CN110436553A - A kind of polyacrylamide sewage water inorganic agent and preparation method thereof - Google Patents
A kind of polyacrylamide sewage water inorganic agent and preparation method thereof Download PDFInfo
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- CN110436553A CN110436553A CN201910781218.8A CN201910781218A CN110436553A CN 110436553 A CN110436553 A CN 110436553A CN 201910781218 A CN201910781218 A CN 201910781218A CN 110436553 A CN110436553 A CN 110436553A
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- polyacrylamide
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/54—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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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 kind of polyacrylamide sewage water inorganic agents, are made of raw material from the following weight: 40~60 parts of polyacrylamide, 30~40 parts of inorganic flocculating agent, 20~30 parts of adsorbent, 5~10 parts of thickener, 1~5 part of pH adjusting agent and 150~200 parts of water.The preparation method comprises the following steps: (1) weighs each raw material；(2) thickener, pH adjusting agent and water are added in reaction kettle, heat up stirring and dissolving, obtains solution A；(3) inorganic flocculating agent and adsorbent are crushed, sieving, ball milling, obtains inorganic mixture；(4) inorganic mixture is added into solution A, is uniformly mixed；(5) polyacrylamide is added, is uniformly mixed to get polyacrylamide sewage water inorganic agent.The advantages that life can be effectively treated in sewage-treating agent of the present invention, mitigate pollution of the sewage to ecological environment, have purification speed fast, and effect is good, environment-protecting and non-poisonous.
Description
Technical field
The present invention relates to technical field of sewage, are related to a kind of sewage-treating agent, more particularly to a kind of poly-
Acrylamide sewage-treating agent and preparation method thereof.
Background technique
With the increasingly raising of our people's living standard and the swift and violent quickening of urbanization process, various waste water such as work
The growth rate of industry waste water and sanitary sewage yield is surprising, enormous amount.According to incompletely statistics, the waste water that China generates every year reaches
Several hundred million tons, organic pollutant and heavy metal in these waste water, such as phenols, dyestuff, cadmium, chromium, mercury often containing severe toxicity so that
The water body environment in locating region seriously pollutes, and causes serious destruction to environment and threatens.Therefore how dirt is properly handled
Water has become the problem of being related to descendants's existence.
Sewage treatment to it is environmentally friendly, water-saving, energy saving the problems such as all have a very important significance.Existing sewage treatment side
Formula, some is using the physical method spent human and material resources is compared, and some is chemically treated using sewage-treating agent, but cost
Higher, treatment effect is also not fully up to expectations, and also affects to environment in the use process of sewage-treating agent.
Therefore, seek the problem of efficient and environmentally friendly sewage-treating agent of one kind is those skilled in the art's urgent need to resolve.
Summary of the invention
In view of this, it is an object of that present invention to provide a kind of polyacrylamide sewage water inorganic agents and preparation method thereof.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of polyacrylamide sewage water inorganic agent, is made of raw material from the following weight: 40~60 parts of polyacrylamide, nothing
30~40 parts of machine flocculant, 20~30 parts of adsorbent, 5~10 parts of thickener, 1~5 part of pH adjusting agent and 150~200 parts of water.
Further, the molecular weight of above-mentioned polyacrylamide is 7,000,000~12,000,000.
It is using above-mentioned further beneficial effect, the polyacrylamide of 7,000,000~12,000,000 molecular weight can make to suspend
Substance is by charge neutrality, bridge formation suction-operated, plays flocculation, thus by sewage suspended particulate, be not readily dissolved in of water
Grain is absorbed.
Further, above-mentioned inorganic flocculating agent be any one of aluminium polychloride, poly-ferric chloride, poly- silicon sodium carbonate aluminium or
Several mixing.
It is that the above inorganic flocculating agent is soluble easily in water using above-mentioned further beneficial effect, flocculating effect is excellent, product
Stability is good, and it is wide to be applicable in pH value range.
