CN105967441A - Sewage treatment system and method - Google Patents

Sewage treatment system and method Download PDF

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Publication number
CN105967441A
CN105967441A CN201610381035.3A CN201610381035A CN105967441A CN 105967441 A CN105967441 A CN 105967441A CN 201610381035 A CN201610381035 A CN 201610381035A CN 105967441 A CN105967441 A CN 105967441A
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CN
China
Prior art keywords
filtering ponds
activated carbon
sewage
water
pool
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CN201610381035.3A
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Chinese (zh)
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CN105967441B (en
Inventor
冯正远
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Chengdu Youyijia Environmental Protection Equipment Engineering Co Ltd
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Chengdu Youyijia Environmental Protection Equipment Engineering Co Ltd
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Priority to CN201610381035.3A priority Critical patent/CN105967441B/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/04Disinfection
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/28Anaerobic digestion processes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel

Abstract

The invention discloses a sewage treatment system. The sewage treatment system comprises a filtration tank, an anaerobic reaction tank, an activated carbon filtration tank, a sedimentation and disinfection tank and a biogas digester, each of which is of a closed structure, and the filtration tank, the anaerobic reaction tank, the activated carbon filtration tank, the sedimentation and disinfection tank and the biogas digester are connected in sequence. Degassing membrane vacuum pumps are arranged on a water delivery pipeline between a water outlet of the filtration tank and a water inlet of the anaerobic reaction tank, a water delivery pipeline between a water outlet of the anaerobic reaction tank and a water inlet of the activated carbon filtration tank and a water delivery pipeline between a water outlet of the activated carbon filtration tank and a water inlet of the sedimentation and disinfection tank. A circulation device is further connected between the filtration tank and the sedimentation and disinfection tank. The biogas digester is used for fermenting sewage generated in the treatment process to generate biogas. The invention further discloses a sewage treatment method.

