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Water treatment agent applied to circulating water system in paint shop

A circulating water system and water treatment technology, applied in the field of environmental pollution control, can solve the problems of secondary pollution of circulating water, non-biodegradable, incomplete viscosity reduction of paint mist, etc., and achieve the effect of reducing maintenance costs and reducing the difficulty of cleaning

Active Publication Date: 2010-06-09
SHANGHAI LICHANG ENVIRONMENTAL ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing water treatment agents used in the circulating water of the painting workshop contain harmful substance formaldehyde, the viscosity of the paint mist is not completely reduced, and it cannot be biodegraded, causing secondary pollution to the circulating water and affecting the subsequent treatment of the circulating water.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0021] The dibasic ester mixture adopts three biodegradable dibasic ester mixtures DBE-IB, the surfactant adopts the nonionic surfactant PCA-1550 with a molecular weight of 4000, and the inorganic coagulant aid adopts aluminum chloride. The following samples can be prepared in proportion.

[0022]

[0023] Samples A-F were colorless transparent liquids.

example 2

[0025] The dibasic ester mixture adopts three kinds of biodegradable dibasic ester mixture DBE-IB, the surfactant adopts nonionic surfactant PCA-1550 with a molecular weight of 4000, and the inorganic coagulant aid adopts aluminum sulfate. The following samples can be prepared in proportion.

[0026]

[0027] Samples G-L are light green transparent liquids.

example 3

[0029] The dibasic ester mixture adopts three biodegradable dibasic ester mixtures DBE-IB, the surfactant adopts nonionic surfactant PCA-1550 with a molecular weight of 4000, and the inorganic coagulant aid adopts polyaluminum chloride. The following samples can be prepared in proportion.

[0030]

[0031] Samples M-R are pale yellow transparent liquids.

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PUM

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Abstract

The invention provides a water treatment agent having good adhesion-losing and agglomerating functions to paint mist generated in the constructions of solvent-borne type and water-based paints. The water treatment agent is mainly applied to a wet type paint mist removing circulating water system in a paint shop. The water treatment agent has a simple production process and a low cost, uses a biodegradable material as a main raw material, avoids the secondary pollution generated in water during medicament application, and effectively protects the environment.

Description

Technical field: [0001] The invention belongs to the technical field of environmental pollution control and is mainly applied to a wet-type paint mist removal circulating water system in a painting workshop. Background technique: [0002] In the automobile, home appliance, furniture industry and some plastic processing industries, most of the painting operations adopt modern spraying technology, and are carried out in closed container spray booths or paint workshops, and are equipped with corresponding air supply and exhaust systems. Wet paint mist removal system. The main purpose of this wet paint mist removal system is to remove the overspray paint mist to protect the health of the on-site painting workers and prevent the overspray paint mist from polluting the parts to be sprayed. The wet spray booth often used in painting operations uses water as an absorbent to form circulating water in the spray booth. Its working principle is: the paint mist is in contact with the wa...

Claims

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Application Information

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IPC IPC(8): C02F1/54C02F101/30
Inventor 常立谢爱军芦洪涛尤国彪高素萍董爱想杨磊管留忠
Owner SHANGHAI LICHANG ENVIRONMENTAL ENG
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