CN109179693A - A kind of sewage-treating agent and preparation method thereof - Google Patents
A kind of sewage-treating agent and preparation method thereof Download PDFInfo
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- CN109179693A CN109179693A CN201811289737.4A CN201811289737A CN109179693A CN 109179693 A CN109179693 A CN 109179693A CN 201811289737 A CN201811289737 A CN 201811289737A CN 109179693 A CN109179693 A CN 109179693A
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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
- 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
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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
- 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
- C02F3/347—Use of yeasts or fungi
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mycology (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The present invention provides a kind of sewage-treating agent and preparation method thereof, belong to technical field of sewage, the sewage-treating agent is made of the following raw material: polyacrylamide, citric acid, cornstarch, coke ground-slag, active carbon, sodium alginate, lactic acid bacteria, actinomyces, saccharomycete, bifidocaterium, photosynthetic bacteria, bacillus and indigenous bacterium, sewage-treating agent of the invention, reaction speed is fast, reaction process is generated without noxious material, realize ecology, the recycling treatment of sewage treatment, it no longer needs to set sludge treating system, without secondary pollution, treatment effect is stablized.
Description
Technical field
The present invention relates to technical field of sewage, and in particular to a kind of sewage-treating agent and preparation method thereof.
Background technique
With the continuous development of society, the usage amount of water resource is consequently increased, and on the earth only less than 1% fresh water
And wherein only about 0.007% water can directly be utilized by the mankind, therefore, saving water resource and recycling water resource becomes people
Focus of attention, in the recycling of water resource, sewage treatment is the most important thing.Sanitary sewage is that specific gravity is got in present society
Carry out a kind of bigger sewage, very big influence, nitrogen, phosphorus, grease in sanitary sewage are produced to natural environment and human lives
Content is higher, traditional physical method and chemical agent, often expends a large amount of manpower and material resources, effect is also less obvious, largely
The use of chemical agent can also cause environmental damage.
Summary of the invention
Goal of the invention of the invention is, in view of the above-mentioned problems, it is high-efficient to provide a kind of decontamination, at sewage without secondary pollution
Manage agent and preparation method thereof.
In order to achieve the above objectives, the technical scheme adopted by the invention is that: a kind of sewage-treating agent, the sewage-treating agent
Be made of the following raw material: polyacrylamide, cornstarch, coke ground-slag, active carbon, sodium alginate, lactic acid bacteria, is put citric acid
Line bacterium, saccharomycete, bifidocaterium, photosynthetic bacteria, bacillus and indigenous bacterium.
Preferably, the sewage-treating agent is composed of the following raw materials in parts by weight: 20-50 parts of polyacrylamide, citric acid
10-20 parts, 10-20 parts of cornstarch, 5-15 parts of coke ground-slag, 5-10 parts of active carbon, 20-30 parts of sodium alginate, lactic acid bacteria 5-
10 parts, 5-10 parts of actinomyces, 6-12 parts of saccharomycete, 6-15 parts of bifidocaterium, 5-15 parts of photosynthetic bacteria, 5-10 parts of bacillus and soil
Write bacterium 5-15 parts.
Preferably, the sewage-treating agent is composed of the following raw materials in parts by weight: 25-40 parts of polyacrylamide, citric acid
12-18 parts, 12-18 parts of cornstarch, 8-12 parts of coke ground-slag, 6-10 parts of active carbon, 22-28 parts of sodium alginate, lactic acid bacteria 6-
10 parts, 6-10 parts of actinomyces, 6-12 parts of saccharomycete, 6-12 parts of bifidocaterium, 6-12 parts of photosynthetic bacteria, 5-8 parts of bacillus and soil
Write bacterium 5-12 parts.
