Search academic texts

Information × Registration Number 0219U100473, 0118U100296 , R & D reports Title Development of technological fundamentals for production multi-purpose hybrid sorbents from waste sludge of alumina production popup.stage_title Head Mieshkovа-Klymenko Arkаdiivnа Nаtаliia A., Доктор хімічних наук Registration Date 13-02-2019 Organization A.V Dumansky Institute of Colloid Chemistry and Water Chemistry popup.description2 Object of study: processes of acid neutralization of red mud from alumina production; modification of activated carbon (AС) by neutralization products; processes for the preparation and use of composite coagulant. Objective: to determine the effectiveness of the use of sorbents and coagulants obtained using the products of neutralization of waste alumina production, for the simultaneous extraction of organic and inorganic impurities from water by sorption methods; determination of the effectiveness and specificity of the use of composite coagulants in the purification of natural and waste waters. Research methods: acid treatment, heat treatment of samples, modification of activated carbon; coagulation; electrochemical coagulant production processes; methods for assessing the structural sorption properties of modified sorbents. Main results: the efficiency of purification of natural and waste waters by the methods of sorption and coagulation was evaluated using materials derived from the use of red mud neutralization products. Modified AС samples with different contents of the composite catalyst based on Fe2O3 were obtained. Modification of AU was carried out in an energy-intensive reactor with a heating temperature in the range (200-700) ° C. The efficiency of sorbents in the extraction of both organic and inorganic compounds from water was evaluated. The effectiveness of the use of composite coagulant and the specifics of its use in the purification of high-color Dnieper water are investigated. A process flowchart for obtaining a composite coagulant is proposed. Application: water supply and water treatment.  Product Description popup.authors popup.nrat_date 2020-04-02 Close