CN105948194A - Sewage phosphate removing agent and preparation method thereof - Google Patents
Sewage phosphate removing agent and preparation method thereof Download PDFInfo
- Publication number
- CN105948194A CN105948194A CN201610264196.4A CN201610264196A CN105948194A CN 105948194 A CN105948194 A CN 105948194A CN 201610264196 A CN201610264196 A CN 201610264196A CN 105948194 A CN105948194 A CN 105948194A
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- parts
- sulfate
- mixed liquor
- copper sulfate
- zinc sulfate
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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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- 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]
-
- 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
- C02F2209/18—PO4-P
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a sewage phosphate removing agent and a preparation method thereof. The phosphate removing flocculating agent is prepared from the following raw materials: by weight, 30-40 parts of water, 4-8 parts of potassium perchlorate, 20-30 parts of sodium silicate, 25-35 parts of ferrous sulfate, and 50-70 parts of the mixture of zinc sulfate and copper sulfate, wherein the weight ratio of zinc sulfate to copper sulfate is 4-6:1. The sewage phosphate removing agent prepared by the invention can remove the phosphorus in the sewage effectively, and can reduce the total suspension in the sewage (SS), chemical oxygen demand (COD), and biological oxygen demand (BOD). Moreover, the preparation method of the sewage phosphate removing agent is simple, and has strong operability.
Description
Technical field
The present invention relates to field of sewage treatment, be specifically related to a kind of sewage dephosphorization agent and preparation method thereof.
Background technology
The urban sewage treatment process in mid-term the seventies and eighties is in the majority with traditional activated sludge process, mainly to remove COD
(COD) it is object, the highest to the nitrogen in water outlet after processing, phosphorus index request.In recent years, cities and towns people generally use washing machine
Washing medicated clothings etc., a large amount of phosphorus containg substances such as detergent that use, this not only makes the sewage quantity in cities and towns increase, and makes containing in sewage
Phosphorus amount increases.Along with the development of society and improving constantly of people's living standard, the sewage disposal to cities and towns requires that meeting is more and more higher,
To be the strictest to the dephosphorization of sewage disposal, the index of denitrogenation.
Bio-denitrification technology in existing urban sewage treatment technology, is typically attained by denitrogenating the requirement of index, and biological phosphate-eliminating
Technology is but extremely difficult to the requirement of dephosphorization index.Therefore, in municipal sewage treatment, the technical problem of dephosphorization in the urgent need to address.
Summary of the invention
It is an object of the invention to provide a kind of high-efficiency sewage phosphate eliminating flocculant and preparation method thereof, obtained phosphate eliminating flocculant energy
Effectively remove the phosphorus in sewage, total suspended matter in sewage (SS), COD (COD), BOD (BOD) can be reduced.
The preparation method of phosphate eliminating flocculant of the present invention is simple, workable.
Above-mentioned purpose is achieved by following technical solution:
A kind of sewage dephosphorization agent, is prepared from by the raw material of following weight portion:
Water, 30～40 parts；Potassium hyperchlorate, 4～8 parts；Sodium silicate, 20～30 parts；Ferrous sulfate, 25～35 parts；Zinc sulfate and
The mixture of copper sulfate, 50～70 parts；Wherein, the weight ratio of zinc sulfate and copper sulfate is 4～6:1.
Further, described sewage dephosphorization agent is prepared from by the raw material of following weight portion: water, 35 parts；Potassium hyperchlorate, 6
Part；Sodium silicate, 25 parts；Ferrous sulfate, 30 parts；Zinc sulfate and the mixture of copper sulfate, 60 parts；Wherein, zinc sulfate and
The weight ratio of copper sulfate is 5:1.
Further, described sewage dephosphorization agent is prepared from by the raw material of following weight portion: water, 30 parts；Potassium hyperchlorate, 4
Part；Sodium silicate, 20 parts；Ferrous sulfate, 25 parts；Zinc sulfate and the mixture of copper sulfate, 50 parts；Wherein, zinc sulfate and
The weight ratio of copper sulfate is 4:1.
