CN106745389A - A kind of dyeing and printing sewage treatment agent - Google Patents
A kind of dyeing and printing sewage treatment agent Download PDFInfo
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- CN106745389A CN106745389A CN201611222847.XA CN201611222847A CN106745389A CN 106745389 A CN106745389 A CN 106745389A CN 201611222847 A CN201611222847 A CN 201611222847A CN 106745389 A CN106745389 A CN 106745389A
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- diatom ooze
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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
- C02F1/00—Treatment of water, waste water, or sewage
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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
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
-
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/545—Silicon compounds
-
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of dyeing and printing sewage treatment agent, it is made up of according to weight portion following raw material：36 parts of 59 parts of highly basic, 20 34 parts of modified starch, 48 parts of ferrous sulfate, 0.5 3 parts of 10 17 part, nanometer concavo-convex rod soil of micarex, 12 21 parts of diatom ooze, 4 12 parts of flocculation aid, 0.5 2 parts of activated carbon, 36 parts of shitosan, 5 10 parts of alum, 8 20 parts of bentonite, 8 15 parts of sunflower straw and ferric trichloride.The present invention also disclosed the preparation method of the treatment agent.Each component compounding of the invention, play coordinative role, treatment colourity and concentration dyeing and printing sewage higher can not only be continued, cause that the pollution sewage after treatment reaches effect that is colourless, tasteless and reducing COD value simultaneously, water quality after treatment can be recycled, discharging standards are reached, there is no secondary pollution, wide market.
Description
Technical field
The present invention relates to a kind of sewage treatment drug, specifically a kind of dyeing and printing sewage treatment agent.
Background technology
Classify according to sewage source, sewage is divided into sanitary sewage and production waste.Production waste includes trade effluent, agricultural
Sewage and medical sewage.Trade effluent is the topmost part in production waste, with industrialized development, discharge
Trade effluent is more and more, and life of the trade effluent to environment and the mankind brings very big influence, if sewage is processed not in time,
The quality of air quality and water resource is not only directly affected, the physical and mental health of people can be also influenceed.
Dyeing industry is the important component of textile industry, and dyeing industry water consumption is big, and a large amount of dyeing and printing sewages are all produced daily.
The processing method of current existing dyeing and printing sewage mainly has bioanalysis, electrolysis, chemical method and photocatalytic method.Bioanalysis takes up an area face
Product is big, and use condition is harsh, and using effect is not satisfactory；Although electrolysis using effect is good, energy resource consumption is big, is processed into
This height, narrow application range；Photocatalytic method can cause that organic matter is converted completely, will not produce secondary pollution, but photocatalytic method
Effect for reducing COD and BOD does not reach the requirement of people.Chemical method is to carry out the most widely used method of sewage disposal,
I.e. to delivering chemical agent in dyeing and printing sewage.But existing chemicals treatment high cost, has secondary pollution, this is just people's
Using bringing inconvenience.
The content of the invention
It is an object of the invention to provide a kind of dyeing and printing sewage treatment agent, with asking for solving to propose in above-mentioned background technology
Topic.
To achieve the above object, the present invention provides following technical scheme：
A kind of dyeing and printing sewage treatment agent, is made up of following raw material according to weight portion：Highly basic 5-9 parts, modified starch 20-34
Part, ferrous sulfate 4-8 parts, micarex 10-17 parts, 0.5-3 parts of nanometer concavo-convex rod soil, diatom ooze 12-21 parts, flocculation aid 4-12
Part, activated carbon 0.5-2 parts, shitosan 3-6 parts, alum 5-10 parts, bentonite 8-20 parts, sunflower straw 8-15 parts and tri-chlorination
Iron 3-6 parts, modified starch is dissolved in the sodium hydroxide solution that mass fraction is 3-5% for starch, stirs 1-3 hours, then use
Deionized water is washed till neutrality, after settling and depressurizing suction filtration with ethanol, then is washed with deionized 2-3 times and Celsius in 45-55
It is vacuum dried under degree.
As further scheme of the invention：Nanometer concavo-convex rod soil is using methyl nanometer concavo-convex rod soil, ethyl nanometer convex-concave
One or several mixture of rod soil and methylol nanometer concavo-convex rod soil, modified starch is formed sediment using cornstarch, potato
One or several mixture of powder, Rhizoma Nelumbinis starch and rice starch, highly basic uses NaOH, potassium hydroxide and calcium hydroxide
One or several mixture.
As further scheme of the invention：Flocculation aid includes polyacrylamide, activated silicic acid and sodium alginate, polypropylene
The mass ratio of acid amides, activated silicic acid and sodium alginate is 4-6:2-3:1.
