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Information × Registration Number 0203U008656, 0102U000736 , R & D reports Title The elaboration of new coagulantes and floculantes for effective technologys of purification sewage and utilization of scraps popup.stage_title Head Gomelya Mikola Dmitrovich, Registration Date 22-12-2003 Organization National Technical University of Ukraine "Kiev Polytechnic Institute" popup.description2 The new method of receiving оf hydroxychlorides and hydroxysulfutes of aluminium is developed at interplay of sulphate of aluminium with alcalinous reagents (CaO, МgO, СаСО3) at usage of hydrochloric acid at receiving of hydroxychlorides of aluminium. And also the new method of receiving of hydroxychlorides of aluminium from hydroxide of aluminium and hydrochloric acid is developed at usage of heightened stress at the maiden stage of process and vacuum at the second stage of process. The processes of a clearing of waste water by assertion and infiltration are learnt. The best outcomes are received at usage 1/3 and 5/6 of hydroxychlorides of aluminium. On an example of model solutions of bentonite and humate of sodium in water is exhibited, that the efficiency of withdrawal of fluidized fragments is higher at usage of hydroxychlorides of aluminium. The processes of dehydration of wet sediments with the help of coagulants are investigated, is established, that the efficiency of process is augmented at increase of a dose and basic capacity of coagulant. The new method of receiving of flocculents is developed at interplay of amines, their mixtures with epichlorides at a parity of reagents from 1:1 up to 1:1,5. The water soluble polymers are received at interplay of ethylene carboxylic acid with diethylenthreeamin and aniline with formaldehyde. The processes of a clearing of natural water with usage of new and known flocculents are learnt. Is exhibited, that the datas reagents are effective at withdrawal of fluidized fragments and influence a chromacity of water a little. The new methods of updating of polyacrylamid are developed at usage accessible of reagents - ammonia, formaldehyde. Is established(installed), that the new flocculents and products of updating of polyacrylamides effectively influence processes of dehydration of sediments. On occassion recalcitrance to infiltration a settling is depressed in tens time. Is exhibited, that a number(line) of new flocculents is organized by(with) complexes with ferrocyanide of nickel. They ensure effective of clearing of water containing isotopes of cesium and strontium. Product Description popup.authors popup.nrat_date 2020-04-02 Close