AU2021100520A4 - Biochemical combined sewage treatment method capable of obtaining phosphorus-enriched sludge - Google Patents
Biochemical combined sewage treatment method capable of obtaining phosphorus-enriched sludge Download PDFInfo
- Publication number
- AU2021100520A4 AU2021100520A4 AU2021100520A AU2021100520A AU2021100520A4 AU 2021100520 A4 AU2021100520 A4 AU 2021100520A4 AU 2021100520 A AU2021100520 A AU 2021100520A AU 2021100520 A AU2021100520 A AU 2021100520A AU 2021100520 A4 AU2021100520 A4 AU 2021100520A4
- Authority
- AU
- Australia
- Prior art keywords
- phosphorus
- sewage
- reactor
- fsbr
- sludge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
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
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
-
- 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
- C02F11/004—Sludge detoxification
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- 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
- C02F3/28—Anaerobic digestion processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
The present invention discloses a biochemical combined sewage treatment
method capable of obtaining phosphorus-enriched sludge. An adopted biochemical
combined sewage treatment system comprises an adjusting pond, a vertical flow type
Fenton reaction basin, an FSBR reactor and a biological filter. The adjusting pond and
the vertical flow type Fenton reaction basin communicate through a pipeline, the
vertical flow type Fenton reaction basin communicates to the biological filter and the
FSBR reactor through pipelines, separately, the bottom of the FSBR reactor
communicates to the bottom of the vertical flow type Fenton reaction basin through a
backflow pipe, a backflow controller is mounted on the backflow pipe for controlling
a backflow rate of sewage in the backflow pipe, and phosphorus phagocytic bacteria
are arranged in the FSBR reactor. By combining the vertical flow type Fenton
reaction basin, the SBR reactor and a biological filter process, finally, the method
removes organic phosphorus in the sewage effectively by complementing one another
and further can convert organic phosphorus into inorganic phosphorus to produce a
phosphorus fertilizer, so that not only is phosphorus pollution reduced, but also is a
sustainable phosphorus recovery path provided for alleviating a crisis of phosphorus
shortage.
Supernatant
liquid Biological Water reaching 2 filter the standard
4 3
Fig.1
Controlling
Supernatan
Industrial Adjusting water yield Fenton liquid FSB reactor
sewage pond reaction
Iron mud deposited
layer
Slow backflow\
4 /\7
Discharging Discharging
sludge Preparing Fe-P part of sludge Phosphorus
charcoal jt ! - fertilizer
\6
Fig. 1
1 /1
Description
Supernatant
liquid Biological Water reaching 2 filter the standard
4 3
Supernatan Industrial Adjusting Controlling water yield Fenton liquid FSB reactor sewage pond reaction Iron mud deposited layer
Slow backflow\ 4 /\7 Discharging Fig.1 Discharging sludge Preparing Fe-P part of sludge Phosphorus charcoal jt ! - fertilizer
\6
Fig. 1
1 /1
TECHNICAL FIELD The present invention relates to a sewage treatment method, in particular to a
biochemical combined sewage treatment method capable of obtaining phosphorus
enriched sludge.
Phosphorous removal for water is extremely urgent. Phosphorous is a restrictive
element that causes water eutrophication. In terms of causing water eutrophication,
the effect of phosphorus is much larger than that of nitrogen. The amplitude of
concentration of phosphorus in water is the critical factor to decide water
eutrophication. Eutrophication will affect the water quality of water and reduce the
transparency of water, so that sunlight penetrates a water layer difficultly, and
therefore, photosynthesis of plants in water is affected. Eutrophication is harmful to
aquatic animals and causes massive death of fishes. Meanwhile, as a result of water
eutrophication, a plenty of algae, for example, dominant species such as blue-green
algae and green alga grow on the surface of water to form a layer of green scum, so
that harmful gas generated by decomposing organic matters accumulated in a bottom
layer in an anaerobic condition and biotoxin generated by some planktons will hard
the fishes, too. Therefore, it is of great urgency to remove phosphorus in sewage
efficiently.