The preparation method of the dyeing and printing sewage treatment agent, comprises the following steps that：
Step one, sunflower straw is crushed and is fragmentated, and the deionized water of 3-5 times of weight is added in fragment and is stirred
Uniformly, then by solution boiled under 100-150 degrees Celsius 50-120 minutes, then carry out separation of solid and liquid, collect sunflower straw filtering
Liquid, gives over to standby；
Step 2, micarex, diatom ooze and bentonite are calcined 20-45 minutes and crushed under 820-950 degrees Celsius
Mica stone powder, diatom ooze powder and bentonite powder into 20-30 mesh, then by mica stone powder, diatom ooze powder and swelling
Native powder is individually positioned in 25-40 minutes in the hydrochloric acid of the hydrochloric acid of 0.5mol/L, 0.5mol/L sodium hydroxide solutions and 1mol/L,
It is washed with deionized water again to neutrality and is dried to obtain modified micaceous stone powder, modified diatom ooze powder and modified alta-mud powder
End；
Step 3, flocculation aid and modified starch are added stirring reaction 3-5 hours, mistake in the deionized water of 2-5 times of weight
Reacted product is filtered, product is clean using distilled water flushing and dries, standby；
Step 4, by ferrous sulfate, product, activated carbon, shitosan, alum, ferric trichloride, highly basic, modified micaceous stone flour
End, modified diatom ooze powder and modified alta-mud powder are added in deionized water, are entered in nitrogen protection atmosphere and 38-55 degrees Celsius
The stirring reaction of row 2-5 hours, is then warmed up to 70-90 degrees Celsius and adds nanometer concavo-convex rod soil and sunflower straw to filter
Liquid is stirred 1-3 hours, obtains mixture；
Step 5, dries, you can obtain finished product under mixture is placed on into 95-120 degrees Celsius.
Compared with prior art, the beneficial effects of the invention are as follows：Raw material sources of the present invention extensively, fit by preparation process is simple
For large-scale industrial production；Each component compounding of the invention, plays coordinative role, can not only continue treatment colourity
The dyeing and printing sewage higher with concentration, while so that the pollution sewage after treatment reaches effect that is colourless, tasteless and reducing COD value
Really, the water quality after treatment can be recycled, and reach discharging standards, not have secondary pollution, wide market.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Embodiment 1
A kind of dyeing and printing sewage treatment agent, is made up of following raw material according to weight portion：5 parts of highly basic, 20 parts of modified starch, sulphur
Sour ferrous 4 parts, 0.5 part of 10 part, nanometer concavo-convex rod soil of micarex, 12 parts of diatom ooze, 4 parts of flocculation aid, 0.5 part of activated carbon, shell gather
3 parts of 3 parts of sugar, 5 parts of alum, 8 parts of bentonite, 8 parts of sunflower straw and ferric trichloride, modified starch is dissolved in mass fraction for starch
In 3% sodium hydroxide solution, to stir 2 hours, then neutrality is washed till using deionized water, is settled with ethanol and decompression suction filtration
Afterwards, then 2 times are washed with deionized and are vacuum dried under 45 degrees Celsius.Nanometer concavo-convex rod soil is received using methyl
Rice concavo-convex rod soil, modified starch uses NaOH and hydroxide using cornstarch and the mixture of farina, highly basic
The mixture of calcium.
The preparation method of the dyeing and printing sewage treatment agent, comprises the following steps that：
Step one, sunflower straw is crushed and is fragmentated, and the deionized water of 3 times of weight is added in fragment and stirs equal
It is even, then solution is boiled 60 minutes under 100 degrees Celsius, then separation of solid and liquid is carried out, and sunflower straw filtered fluid is collected, give over to standby
With；
Step 2, micarex, diatom ooze and bentonite are calcined 25 minutes under 840 degrees Celsius and are ground into 20 purposes
Mica stone powder, diatom ooze powder and bentonite powder, then mica stone powder, diatom ooze powder and bentonite powder are put respectively
Put 25 minutes in the hydrochloric acid of the hydrochloric acid, 0.5mol/L sodium hydroxide solutions and 1mol/L of 0.5mol/L, then be washed with deionized water
To neutral and be dried to obtain modified micaceous stone powder, modified diatom ooze powder and modified alta-mud powder；
Step 3, by stirring reaction 3 hours in the deionized water of flocculation aid and modified starch 3 times of weight of addition, filtering is anti-
Product after answering, product is clean using distilled water flushing and dries, standby；
Step 4, by ferrous sulfate, product, activated carbon, shitosan, alum, ferric trichloride, highly basic, modified micaceous stone flour
End, modified diatom ooze powder and modified alta-mud powder are added in deionized water, and 3 are carried out in nitrogen protection atmosphere and 38 degrees Celsius
The stirring reaction of hour, is then warmed up to 70 degrees Celsius and adds nanometer concavo-convex rod soil and sunflower straw filtered fluid to stir
1.5 hours, obtain mixture；
Step 5, dries, you can obtain finished product under mixture is placed on into 95 degrees Celsius.