Further, above-mentioned adsorbent is the mixing of any one or more of diatomite, active carbon, atlapulgite, coke.
It is using above-mentioned further beneficial effect, the above adsorbent strong adsorption force, adsorptive selectivity is good, adsorption capacity
Greatly, adsorption equilibrium concentration is low, high mechanical strength, and chemical property is stablized, regenerating easily and available, and raw material sources are extensive, valence
Lattice are cheap.
Further, above-mentioned thickener is hydroxypropyl methyl cellulose sodium, sodium carboxymethylcellulose, sodium alginate, alginic acid
The mixing of any one or more of potassium.
Be using above-mentioned further beneficial effect, the above thickener enhance polyacrylamide and inorganic flocculating agent it
Between amalgamation, while increasing the adhesiveness of sewage-treating agent, enable finally obtained sewage-treating agent more efficient
Ground plays a role.
Further, above-mentioned pH adjusting agent is the mixed of any one or more of lime, sodium hydroxide, sodium carbonate, sodium acetate
It closes.
It is using above-mentioned further beneficial effect, the above pH adjusting agent is used to adjust the pH value of sewage to neutrality, from
And reach emission request.
The present invention also provides the preparation methods of above-mentioned polyacrylamide sewage water inorganic agent, specifically includes the following steps:
(1) each raw material is weighed by the parts by weight of above-mentioned polyacrylamide sewage water inorganic agent；
(2) thickener, pH adjusting agent and water are added in reaction kettle, 50~60 DEG C are warming up to, with 100~200r/min
Revolving speed stirs 5~10min to dissolving, and obtains solution A, spare；
(3) inorganic flocculating agent and adsorbent are crushed, crosses 100~150 meshes, 150~180min of ball milling is obtained inorganic mixed
Object is closed, it is spare；
(4) inorganic mixture obtained by step (3) is added into step (2) acquired solution A, is stirred with 80~100r/min revolving speed
100~120min is mixed to being uniformly mixed, obtains solution B；
(5) polyacrylamide is added into step (4) acquired solution B, with 150~200r/min revolving speed stirring 40~
60min is to uniformly mixed to get polyacrylamide sewage water inorganic agent.
It can be seen via above technical scheme that compared with prior art, beneficial effects of the present invention are as follows:
1, the present invention has used organic flocculant and inorganic flocculating agent ingredient to cooperate with as flocculant simultaneously, and thickener increases
Strong amalgamation between organic flocculant and inorganic flocculating agent, so that sewage-treating agent has excellent flocculating effect；
2, production cost of the present invention is low, easy to operate, and reaction speed is fast, generates in reaction process without poisonous and harmful substance,
And the product after reacting is stablized, and noxious material will not be further decomposed into；
3, sewage can be effectively treated in sewage-treating agent of the present invention, mitigate pollution of the sewage to ecological environment, SS removal rate is most
Up to 99.9%, BOD removal rate is up to 97.8%, COD removal rate and is up to 96.7%, and chroma removal rate is up to 98%,
The advantages that fast with purification speed, effect is good, environment-protecting and non-poisonous.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1
Polyacrylamide sewage water inorganic agent is made of the raw material of following weight: polyacrylamide (molecular weight is 7,000,000)
40g, aluminium polychloride 30g, diatomite 20g, hydroxypropyl methyl cellulose sodium 5g, lime 1g and water 150g.
The preparation method comprises the following steps:
(1) each raw material is weighed by the weight of above-mentioned polyacrylamide sewage water inorganic agent；
(2) hydroxypropyl methyl cellulose sodium, lime and water are added in reaction kettle, 50 DEG C are warming up to, with 100r/min
Revolving speed stirs 5min to dissolving, and obtains solution A, spare；
(3) aluminium polychloride and diatomite are crushed, is sieved with 100 mesh sieve, ball milling 150min obtains inorganic mixture, spare；
(4) inorganic mixture obtained by step (3) is added, into step (2) acquired solution A with the stirring of 80r/min revolving speed
100min obtains solution B to being uniformly mixed；
(5) polyacrylamide is added into step (4) acquired solution B, it is equal to mixing with 150r/min revolving speed stirring 40min
It is even to get polyacrylamide sewage water inorganic agent.
