is low, and efficiency is high, simple to operate, to environment non-secondary pollution, is suitable to large-scale use.
Detailed description of the invention:
In order to be better understood from the present invention, below by embodiment, the present invention is further described, and embodiment is served only for solving Release the present invention, the present invention will not be constituted any restriction.
Embodiment 1
The high-efficient treatment method of one way of life sewage, comprises the following steps:
(1) pumping in oxidization and sedimentation basin by sanitary sewage, adding mass concentration is the hydrogenperoxide steam generator of 20%, stirring After Jun Yun, standing and reacting 1h, then the sanitary sewage after oxidation processes adds flocculant, after stirring, standing sedimentation, Supernatant is pumped in anaerobic-aerobic reactor, base sludge is drained in sludge-tank；
(2) anaerobic-aerobic reactor being called in anaerobic state, and add kieselguhr, standing processes 10min, then to detesting Oxygen aerobic reactor is passed through air, stirs simultaneously, be processed as 10min, then sanitary sewage is pumped in Sedimentation tank, add Staticly settling 30min after entering flocculant, supernatant enters in coagulating basin, and after coagulating, gravity flow enters final deposition pool, base sludge It is drained in sludge-tank；
(3) by the supernatant discharge after precipitation in final deposition pool, base sludge is drained in sludge-tank；
(4) mud in above-mentioned sludge-tank is sequentially added into photocatalyst, extractant, exciting agent, alkaline curing agent and Heavy metals immobilization agent, after being uniformly mixed, is processed into the granule of a diameter of 10-30cm, wherein, mud, photocatalyst, extraction The mass ratio of agent, exciting agent, alkaline curing agent and heavy metals immobilization agent is 100:0.15:1:0.05:0.08:0.005；
(5) putting at 100-450 DEG C in microwave oven by the mud granule that step (4) prepares, power bracket is 100-7000W Under, carry out the waste gas produced during microwave and photo catalysis processes 2min, and recycling.
Embodiment 2
The high-efficient treatment method of one way of life sewage, comprises the following steps:
(1) pumping in oxidization and sedimentation basin by sanitary sewage, adding mass concentration is the hydrogenperoxide steam generator of 40%, stirring After Jun Yun, standing and reacting 2h, then the sanitary sewage after oxidation processes adds flocculant, after stirring, standing sedimentation, Supernatant is pumped in anaerobic-aerobic reactor, base sludge is drained in sludge-tank；
(2) anaerobic-aerobic reactor being called in anaerobic state, and add clay, standing processes 20min, then to anaerobism Aerobic reactor is passed through air, stirs simultaneously, be processed as 30min, then sanitary sewage is pumped in Sedimentation tank, add Staticly settling 50min after flocculant, supernatant enters in coagulating basin, and after coagulating, gravity flow enters final deposition pool, and base sludge is arranged Enter in sludge-tank；
(3) by the supernatant discharge after precipitation in final deposition pool, base sludge is drained in sludge-tank；
(4) mud in above-mentioned sludge-tank is sequentially added into photocatalyst, extractant, exciting agent, alkaline curing agent and Heavy metals immobilization agent, after being uniformly mixed, is processed into the granule of a diameter of 10-30cm, wherein, mud, photocatalyst, extraction The mass ratio of agent, exciting agent, alkaline curing agent and heavy metals immobilization agent is 100:0.8:2:0.1:0.12:0.1；
(5) putting at 100-450 DEG C in microwave oven by the mud granule that step (4) prepares, power bracket is 100-7000W Under, carry out the waste gas produced during microwave and photo catalysis processes 10min, and recycling.
Embodiment 3
The high-efficient treatment method of one way of life sewage, comprises the following steps:
(1) pumping in oxidization and sedimentation basin by sanitary sewage, adding mass concentration is the hydrogenperoxide steam generator of 25%, stirring After Jun Yun, standing and reacting 1.2h, then the sanitary sewage after oxidation processes adds flocculant, after stirring, it is heavy to stand Fall, is pumped into supernatant in anaerobic-aerobic reactor, is drained in sludge-tank by base sludge；
(2) anaerobic-aerobic reactor is called in anaerobic state, and adds attapulgite, standing process 15min, then to Anaerobic-aerobic reactor is passed through air, stirs simultaneously, be processed as 15min, then sanitary sewage is pumped in Sedimentation tank, Staticly settling 35min after adding flocculant, supernatant enters in coagulating basin, and after coagulating, gravity flow enters final deposition pool, and bottom is dirty Mud is drained in sludge-tank；
(3) by the supernatant discharge after precipitation in final deposition pool, base sludge is drained in sludge-tank；
(4) mud in above-mentioned sludge-tank is sequentially added into photocatalyst, extractant, exciting agent, alkaline curing agent and Heavy metals immobilization agent, after being uniformly mixed, is processed into the granule of a diameter of 10-30cm, wherein, mud, photocatalyst, extraction The mass ratio of agent, exciting agent, alkaline curing agent and heavy metals immobilization agent is 100:0.2:1.2:0.06:0.09:0.01；
(5) putting at 100-450 DEG C in microwave oven by the mud granule that step (4) prepares, power bracket is 100-7000W Under, carry out the waste gas produced during microwave and photo catalysis processes 4min, and recycling.
