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Flocculating agent for textile sewage

A flocculant and sewage technology, applied in textile industry wastewater treatment, water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problems of strong corrosion of equipment, poor treatment effect, poor decolorization effect, etc., to achieve Fast coagulation effect, good decolorization effect, and small dosage

Inactive Publication Date: 2015-01-21
珠海立德环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, a single iron salt and aluminum salt are mainly used as chemical flocculants for the treatment of textile sewage. The dosage is large and the decolorization effect is poor. Not only the treatment effect is not good, but also it is highly corrosive to the equipment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment １

[0017] A textile sewage flocculant of the present invention comprises the following components by weight ratio: 25 parts of polyaluminum sulfate, 10 parts of sodium aluminate, 4 parts of activated silicic acid, 6 parts of diatomite and 10 parts of borax.

[0018] Add 600mg of flocculant per 1L of sewage.

Embodiment 2

[0020] A textile sewage flocculant of the present invention comprises the following components by weight: 30 parts of polyaluminum sulfate, 15 parts of sodium aluminate, 5 parts of activated silicic acid, 5 parts of diatomaceous earth and 8 parts of borax.

[0021] The flocculant also contains 5% sodium acetate by weight of the flocculant.

[0022] For the said textile sewage flocculant, 500mg of flocculant is dropped into every 1L of sewage.

Embodiment 3

[0024] A textile sewage flocculant of the present invention comprises the following components by weight ratio: 20 parts of polyaluminum sulfate, 15 parts of sodium aluminate, 3 parts of activated silicic acid, 8 parts of diatomaceous earth, and 5 parts of borax.

[0025] The flocculant also contains sodium acetate.

[0026] Sodium acetate accounts for 8% by weight of the flocculant.

[0027] For the said textile sewage flocculant, 300mg of flocculant is dropped into every 1L of sewage.

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PUM

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Abstract

The invention discloses a flocculating agent for textile sewage. The flocculating agent for the textile sewage comprises polymerization aluminum sulphate, sodium aluminate, activated silicate, diatomite and borax; components in the polymerization aluminum sulphate, the sodium aluminate, the activated silicate, the diatomite and borax are used for treating textile and dyeing wastewater under the mutually coordination action; the effect of agglomeration function is fast; the decolorizing effect is good; dosing is small; the flocculating agent for the textile sewage is suitable for textile wastewater that is large in water quality change; the flocculating agent is good in acid resistance and heat resistance, thereby being adaptive to wastewater with relatively large change in water temperature variation.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a textile sewage flocculant. Background technique [0002] Textile printing and dyeing wastewater mainly contains dirt, grease, salts on textile fibers, and various sizing, dyes, surfactants, auxiliaries, acids and bases added during processing. Textile printing and dyeing wastewater has the characteristics of large water volume, high content of organic pollutants, deep color, and large changes in water quality. It is a difficult industrial wastewater to treat. [0003] With the development of chemical fiber fabrics, the rise of imitation silk and the improvement of finishing requirements after printing and dyeing, a large number of refractory organic substances such as PVA size, rayon alkali hydrolyzate, new dyes, and auxiliaries have entered textile printing and dyeing wastewater. The processing technology poses serious challenges. In the prior art, the textile sewag...

Claims

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Application Information

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IPC IPC(8): C02F1/52C02F1/54C02F103/30
CPCC02F1/5236C02F2103/30C02F2303/00
Inventor 牟军平朱娜刘晓于春光
Owner 珠海立德环保科技有限公司
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