CN105858778A - Attapulgite-polyacrylonitrile fiber composite blue alga treatment agent and preparation method thereof - Google Patents
Attapulgite-polyacrylonitrile fiber composite blue alga treatment agent and preparation method thereof Download PDFInfo
- Publication number
- CN105858778A CN105858778A CN201610221983.0A CN201610221983A CN105858778A CN 105858778 A CN105858778 A CN 105858778A CN 201610221983 A CN201610221983 A CN 201610221983A CN 105858778 A CN105858778 A CN 105858778A
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- China
- Prior art keywords
- attapulgite
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- polyacrylonitrile fibre
- treatment agent
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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
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
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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
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
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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
- C02F1/56—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
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/20—Prevention of biofouling
Abstract
The invention discloses an attapulgite-polyacrylonitrile fiber composite blue alga treatment agent. The blue alga treatment agent is prepared from, by weight, 40-60 parts of attapulgite, 3-5 parts of polyacrylonitrile fibers, 3-5 parts of wool fibers, 0.3-0.5 parts of methyl acrylate, 0.5-1 part of itaconic acid, 0.2-0.4 parts of acrylamide, 0.03-0.05 parts of ammonium persulfate, 1-2 parts of a silicone-acrylic emulsion, 0.5-1 part of calcium lignosulphonate and 10-15 parts of a composite assistant. The blue alga treatment agent has the advantages of good adsorption activity and flocculation performance, very good flocculation effect on blue algae, fast blue alga removal rate, low cost, no secondary pollution, high cyanotoxin adsorption and removal efficiency, good removal effect on various organic and inorganic pollution substances in water, substantial reduction of the content of ammonia nitrogen in water, effective improvement of the quality of water, and suitableness for treatment of complex water environment.
Description
Technical field
The present invention relates to cyanophyceae and administer field, particularly relate to a kind of attapulgite-polyacrylonitrile fibre compound cyanophyte inorganic agent and preparation method thereof.
Background technology
China is lake more than, the country of many reservoirs, in recent years, along with aggravation and the expansion of scope of water body eutrophication degree, Fresh Watcr Blue Algae wawter bloom is caused to be spread unchecked, the most seriously harm and the orthobiosis of resident, the also development to aquatic ecosystem have brought bigger harmful effect.Meanwhile, the secondary metabolite cyanophycean toxin produced in blue-green alga bloom is toxic to biology, can bring serious health risk for the mankind.Therefore, the governing problem of blue-green alga bloom has become as the study hotspot received significant attention.
At present, administer lake blue algae wawter bloom and substantially can be divided into physics, chemistry and biological three kinds of methods.Physical method except algae, has that quantities is big, operation period is long, the problems such as disposable input cost is higher based on machinery；Though chemical algae removing effect is good, but easily environment is caused secondary pollution；Biological algae removal technology is the most immature, and practical application faces certain difficulty.And, existing conventional water treatment process cannot effectively remove algae toxin present in water.Therefore, exploitation except algae is effective, safety non-pollution and the water treatment agent of algae toxin can be removed, be effectively improved Water quality the most necessary for solving water resource public health problem.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of cyanophyceae removes that speed is fast, low cost, non-secondary pollution and can effectively remove the attapulgite of cyanophycean toxin in water-polyacrylonitrile fibre compound cyanophyte inorganic agent and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of attapulgite-polyacrylonitrile fibre compound cyanophyte inorganic agent, it is to be prepared by the raw material of following weight parts:
Attapulgite 40-60, polyacrylonitrile fibre 3-5, wool fiber 3-5, acrylic acid methyl ester. 0.3-0.5, itaconic acid 0.5-1, acrylamide 0.2-0.4, Ammonium persulfate. 0.03-0.05, silicone acrylic emulsion 1-2, calcium lignosulfonate 0.5-1, composite assistant 10-15；
Described composite assistant is prepared by the raw materials in: polyvinyl alcohol 0.1-0.2, pectin 0.1-0.2, bagasse 3-5, soybean residue 3-5, the sulfuric acid solution 40-60 of aluminum isopropylate. 1-2,3-5%；The preparation method of composite assistant is first to be incorporated in 60-80 DEG C of stirring 12-24h by mixed with the sulfuric acid solution of 3-5% to bagasse and soybean residue, is subsequently adding polyvinyl alcohol, pectin and aluminum isopropylate. 85-95 DEG C stirring 1-2h, after cooling, pH is adjusted to neutrality, to obtain final product.
