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Circulating cooling water biological slime stripping agent and method for stripping slime in circulating cooling water system

A technology of circulating cooling water and biological slime, applied in water/sludge/sewage treatment, chemical instruments and methods, detergent compositions, etc., can solve problems such as shortened service life, inapplicability, and environmental pollution, and achieve Reduces deposition, removes thoroughly, and enhances the effect of slime removal

Active Publication Date: 2015-04-15
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that trihydroxymethylnitromethane will slowly decompose and release formaldehyde in slightly alkaline solution, and the service life will be shortened, so it is not suitable for slightly alkaline circulating water
[0008] In order to remove the slime in the circulating cooling water system, the existing slime stripper needs to use a large amount of chemically synthesized surfactants, which will cause serious pollution to the environment. With the enhancement of human environmental protection awareness, it is urgent to develop a It can effectively strip the slime in the circulating cooling water system and is an environmentally friendly slime stripping agent

Method used

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  • Circulating cooling water biological slime stripping agent and method for stripping slime in circulating cooling water system
  • Circulating cooling water biological slime stripping agent and method for stripping slime in circulating cooling water system
  • Circulating cooling water biological slime stripping agent and method for stripping slime in circulating cooling water system

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Experimental program
Comparison scheme
Effect test

Embodiment 1-10 and comparative example 1-6

[0029] At normal temperature (25°C), take each component according to the mixing ratio of the formula in Table 2, stir and mix evenly, and obtain a circulating cooling water biological slime stripping agent.

[0030] Table 2

[0031]

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PUM

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Abstract

The invention discloses a circulating cooling water biological slime stripping agent. Specifically, the biological slime stripping agent contains an alkylaryl sulfonate anionic surfactant, a biological surfactant and a penetrating agent. The invention also provides a method for stripping slime in a circulating cooling water system. The method includes putting the circulating cooling water biological slime stripping agent into circulating cooling water. The biological slime stripping agent provided by the invention can effectively strip the biological slime deposited on the equipment and pipeline inner walls of a circulating cooling water system. And by adopting the biodegradable and environmental friendly biological surfactant to replace parts of chemical synthesis surfactants, the dosage of chemical synthesis surfactants can be reduced, and at the same time, a good biological slime stripping effect can be achieved, and secondary pollution to the environment can be reduced.

Description

technical field [0001] The invention relates to a biological slime stripping agent and a method for stripping slime in a circulating cooling water system, in particular to an environmentally friendly biological slime that is suitable for circulating cooling water and can effectively strip the slime in a circulating cooling water system. A mud stripping agent and a method for stripping slime in a circulating cooling water system using the same. Background technique [0002] In the treatment of industrial cooling water, problems of corrosion, scaling and slime are often encountered. With the improvement of water treatment technology, most of the problems of corrosion and scale inhibition of cooling water have been better solved, but the problem of slime and bacteria and algae in the system is more prominent, especially in the case of material leakage, the slime often peels off not good. Once a large amount of microbial slime is formed, it will not only reduce the cooling eff...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F5/10C11D1/83C11D3/34C11D3/28F28G9/00
Inventor 王洪英魏新胡艳华郦和生
Owner CHINA PETROLEUM & CHEM CORP
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