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5 major misunderstandings in the selection of polyacrylamide (PAM) 1: The larger the molecular weight, the better the effect Many users mistakenly believe that the higher the molecular weight of PAM, the better the flocculation efficiency and treatment effect. However, in fact, the best flocculation effect under different water quality conditions may correspond to a …

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Polyacrylamide (PAM) dosing conditions Dissolution conditions: ○ Water quality: The water used to dissolve PAM should be clean, neutral, and free of salt impurities. Avoid using water containing iron ions or other impurities that may react with PAM. ○ Temperature: It is usually recommended to dissolve PAM between 5℃ and 60℃. Too low a temperature …

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How to accurately select the type of PAM flocculant in sewage treatment? Suspended solids (SS) and turbidity: For sewage containing a large number of fine, difficult-to-sediment suspended particles, high molecular weight, high hydrolysis degree anionic PAM should be selected, because it has good bridging adsorption and net capture effects, and can effectively condense and precipitate …

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There are two main types of flocculants used in the treatment of coal mine wastewater: inorganic flocculants and organic flocculants. In coal mine coal washing and wastewater treatment, polyacrylamide (PAM) is one of the most common types of organic flocculants. The following is a specific classification and its application in coal mine wastewater treatment: 1. …

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Everyone knows that sewage treatment is inseparable from the flocculant polyacrylamide, or PAM. Polyacrylamide is widely used in water treatment, the textile industry, oil mining, printing and dyeing industry, paper industry, mineral processing, coal washing, breeding, building materials and other industries. It is known as an all-round product and is known as “auxiliary for all …

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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 …

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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 …

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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 …

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