As a result of massive quantity of sludge, high disposal cost and low degree of
resource utilization, the volume of the sludge is increased by years, so that resource
utilization of phosphorus in the sewage can compensate for shortage of a phosphorus
resource effectively.
In addition, phosphorus is an important nutritional element, which is
irreplaceable to all creatures. With rapid development of economy and acceleration of
urbanization process, the quantity demanded of phosphorus as fertilizers and chemical
products is increased continuously. It is shown by researches that in accordance with
current recovery ratio, it is estimated that phosphates in minable geological phosphate
rocks will be exhausted within 20 years. As the sewage and wastewater contain a lot
of phosphorus, recovery of this phosphorus in a sewage treatment process can
compensate for shortage of the phosphorus resource effectively. Thus, development of
capturing and utilization techniques of phosphorus in sewage can alleviate phosphorus
pollution, and a sustainable phosphorus recovery path is provided for alleviating a
crisis of phosphorus shortage.
In order to solve the problems in the prior art, the present invention provides a
biochemical combined sewage treatment method capable of obtaining phosphorus
enriched sludge, which can remove organic phosphorus in sewage effectively and
further can convert organic phosphorus into inorganic phosphorus to produce a
phosphorus fertilizer, so that not only is phosphorus pollution reduced, but also is a
sustainable phosphorus recovery path provided for alleviating a crisis of phosphorus
shortage.
In order to achieve the purpose, the present invention adopts a technical field as
follows: a biochemical combined sewage treatment method capable of obtaining
phosphorus-enriched sludge, comprising the specific steps:
A, assembling an biochemical combined sewage treatment system which
comprises an adjusting pond, a vertical flow type Fenton reaction basin, an FSBR
reactor and a biological filter, the adjusting pond and the vertical flow type Fenton
reaction basin communicating through a pipeline, the vertical flow type Fenton
reaction basin communicating to the biological filter and the FSBR reactor through pipelines, separately, the bottom of the FSBR reactor communicating to the bottom of the vertical flow type Fenton reaction basin through a backflow pipe, and phosphorus phagocytic bacteria being arranged in the FSBR reactor;
B, feeding phosphorus-containing industrial sewage into the vertical flow type
Fenton reaction basin through the adjusting pond and controlling the water yield
through the adjusting pond, wherein high polymer organic matters in the industrial
sewage are degraded and phosphorus in the industrial sewage is removed for the first
time in the vertical flow type Fenton reaction basin by oxidation and precipitation
reactions and an iron mud deposited layer; the sewage treated in the vertical flow type
Fenton reaction basin flowing into the FSBR reactor through a pipeline, absorbing
organic phosphorus in the sewage aerobically by phosphorus phagocytic bacteria in
the FSBR reactor first, then anaerobically releasing inorganic phosphorus and forming
a microbial sludge layer in the FSBR reactor as well; settling and intercepting organic
phosphorus in backflow sewage in the sludge layer by the iron mud deposited layer in
a physically and chemically combined manner to form high phosphorus sludge; the
backflow sewage then flowing into the biological filter after secondary treatment in
the vertical flow type Fenton reaction basin, wherein the biological filter reduces
COD index of the sewage by a biofilm process and the sewage is discharged till the
sewage meets a needed standard, so that a purification treatment process of reducing
organic phosphorus in the industrial sewage is completed; and
C, after treating the industrial sewage for a period of time continuously in the
step B, stopping sewage treatment work first, taking out all sludge in the vertical flow
type Fenton reaction basin and part of sludge in the FSBR reactor, at the time,
continuing the sewage treatment work in the step B and placing the sludge that is
taken out in a charcoal preparation device for preparing charcoal, and finally,
producing the phosphorus fertilizer by means of a known method by taking the
prepared charcoal as a raw material.
Further, the FSBR reactor can be kept working normally continuously after the
sludge is taken out from the FSBR reactor.
Further, a backflow controller is mounted on the backflow pipe for controlling a
backflow rate of the sewage in the backflow pipe to prevent backflow sewage from
scattering an iron mud deposited layer so as to guarantee the phosphorus removal rate
of physical and chemical actions of the iron mud deposited layer to backflow
phosphorus -enriched sewage.