The preparation method of a kind of attapulgite-polyacrylonitrile fibre compound cyanophyte inorganic agent, comprises the following steps:
(1) weigh raw material by weight, prior to 60-80 DEG C of stirring 1-2h after attapulgite, silicone acrylic emulsion are mixed homogeneously with composite assistant, be then dried completely in 100-120 DEG C, be ground to 300-400 mesh, obtain modified powder；
(2) press in the NaOH solution of solid-liquid weight ratio 1:5-1:10 addition 10-15% after after polyacrylonitrile fibre and wool fiber being mixed and stir 3-4h in 60-80 DEG C, it is subsequently adding acrylic acid methyl ester. and itaconic acid jointly carries out defibrination process until particle diameter≤20 μm of serosity, acrylamide and Ammonium persulfate. 60-70 DEG C stirring 1-2h is added after pH is adjusted to 8-9, add the modified powder in (1) after cooling and remaining raw material ultrasonic disperse is uniform, then it is dried under the conditions of 100-120 DEG C completely, it is ground to below 400 mesh, obtain attapulgite-polyacrylonitrile fibre compound cyanophyte inorganic agent.
The invention have the advantage that
The present invention passes through pectin, bagasse, soybean residue and aluminum isopropylate. compound reaction and prepare the Organic-inorganic composite auxiliary agent being loaded with activated alumina, after mixing with raw materials such as attapulgites again with alkaline hydrolysis graft modification after fiber composite, the blue algae treatment agent obtained has good adsorption activity and flocculating property concurrently, not only cyanophyceae is had good flocculation, remove cyanophyceae speed fast, low cost, non-secondary pollution, high to the Adsorption efficiency of cyanophycean toxin, and to multiple organic in water, inorganic pollution material also has good removal effect, water body ammonia-nitrogen content can be significantly reduced, it is effectively improved water quality, it is applicable to the process of Complex Water Environment.
Detailed description of the invention
A kind of attapulgite-polyacrylonitrile fibre compound cyanophyte inorganic agent, it is to be prepared by the raw material of following weight parts:
Attapulgite 40, polyacrylonitrile fibre 3, wool fiber 3, acrylic acid methyl ester. 0.3, itaconic acid 0.5, acrylamide 0.2, Ammonium persulfate. 0.03, silicone acrylic emulsion 1, calcium lignosulfonate 0.5, composite assistant 10；
Described composite assistant is prepared by the raw materials in: polyvinyl alcohol 0.1, pectin 0.1, bagasse 3, soybean residue 3, aluminum isopropylate. 1, the sulfuric acid solution 40 of 3%；The preparation method of composite assistant is first to be incorporated in 60 DEG C of stirring 12h by mixed for the sulfuric acid solution of bagasse and soybean residue and 3%, is subsequently adding polyvinyl alcohol, pectin and aluminum isopropylate. 85 DEG C stirring 1h, after cooling, pH is adjusted to neutrality, to obtain final product.
The preparation method of a kind of attapulgite-polyacrylonitrile fibre compound cyanophyte inorganic agent, comprises the following steps:
(1) weigh raw material by weight, prior to 60 DEG C of stirring 1h after attapulgite, silicone acrylic emulsion are mixed homogeneously with composite assistant, be then dried completely in 100 DEG C, be ground to 300 mesh, obtain modified powder；
(2) press in the NaOH solution of solid-liquid weight ratio 1:5 addition 10% after after polyacrylonitrile fibre and wool fiber being mixed and stir 3h in 60 DEG C, it is subsequently adding acrylic acid methyl ester. and itaconic acid jointly carries out defibrination process until particle diameter≤20 μm of serosity, acrylamide and Ammonium persulfate. 60 DEG C stirring 1h is added after pH is adjusted to 8, add the modified powder in (1) after cooling and remaining raw material ultrasonic disperse is uniform, then it is dried under the conditions of 100 DEG C completely, it is ground to below 400 mesh, obtains attapulgite-polyacrylonitrile fibre compound cyanophyte inorganic agent.
