Common use of cations Generally, cationic polyacrylamide is used as a dewatering conditioner for sludge in water plants. However, water plants only use a little desludge agent in the pre-stage, and generally do not use it in the later stage, because there is not so much sludge in water plants. It is generally used in …
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Coagulation: The process of aggregating colloidal particles and tiny suspended solids in water by some method (such as adding chemical agents). Coagulation includes two processes: coagulation and flocculation. Coagulation mainly refers to the process of destabilizing colloids and generating tiny aggregates, and flocculation mainly refers to the process of destabilizing colloids or tiny suspended solids …
Commonly used agents for slaughterhouse wastewater treatment: Flocculating agent: Sometimes also called coagulant, it can be used as a means to strengthen solid-liquid separation, and is used in primary sedimentation tanks, flotation machines, tertiary treatment or deep treatment. Mainly polyacrylamide and sodium polyacrylate. Coagulant: Assists flocculants to play a role and strengthens the coagulation effect. …
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Chemical wastewater refers to the wastewater generated during the production process of chemical plants, such as the production of ethylene, polyethylene, rubber, polyester, methanol, ethylene glycol, oil tank areas, air separation and air compressor stations and other oily wastewater devices. wastewater produced. Biochemical treatment can generally meet the national secondary discharge standards. Now due to …
Dissolution method of PAM PAM is an organic polymer compound, and the molecular weight of most products is in the millions or even close to 20 million. Therefore, its method is very different from the method of dissolving small inorganic molecules with iron and aluminum salt coagulants. The principles are as follows: 1. Polyacrylamide flocculant …
On-site debugging of piling and friction piles in a certain area. The main purpose of polyacrylamide powder is to form a colloid after dissolving with water to form a protective layer on the well wall to prevent collapse, thereby improving work efficiency. It is generally aimed at strata with unstable sediment layer structures. For example, …
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Construction mud treatment is an inevitable link in construction engineering, its purpose is to remove solid particles and organic matter in the mud to purify water quality. Construction mud contains high concentrations of suspended particulate matter and organic matter, if not treated, will cause pollution to the environment. Therefore, the process of construction mud treatment …
Polyacrylamide applications Polyacrylamide (PAM) is a linear polymer with a wide range of industrial applications. It is a hard glassy solid at room temperature and can be dissolved in water in any proportion to form a uniform and transparent liquid. The following are the applications of polyacrylamide in different fields: Oil extraction. Polyacrylamide is used …
Analysis of treatment process characteristics of domestic sewage treatment equipment: 1. AO process: also called anaerobic and aerobic processes. In the anaerobic section, anaerobic bacteria hydrolyze and acidify starch and carbohydrate-soluble organic matter in domestic sewage, and degrade large molecular organic matter into small molecular organic matter to improve subsequent aerobic treatment capabilities. The AO …
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