Further, described sewage dephosphorization agent is prepared from by the raw material of following weight portion: water, 40 parts；Potassium hyperchlorate, 8
Part；Sodium silicate, 30 parts；Ferrous sulfate, 35 parts；Zinc sulfate and the mixture of copper sulfate, 70 parts；Wherein, zinc sulfate and
The weight ratio of copper sulfate is 6:1.
The preparation method of above-mentioned sewage dephosphorization agent, comprises the steps:
(1) preparing metal salt mixed liquor: under normal temperature and pressure, mixes ferrous sulfate, zinc sulfate and copper sulfate with water, and stirring is mixed
Even formation slaine mixed liquor；
(2) pH value of slaine mixed liquor is adjusted: in the slaine mixed liquor of preparation, be slowly added to concentrated sulphuric acid while stirring,
Making all metal sulfates be completely dissolved, adjusting its pH value is 1～2；
(3) burning reaction: under normal temperature and pressure, the slaine mixed liquor adjusting pH value is slowly added to height while stirring
Potassium chlorate carries out oxidation reaction, and the response time is 20～40 minutes；
(4) after the oxidation reaction until (3rd) step completes, at normal temperatures and pressures, add sodium silicate, stir, blowing bag
Dress is finished product.
Advantages of the present invention:
Phosphate eliminating flocculant obtained by the present invention can effectively be removed the phosphorus in sewage, can reduce total suspended matter in sewage (SS), chemistry
Oxygen demand (COD), BOD (BOD)；The preparation method of phosphate eliminating flocculant of the present invention is simple, workable.
Detailed description of the invention
Further illustrate the essentiality content of the present invention below in conjunction with embodiment, but do not limit scope with this.To the greatest extent
The present invention is explained in detail by pipe with reference to preferred embodiment, it will be understood by those within the art that, can be to the present invention
Technical scheme modify or equivalent, without deviating from the spirit and scope of technical solution of the present invention.
Embodiment 1: the preparation of sewage dephosphorization agent
Proportioning raw materials:
Water, 35 parts；Potassium hyperchlorate, 6 parts；Sodium silicate, 25 parts；Ferrous sulfate, 30 parts；Zinc sulfate and the mixing of copper sulfate
Thing, 60 parts；Wherein, the weight ratio of zinc sulfate and copper sulfate is 5:1.
Preparation method:
(1) preparing metal salt mixed liquor: under normal temperature and pressure, mixes ferrous sulfate, zinc sulfate and copper sulfate with water, and stirring is mixed
Even formation slaine mixed liquor；
(2) pH value of slaine mixed liquor is adjusted: in the slaine mixed liquor of preparation, be slowly added to concentrated sulphuric acid while stirring,
Making all metal sulfates be completely dissolved, adjusting its pH value is 1.5；
(3) burning reaction: under normal temperature and pressure, the slaine mixed liquor adjusting pH value is slowly added to height while stirring
Potassium chlorate carries out oxidation reaction, and the response time is 30 minutes；
(4) after the oxidation reaction until (3rd) step completes, at normal temperatures and pressures, add sodium silicate, stir, blowing bag
Dress is finished product.
Embodiment 2: the preparation of sewage dephosphorization agent
Proportioning raw materials:
Water, 30 parts；Potassium hyperchlorate, 4 parts；Sodium silicate, 20 parts；Ferrous sulfate, 25 parts；Zinc sulfate and the mixing of copper sulfate
Thing, 50 parts；Wherein, the weight ratio of zinc sulfate and copper sulfate is 4:1.