Embodiment 2
Polyacrylamide sewage water inorganic agent is made of the raw material of following weight: polyacrylamide (molecular weight is 8,000,000)
45g, poly-ferric chloride 32g, active carbon 25g, sodium carboxymethylcellulose 6g, sodium hydroxide 2g and water 160g.
The preparation method comprises the following steps:
(1) each raw material is weighed by the weight of above-mentioned polyacrylamide sewage water inorganic agent；
(2) sodium carboxymethylcellulose, sodium hydroxide and water are added in reaction kettle, 52 DEG C are warming up to, with 120r/min
Revolving speed stirs 6min to dissolving, and obtains solution A, spare；
(3) poly-ferric chloride and active carbon are crushed, crosses 110 meshes, ball milling 150min obtains inorganic mixture, spare；
(4) inorganic mixture obtained by step (3) is added, into step (2) acquired solution A with the stirring of 85r/min revolving speed
105min obtains solution B to being uniformly mixed；
(5) polyacrylamide is added into step (4) acquired solution B, it is equal to mixing with 160r/min revolving speed stirring 45min
It is even to get polyacrylamide sewage water inorganic agent.
Embodiment 3
Polyacrylamide sewage water inorganic agent is made of the raw material of following weight: polyacrylamide (molecular weight is 9,000,000)
50g, poly- silicon sodium carbonate aluminium 35g, atlapulgite 30g, sodium alginate 8g, sodium carbonate 3g and water 170g.
The preparation method comprises the following steps:
(1) each raw material is weighed by the weight of above-mentioned polyacrylamide sewage water inorganic agent；
(2) sodium alginate, sodium carbonate and water are added in reaction kettle, are warming up to 55 DEG C, with the stirring of 150r/min revolving speed
8min obtains solution A to dissolving, spare；
(3) poly- silicon sodium carbonate aluminium and atlapulgite being crushed, crosses 130 meshes, ball milling 160min obtains inorganic mixture,
It is spare；
(4) inorganic mixture obtained by step (3) is added, into step (2) acquired solution A with the stirring of 90r/min revolving speed
110min obtains solution B to being uniformly mixed；
(5) polyacrylamide is added into step (4) acquired solution B, it is equal to mixing with 180r/min revolving speed stirring 50min
It is even to get polyacrylamide sewage water inorganic agent.
Embodiment 4
Polyacrylamide sewage water inorganic agent is made of the raw material of following weight: polyacrylamide (molecular weight is 10,000,000)
55g, aluminium polychloride 38g, coke 35g, potassium alginate 9g, lime 4g and water 180g.
The preparation method comprises the following steps:
(1) each raw material is weighed by the weight of above-mentioned polyacrylamide sewage water inorganic agent；
(2) potassium alginate, lime and water are added in reaction kettle, are warming up to 58 DEG C, with the stirring of 100r/min revolving speed
8min obtains solution A to dissolving, spare；
(3) aluminium polychloride and coke are crushed, crosses 140 meshes, ball milling 160min obtains inorganic mixture, spare；
(4) inorganic mixture obtained by step (3) is added, into step (2) acquired solution A with the stirring of 95r/min revolving speed
115min obtains solution B to being uniformly mixed；
(5) polyacrylamide is added into step (4) acquired solution B, it is equal to mixing with 190r/min revolving speed stirring 55min
It is even to get polyacrylamide sewage water inorganic agent.
Embodiment 5
Polyacrylamide sewage water inorganic agent is made of the raw material of following weight: polyacrylamide (molecular weight is 12,000,000)
60g, aluminium polychloride 40g, diatomite 30g, hydroxypropyl methyl cellulose sodium 10g, sodium acetate 5g and water 200g.
