With the rapid development of my country's economy, the scale of farms is also expanding, making a large number of livestock and poultry manure sewage become a source of pollution. If the sewage gene
2020-07-08Polyacrylamide PAM is used in pharmaceutical plants. The bio-pharmaceutical industry is a large polluter. Not only is the concentration of organic pollutants in the discharged wastewater high, but it
2020-07-07At present, domestic and foreign industrial production methods of polyacrylamide are as follows.1. Aqueous solution polymerization methodAcrylamide aqueous jujube method is the main method used in ind
2020-07-061. This is a preparation method using a macromolecular reaction. The reaction of polyacrylamide with formaldehyde and dimethylamine is as follows:The product is a tertiary amine type, which can be eas
2020-07-04There are mainly partial hydrolysis products of polyacrylic acid, acrylic acrylamide copolymer and polyacrylamide. Although there are other carboxyl-containing monomers, they cannot be polymerized to
2020-07-02Polyacrylamide synthesis is a typical free radical polymerization, monomer acrylamide is a, β unsaturated amine, with two active centers (a vinyl grou..
2020-07-01Types and protection of acrylamide poisoning Clinically, acrylamide poisoning is often divided into subacute and chronic. Subacute poisoning: The concentration or dose of exposure to acrylamide is hig
2020-06-30The research results of Li Daping of Chengdu Institute of Biology, Chinese Academy of Sciences show that under natural conditions, polyacrylamide will undergo slow physical degradation (heat, shear),
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