Embodiment 2
A kind of dyeing and printing sewage treatment agent, is made up of following raw material according to weight portion：7 parts of highly basic, 28 parts of modified starch, sulphur
Sour ferrous 6 parts, 2 parts of 14 part, nanometer concavo-convex rod soil of micarex, 19 parts of diatom ooze, 8 parts of flocculation aid, 1.5 parts of activated carbon, shitosan
5 parts of 4.5 parts, 7 parts of alum, 18 parts of bentonite, 13 parts of sunflower straw and ferric trichloride, modified starch are dissolved in quality point for starch
During number is for 4% sodium hydroxide solution, stir 1.5 hours, then neutrality is washed till using deionized water, settled with ethanol and decompression is taken out
After filter, then it is washed with deionized 3 times and is vacuum dried under 52 degrees Celsius.Flocculation aid includes polyacrylamide
Amine, activated silicic acid and sodium alginate, the mass ratio of polyacrylamide, activated silicic acid and sodium alginate is 5:3:1.
The preparation method of the dyeing and printing sewage treatment agent, comprises the following steps that：
Step one, sunflower straw is crushed and is fragmentated, and the deionized water of 5 times of weight is added in fragment and stirs equal
It is even, then solution is boiled 90 minutes under 125 degrees Celsius, then separation of solid and liquid is carried out, and sunflower straw filtered fluid is collected, give over to standby
With；
Step 2, micarex, diatom ooze and bentonite are calcined 35 minutes under 880 degrees Celsius and are ground into 27 purposes
Mica stone powder, diatom ooze powder and bentonite powder, then mica stone powder, diatom ooze powder and bentonite powder are put respectively
Put 32 minutes in the hydrochloric acid of the hydrochloric acid, 0.5mol/L sodium hydroxide solutions and 1mol/L of 0.5mol/L, then be washed with deionized water
To neutral and be dried to obtain modified micaceous stone powder, modified diatom ooze powder and modified alta-mud powder；
Step 3, by stirring reaction 3.5 hours, filtering in the deionized water of flocculation aid and modified starch 3 times of weight of addition
Reacted product, product is clean using distilled water flushing and dries, standby；
Step 4, by ferrous sulfate, product, activated carbon, shitosan, alum, ferric trichloride, highly basic, modified micaceous stone flour
End, modified diatom ooze powder and modified alta-mud powder are added in deionized water, and 3 are carried out in nitrogen protection atmosphere and 46 degrees Celsius
The stirring reaction of hour, is then warmed up to 80 degrees Celsius and adds nanometer concavo-convex rod soil and sunflower straw filtered fluid stirring 2
Hour, obtain mixture；
Step 5, dries, you can obtain finished product under mixture is placed on into 110 degrees Celsius.
Embodiment 3
A kind of dyeing and printing sewage treatment agent, is made up of following raw material according to weight portion：9 parts of highly basic, 32 parts of modified starch, sulphur
Sour ferrous 8 parts, 3 parts of 17 part, nanometer concavo-convex rod soil of micarex, 20 parts of diatom ooze, 11 parts of flocculation aid, 2 parts of activated carbon, shitosan 6
Part, 10 parts of alum, 20 parts of bentonite, 15 parts of sunflower straw and 6 parts of ferric trichloride, modified starch is dissolved in mass fraction for starch
In 5% sodium hydroxide solution, to stir 3 hours, then neutrality is washed till using deionized water, is settled with ethanol and decompression suction filtration
Afterwards, then 3 times are washed with deionized and are vacuum dried at 50 c.Nanometer concavo-convex rod soil is received using methyl
Rice concavo-convex rod soil, ethyl nanometer concavo-convex rod soil and methylol nanometer concavo-convex rod soil mixture, modified starch using cornstarch,
The mixture of farina, Rhizoma Nelumbinis starch and rice starch, highly basic uses the mixing of NaOH, potassium hydroxide and calcium hydroxide
Thing.Flocculation aid includes polyacrylamide, activated silicic acid and sodium alginate, the matter of polyacrylamide, activated silicic acid and sodium alginate
The ratio between amount is 6:3:1.
