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PHOSPHOR CONTAINING IONIT FOR PEELINGS OF THE SEWAGE IS MINING INDUSTRY

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Technical science and innovation

Technical science and innovation

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The article discusses the results of a study of the laws of ion-exchange wastewater treatment of oil refineries with new ion exchangers. The ion-exchange resins (ion exchangers) developed on the basis of quaternary phosphonium salts are presented - solid hygroscopic gels, insoluble in water and ordinary solvents. The mechanism and patterns of ion-exchange treatment of industrial wastewater from the oil refining industry, with new ion exchangers developed on the basis of quaternary phosphonium salts (MCFS) with divinylbenzene (DVB) and methyl methacrylate (MMA), are studied.It has been established that for the treatment of wastewater after oil refining, freshly prepared ion-exchange resin should be used, since even slight coacidification with air reduces its ion-exchange ability. It was determined that an increase in NAOH consumption practically does not change the exchange capacity of the ion exchanger. It is shown that the ion exchange process is the diffusion of dissolved electrolyte ions to the surface of sorbent grains. The possibilities of chemical modification of copolymers and ion exchangers based on them, used for ion-exchange wastewater treatment of oil refining and chemical industries, are determined. It has been noted that when treating industrial wastewater from oil refining enterprises with developed ion-exchange resins, the efficiency of metal ion extraction is significantly increased. Specific areas of application of modified polymer ion exchangers are given.

AUTHORS

M.Ayupova

TDTU

Tags

# filtrate# ion-exchange purification# metal-containing wastewater# polymer ion exchangers# comonomer# copolymerization

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https://eroi.uz/11.0008/A0120-0095

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