Embodiment 4
The high-efficient treatment method of one way of life sewage, comprises the following steps:
(1) pumping in oxidization and sedimentation basin by sanitary sewage, adding mass concentration is the hydrogenperoxide steam generator of 30%, stirring After Jun Yun, standing and reacting 1.4h, then the sanitary sewage after oxidation processes adds flocculant, after stirring, it is heavy to stand Fall, is pumped into supernatant in anaerobic-aerobic reactor, is drained in sludge-tank by base sludge；
(2) anaerobic-aerobic reactor being called in anaerobic state, and add kieselguhr, standing processes 15min, then to detesting Oxygen aerobic reactor is passed through air, stirs simultaneously, be processed as 20min, then sanitary sewage is pumped in Sedimentation tank, add Staticly settling 40min after entering flocculant, supernatant enters in coagulating basin, and after coagulating, gravity flow enters final deposition pool, base sludge It is drained in sludge-tank；
(3) by the supernatant discharge after precipitation in final deposition pool, base sludge is drained in sludge-tank；
(4) mud in above-mentioned sludge-tank is sequentially added into photocatalyst, extractant, exciting agent, alkaline curing agent and Heavy metals immobilization agent, after being uniformly mixed, is processed into the granule of a diameter of 10-30cm, wherein, mud, photocatalyst, extraction The mass ratio of agent, exciting agent, alkaline curing agent and heavy metals immobilization agent is 100:0.4:1.4:0.07:0.1:0.03；
(5) putting at 100-450 DEG C in microwave oven by the mud granule that step (4) prepares, power bracket is 100-7000W Under, carry out the waste gas produced during microwave and photo catalysis processes 6min, and recycling.
Embodiment 5
The high-efficient treatment method of one way of life sewage, comprises the following steps:
(1) pumping in oxidization and sedimentation basin by sanitary sewage, adding mass concentration is the hydrogenperoxide steam generator of 30%, stirring After Jun Yun, standing and reacting 1.6h, then the sanitary sewage after oxidation processes adds flocculant, after stirring, it is heavy to stand Fall, is pumped into supernatant in anaerobic-aerobic reactor, is drained in sludge-tank by base sludge；
(2) anaerobic-aerobic reactor being called in anaerobic state, and add clay, standing processes 20min, then to anaerobism Aerobic reactor is passed through air, stirs simultaneously, be processed as 15min, then sanitary sewage is pumped in Sedimentation tank, add Staticly settling 45min after flocculant, supernatant enters in coagulating basin, and after coagulating, gravity flow enters final deposition pool, and base sludge is arranged Enter in sludge-tank；
(3) by the supernatant discharge after precipitation in final deposition pool, base sludge is drained in sludge-tank；
(4) mud in above-mentioned sludge-tank is sequentially added into photocatalyst, extractant, exciting agent, alkaline curing agent and Heavy metals immobilization agent, after being uniformly mixed, is processed into the granule of a diameter of 10-30cm, wherein, mud, photocatalyst, extraction The mass ratio of agent, exciting agent, alkaline curing agent and heavy metals immobilization agent is 100:0.5:1.6:0.08:0.1:0.06；
(5) putting at 100-450 DEG C in microwave oven by the mud granule that step (4) prepares, power bracket is 100-7000W Under, carry out the waste gas produced during microwave and photo catalysis processes 8min, and recycling.
Embodiment 6
The high-efficient treatment method of one way of life sewage, comprises the following steps:
(1) pumping in oxidization and sedimentation basin by sanitary sewage, adding mass concentration is the hydrogenperoxide steam generator of 35%, stirring After Jun Yun, standing and reacting 1.8h, then the sanitary sewage after oxidation processes adds flocculant, after stirring, it is heavy to stand Fall, is pumped into supernatant in anaerobic-aerobic reactor, is drained in sludge-tank by base sludge；
(2) anaerobic-aerobic reactor is called in anaerobic state, and adds attapulgite, standing process 15min, then to Anaerobic-aerobic reactor is passed through air, stirs simultaneously, be processed as 25min, then sanitary sewage is pumped in Sedimentation tank, Staticly settling 45min after adding flocculant, supernatant enters in coagulating basin, and after coagulating, gravity flow enters final deposition pool, and bottom is dirty Mud is drained in sludge-tank；
(3) by the supernatant discharge after precipitation in final deposition pool, base sludge is drained in sludge-tank；
(4) mud in above-mentioned sludge-tank is sequentially added into photocatalyst, extractant, exciting agent, alkaline curing agent and Heavy metals immobilization agent, after being uniformly mixed, is processed into the granule of a diameter of 10-30cm, wherein, mud, photocatalyst, extraction The mass ratio of agent, exciting agent, alkaline curing agent and heavy metals immobilization agent is 100:0.75:1.8:0.09:0.11:0.09；
(5) putting at 100-450 DEG C in microwave oven by the mud granule that step (4) prepares, power bracket is 100-7000W Under, carry out the waste gas produced during microwave and photo catalysis processes 9min, and recycling.