Preparation method:
(1) preparing metal salt mixed liquor: under normal temperature and pressure, mixes ferrous sulfate, zinc sulfate and copper sulfate with water, and stirring is mixed
Even formation slaine mixed liquor；
(2) pH value of slaine mixed liquor is adjusted: in the slaine mixed liquor of preparation, be slowly added to concentrated sulphuric acid while stirring,
Making all metal sulfates be completely dissolved, adjusting its pH value is 1；
(3) burning reaction: under normal temperature and pressure, the slaine mixed liquor adjusting pH value is slowly added to height while stirring
Potassium chlorate carries out oxidation reaction, and the response time is 20 minutes；
(4) after the oxidation reaction until (3rd) step completes, at normal temperatures and pressures, add sodium silicate, stir, blowing bag
Dress is finished product.
Embodiment 3: the preparation of sewage dephosphorization agent
Proportioning raw materials:
Water, 40 parts；Potassium hyperchlorate, 8 parts；Sodium silicate, 30 parts；Ferrous sulfate, 35 parts；Zinc sulfate and the mixing of copper sulfate
Thing, 70 parts；Wherein, the weight ratio of zinc sulfate and copper sulfate is 6:1.
Preparation method:
(1) preparing metal salt mixed liquor: under normal temperature and pressure, mixes ferrous sulfate, zinc sulfate and copper sulfate with water, and stirring is mixed
Even formation slaine mixed liquor；
(2) pH value of slaine mixed liquor is adjusted: in the slaine mixed liquor of preparation, be slowly added to concentrated sulphuric acid while stirring,
Making all metal sulfates be completely dissolved, adjusting its pH value is 2；
(3) burning reaction: under normal temperature and pressure, the slaine mixed liquor adjusting pH value is slowly added to height while stirring
Potassium chlorate carries out oxidation reaction, and the response time is 40 minutes；
(4) after the oxidation reaction until (3rd) step completes, at normal temperatures and pressures, add sodium silicate, stir, blowing bag
Dress is finished product.
Embodiment 4: the preparation of sewage dephosphorization agent
Proportioning raw materials:
Water, 35 parts；Potassium hyperchlorate, 6 parts；Sodium silicate, 25 parts；Ferrous sulfate, 30 parts；Zinc sulfate and the mixing of copper sulfate
Thing, 60 parts；Wherein, the weight ratio of zinc sulfate and copper sulfate is 4:1.
Preparation method:
(1) preparing metal salt mixed liquor: under normal temperature and pressure, mixes ferrous sulfate, zinc sulfate and copper sulfate with water, and stirring is mixed
Even formation slaine mixed liquor；
(2) pH value of slaine mixed liquor is adjusted: in the slaine mixed liquor of preparation, be slowly added to concentrated sulphuric acid while stirring,
Making all metal sulfates be completely dissolved, adjusting its pH value is 1.5；
(3) burning reaction: under normal temperature and pressure, the slaine mixed liquor adjusting pH value is slowly added to height while stirring
Potassium chlorate carries out oxidation reaction, and the response time is 30 minutes；
(4) after the oxidation reaction until (3rd) step completes, at normal temperatures and pressures, add sodium silicate, stir, blowing bag
Dress is finished product.
Embodiment 5: the preparation of sewage dephosphorization agent
Proportioning raw materials:
Water, 35 parts；Potassium hyperchlorate, 6 parts；Sodium silicate, 25 parts；Ferrous sulfate, 30 parts；Zinc sulfate and the mixing of copper sulfate
Thing, 60 parts；Wherein, the weight ratio of zinc sulfate and copper sulfate is 6:1.
Preparation method:
(1) preparing metal salt mixed liquor: under normal temperature and pressure, mixes ferrous sulfate, zinc sulfate and copper sulfate with water, and stirring is mixed
Even formation slaine mixed liquor；
(2) pH value of slaine mixed liquor is adjusted: in the slaine mixed liquor of preparation, be slowly added to concentrated sulphuric acid while stirring,
Making all metal sulfates be completely dissolved, adjusting its pH value is 1.5；
(3) burning reaction: under normal temperature and pressure, the slaine mixed liquor adjusting pH value is slowly added to height while stirring
Potassium chlorate carries out oxidation reaction, and the response time is 30 minutes；
(4) after the oxidation reaction until (3rd) step completes, at normal temperatures and pressures, add sodium silicate, stir, blowing bag
Dress is finished product.