Take above-mentioned prepared blue algae treatment agent 0.1g and add in 1000mL cyanophyceae water sample that (water sample algae cell density is 4 × 106Individual/mL), stand 1h after stirring, testing result is as follows:
Frustule clearance: 98.54%；
Turbidity removal rate: 95.37%；
Algae toxins clearance: 79.48%.
Claims (2)
1. attapulgite-polyacrylonitrile fibre compound cyanophyte inorganic agent, it is characterised in that it is to be prepared by the raw material of following weight parts:
Attapulgite 40-60, polyacrylonitrile fibre 3-5, wool fiber 3-5, acrylic acid methyl ester. 0.3-0.5, itaconic acid 0.5-1, acrylamide 0.2-0.4, Ammonium persulfate. 0.03-0.05, silicone acrylic emulsion 1-2, calcium lignosulfonate 0.5-1, composite assistant 10-15；
Described composite assistant is prepared by the raw materials in: polyvinyl alcohol 0.1-0.2, pectin 0.1-0.2, bagasse 3-5, soybean residue 3-5, the sulfuric acid solution 40-60 of aluminum isopropylate. 1-2,3-5%；The preparation method of composite assistant is first to be incorporated in 60-80 DEG C of stirring 12-24h by mixed with the sulfuric acid solution of 3-5% to bagasse and soybean residue, is subsequently adding polyvinyl alcohol, pectin and aluminum isopropylate. 85-95 DEG C stirring 1-2h, after cooling, pH is adjusted to neutrality, to obtain final product.
The preparation method of a kind of attapulgite the most according to claim 1-polyacrylonitrile fibre compound cyanophyte inorganic agent, it is characterised in that comprise the following steps:
(1) weigh raw material by weight, prior to 60-80 DEG C of stirring 1-2h after attapulgite, silicone acrylic emulsion are mixed homogeneously with composite assistant, be then dried completely in 100-120 DEG C, be ground to 300-400 mesh, obtain modified powder；
(2) press in the NaOH solution of solid-liquid weight ratio 1:5-1:10 addition 10-15% after after polyacrylonitrile fibre and wool fiber being mixed and stir 3-4h in 60-80 DEG C, it is subsequently adding acrylic acid methyl ester. and itaconic acid jointly carries out defibrination process until particle diameter≤20 μm of serosity, acrylamide and Ammonium persulfate. 60-70 DEG C stirring 1-2h is added after pH is adjusted to 8-9, add the modified powder in (1) after cooling and remaining raw material ultrasonic disperse is uniform, then it is dried under the conditions of 100-120 DEG C completely, it is ground to below 400 mesh, obtain attapulgite-polyacrylonitrile fibre compound cyanophyte inorganic agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610221983.0A CN105858778A (en) | 2016-04-12 | 2016-04-12 | Attapulgite-polyacrylonitrile fiber composite blue alga treatment agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610221983.0A CN105858778A (en) | 2016-04-12 | 2016-04-12 | Attapulgite-polyacrylonitrile fiber composite blue alga treatment agent and preparation method thereof |
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| CN105858778A true CN105858778A (en) | 2016-08-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109516597A (en) * | 2018-12-07 | 2019-03-26 | 河海大学 | A kind of unicellular Microcystis aeruginosa flucculation process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101455955A (en) * | 2007-12-13 | 2009-06-17 | 中国科学院兰州化学物理研究所 | Clay base composite absorbent and preparation method thereof |
| CN104192961A (en) * | 2014-08-06 | 2014-12-10 | 明光中东吸附材料有限公司 | Modified attapulgite flocculant and preparation method thereof |
| CN104475063A (en) * | 2014-12-16 | 2015-04-01 | 广西大学 | Method for preparing heavy metal adsorbent |
-
2016
- 2016-04-12 CN CN201610221983.0A patent/CN105858778A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101455955A (en) * | 2007-12-13 | 2009-06-17 | 中国科学院兰州化学物理研究所 | Clay base composite absorbent and preparation method thereof |
| CN104192961A (en) * | 2014-08-06 | 2014-12-10 | 明光中东吸附材料有限公司 | Modified attapulgite flocculant and preparation method thereof |
| CN104475063A (en) * | 2014-12-16 | 2015-04-01 | 广西大学 | Method for preparing heavy metal adsorbent |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109516597A (en) * | 2018-12-07 | 2019-03-26 | 河海大学 | A kind of unicellular Microcystis aeruginosa flucculation process |
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Application publication date: 20160817 |
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