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Preparation method of inorganic/organic flocculating agent compounded water purifying agent

The technology of a coagulant and a water purifying agent is applied in the field of preparation of a compound water purifying agent, which can solve the problems of low turbidity reduction rate, poor function and effect, complicated production process, etc., and achieves low cost and excellent purification effect. , the effect of simple processing technology

Inactive Publication Date: 2016-05-11
ZHEJIANG TAI CHUEN NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

No matter what kind of water purifier, adding a water purifier during the treatment process can always maximize the cleaning effect, but the current water purifier is not perfect, and the commonly used PAC water purifier has no effect. Not good, the turbidity reduction rate is not high, and the current production process is cumbersome, and the finished product is not high

Method used

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  • Preparation method of inorganic/organic flocculating agent compounded water purifying agent
  • Preparation method of inorganic/organic flocculating agent compounded water purifying agent
  • Preparation method of inorganic/organic flocculating agent compounded water purifying agent

Examples

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Embodiment 1

[0012] The preparation method of the compound water purifying agent of the inorganic / organic coagulant comprises the following steps: (a) adding 25% of the inorganic coagulant to the mixer; the inorganic coagulant is polyaluminum chloride, polyferric sulfate, sulfuric acid Choose one of aluminum and ferric chloride, (b) start stirring, and heat up: the stirring speed is 50 rpm; the temperature in the mixer is raised to 60°C; (c) add 40% PDMDAAC polymer (silver water No. 1): mixing for 1.5 hours; (d) adding organic coagulant: adding 5% diethyl diallyl ammonium chloride polymer and 30% hydroxypropyl dimethyl ammonium chloride polymer; (e ) mixing: stirring and mixing for 0.5 hours, the solid content of the diethyldiallylammonium chloride polymer is 90%, the particle size (180um screen) is 90%, PH (1%): 3, The solid content of hydroxypropyl dimethyl ammonium chloride polymer is 90%, the particle size (180um mesh) is 90%, and the pH (1%): 3. Finally, the "Dachuanmei" composite wa...

Embodiment 2

[0016] The preparation method of the compound water purifying agent of the inorganic / organic coagulant comprises the following steps: (a) adding 35% of the inorganic coagulant to the mixer; the inorganic coagulant is polyaluminum chloride, polyferric sulfate, sulfuric acid Choose one of aluminum and ferric chloride, (b) start stirring, and heat up: the stirring speed is 200 rpm; the temperature in the mixer is raised to 70°C; (c) add 35% PDMDAAC polymer (silver water No. 1): mixing for 2 hours; (d) adding organic coagulant: adding 7% diethyl diallyl ammonium chloride polymer and 23% hydroxypropyl dimethyl ammonium chloride polymer; (e ) mixing: stirring and mixing for 0.7 hours, the solid content of the diethyldiallylammonium chloride polymer is 95%, the particle size (180um screen) is 95%, PH (1%): 5, Water-soluble matter (%): 1, the solid content of hydroxypropyl dimethyl ammonium chloride polymer is 95%, the particle size (180um screen) is 95%, PH (1%): 5, water-soluble mat...

Embodiment 3

[0020] The preparation method of the compound water purifying agent of inorganic / organic coagulant comprises the following steps: (a) adding 45% inorganic coagulant to the mixer; the inorganic coagulant is polyaluminum chloride, polyferric sulfate, sulfuric acid Choose one of aluminum and ferric chloride, (b) start stirring, and heat up: the stirring speed is 350 rpm; the temperature in the mixer is raised to 80°C; (c) add 20% PDMDAAC polymer (silver water No. 1): mixing for 2.5 hours; (d) adding organic coagulant: adding 10% diethyl diallyl ammonium chloride polymer and 25% hydroxypropyl dimethyl ammonium chloride polymer; (e ) mixing: stirring and mixing for 1 hour, the solid content of the diethyldiallylammonium chloride polymer is 100%, the particle size (180um screen) is 100%, PH (1%): 7, Water-soluble matter (%): 2, the solid content of hydroxypropyl dimethyl ammonium chloride polymer is 100%, the particle size (180um screen) is 100%, PH (1%): 7, water-soluble matter (% ...

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Abstract

The invention relates to the technical field of chemical production, relates to a production method, and especially relates to a preparation method of an inorganic / organic flocculating agent compounded water purifying agent. The preparation method comprises the following steps: 1, adding 10-45% of an inorganic coagulant to a mixer; 2, starting stirring, and heating, wherein the stirring rotating speed is 50-350r / m; 3, adding 20-60% of a PDMDAAC polymer; 4, adding 5-10% of an organic flocculating agent; and 5, mixing above materials. The preparation method allows a cationic fixing agent emulsion with the advantages of simple processing process, convenient preparation and high yield to be prepared; and the compounded water purifying agent is added to purify, the purifying effect is excellent, and the turbidity reduction rate is 95% or above.

Description

technical field [0001] The invention relates to the technical field of chemical production, and relates to a production method, in particular to a preparation method of a compound water purifier of an inorganic / organic coagulant. Background technique [0002] Water purifiers are chemicals that can react with other impurities in water when put into water. Mainly for the purpose of water purification. It has good water purification effect, fast water purification speed, weak acidic pH, inorganic, high safety, no secondary pollution, and is a green environmental protection product. Using natural materials with adsorption capacity as raw materials, it has a strong purification effect and can remove heavy metals in water. The treated raw water is not affected by water temperature and pH value, and has a wide range of applications. The treated water is extremely transparent and can be reused. Commonly used water purifiers include polyaluminum chloride, polyaluminum ferric c...

Claims

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Application Information

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IPC IPC(8): C02F1/52
CPCC02F1/52
Inventor 俞益平周铁林徐小云
Owner ZHEJIANG TAI CHUEN NEW MATERIAL TECH CO LTD
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