The weight ratio of embodiment 6: comparative example, zinc sulfate and copper sulfate is 3:1
Proportioning raw materials:
Water, 35 parts；Potassium hyperchlorate, 6 parts；Sodium silicate, 25 parts；Ferrous sulfate, 30 parts；Zinc sulfate and the mixing of copper sulfate
Thing, 60 parts；Wherein, the weight ratio of zinc sulfate and copper sulfate is 3:1.
Preparation method:
(1) preparing metal salt mixed liquor: under normal temperature and pressure, mixes ferrous sulfate, zinc sulfate and copper sulfate with water, and stirring is mixed
Even formation slaine mixed liquor；
(2) pH value of slaine mixed liquor is adjusted: in the slaine mixed liquor of preparation, be slowly added to concentrated sulphuric acid while stirring,
Making all metal sulfates be completely dissolved, adjusting its pH value is 1.5；
(3) burning reaction: under normal temperature and pressure, the slaine mixed liquor adjusting pH value is slowly added to height while stirring
Potassium chlorate carries out oxidation reaction, and the response time is 30 minutes；
(4) after the oxidation reaction until (3rd) step completes, at normal temperatures and pressures, add sodium silicate, stir, blowing bag
Dress is finished product.
The weight ratio of embodiment 7: comparative example, zinc sulfate and copper sulfate is 7:1
Proportioning raw materials:
Water, 35 parts；Potassium hyperchlorate, 6 parts；Sodium silicate, 25 parts；Ferrous sulfate, 30 parts；Zinc sulfate and the mixing of copper sulfate
Thing, 60 parts；Wherein, the weight ratio of zinc sulfate and copper sulfate is 7:1.
Preparation method:
(1) preparing metal salt mixed liquor: under normal temperature and pressure, mixes ferrous sulfate, zinc sulfate and copper sulfate with water, and stirring is mixed
Even formation slaine mixed liquor；
(2) pH value of slaine mixed liquor is adjusted: in the slaine mixed liquor of preparation, be slowly added to concentrated sulphuric acid while stirring,
Making all metal sulfates be completely dissolved, adjusting its pH value is 1.5；
(3) burning reaction: under normal temperature and pressure, the slaine mixed liquor adjusting pH value is slowly added to height while stirring
Potassium chlorate carries out oxidation reaction, and the response time is 30 minutes；
(4) after the oxidation reaction until (3rd) step completes, at normal temperatures and pressures, add sodium silicate, stir, blowing bag
Dress is finished product.
Embodiment 8: waste water control measure of merit
Take the sewage of phosphorus content high (6mg/L) in city, respectively from tp removal rate, total suspended matter clearance, COD
The phosphate eliminating flocculant of clearance, BOD clearance four aspect testing example 1～7 preparation regulation effect to sewage.
Result see table.
Embodiment 2,3 regulation effect is close with embodiment 4,5.
From upper table test result it can be seen that the sewage dephosphorization agent that the present invention provides can effectively remove the phosphorus in sewage, can reduce dirt
Total suspended matter (SS), COD (COD), BOD (BOD) in water.
The effect of above-described embodiment indicates that the essentiality content of the present invention, but does not limit protection scope of the present invention with this.
It will be understood by those within the art that, technical scheme can be modified or equivalent, and not take off
Essence and protection domain from technical solution of the present invention.
Claims (5)
1. a sewage dephosphorization agent, it is characterised in that be prepared from by the raw material of following weight portion:
Water, 30～40 parts；Potassium hyperchlorate, 4～8 parts；Sodium silicate, 20～30 parts；Ferrous sulfate, 25～35 parts；Zinc sulfate and
The mixture of copper sulfate, 50～70 parts；Wherein, the weight ratio of zinc sulfate and copper sulfate is 4～6:1.
