Use of defoamers
author: Leo
2025-08-08
Basic requirements for defoamers:
- Possessing low surface tension and interfacial tension;
- Being insoluble in the foaming liquid;
- Having good dispersibility in the foaming liquid.
Main application fields:
- Petroleum industry: drilling, extraction, and refining processes;
- Paper industry: pulp black liquor treatment, papermaking process, and sewage treatment;
- Fermentation industry: production of amino acids (e.g., monosodium glutamate) and organic acids (e.g., citric acid);
- Industrial cleaning: cleaning scenarios such as mechanical processing, circuit boards, and beer bottles;
- Chemical production: latex production and PVC production;
- Textile printing and dyeing industry;
- Sewage treatment field;
- Coating industry: production and application processes of latex paints, paints, inks, etc.
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