Claims (10)

1. the high-efficient treatment method of one way of life sewage, it is characterised in that comprise the following steps:
(1) sanitary sewage is pumped in oxidization and sedimentation basin, adds hydrogenperoxide steam generator, after stirring, standing and reacting 1-2h, Then sanitary sewage after oxidation processes adds flocculant, after stirring, standing sedimentation, supernatant is pumped into anaerobism In aerobic reactor, base sludge is drained in sludge-tank；
(2) anaerobic-aerobic reactor being called in anaerobic state, and add the biological microcarrier with adsorption function, standing processes 10-20min, is then passed through air in anaerobic-aerobic reactor, stirs simultaneously, be processed as 10-30min, then will life Sewage is pumped in Sedimentation tank, staticly settles 30-50min after adding flocculant, and supernatant enters in coagulating basin, after coagulating Gravity flow enters final deposition pool, and base sludge is drained in sludge-tank；
(3) by the supernatant discharge after precipitation in final deposition pool, base sludge is drained in sludge-tank；
(4) mud in above-mentioned sludge-tank is sequentially added into photocatalyst, extractant, exciting agent, alkaline curing agent and a huge sum of money Belong to firming agent, after being uniformly mixed, be processed into the granule of a diameter of 10-30cm；
(5) mud granule that step (4) prepares is put into and carried out microwave and photo catalysis process in microwave oven, and during recycling The waste gas produced.
2. the high-efficient treatment method of one way of life sewage as claimed in claim 1, it is characterised in that: in step (1), described mistake The mass concentration of hydrogen peroxide solution is 20-40%.
3. the high-efficient treatment method of one way of life sewage as claimed in claim 1, it is characterised in that: in step (1), (2), institute Stating flocculant is any one in villaumite, iron salt, magnesium salt.
4. the high-efficient treatment method of one way of life sewage as claimed in claim 1, it is characterised in that: in step (2), described life Thing microcarrier is the one in kieselguhr, clay, attapulgite.
5. the high-efficient treatment method of one way of life sewage as claimed in claim 1, it is characterised in that: in step (4), described light Catalyst is the mixture of nano titanium oxide, nano zine oxide, and the two mass ratio is 1:(0.5-0.8).
6. the high-efficient treatment method of one way of life sewage as claimed in claim 1, it is characterised in that: in step (4), described extraction Taking agent is one or more mixing in dimethyl carbonate, 1,2-propylene glycol, ethyl acetate.
7. the high-efficient treatment method of one way of life sewage as claimed in claim 1, it is characterised in that: in step (4), described sharp Sending out the mixture that agent is magnesium chloride, sodium sulfate, the two mass ratio is (0.3-0.5): 1.
8. the high-efficient treatment method of one way of life sewage as claimed in claim 1, it is characterised in that: in step (4), described alkali Property firming agent is waterglass.
9. the high-efficient treatment method of one way of life sewage as claimed in claim 1, it is characterised in that: in step (4), described micro- Ripple temperature range is 100-450 DEG C, and power bracket is 100-7000W.
10. the high-efficient treatment method of one way of life sewage as claimed in claim 1, it is characterised in that: in step (4), described The mass ratio of mud, photocatalyst, extractant, exciting agent, alkaline curing agent and heavy metals immobilization agent is 100:(0.15-0.8): (1-2): (0.05-0.1): (0.08-0.12): (0.005-0.1).
CN201610634161.5A 2016-08-04 2016-08-04 A kind of high-efficient treatment method of sanitary sewage Active CN106186530B (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1603244A (en) * 2004-10-26 2005-04-06 哈尔滨工业大学 Preparation method of sludge adsorbent and method for intensified processing domestic sewage using the same
CN104261632A (en) * 2014-10-16 2015-01-07 滁州友林科技发展有限公司 Method for domestic sewage treatment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1603244A (en) * 2004-10-26 2005-04-06 哈尔滨工业大学 Preparation method of sludge adsorbent and method for intensified processing domestic sewage using the same
CN104261632A (en) * 2014-10-16 2015-01-07 滁州友林科技发展有限公司 Method for domestic sewage treatment

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