Sewage dephosphorization agent the most according to claim 1, it is characterised in that be prepared from by the raw material of following weight portion: water,
35 parts；Potassium hyperchlorate, 6 parts；Sodium silicate, 25 parts；Ferrous sulfate, 30 parts；Zinc sulfate and the mixture of copper sulfate, 60
Part；Wherein, the weight ratio of zinc sulfate and copper sulfate is 5:1.
Sewage dephosphorization agent the most according to claim 1, it is characterised in that be prepared from by the raw material of following weight portion: water,
30 parts；Potassium hyperchlorate, 4 parts；Sodium silicate, 20 parts；Ferrous sulfate, 25 parts；Zinc sulfate and the mixture of copper sulfate, 50
Part；Wherein, the weight ratio of zinc sulfate and copper sulfate is 4:1.
Sewage dephosphorization agent the most according to claim 1, it is characterised in that be prepared from by the raw material of following weight portion: water,
40 parts；Potassium hyperchlorate, 8 parts；Sodium silicate, 30 parts；Ferrous sulfate, 35 parts；Zinc sulfate and the mixture of copper sulfate, 70
Part；Wherein, the weight ratio of zinc sulfate and copper sulfate is 6:1.
5. the preparation method of the arbitrary described sewage dephosphorization agent of Claims 1 to 4, it is characterised in that comprise the steps:
(1) preparing metal salt mixed liquor: under normal temperature and pressure, mixes ferrous sulfate, zinc sulfate and copper sulfate with water, and stirring is mixed
Even formation slaine mixed liquor；
(2) pH value of slaine mixed liquor is adjusted: in the slaine mixed liquor of preparation, be slowly added to concentrated sulphuric acid while stirring,
Making all metal sulfates be completely dissolved, adjusting its pH value is 1～2；
(3) burning reaction: under normal temperature and pressure, the slaine mixed liquor adjusting pH value is slowly added to height while stirring
Potassium chlorate carries out oxidation reaction, and the response time is 20～40 minutes；
(4) after the oxidation reaction until (3rd) step completes, at normal temperatures and pressures, add sodium silicate, stir, blowing bag
Dress is finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610264196.4A CN105948194A (en) | 2016-04-23 | 2016-04-23 | Sewage phosphate removing agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610264196.4A CN105948194A (en) | 2016-04-23 | 2016-04-23 | Sewage phosphate removing agent and preparation method thereof |
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| CN105948194A true CN105948194A (en) | 2016-09-21 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106830276A (en) * | 2017-03-07 | 2017-06-13 | 苏州清控环保科技有限公司 | A kind of efficient dephosphorization agent and preparation method thereof |
| CN106861655A (en) * | 2017-03-09 | 2017-06-20 | 合肥智慧龙图腾知识产权股份有限公司 | A kind of agricultural wastewater dephosphorization agent and preparation method thereof |
| CN110054267A (en) * | 2019-03-21 | 2019-07-26 | 山东益源环保科技有限公司 | A kind of high efficiency composition dephosphorization agent and its application method in municipal wastewater deep phosphorous removal |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105502610A (en) * | 2016-01-28 | 2016-04-20 | 叶君芝 | Efficient sewage dephosphorizing flocculating agent and preparation method thereof |
-
2016
- 2016-04-23 CN CN201610264196.4A patent/CN105948194A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105502610A (en) * | 2016-01-28 | 2016-04-20 | 叶君芝 | Efficient sewage dephosphorizing flocculating agent and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106830276A (en) * | 2017-03-07 | 2017-06-13 | 苏州清控环保科技有限公司 | A kind of efficient dephosphorization agent and preparation method thereof |
| CN106861655A (en) * | 2017-03-09 | 2017-06-20 | 合肥智慧龙图腾知识产权股份有限公司 | A kind of agricultural wastewater dephosphorization agent and preparation method thereof |
| CN110054267A (en) * | 2019-03-21 | 2019-07-26 | 山东益源环保科技有限公司 | A kind of high efficiency composition dephosphorization agent and its application method in municipal wastewater deep phosphorous removal |
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