Compared with the prior art, the present invention has the benefits that
(1) by adopting the method, organic phosphorus in sewage can be converted into
inorganic phosphorus, so that a phosphorus fertilizer can be manufactured, and
meanwhile, the phosphorus content in the treated sewage is reduced to meet a needed
discharge standard, so that the problem that it is hard to treat sludge in China
effectively, and therefore, the sewage treatment cost is lowered greatly and an
environmental protection effect is achieved;
(2) by utilizing the backflow and the iron mud deposited layer effectively, an
extremely high phosphorus removal efficiency is achieved, far beyond that in the
conventional technique; and meanwhile, sludge containing inorganic phosphorus
generated in the treatment process is utilized effectively in the charcoal preparation
process and is made into the phosphorus fertilizer, so that wastes are turned into
wealth and the utilization ratio of resources is high; and
(3) by adopting the vertical flow type Fenton reaction basin and combing the
vertical flow type Fenton reaction basin with the FSBR reactor and the biological
filter, the process finally can remove organic phosphorus in sewage effectively by
complementing one another and further can convert organic phosphorus into
inorganic phosphorus to produce a phosphorus fertilizer, so that not only is
phosphorus pollution reduced, but also is a sustainable phosphorus recovery path
provided for alleviating a crisis of phosphorus shortage.
Fig. 1 is an integral structural schematic diagram of the present invention;
In the figure, 1, adjusting pond, 2, vertical flow type Fenton reaction basis, 3,
FSBR reactor, 4, iron mud deposited layer, 5, biological filter, 6, charcoal preparation
device, 7, backflow controller
Further description of the present invention will be made below.
As shown in the Fig. 1, the method comprises the specific steps:
A, a biochemical combined sewage treatment system is assembled: the
biochemical combined sewage treatment system includes the adjusting pond 1, the
vertical flow type Fenton reaction basin, the FSBR reactor 3 (membrane bioreator)
and the biological filter 4, the adjusting pond 1 and the vertical flow type Fenton
reaction basin 2 communicating through a pipeline, the vertical flow type Fenton
reaction basin 2 communicating to the biological filter 5 and the FSBR reactor 3
through pipelines, separately, the bottom of the FSBR reactor 3 communicating to the
bottom of the vertical flow type Fenton reaction basin 2 through a backflow pipe, and
phosphorus phagocytic bacteria being arranged in the FSBR reactor 3;
B, phosphorus-containing industrial sewage is fed into the vertical flow type
Fenton reaction basin through the adjusting pond and the water yield is controlled
through the adjusting pond, wherein high polymer organic matters in the industrial
sewage are degraded and phosphorus in the industrial sewage is removed for the first
time in the vertical flow type Fenton reaction basin by oxidation and precipitation
reactions and an iron mud deposited layer; the sewage treated in the vertical flow type
Fenton reaction basin flows into the FSBR reactor through a pipeline, organic
phosphorus in the sewage s absorbed aerobically by phosphorus phagocytic bacteria
in the FSBR reactor first, then is released anaerobically inorganic phosphorus and forms a microbial sludge layer in the FSBR reactor as well; organic phosphorus are settled and intercepted in backflow sewage in the sludge layer by the iron mud deposited layer in a physically and chemically combined manner to form high phosphorus sludge; the backflow sewage then flows into the biological filter after secondary treatment in the vertical flow type Fenton reaction basin, wherein the biological filter reduces COD index of the sewage by a biofilm process and the sewage is discharged till the sewage meets a needed standard, so that a purification treatment process of reducing organic phosphorus in the industrial sewage is completed; and
C, after the industrial sewage is treated for a period of time continuously in the
step B, sewage treatment work is stopped first, all sludge in the vertical flow type
Fenton reaction basin and part of sludge in the FSBR reactor are taken out, at the time,
the sewage treatment work in the step B is continued and the sludge that is taken out
is placed in a charcoal preparation device for preparing charcoal, and finally, the
phosphorus fertilizer is produced by means of a known method by taking the prepared
charcoal as a raw material.
Further, the FSBR reactor 3 can be kept working normally continuously after the
sludge is taken out from the FSBR reactor.