Preferably, the sewage-treating agent is composed of the following raw materials in parts by weight: 30-40 parts of polyacrylamide, citric acid
12-15 parts, 12-15 parts of cornstarch, 8-10 parts of coke ground-slag, 6-8 parts of active carbon, 25-28 parts of sodium alginate, lactic acid bacteria 6-8
Part, 6-10 parts of actinomyces, 6-10 parts of saccharomycete, 6-10 parts of bifidocaterium, 8-12 parts of photosynthetic bacteria, 6-8 parts of bacillus and original inhabitants
6-10 parts of bacterium.
Preferably, the sewage-treating agent is composed of the following raw materials in parts by weight: 35 parts of polyacrylamide, citric acid 15
Part, 15 parts of cornstarch, 10 parts of coke ground-slag, 8 parts of active carbon, 25 parts of sodium alginate, 7 parts of lactic acid bacteria, 8 parts of actinomyces, yeast
8 parts of bacterium, 8 parts of bifidocaterium, 10 parts of photosynthetic bacteria, 8 parts of bacillus and indigenous 10 parts of bacterium.
Preferably, the sewage-treating agent preparation method the following steps are included:
(1) strain of lactic acid bacteria, actinomyces, saccharomycete, bifidocaterium, photosynthetic bacteria, bacillus and indigenous bacterium is distinguished
It activated, expand culture；
(2) each strain of above-mentioned activation, expansion culture is inoculated into mixed bacteria culture medium and cultivates 48-96h, answered
Combined bacteria liquid；
(3) composite bacteria liquid is centrifugally separating to obtain complex microorganism；
(4) by step (3) resulting complex microorganism and polyacrylamide, citric acid, cornstarch, coke ground-slag, work
Property charcoal and sodium alginate are mixed to get the sewage-treating agent.
Due to the adoption of the above technical scheme, the invention has the following advantages: the raw material details in the present invention such as
Under:
Polyacrylamide: the molecule of the product can build bridge with the suspended particles being scattered in solution and adsorb, and have extremely strong
Flocculation.
Citric acid: citric acid-sodium citrate buffer is since its steam forces down, nontoxic, chemical property is stable, to SO2
Absorptivity is high.
Active carbon: active carbon is a kind of very tiny carbon granule, there is very big surface area, and there are also more tiny in carbon granule
Hole-capillary.This capillary has very strong adsorption capacity, since the surface area of carbon granule is very big, so can be abundant with impurity
Contact, encounters capillary when these impurity and is adsorbed, aseptic.
Sodium alginate: sodium alginate, which encounters calcium ion, can occur rapidly ion exchange, generate gel, sodium alginate and calcium from
The gel that son is formed has heat irreversible, and gelling performance is not affected by temperature.
The present invention integrates polyacrylamide, citric acid, cornstarch, coke ground-slag, work using biological bacteria fermentation technique again
Property charcoal and sodium alginate made from sewage-treating agent, reaction speed is fast, reaction process without noxious material generate, realize sewage treatment
Ecology, recycling treatment, no longer need to set sludge treating system, without secondary pollution, wastewater suspended substance removal rate reaches
99.9%, BOD removal rate are that 99%, COD removal rate is 99.1%, and treatment effect is stablized.
Specific embodiment
Present invention will be further explained below with reference to specific examples, it should be understood that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Embodiment 1
A kind of sewage-treating agent is composed of the following raw materials in parts by weight: 20 parts of polyacrylamide, 10 parts of citric acid, corn form sediment
10 parts of powder, 5 parts of coke ground-slag, 5 parts of active carbon, 20 parts of sodium alginate, 5 parts of lactic acid bacteria, 5 parts of actinomyces, 6 parts of saccharomycete, double qis
6 parts of bacterium, 5 parts of photosynthetic bacteria, 5 parts of bacillus and indigenous 5 parts of bacterium, preparation method includes the following steps:
(1) by 5 parts of lactic acid bacteria, 5 parts of actinomyces, 6 parts of saccharomycete, 6 parts of bifidocaterium, 5 parts of photosynthetic bacteria, 5 parts of bacillus
It activated respectively with 5 parts of strain of indigenous bacterium, expand culture；
(2) each strain of above-mentioned activation, expansion culture is inoculated into mixed bacteria culture medium and cultivates 48h, obtained compound
Bacterium solution；
(3) composite bacteria liquid is centrifugally separating to obtain complex microorganism；
(4) by 20 parts of step (3) resulting complex microorganism and polyacrylamide, 10 parts of citric acid, 10 parts of cornstarch,
5 parts of coke ground-slag, 5 parts of active carbon and 20 parts of sodium alginate are mixed to get sewage-treating agent.
