Environmentally-friendly flocculating agent and preparation method thereof

A flocculant and environmental protection technology, applied in the field of environmental protection flocculants and their preparation, can solve the problems of high drug consumption, slow flocculation sedimentation speed, low treatment efficiency, etc., and achieve the effects of improving emulsifying power, short sedimentation time and simple formula

Inactive Publication Date: 2017-11-24
钟传新
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the current disadvantages of slow flocculation and sedimentation and high drug consumption
Polymer flocculants such as basic polyaluminum chloride (PAC), polyaluminum sulfate, polyferric sulfate, etc., overcome the disadvantages of low processing efficiency of low molecular flocculants, but their cost is high, and when low temperature and low turbidity Poor processing effect
Organic flocculants are generally polymers, such as polyamine flocculants, quaternary ammonium starch-based flocculants, and polyacrylamide flocculants. Among them, polyacrylamide has the advantages of less dosage, strong ability to clarify water quality, and fast flocculation speed. It is not easily affected by the pH value of water, and the amount of sludge generated is less, which has been widely used. However, polyacrylamide has strong neurotoxicity and certain carcinogenicity. When a large amount of polyacrylamide is used to treat wastewater, it will produce polymer residues. , destroying the biological chain of the water body, thereby affecting human health

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The environmental protection flocculant of the present embodiment is made of the following raw materials: fly ash 5kg, potassium aluminum sulfate 15kg, bentonite 5kg, polyvinylpyrrolidone 10kg, chitosan 4kg, polyvinylpyrrolidone 15kg, ammonium persulfate 4kg, sulfuric acid Aluminum sodium 12kg, styrene sulfonate 3kg and water 150kg.

[0017] The preparation method of above-mentioned environment-friendly flocculant comprises the following steps: get the raw material of following weight: fly ash 5kg, potassium aluminum sulfate 15kg, bentonite 5kg, polyvinylpyrrolidone 10kg, chitosan 4kg, polyvinylpyrrolidone 15kg, ammonium persulfate 4kg , sodium aluminum sulfate 12kg, styrene sulfonate 3kg, after mixing evenly, pulverize, add the water that weight is 150kg, after ball milling, dry, pass through 100 mesh sieves, obtain described environment-friendly flocculant.

[0018] After draining 200mL of soil sludge, set up experimental group 1 and experimental group 2: experimental...

Embodiment 2

[0022] The environmental protection flocculant of the present embodiment is made of the following raw materials: fly ash 10kg, potassium aluminum sulfate 10kg, bentonite 10kg, polyvinylpyrrolidone 8kg, chitosan 6kg, polyvinylpyrrolidone 10kg, ammonium persulfate 7kg, sulfuric acid Aluminum sodium 8kg, styrene sulfonate 6kg and water 125kg.

[0023] The preparation method of the environment-friendly flocculant of above-mentioned embodiment comprises the following steps: get the raw material of following weight: fly ash 10kg, potassium aluminum sulfate 10kg, bentonite 10kg, polyvinylpyrrolidone 8kg, chitosan 6kg, polyvinylpyrrolidone 10kg, over 7kg of ammonium sulfate, 8kg of sodium aluminum sulfate, and 6kg of styrene sulfonate were uniformly mixed, pulverized, added with 125kg of water, ball milled, dried, and passed through a 150-mesh sieve to obtain the environmentally friendly flocculant.

[0024] After draining 200mL of soil sludge, set up experimental group 1 and experime...

Embodiment 3

[0028] The environmental protection flocculant of the present embodiment is made of the following raw materials: fly ash 15kg, potassium aluminum sulfate 5kg, bentonite 15kg, polyvinylpyrrolidone 5kg, chitosan 8kg, polyvinylpyrrolidone 5kg, ammonium persulfate 10kg, sulfuric acid Aluminum sodium 4kg, styrene sulfonate 9kg and water 100kg.

[0029] The preparation method of the environment-friendly flocculant of above-mentioned embodiment comprises the following steps: get the raw material of following weight: fly ash 15kg, potassium aluminum sulfate 5kg, bentonite 15kg, polyvinylpyrrolidone 5kg, chitosan 8kg, polyvinylpyrrolidone 5kg, over 10kg of ammonium sulfate, 4kg of sodium aluminum sulfate, and 9kg of styrene sulfonate were uniformly mixed, pulverized, added with 100kg of water, ball milled, dried, and passed through a 200-mesh sieve to obtain the environmentally friendly flocculant.

[0030] After draining 200mL of soil sludge, set up experimental group 1 and experiment...

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PUM

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Abstract

The invention discloses an environmentally-friendly flocculating agent and a preparation method thereof, and belongs to the field of water treatment agents. The environmentally-friendly flocculating agent comprises, by weight, 5-15 parts of fly ash, 5-15 parts of potassium aluminum sulfate, 5-15 parts of bentonite, 5-10 parts of polyvinylpyrrolidone, 4-8 parts of chitosan, 5-15 parts of vinylpyrrolidone, 4-10 parts of ammonium persulfate, 4-12 parts of sodium aluminum sulfate, 3-9 parts of styrene sulfonate and 100-150 parts of water. The environmentally-friendly flocculating agent has the advantages of short flocculation and precipitation time, good effect, low cost, improvement of the active emulsifying power of water molecules, and degradation of harmful substances and heavy metals in the water, can effectively treat high-concentration and high-turbidity wastewater and non-degradable wastewater, and can be widely used in the treatment of municipal sewage and various industrial wastewaters and the treatment of polluted river and lake water.

Description

technical field [0001] The invention relates to an environment-friendly flocculant and a preparation method thereof, belonging to the field of water treatment agents. Background technique [0002] Coagulation treatment is one of the key links in wastewater treatment, which can remove turbidity and pollution, and reduce the pollution load of subsequent sewage treatment. The flocculant is the key factor to determine the effect of coagulation treatment, and has an important impact on the operation status of the subsequent process, the final effluent water quality and cost. According to its chemical composition, flocculants can be generally divided into two types: inorganic flocculants and organic flocculants. Inorganic flocculants include inorganic coagulants and inorganic polymer flocculants; organic flocculants include synthetic organic polymer flocculants, natural organic polymer flocculants and microbial flocculants. Flocculants are mainly groups with positive (negative) ...

Claims

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Application Information

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IPC IPC(8): C02F1/52C02F1/54C02F1/56C02F101/20
CPCC02F1/52C02F1/5236C02F1/54C02F1/56C02F2101/20C02F2103/007
Inventor 钟传新
Owner 钟传新
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