The preparation method of the dyeing and printing sewage treatment agent, comprises the following steps that：
Step one, sunflower straw is crushed and is fragmentated, and the deionized water of 5 times of weight is added in fragment and stirs equal
It is even, then solution is boiled 100 minutes under 140 degrees Celsius, then separation of solid and liquid is carried out, and sunflower straw filtered fluid is collected, give over to standby
With；
Step 2, micarex, diatom ooze and bentonite are calcined 40 minutes under 940 degrees Celsius and are ground into 30 purposes
Mica stone powder, diatom ooze powder and bentonite powder, then mica stone powder, diatom ooze powder and bentonite powder are put respectively
Put 40 minutes in the hydrochloric acid of the hydrochloric acid, 0.5mol/L sodium hydroxide solutions and 1mol/L of 0.5mol/L, then be washed with deionized water
To neutral and be dried to obtain modified micaceous stone powder, modified diatom ooze powder and modified alta-mud powder；
Step 3, by stirring reaction 5 hours in the deionized water of flocculation aid and modified starch 5 times of weight of addition, filtering is anti-
Product after answering, product is clean using distilled water flushing and dries, standby；
Step 4, by ferrous sulfate, product, activated carbon, shitosan, alum, ferric trichloride, highly basic, modified micaceous stone flour
End, modified diatom ooze powder and modified alta-mud powder are added in deionized water, and 5 are carried out in nitrogen protection atmosphere and 55 degrees Celsius
The stirring reaction of hour, is then warmed up to 85 degrees Celsius and adds nanometer concavo-convex rod soil and sunflower straw filtered fluid stirring 3
Hour, obtain mixture；
Step 5, mixture is placed and is dried at one hundred and twenty degrees centigrade, you can obtain finished product.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (4)
1. a kind of dyeing and printing sewage treatment agent, it is characterised in that be made up of according to weight portion following raw material：Highly basic 5-9 parts, it is modified
Starch 20-34 parts, ferrous sulfate 4-8 parts, micarex 10-17 parts, 0.5-3 parts of nanometer concavo-convex rod soil, diatom ooze 12-21 parts, help
Solidifying 4-12 parts, activated carbon 0.5-2 parts, shitosan 3-6 parts, alum 5-10 parts, bentonite 8-20 parts, sunflower straw 8-15 parts of agent
With ferric trichloride 3-6 parts, modified starch for starch be dissolved in mass fraction be 3-5% sodium hydroxide solution in, stirring 1-3 it is small
When, then neutrality is washed till using deionized water, with ethanol settle and decompression suction filtration after, then be washed with deionized 2-3 times and
It is vacuum dried under 45-55 degrees Celsius.
2. dyeing and printing sewage treatment agent according to claim 1, it is characterised in that the nanometer concavo-convex rod soil uses methyl
One or several mixture of nanometer concavo-convex rod soil, ethyl nanometer concavo-convex rod soil and methylol nanometer concavo-convex rod soil, is modified
Starch uses one or several mixture of cornstarch, farina, Rhizoma Nelumbinis starch and rice starch, highly basic to use hydrogen
One or several mixture of sodium oxide molybdena, potassium hydroxide and calcium hydroxide.
3. dyeing and printing sewage treatment agent according to claim 1 and 2, it is characterised in that the flocculation aid includes polypropylene
Acid amides, activated silicic acid and sodium alginate, the mass ratio of polyacrylamide, activated silicic acid and sodium alginate is 4-6:2-3:1.
4. a kind of preparation method of dyeing and printing sewage treatment agent as described in claim 1-3 is any, it is characterised in that specific step
It is rapid as follows：
Step one, sunflower straw is crushed and is fragmentated, and the deionized water of 3-5 times of weight is added in fragment and stirs equal
It is even, then solution is boiled 50-120 minutes under 100-150 degrees Celsius, then separation of solid and liquid is carried out, sunflower straw filtered fluid is collected,
Give over to standby；
Step 2, micarex, diatom ooze and bentonite are calcined 20-45 minutes under 820-950 degrees Celsius and are ground into 20-
The mica stone powder of 30 mesh, diatom ooze powder and bentonite powder, then by mica stone powder, diatom ooze powder and bentonite powder
It is individually positioned in 25-40 minutes in the hydrochloric acid of the hydrochloric acid of 0.5mol/L, 0.5mol/L sodium hydroxide solutions and 1mol/L, then spends
Ion is washed to neutral and is dried to obtain modified micaceous stone powder, be modified diatom ooze powder and modified alta-mud powder；
Step 3, flocculation aid and modified starch is added stirring reaction 3-5 hours in the deionized water of 2-5 times of weight, and filtering is anti-
Product after answering, product is clean using distilled water flushing and dries, standby；
Step 4, by ferrous sulfate, product, activated carbon, shitosan, alum, ferric trichloride, highly basic, modified micaceous stone powder, changes
Property diatom ooze powder and modified alta-mud powder add deionized water in, carry out 2-5 in nitrogen protection atmosphere and 38-55 degrees Celsius
The stirring reaction of hour, is then warmed up to 70-90 degrees Celsius and adds nanometer concavo-convex rod soil and sunflower straw filtered fluid to stir
Mix 1-3 hours, obtain mixture；
Step 5, dries, you can obtain finished product under mixture is placed on into 95-120 degrees Celsius.