Embodiment 2
A kind of sewage-treating agent is composed of the following raw materials in parts by weight: 35 parts of polyacrylamide, 15 parts of citric acid, corn form sediment
15 parts of powder, 10 parts of coke ground-slag, 8 parts of active carbon, 25 parts of sodium alginate, 7 parts of lactic acid bacteria, 8 parts of actinomyces, 8 parts of saccharomycete, double qis
8 parts of bacterium, 10 parts of photosynthetic bacteria, 8 parts of bacillus and indigenous 10 parts of bacterium, preparation method includes the following steps:
(1) by 7 parts of lactic acid bacteria, 8 parts of actinomyces, 8 parts of saccharomycete, 8 parts of bifidocaterium, 10 parts of photosynthetic bacteria, 8 parts of bacillus
It activated respectively with 10 parts of strain of indigenous bacterium, expand culture；
(2) each strain of above-mentioned activation, expansion culture is inoculated into mixed bacteria culture medium and cultivates 72h, obtained compound
Bacterium solution；
(3) composite bacteria liquid is centrifugally separating to obtain complex microorganism；
(4) by 35 parts of step (3) resulting complex microorganism and polyacrylamide, 15 parts of citric acid, 15 parts of cornstarch,
10 parts of coke ground-slag, 8 parts of active carbon and 25 parts of sodium alginate are mixed to get sewage-treating agent.
Embodiment 3
A kind of sewage-treating agent is composed of the following raw materials in parts by weight: 25 parts of polyacrylamide, 12 parts of citric acid, corn form sediment
12 parts of powder, 8 parts of coke ground-slag, 6 parts of active carbon, 22 parts of sodium alginate, 6 parts of lactic acid bacteria, 6 parts of actinomyces, 6 parts of saccharomycete, double qis
6 parts of bacterium, 6 parts of photosynthetic bacteria, 5 parts of bacillus and indigenous 5 parts of bacterium, preparation method includes the following steps:
(1) by 6 parts of lactic acid bacteria, 6 parts of actinomyces, 6 parts of saccharomycete, 6 parts of bifidocaterium, 6 parts of photosynthetic bacteria, 5 parts of bacillus
It activated respectively with 5 parts of strain of indigenous bacterium, expand culture；
(2) each strain of above-mentioned activation, expansion culture is inoculated into mixed bacteria culture medium and cultivates 96h, obtained compound
Bacterium solution；
(3) composite bacteria liquid is centrifugally separating to obtain complex microorganism；
(4) by 25 parts of step (3) resulting complex microorganism and polyacrylamide, 12 parts of citric acid, 12 parts of cornstarch,
8 parts of coke ground-slag, 6 parts of active carbon and 22 parts of sodium alginate are mixed to get sewage-treating agent.
Embodiment 4
A kind of sewage-treating agent is composed of the following raw materials in parts by weight: 40 parts of polyacrylamide, 18 parts of citric acid, corn form sediment
18 parts of powder, 12 parts of coke ground-slag, 10 parts of active carbon, 28 parts of sodium alginate, 10 parts of lactic acid bacteria, 10 parts of actinomyces, 12 parts of saccharomycete,
12 parts of bifidocaterium, 12 parts of photosynthetic bacteria, 8 parts of bacillus and indigenous 12 parts of bacterium, preparation method includes the following steps:
(1) by 10 parts of lactic acid bacteria, 10 parts of actinomyces, 12 parts of saccharomycete, 12 parts of bifidocaterium, 12 parts of photosynthetic bacteria, gemma bar
The strain of 8 parts of bacterium and indigenous 12 parts of bacterium is activated respectively, expands culture；
(2) each strain of above-mentioned activation, expansion culture is inoculated into mixed bacteria culture medium and cultivates 72h, obtained compound
Bacterium solution；
(3) composite bacteria liquid is centrifugally separating to obtain complex microorganism；
(4) by 40 parts of step (3) resulting complex microorganism and polyacrylamide, 18 parts of citric acid, 18 parts of cornstarch,
12 parts of coke ground-slag, 10 parts of active carbon, 28 parts of sodium alginate be mixed to get sewage-treating agent.