Further, the backflow controller 7 is mounted on the backflow pipe for
controlling a backflow rate of the sewage in the backflow pipe to prevent backflow
sewage from scattering an iron mud deposited layer so as to guarantee the phosphorus
removal rate of physical and chemical actions of the iron mud deposited layer to
backflow phosphorus-enriched sewage.
The adjusting pond 1, the vertical flow type Fenton reaction basin 2, the FSBR
reactor 3, the biological filter 5, the backflow controller 7 and the charcoal preparation
device 6 are existing equipment.
Claims (3)
1. A biochemical combined sewage treatment method capable of obtaining
phosphorus-enriched sludge, characterized by comprising the specific steps:
A, assembling an biochemical combined sewage treatment system which
comprises an adjusting pond, a vertical flow type Fenton reaction basin, an FSBR
reactor and a biological filter, the adjusting pond and the vertical flow type Fenton
reaction basin communicating through a pipeline, the vertical flow type Fenton
reaction basin communicating to the biological filter and the FSBR reactor through
pipelines, separately, the bottom of the FSBR reactor communicating to the bottom of
the vertical flow type Fenton reaction basin through a backflow pipe, and phosphorus
phagocytic bacteria being arranged in the FSBR reactor;
B, feeding phosphorus-containing industrial sewage into the vertical flow type
Fenton reaction basin through the adjusting pond and controlling the water yield
through the adjusting pond, wherein high polymer organic matters in the industrial
sewage are degraded and phosphorus in the industrial sewage is removed for the first
time in the vertical flow type Fenton reaction basin by oxidation and precipitation
reactions and an iron mud deposited layer; the sewage treated in the vertical flow type
Fenton reaction basin flowing into the FSBR reactor through a pipeline, absorbing
organic phosphorus in the sewage aerobically by phosphorus phagocytic bacteria in
the FSBR reactor first, then anaerobically releasing inorganic phosphorus and forming
a microbial sludge layer in the FSBR reactor as well; settling and intercepting organic
phosphorus in backflow sewage in the sludge layer by the iron mud deposited layer in
a physically and chemically combined manner to form high phosphorus sludge; the
backflow sewage then flowing into the biological filter after secondary treatment in
the vertical flow type Fenton reaction basin, wherein the biological filter reduces
COD index of the sewage by a biofilm process and the sewage is discharged till the
sewage meets a needed standard, so that a purification treatment process of reducing
organic phosphorus in the industrial sewage is completed; and
C, after treating the industrial sewage for a period of time continuously in the
step B, stopping sewage treatment work first, taking out all sludge in the vertical flow
type Fenton reaction basin and part of sludge in the FSBR reactor, at the time,
continuing the sewage treatment work in the step B and placing the sludge that is
taken out in a charcoal preparation device for preparing charcoal, and finally,
producing the phosphorus fertilizer by means of a known method by taking the
prepared charcoal as a raw material.
2. The biochemical combined sewage treatment method capable of obtaining
phosphorus-enriched sludge according to claim 1, characterized in that the FSBR
reactor can be kept working normally continuously after the sludge is taken out from
the FSBR reactor.
3. The biochemical combined sewage treatment method capable of obtaining
phosphorus-enriched sludge according to claim 1, characterized in that a backflow
controller is mounted on the backflow pipe for controlling a backflow rate of the
sewage in the backflow pipe.