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| CN201611222847.XA CN106745389A (en) | 2016-12-27 | 2016-12-27 | A kind of dyeing and printing sewage treatment agent |
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Cited By (12)
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| CN107364919A (en) * | 2017-07-28 | 2017-11-21 | 毛旭 | It is a kind of be used to decolourizing, the wastewater treatment composition of taste removal and precipitation |
| CN107473287A (en) * | 2017-09-27 | 2017-12-15 | 句容市后白镇迎瑞印花厂 | A kind of dyeing waste water efficient process agent and preparation method thereof |
| CN107686138A (en) * | 2017-09-27 | 2018-02-13 | 句容市后白镇迎瑞印花厂 | A kind of dyeing waste water cleanser and preparation method thereof |
| CN107739065A (en) * | 2017-12-17 | 2018-02-27 | 柳州市晟铂贸易有限公司 | A kind of organic composite material for water treatment |
| CN107827271A (en) * | 2017-10-11 | 2018-03-23 | 镇江市中运城市环境治理股份有限公司 | A kind of wastewater treatment conditioning agent |
| CN108914127A (en) * | 2018-07-02 | 2018-11-30 | 南京舜业环保科技有限公司 | A kind of regeneration treatment agent and preparation method thereof for sulfuric acid copper etchant solution waste water |
| CN109368759A (en) * | 2018-12-25 | 2019-02-22 | 重庆市沃利克环保设备有限公司 | A kind of sewage-treating agent and preparation method thereof for coating material production |
| CN110844949A (en) * | 2018-08-21 | 2020-02-28 | 广东理标信息科技有限公司 | Environment-friendly medicament for industrial sewage treatment and preparation method thereof |
| CN111348700A (en) * | 2020-04-03 | 2020-06-30 | 姜文杰 | Treatment method of printing and dyeing textile industry sewage |
| CN113461085A (en) * | 2021-08-10 | 2021-10-01 | 北京城建智投建设集团有限公司 | Environment-friendly material for sewage treatment and environment improvement |
| CN115057514A (en) * | 2021-09-17 | 2022-09-16 | 哈尔滨工业大学 | Preparation method and application of waste biomass pretreatment liquid flocculant |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107364919A (en) * | 2017-07-28 | 2017-11-21 | 毛旭 | It is a kind of be used to decolourizing, the wastewater treatment composition of taste removal and precipitation |
| CN107473287A (en) * | 2017-09-27 | 2017-12-15 | 句容市后白镇迎瑞印花厂 | A kind of dyeing waste water efficient process agent and preparation method thereof |
| CN107686138A (en) * | 2017-09-27 | 2018-02-13 | 句容市后白镇迎瑞印花厂 | A kind of dyeing waste water cleanser and preparation method thereof |
| CN107827271A (en) * | 2017-10-11 | 2018-03-23 | 镇江市中运城市环境治理股份有限公司 | A kind of wastewater treatment conditioning agent |
| CN107739065A (en) * | 2017-12-17 | 2018-02-27 | 柳州市晟铂贸易有限公司 | A kind of organic composite material for water treatment |
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| CN110844949A (en) * | 2018-08-21 | 2020-02-28 | 广东理标信息科技有限公司 | Environment-friendly medicament for industrial sewage treatment and preparation method thereof |
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| CN111348700A (en) * | 2020-04-03 | 2020-06-30 | 姜文杰 | Treatment method of printing and dyeing textile industry sewage |
| CN113461085A (en) * | 2021-08-10 | 2021-10-01 | 北京城建智投建设集团有限公司 | Environment-friendly material for sewage treatment and environment improvement |
| CN115057514A (en) * | 2021-09-17 | 2022-09-16 | 哈尔滨工业大学 | Preparation method and application of waste biomass pretreatment liquid flocculant |
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Application publication date: 20170531 |