Embodiment 5
A kind of sewage-treating agent is composed of the following raw materials in parts by weight: 30 parts of polyacrylamide, 12 parts of citric acid, corn form sediment
12 parts of powder, 8 parts of coke ground-slag, 6 parts of active carbon, 25 parts of sodium alginate, 6 parts of lactic acid bacteria, 6 parts of actinomyces, 6 parts of saccharomycete, double qis
6 parts of bacterium, 8 parts of photosynthetic bacteria, 6 parts of bacillus and indigenous 6 parts of bacterium, preparation method includes the following steps:
(1) by 6 parts of lactic acid bacteria, 6 parts of actinomyces, 6 parts of saccharomycete, 6 parts of bifidocaterium, 8 parts of photosynthetic bacteria, 6 parts of bacillus
It activated respectively with 6 parts of strain of indigenous bacterium, expand culture；
(2) each strain of above-mentioned activation, expansion culture is inoculated into mixed bacteria culture medium and cultivates 72h, obtained compound
Bacterium solution；
(3) composite bacteria liquid is centrifugally separating to obtain complex microorganism；
(4) by 30 parts of step (3) resulting complex microorganism and polyacrylamide, 12 parts of citric acid, 12 parts of cornstarch,
8 parts of coke ground-slag, 6 parts of active carbon and 25 parts of sodium alginate are mixed to get sewage-treating agent.
Embodiment 6
A kind of sewage-treating agent is composed of the following raw materials in parts by weight: 40 parts of polyacrylamide, 15 parts of citric acid, corn form sediment
It is 15 parts of powder, 10 parts of coke ground-slag, 8 parts of active carbon, 28 parts of sodium alginate, 8 parts of lactic acid bacteria, 10 parts of actinomyces, 10 parts of saccharomycete, double
10 parts of qi bacterium, 12 parts of photosynthetic bacteria, 8 parts of bacillus and indigenous 10 parts of bacterium, preparation method includes the following steps:
(1) by 8 parts of lactic acid bacteria, 10 parts of actinomyces, 10 parts of saccharomycete, 10 parts of bifidocaterium, 12 parts of photosynthetic bacteria, bacillus
The strain of 8 parts and indigenous 10 parts of bacterium is activated respectively, expands culture；
(2) each strain of above-mentioned activation, expansion culture is inoculated into mixed bacteria culture medium and cultivates 72h, obtained compound
Bacterium solution；
(3) composite bacteria liquid is centrifugally separating to obtain complex microorganism；
(4) by 40 parts of step (3) resulting complex microorganism and polyacrylamide, 15 parts of citric acid, 15 parts of cornstarch,
10 parts of coke ground-slag, 8 parts of active carbon and 28 parts of sodium alginate are mixed to get sewage-treating agent.
