September 2025

1. Definition and Purpose Defoamers (or antifoams) are chemical additives specifically designed to control and eliminate unwanted foam in industrial processes, with wastewater treatment being a primary application. During various stages of wastewater treatment, such as aeration, agitation, and biological processing, the presence of surfactants, proteins, and other surface-active agents can lead to persistent foam …

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Polyaluminium Chloride (PAC) Product Introduction I. Overview Polyaluminium Chloride (abbreviated as PAC), also known as basic aluminium chloride or polyaluminum chloride, is a highly efficient and broad-spectrum inorganic polymer coagulant. Compared to traditional inorganic coagulants (such as aluminum sulfate, ferric chloride), PAC offers the following significant advantages: Highly Effective Flocculation: Forms large, dense, and fast-settling flocs, …

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Polyacrylamide (often abbreviated as PAM) is a synthetic polymer that has become an indispensable tool across numerous industries. Its unique chemical properties, particularly its ability to interact with water and suspended particles, make it one of the most widely used water-soluble polymers in the world. Chemical Structure and Forms At its core, polyacrylamide is formed …

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