Description

A kind of sewage disposal system and method
Technical field
The present invention relates to technical field of sewage, particularly a kind of sewage disposal system and method.
Background technology
Current existing sanitary sewage processes mainly by anaerobic tank, and not only treatment effect is undesirable, and the water after processing still can not directly discharge or recycle.Particularly rural area much local Sewage Treatment Facilities imperfections or at all do not have Sewage Treatment Facilities, sanitary sewage disposal is defective or does not process directly discharge, not only polluted river and farmland, more having a strong impact on life in the countryside environment, sewage directly discharges that to can not get effectively recycling also be the waste of water resource simultaneously.
Summary of the invention
Based on this, for the problems referred to above, it is necessary to propose a kind of sewage disposal system and method, the processing procedure of this sewage disposal system and method is the quickest, can highly process sewage, sewage can not only reach discharge standard after treatment, more can reach drinking water standard.
nullThe technical scheme is that a kind of sewage disposal system,Including filtering ponds、Anaerobic reation pool、Activated carbon filtering ponds and precipitation sterilization pool,Described filtering ponds、Anaerobic reation pool、Activated carbon filtering ponds and precipitation sterilization pool are enclosed construction,The top of described filtering ponds is provided with sewage inlet,The first filter screen it is provided with in described filtering ponds,Outlet bottom described filtering ponds is connected to the water inlet at described anaerobic reation pool top by aqueduct,The first anaerobic reaction room and the second anaerobic reaction room it is disposed with from top to bottom in described anaerobic reation pool,The bottom of described first anaerobic reaction room and the second anaerobic reaction room is respectively arranged with the second filter screen and the 3rd filter screen,Outlet bottom described anaerobic reation pool is connected to the water inlet at described activated carbon filtering ponds top by aqueduct,It is provided with single permeable membrane in described activated carbon filtering ponds,The water inlet of described activated carbon filtering ponds is positioned at the lower section of described single permeable membrane,It is provided with airduct in described activated carbon filtering ponds,The air intake vent of described airduct connects outer fan by device for deoxidizing,The air outlet of described airduct is arranged at the bottom of described activated carbon filtering ponds,The top of described activated carbon filtering ponds is provided with air vent,And described air vent is positioned at the top of described single permeable membrane,Outlet bottom described activated carbon filtering ponds is connected to the water inlet at described precipitation sterilization pool top by aqueduct,It is provided with division board in described precipitation sterilization pool,Described division board is divided into mud chamber and sterilization chamber by about described precipitation sterilization pool,Space is there is in described division board with the top of described precipitation sterilization pool,The bottom of described sterilization chamber is provided with water purification outlet,Described filtering ponds、Anaerobic reation pool、It is provided with degassing film vacuum pump on aqueduct between activated carbon filtering ponds and precipitation sterilization pool.
Sewage can tentatively remove the large granular impurity in water through filtering ponds, the Organic substance in water and microorganism is removed again after the dual anaerobic technique in anaerobic reation pool processes, it is then passed through the fine adsorption filtration of activated carbon filtering ponds, water carries out heavy metal, dechlorination and liquid decoloration etc. in deodorization, removal water process, blower fan is inflated by airduct after device for deoxidizing, make activated carbon can flow in water, it is greatly reinforced the adsorption effect of activated carbon, water after eventually passing precipitation and disinfecting can not only reach discharge standard, more can reach drinking water standard.
Preferably, described single permeable membrane is PTFE air-filtering membrane, and membrane aperture is that between 0.2 μm-15 μm, voidage is 85%.This list permeable membrane can allow gas by and water cannot be allowed to pass through, prevent the water air vent from the top of activated carbon filtering ponds from discharging.
Preferably, being provided with circulating device between described filtering ponds and precipitation sterilization pool, the water inlet of described circulating device is arranged at bottom the mud chamber in described precipitation sterilization pool, and the outlet of described circulating device is arranged at the top of described filtering ponds.
Water after mud chamber's bottom precipitation is pumped to filtering ponds together with precipitate and carries out after-treatment by circulating device, reaches the purpose highly processed.
Preferably, this sewage disposal system also includes methane-generating pit, described first filter screen, the second filter screen and the 3rd filter screen are all in funnel-form, the bottom of described first filter screen, the second filter screen and the 3rd filter screen is all connected with the first sludge pump mud inlet, the mud mouth of described first sludge pump is connected in described methane-generating pit, and the residue floss hole of described methane-generating pit connects the second sludge pump.
Sewage usually contains a large amount of mud, these mud do not contain only large amount of organic, possibly together with microorganism, these materials directly discharge also can be to environment, this sewage disposal system carries out fermentation process by methane-generating pit to mud, the biogas energy of cleaning can not only be generated, be more suitable for after also making mud organics removal and microorganism processing, as made fragment of brick.
A kind of such as the sewage water treatment method of described sewage disposal system, comprise the following steps:
A, by the sewage collected feeding filtering ponds tentatively filter;
B, by step a process after sewage send into anaerobic reation pool the first anaerobic reaction chamber clean Organic substance, cleaning terminate after again sewage is sent into anaerobic reation pool second anaerobic reaction room continue cleaning Organic substance;
C, step b is processed after sewage send into activated carbon filtering ponds, sewage is carried out deodorization, removes heavy metal in water, dechlorination and liquid decoloration and process;
D, by step c process after water first send into precipitation sterilization pool in mud chamber precipitation, when water level rise after by division board with precipitation sterilization pool top space flow into precipitation sterilization pool in sterilization chamber, by sterilization chamber water sterilization process after output for.
Sewage can tentatively remove the large granular impurity in water through filtering ponds, the Organic substance in water and microorganism is removed again after the dual anaerobic technique in anaerobic reation pool processes, it is then passed through the fine adsorption filtration of activated carbon filtering ponds, water carries out heavy metal, dechlorination and liquid decoloration etc. in deodorization, removal water process, water after eventually passing precipitation and disinfecting can not only reach discharge standard, more can reach drinking water standard.
Preferably, the method is further comprising the steps of:
Send into filtering ponds recirculation by circulating device after water bottom sedimentation tank in step d and precipitate being extracted to filter.
Water after mud chamber's bottom precipitation is pumped to filtering ponds together with precipitate and carries out after-treatment by circulating device, reaches the purpose highly processed.
Preferably, the method is further comprising the steps of:
The mud generated after step a and step b being processed is sent to methane-generating pit reaction, generates clean energy resource biogas.
Sewage usually contains a large amount of mud, these mud do not contain only large amount of organic, possibly together with microorganism, these materials directly discharge also can be to environment, this sewage disposal system carries out fermentation process by methane-generating pit to mud, the biogas energy of cleaning can not only be generated, be more suitable for after also making mud organics removal and microorganism processing, as made fragment of brick.