Embodiment 7
A kind of sewage-treating agent is composed of the following raw materials in parts by weight: 50 parts of polyacrylamide, 20 parts of citric acid, corn form sediment
20 parts of powder, 15 parts of coke ground-slag, 10 parts of active carbon, 30 parts of sodium alginate, 10 parts of lactic acid bacteria, 10 parts of actinomyces, 12 parts of saccharomycete,
15 parts of bifidocaterium, 15 parts of photosynthetic bacteria, 10 parts of bacillus and indigenous 15 parts of bacterium, preparation method includes the following steps:
(1) by 10 parts of lactic acid bacteria, 10 parts of actinomyces, 12 parts of saccharomycete, 15 parts of bifidocaterium, 15 parts of photosynthetic bacteria, gemma bar
The strain of 10 parts of bacterium and indigenous 15 parts of bacterium is activated respectively, expands culture；
(2) each strain of above-mentioned activation, expansion culture is inoculated into mixed bacteria culture medium and cultivates 96h, obtained compound
Bacterium solution；
(3) composite bacteria liquid is centrifugally separating to obtain complex microorganism；
(4) by 50 parts of step (3) resulting complex microorganism and polyacrylamide, 20 parts of citric acid, 20 parts of cornstarch,
15 parts of coke ground-slag, 10 parts of active carbon and 30 parts of sodium alginate are mixed to get sewage-treating agent.
Comparative example 1
In addition to without containing polyacrylamide, formula and preparation process and embodiment 2 are unanimously.
Comparative example 2
In addition to without containing sodium alginate, formula and preparation process and embodiment 2 are unanimously.
Comparative example 3
In addition to without containing active carbon, formula and preparation process and embodiment 2 are unanimously.
Inorganic agent made from embodiment 1-7 and comparative example 1-3 is added to respectively in certain sanitary sewage station process flow
Cyclonic reactor entrance, the effect of wastewater suspended substance removal rate, BOD removal rate and COD removal rate after processing in sewage is such as
Shown in following table:
As seen from the above table, it is gone using wastewater suspended substance removal rate, BOD in inorganic agent provided by the invention treated sewage
Except rate and COD removal rate are 98% or more, most preferably embodiment 2, wastewater suspended substance removal rate are 99.9%, BOD to effect
Removal rate is 99% and COD removal rate is 99.1%, and comparative example 1-3 is compared with Example 2 compared with inorganic agent of the present invention can have
It is so efficiently because of each raw material and the synergistic effect using preparation process of the invention.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to
In the covered the scope of the patents of the present invention.
Claims (6)
1. a kind of sewage-treating agent, it is characterised in that: the sewage-treating agent is made of the following raw material: polyacrylamide, lemon
Acid, cornstarch, coke ground-slag, active carbon, sodium alginate, lactic acid bacteria, actinomyces, saccharomycete, bifidocaterium, photosynthetic bacteria, bud
Spore bacillus and indigenous bacterium.
2. a kind of sewage-treating agent according to claim 1, it is characterised in that: the sewage-treating agent is by following parts by weight
Raw material composition: 20-50 part of polyacrylamide, 10-20 parts of citric acid, 10-20 parts of cornstarch, 5-15 parts of coke ground-slag, work
Property 5-10 parts of charcoal, 20-30 parts of sodium alginate, 5-10 parts of lactic acid bacteria, 5-10 parts of actinomyces, 6-12 parts of saccharomycete, bifidocaterium 6-15
Part, 5-15 parts of photosynthetic bacteria, 5-10 parts of bacillus and indigenous 5-15 parts of bacterium.
3. a kind of sewage-treating agent according to claim 1, it is characterised in that: the sewage-treating agent is by following parts by weight
Raw material composition: 25-40 part of polyacrylamide, 12-18 parts of citric acid, 12-18 parts of cornstarch, 8-12 parts of coke ground-slag, work
Property 6-10 parts of charcoal, 22-28 parts of sodium alginate, 6-10 parts of lactic acid bacteria, 6-10 parts of actinomyces, 6-12 parts of saccharomycete, bifidocaterium 6-12
Part, 6-12 parts of photosynthetic bacteria, 5-8 parts of bacillus and indigenous 5-12 parts of bacterium.