The preparation method comprises the following steps:
(1) each raw material is weighed by the weight of above-mentioned polyacrylamide sewage water inorganic agent；
(2) hydroxypropyl methyl cellulose sodium, sodium acetate and water are added in reaction kettle, 60 DEG C are warming up to, with 200r/
Min revolving speed stirs 10min to dissolving, and obtains solution A, spare；
(3) aluminium polychloride and diatomite are crushed, crosses 150 meshes, ball milling 180min obtains inorganic mixture, spare；
(4) inorganic mixture obtained by step (3) is added, into step (2) acquired solution A with the stirring of 100r/min revolving speed
120min obtains solution B to being uniformly mixed；
(5) polyacrylamide is added into step (4) acquired solution B, it is equal to mixing with 200r/min revolving speed stirring 60min
It is even to get polyacrylamide sewage water inorganic agent.
Performance detection
Wastewater treatment efficiency test
Certain municipal sewage is taken, its SS (wastewater suspended substance) value, BOD (biochemical oxygen demand (BOD)) value, COD is surveyed before processing respectively and (changes
Learn oxygen demand) value and coloration.
Then 5 parts of sewage, every part of 1L before taking processing, it is dirty to be separately added into the polyacrylamide that Examples 1 to 5 is prepared
Water treatment agent 50mg, stirring at normal temperature 60min, staticly settles, and removes supernatant, the SS (wastewater suspended substance) of sewage after measurement processing
Value, BOD (biochemical oxygen demand (BOD)) value, COD (COD) value and coloration, test result are as shown in table 1.
And calculate separately SS (wastewater suspended substance) value, BOD (biochemical oxygen demand (BOD)) value, COD (COD) value and coloration
Removal rate, test result is as shown in table 2.
The indices measurement result of the sewage after Examples 1 to 5 is handled of table 1
| Project | Before processing | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| SS(mg/L) | 2000 | 8 | 18 | 2 | 6 | 10 |
| BOD(mg/L) | 1000 | 27 | 29 | 22 | 24 | 24 |
| COD(mg/L) | 1000 | 35 | 37 | 33 | 32 | 38 |
| Coloration (again) | 200 | 6 | 4 | 4 | 4 | 6 |
The indices removal rate result of the sewage after Examples 1 to 5 is handled of table 2
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| SS removal rate (%) | 99.6 | 99.1 | 99.9 | 99.7 | 99.5 |
| BOD removal rate (%) | 97.3 | 97.1 | 97.8 | 97.6 | 97.6 |
| COD removal rate (%) | 96.5 | 96.3 | 96.7 | 96.8 | 96.2 |
| Chroma removal rate (%) | 97 | 98 | 98 | 98 | 97 |
By Tables 1 and 2 it is found that the indices measured value of sewage is smaller after the processing of the embodiment of the present invention 1~5, go
Except rate is higher.Particularly, the indices measured value of sewage is minimum after the processing of embodiment 3, removal rate highest, wherein SS
Removal rate, which is up to 99.9%, BOD removal rate and is up to 97.8%, COD removal rate, is up to 96.7%, chroma removal rate highest
Up to 98%.
The above wastewater treatment efficiency test explanation, polyacrylamide sewage water inorganic agent of the present invention can be effectively reduced in sewage
SS, BOD, COD and coloration, have purification speed it is fast, effect is good, it is environment-protecting and non-poisonous the advantages that.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of polyacrylamide sewage water inorganic agent, which is characterized in that be made of raw material from the following weight: polyacrylamide 40
~60 parts, 30~40 parts of inorganic flocculating agent, 20~30 parts of adsorbent, 5~10 parts of thickener, 1~5 part of pH adjusting agent and water 150
~200 parts.
2. a kind of polyacrylamide sewage water inorganic agent according to claim 1, which is characterized in that the polyacrylamide
Molecular weight is 7,000,000~12,000,000.
3. a kind of polyacrylamide sewage water inorganic agent according to claim 1, which is characterized in that the inorganic flocculating agent is
The mixing of any one or more of aluminium polychloride, poly-ferric chloride, poly- silicon sodium carbonate aluminium.