Preferably, the method is further comprising the steps of:
Arranging airduct in activated carbon filtering ponds, wind is blown into the bottom of activated carbon filtering ponds after device for deoxidizing by blower fan from airduct, makes activated carbon flow in pond.
Wind is blown into the bottom of activated carbon filtering ponds after device for deoxidizing by blower fan from airduct, makes activated carbon flow in pond, has been greatly reinforced the adsorption effect of activated carbon.
The invention has the beneficial effects as follows:
(1) simple in construction, processes the most quickly, can remove each pollutant in sewage, and the water after process can not only reach discharge standard, more can reach drinking water standard;
(2) technique adding circular treatment so that sewage disposal is more thorough, processes intensity higher;
(3) mud produced in processing procedure uses methane-generating pit fermentation, generates the biogas energy of cleaning, energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
nullReference: 100-filtering ponds,101-sewage inlet,The outlet of 102-circulating device,103-the first filter screen,200-anaerobic reation pool,201-the first anaerobic reaction room,202-the second anaerobic reaction room,203-the second filter screen,204-the 3rd filter screen,300-activated carbon filtering ponds,The mono-permeable membrane of 301-,302-airduct,303-air vent,400-precipitates sterilization pool,401-division board,402-mud chamber,403-sterilization chamber,404-water purification outlet,The water inlet of 405-circulating device,500-methane-generating pit,501-gas outlet,502-floss hole,601-the first sludge pump,602-the second sludge pump,700-degassing film vacuum pump,800-blower fan,801-device for deoxidizing,901-the first water pump,902-the second water pump.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the invention are described in detail.
Embodiment one
nullAs shown in Figure 1,A kind of sewage disposal system,Including filtering ponds 100、Anaerobic reation pool 200、Activated carbon filtering ponds 300 and precipitation sterilization pool 400,Described filtering ponds 100、Anaerobic reation pool 200、Activated carbon filtering ponds 300 and precipitation sterilization pool 400 are enclosed construction,The top of described filtering ponds 100 is provided with sewage inlet 101,The first filter screen 103 it is provided with in described filtering ponds 100,Outlet bottom described filtering ponds 100 is connected to the water inlet at described anaerobic reation pool 200 top by aqueduct,The first anaerobic reaction room 201 and the second anaerobic reaction room 202 it is disposed with from top to bottom in described anaerobic reation pool 200,The bottom of described first anaerobic reaction room 201 and the second anaerobic reaction room 202 is respectively arranged with the second filter screen 203 and the 3rd filter screen 204,Outlet bottom described anaerobic reation pool 200 is connected to the water inlet at described activated carbon filtering ponds 300 top by aqueduct,Single permeable membrane 301 it is provided with in described activated carbon filtering ponds 300,The water inlet of described activated carbon filtering ponds 300 is arranged at the lower section of described single permeable membrane 301,It is provided with airduct 302 in described activated carbon filtering ponds 300,The air intake vent of described airduct 302 connects outer fan 800 by device for deoxidizing 801,The air outlet of described airduct 302 is arranged at the bottom of described activated carbon filtering ponds 300,The top of described activated carbon filtering ponds 300 is provided with air vent 303,Enter mouth 303 described in and and be positioned at the top of described single permeable membrane 301,Outlet bottom described activated carbon filtering ponds 300 is connected to the water inlet at described precipitation sterilization pool 400 top by aqueduct,In described precipitation sterilization pool 400, division board 401 is set,Described precipitation sterilization pool about 400 is divided into mud chamber 402 and sterilization chamber 403 by described division board 401,Space is there is in described division board 401 with the top of described precipitation sterilization pool 400,The bottom of described sterilization chamber 400 is provided with water purification outlet 404,Water after purified treatment is exported by described water purification outlet 404 by the first water pump 901,Described filtering ponds 100、Anaerobic reation pool 200、It is provided with degassing film vacuum pump 700 on aqueduct between activated carbon filtering ponds 300 and precipitation sterilization pool 400.
Embodiment two
The present embodiment is on the basis of embodiment one, and described single permeable membrane 301 uses PTFE air-filtering membrane, and membrane aperture is between 0.2-15 μm, and voidage is 85%.
Embodiment three
The present embodiment is on the basis of embodiment one or embodiment two, it is also associated with circulating device between described filtering ponds 100 and precipitation sterilization pool 400, described circulating device is made up of aqueduct and the second water pump 902, the water inlet 405 of described circulating device is arranged at the bottom of described mud chamber 402, and the outlet 102 of described circulating device is arranged at the top of described filtering ponds 100.
Embodiment four
The present embodiment is on the basis of embodiment one or embodiment two or embodiment three, described sewage disposal system also includes methane-generating pit 500, described first filter screen 103, second filter screen 203 and the 3rd filter screen 204 are all in funnel-form, described first filter screen 103, the bottom of the second filter screen 203 and the 3rd filter screen 204 is all connected by pipeline the first sludge pump 601, described first sludge pump 601 is transported in described methane-generating pit 500 after being extracted by mud, the top of described methane-generating pit 500 is provided with gas outlet 501, the bottom of described methane-generating pit 500 is provided with residue floss hole 502, described residue floss hole 502 connects the second sludge pump 602 by pipeline, described second sludge pump 602 extracts reacted for methane-generating pit residue out discharge.
Embodiment five
The sewage water treatment method of sewage disposal system as described in embodiment one to embodiment four, comprises the following steps:
A, by the sewage collected feeding filtering ponds tentatively filter;
B, by step a process after sewage send into anaerobic reation pool the first anaerobic reaction chamber clean Organic substance, cleaning terminate after again sewage is sent into anaerobic reation pool second anaerobic reaction room continue cleaning Organic substance;
C, step b is processed after sewage send into activated carbon filtering ponds, sewage is carried out deodorization, removes heavy metal in water, dechlorination and liquid decoloration and process;
D, by step c process after water first send into precipitation sterilization pool in mud chamber precipitation, when water level rise after by division board with precipitation sterilization pool top space flow into precipitation sterilization pool in sterilization chamber, by sterilization chamber water sterilization process after output for.
Embodiment six
On the basis of embodiment five, the method is further comprising the steps of:
Send into filtering ponds recirculation by circulating device after water bottom sedimentation tank in step d and precipitate being extracted to filter.
Embodiment seven
On the basis of embodiment five or embodiment six, the method is further comprising the steps of:
The mud generated after step a and step b being processed is sent to methane-generating pit reaction, generates clean energy resource biogas.
Embodiment eight
On the basis of embodiment five or embodiment six or embodiment seven, the method is further comprising the steps of:
Arranging airduct in activated carbon filtering ponds, wind is blown into the bottom of activated carbon filtering ponds after device for deoxidizing by blower fan from airduct, makes activated carbon flow in pond.
Embodiment described above only have expressed the detailed description of the invention of the present invention, and it describes more concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into protection scope of the present invention.