4. a kind of sewage-treating agent according to claim 1, it is characterised in that: the sewage-treating agent is by following parts by weight
Raw material composition: 30-40 part of polyacrylamide, 12-15 parts of citric acid, 12-15 parts of cornstarch, 8-10 parts of coke ground-slag, work
6-8 parts of charcoal of property, 25-28 parts of sodium alginate, 6-8 parts of lactic acid bacteria, 6-10 parts of actinomyces, 6-10 parts of saccharomycete, 6-10 parts of bifidocaterium,
8-12 parts of photosynthetic bacteria, 6-8 parts of bacillus and indigenous 6-10 parts of bacterium.
5. a kind of sewage-treating agent according to claim 1, it is characterised in that: the sewage-treating agent is by following parts by weight
Raw material composition: 35 parts of polyacrylamide, 15 parts of citric acid, 15 parts of cornstarch, 10 parts of coke ground-slag, 8 parts of active carbon, seaweed
25 parts of sour sodium, 7 parts of lactic acid bacteria, 8 parts of actinomyces, 8 parts of saccharomycete, 8 parts of bifidocaterium, 10 parts of photosynthetic bacteria, 8 parts of bacillus and soil
Write 10 parts of bacterium.
6. a kind of sewage-treating agent according to claim 1, it is characterised in that: the preparation method packet of the sewage-treating agent
Include following steps:
(1) strain of lactic acid bacteria, actinomyces, saccharomycete, bifidocaterium, photosynthetic bacteria, bacillus and indigenous bacterium is carried out respectively
Activation expands culture；
(2) each strain of above-mentioned activation, expansion culture is inoculated into mixed bacteria culture medium and cultivates 48-96h, obtain compound bacteria
Liquid；
(3) composite bacteria liquid is centrifugally separating to obtain complex microorganism；
(4) by step (3) resulting complex microorganism and polyacrylamide, citric acid, cornstarch, coke ground-slag, active carbon
The sewage-treating agent is mixed to get with sodium alginate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811289737.4A CN109179693A (en) | 2018-10-31 | 2018-10-31 | A kind of sewage-treating agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811289737.4A CN109179693A (en) | 2018-10-31 | 2018-10-31 | A kind of sewage-treating agent and preparation method thereof |
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| CN109179693A true CN109179693A (en) | 2019-01-11 |
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| CN201811289737.4A Withdrawn CN109179693A (en) | 2018-10-31 | 2018-10-31 | A kind of sewage-treating agent and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110171853A (en) * | 2019-05-23 | 2019-08-27 | 长沙埃比林环保科技有限公司 | A kind of environmental protection treatment agent of sanitary wastewater |
| CN112374617A (en) * | 2020-10-26 | 2021-02-19 | 盐城工业职业技术学院 | Sewage treatment agent |
| CN112724427A (en) * | 2021-01-29 | 2021-04-30 | 西北师范大学 | Preparation of corn starch/sodium alginate/MXene composite hydrogel and application of composite hydrogel in seawater desalination |
| CN112795560A (en) * | 2020-12-24 | 2021-05-14 | 天津国瑞蓝天科技有限公司 | Biological agent for treating industrial wastewater and preparation method thereof |
-
2018
- 2018-10-31 CN CN201811289737.4A patent/CN109179693A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110171853A (en) * | 2019-05-23 | 2019-08-27 | 长沙埃比林环保科技有限公司 | A kind of environmental protection treatment agent of sanitary wastewater |
| CN112374617A (en) * | 2020-10-26 | 2021-02-19 | 盐城工业职业技术学院 | Sewage treatment agent |
| CN112795560A (en) * | 2020-12-24 | 2021-05-14 | 天津国瑞蓝天科技有限公司 | Biological agent for treating industrial wastewater and preparation method thereof |
| CN112724427A (en) * | 2021-01-29 | 2021-04-30 | 西北师范大学 | Preparation of corn starch/sodium alginate/MXene composite hydrogel and application of composite hydrogel in seawater desalination |
| CN112724427B (en) * | 2021-01-29 | 2022-09-13 | 西北师范大学 | Preparation of corn starch/sodium alginate/MXene composite hydrogel and application of composite hydrogel in seawater desalination |
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Application publication date: 20190111 |