4. a kind of polyacrylamide sewage water inorganic agent according to claim 1, which is characterized in that the adsorbent is diatom
The mixing of any one or more of soil, active carbon, atlapulgite, coke.
5. a kind of polyacrylamide sewage water inorganic agent according to claim 1, which is characterized in that the thickener is hydroxypropyl
The mixing of any one or more of ylmethyl sodium cellulosate, sodium carboxymethylcellulose, sodium alginate, potassium alginate.
6. a kind of polyacrylamide sewage water inorganic agent according to claim 1, which is characterized in that the pH adjusting agent is stone
The mixing of any one or more of ash, sodium hydroxide, sodium carbonate, sodium acetate.
7. a kind of preparation method of polyacrylamide sewage water inorganic agent, which is characterized in that specifically includes the following steps:
(1) each raw material is weighed by the parts by weight of any one of the claim 1~6 polyacrylamide sewage water inorganic agent；
(2) thickener, pH adjusting agent and water are added in reaction kettle, heat up stirring and dissolving, obtains solution A, spare；
(3) inorganic flocculating agent and adsorbent are crushed, sieving, ball milling, obtains inorganic mixture, it is spare；
(4) inorganic mixture obtained by step (3) is added into step (2) acquired solution A, is uniformly mixed, obtains solution B；
(5) polyacrylamide is added into step (4) acquired solution B, is uniformly mixed to get the polyacrylamide sewage water
Inorganic agent.
8. a kind of preparation method of polyacrylamide sewage water inorganic agent according to claim 7, which is characterized in that step (2)
In, it is described to be warming up to 50~60 DEG C；The speed of agitator is 100~200r/min, and the time is 5~10min.
9. a kind of preparation method of polyacrylamide sewage water inorganic agent according to claim 7, which is characterized in that step (3)
In, the sieving was 100~150 meshes；The Ball-milling Time is 150~180min.
10. a kind of preparation method of polyacrylamide sewage water inorganic agent according to claim 7, which is characterized in that step (4)
In, the speed of agitator is 80~100r/min, and the time is 100~120min；In step (5), the speed of agitator be 150~
200r/min, time are 40~60min.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113307315A (en) * | 2021-06-17 | 2021-08-27 | 唐山市蓝翔环保设备有限公司 | Environment-friendly aquaculture sewage treatment agent and production process thereof |
| CN113845193A (en) * | 2021-11-03 | 2021-12-28 | 上海大学 | Preparation method of efficient coagulant |
| CN113880158A (en) * | 2021-10-26 | 2022-01-04 | 广州市芦苇环保科技有限责任公司 | Polyacrylamide water purifying agent and production method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103663577A (en) * | 2013-12-11 | 2014-03-26 | 山东华亚环保科技有限公司 | Low-cost domestic sewage treatment agent |
| CN105129940A (en) * | 2015-08-28 | 2015-12-09 | 邓忆凯 | Novel industrial wastewater flocculating agent and preparation method thereof |
-
2019
- 2019-08-23 CN CN201910781218.8A patent/CN110436553A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103663577A (en) * | 2013-12-11 | 2014-03-26 | 山东华亚环保科技有限公司 | Low-cost domestic sewage treatment agent |
| CN105129940A (en) * | 2015-08-28 | 2015-12-09 | 邓忆凯 | Novel industrial wastewater flocculating agent and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113307315A (en) * | 2021-06-17 | 2021-08-27 | 唐山市蓝翔环保设备有限公司 | Environment-friendly aquaculture sewage treatment agent and production process thereof |
| CN113880158A (en) * | 2021-10-26 | 2022-01-04 | 广州市芦苇环保科技有限责任公司 | Polyacrylamide water purifying agent and production method thereof |
| CN113845193A (en) * | 2021-11-03 | 2021-12-28 | 上海大学 | Preparation method of efficient coagulant |
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