Claims (8)

  1. null1. a sewage disposal system,It is characterized in that,Including filtering ponds、Anaerobic reation pool、Activated carbon filtering ponds and precipitation sterilization pool,Described filtering ponds、Anaerobic reation pool、Activated carbon filtering ponds and precipitation sterilization pool are enclosed construction,The top of described filtering ponds is provided with sewage inlet,The first filter screen it is provided with in described filtering ponds,Outlet bottom described filtering ponds is connected to the water inlet at described anaerobic reation pool top by aqueduct,The first anaerobic reaction room and the second anaerobic reaction room it is disposed with from top to bottom in described anaerobic reation pool,The bottom of described first anaerobic reaction room and the second anaerobic reaction room is respectively arranged with the second filter screen and the 3rd filter screen,Outlet bottom described anaerobic reation pool is connected to the water inlet at described activated carbon filtering ponds top by aqueduct,It is provided with single permeable membrane in described activated carbon filtering ponds,The water inlet of described activated carbon filtering ponds is positioned at the lower section of described single permeable membrane,It is provided with airduct in described activated carbon filtering ponds,The air intake vent of described airduct connects outer fan by device for deoxidizing,The air outlet of described airduct is arranged at the bottom of described activated carbon filtering ponds,The top of described activated carbon filtering ponds is provided with air vent,And described air vent is positioned at the top of described single permeable membrane,Outlet bottom described activated carbon filtering ponds is connected to the water inlet at described precipitation sterilization pool top by aqueduct,It is provided with division board in described precipitation sterilization pool,Described division board is divided into mud chamber and sterilization chamber by about described precipitation sterilization pool,Space is there is in described division board with the top of described precipitation sterilization pool,The bottom of described sterilization chamber is provided with water purification outlet,Described filtering ponds、Anaerobic reation pool、It is provided with degassing film vacuum pump on aqueduct between activated carbon filtering ponds and precipitation sterilization pool.
  2. Sewage disposal system the most according to claim 1, it is characterised in that described single permeable membrane is PTFE air-filtering membrane, membrane aperture is that between 0.2 μm-15 μm, voidage is 85%.
  3. Sewage disposal system the most according to claim 1 and 2, it is characterized in that, it is provided with circulating device between described filtering ponds and precipitation sterilization pool, the water inlet of described circulating device is arranged at bottom the mud chamber in described precipitation sterilization pool, and the outlet of described circulating device is arranged at the top of described filtering ponds.
  4. Sewage disposal system the most according to claim 1 and 2, it is characterized in that, this sewage disposal system also includes methane-generating pit, described first filter screen, the second filter screen and the 3rd filter screen are all in funnel-form, the bottom of described first filter screen, the second filter screen and the 3rd filter screen is all connected with the first sludge pump mud inlet, the mud mouth of described first sludge pump is connected in described methane-generating pit, and the residue floss hole of described methane-generating pit connects the second sludge pump.
  5. 5. the sewage water treatment method of a sewage disposal system as described in claim 1-4, it is characterised in that comprise the following steps:
    A, by the sewage collected feeding filtering ponds tentatively filter;
    B, by step a process after sewage send into anaerobic reation pool the first anaerobic reaction chamber clean Organic substance, cleaning terminate after again sewage is sent into anaerobic reation pool second anaerobic reaction room continue cleaning Organic substance;
    C, step b is processed after sewage send into activated carbon filtering ponds, sewage is carried out deodorization, removes heavy metal in water, dechlorination and liquid decoloration and process;
    D, by step c process after water first send into precipitation sterilization pool in mud chamber precipitation, when water level rise after by division board with precipitation sterilization pool top space flow into precipitation sterilization pool in sterilization chamber, by sterilization chamber water sterilization process after output for.
  6. Sewage water treatment method the most according to claim 5, it is characterised in that further comprising the steps of:
    Send into filtering ponds recirculation by circulating device after water bottom sedimentation tank in step d and precipitate being extracted to filter.
  7. 7. according to the sewage water treatment method described in claim 5 or 6, it is characterised in that further comprising the steps of:
    The mud generated after step a and step b being processed is sent to methane-generating pit reaction, generates clean energy resource biogas.
  8. Sewage water treatment method the most according to claim 5, it is characterised in that further comprising the steps of:
    Arranging airduct in activated carbon filtering ponds, wind is blown into the bottom of activated carbon filtering ponds after device for deoxidizing by blower fan from airduct, makes activated carbon flow in pond.
CN201610381035.3A 2016-06-01 2016-06-01 A kind of sewage disposal system and method Active CN105967441B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107188376A (en) * 2017-07-12 2017-09-22 安徽博森互联网科技有限公司 A kind of Novel sewage processor
CN107265706A (en) * 2017-08-18 2017-10-20 马鞍山市顺达环保设备有限公司 A kind of buried sewage purification biogas facility