Supernatant liquid Water reaching Biological filter the standard 2021100520
Controlling Supernatant Industrial Adjusting water yield Fenton liquid FSB reactor sewage pond reaction Iron mud deposited layer
Slow backflow
Discharging Discharging sludge Preparing Fe-P part of sludge Phosphorus charcoal fertilizer
Fig. 1
1/1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021100814546 | 2021-01-21 | ||
| CN202110081454.6A CN112830637B (en) | 2021-01-21 | 2021-01-21 | Biochemical combined sewage treatment method capable of obtaining phosphorus-rich sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2021100520A4 true AU2021100520A4 (en) | 2021-04-22 |
Family
ID=75502210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2021100520A Ceased AU2021100520A4 (en) | 2021-01-21 | 2021-01-27 | Biochemical combined sewage treatment method capable of obtaining phosphorus-enriched sludge |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112830637B (en) |
| AU (1) | AU2021100520A4 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116143090A (en) * | 2023-04-17 | 2023-05-23 | 陕西燎原净化设备有限公司 | Constant-pressure filtration treatment method and treatment device for phosphorus mud |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979750B (en) * | 2014-06-06 | 2015-07-15 | 瀚蓝环境股份有限公司 | Reactor for sewage treatment and phosphorus recovery and method for recovering phosphorus by using same |
| CN107352745A (en) * | 2017-08-11 | 2017-11-17 | 中机国际工程设计研究院有限责任公司 | Kitchen garbage fermentation waste water processing method |
| CN107473513B (en) * | 2017-09-04 | 2020-05-22 | 杭州宸祥环境工程有限公司 | Bamboo product wastewater Fenton treatment device and method |
| CN111377558A (en) * | 2020-03-17 | 2020-07-07 | 航天凯天环保科技股份有限公司 | Synchronous treatment of Fenton iron mud and FePO obtaining4Resource utilization method |
-
2021
- 2021-01-21 CN CN202110081454.6A patent/CN112830637B/en active Active
- 2021-01-27 AU AU2021100520A patent/AU2021100520A4/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116143090A (en) * | 2023-04-17 | 2023-05-23 | 陕西燎原净化设备有限公司 | Constant-pressure filtration treatment method and treatment device for phosphorus mud |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112830637A (en) | 2021-05-25 |
| CN112830637B (en) | 2022-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110451721B (en) | Carbon and nitrogen removal treatment device and method for leachate of waste incineration plant | |
| US4415450A (en) | Method for treating wastewater using microorganisms and vascular aquatic plants | |
| CN110697986B (en) | Bacteria-algae coupling sewage treatment device based on energy recycling and use method thereof | |
| CN201268652Y (en) | Integral sewage treating device | |
| CN102730914B (en) | Method for processing livestock breeding wastewater by using anoxic membrane bioreactor | |
| CN101698550A (en) | Advanced treating method of landfill leachate | |
| CN101798142B (en) | Method for rapidly culturing denitrifying granular sludge | |
| CN210736456U (en) | Treatment device for zero discharge of garbage leachate in garbage incineration power station | |
| CN204509049U (en) | Integration Combined sewage treatment system | |
| AU2021100520A4 (en) | Biochemical combined sewage treatment method capable of obtaining phosphorus-enriched sludge | |
| CN103951140B (en) | The low concentration wastewater treatment process of a kind of anaerobic built-in zero-valent iron reactor coupling artificial swamp | |
| CN105110562A (en) | Treatment method of farmland wastewater | |
| CN111362425B (en) | Method for treating acid mine wastewater by using micro-electrolysis-enhanced sulfate reducing bacteria and micro-electrolysis bioreactor | |
| CN102424509A (en) | Novel method for processing heavy metal in sludge through bioleaching | |
| Jassal et al. | Sustainable Waste Water Treatment: Opportunities and Challenges | |
| CN114634281B (en) | Device and method for restoring polluted underground water by combining excess sludge fermentation with permeable reaction wall | |
| CN104529059A (en) | Biological treatment method for phenol-containing oil-refining wastewater | |
| CN110713311A (en) | Process for denitrifying and desalting ultrahigh-concentration nitrogen-containing and salt-containing wastewater | |
| CN202164164U (en) | Sewage treatment device for removing high-concentration ammonia nitrogen | |
| CN210505835U (en) | System for utilize denitrification treatment resin regeneration waste liquid | |
| CN210127163U (en) | Rural ecological sewage treatment system is fused to triple effect | |
| CN107601780B (en) | A method of utilizing laser treatment ammonia nitrogen in sewage organic matter | |
| CN202499746U (en) | Aerobic reactor | |
| CN202148211U (en) | Treatment device of concentrated water generated by nano filtration and reverse osmosis membrane in garbage percolate treatment | |
| CN202430086U (en) | Device for synthesizing and treating landfill leachate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FGI | Letters patent sealed or granted (innovation patent) | ||
| MK22 | Patent ceased section 143a(d), or expired - non payment of renewal fee or expiry |