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0649819A1 (en) * 1993-10-22 1995-04-26 Howorka, Franz Process for purification of biologic waste waters
US6428691B1 (en) * 2000-11-06 2002-08-06 Charles Wofford Biological waste water treatment system
CN2647845Y (en) * 2003-10-20 2004-10-13 四川大学 Coking waste water disposal device
CN1673128A (en) * 2005-03-15 2005-09-28 嘉应学院 Domestic sewage deeply treating process
JP2013208563A (en) * 2012-03-30 2013-10-10 Kurita Water Ind Ltd Anaerobic treatment method for organic waste water
CN203728689U (en) * 2014-03-18 2014-07-23 马小杰 Sewage treatment device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0649819A1 (en) * 1993-10-22 1995-04-26 Howorka, Franz Process for purification of biologic waste waters
US6428691B1 (en) * 2000-11-06 2002-08-06 Charles Wofford Biological waste water treatment system
CN2647845Y (en) * 2003-10-20 2004-10-13 四川大学 Coking waste water disposal device
CN1673128A (en) * 2005-03-15 2005-09-28 嘉应学院 Domestic sewage deeply treating process
JP2013208563A (en) * 2012-03-30 2013-10-10 Kurita Water Ind Ltd Anaerobic treatment method for organic waste water
CN203728689U (en) * 2014-03-18 2014-07-23 马小杰 Sewage treatment device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107188376A (en) * 2017-07-12 2017-09-22 安徽博森互联网科技有限公司 A kind of Novel sewage processor
CN107265706A (en) * 2017-08-18 2017-10-20 马鞍山市顺达环保设备有限公司 A kind of buried sewage purification biogas facility

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