Можливості повторного використання відпрацьованих сорбентів для очистки стічних вод від сульфід- та купрум-іонів

Abstract

Environmental pollution by solid industrial waste and wastewater creates a significant burden on the environment. Wastewater from oil refineries that purify crude oil and machine-building plants that have electroplating production facilities contain sulphide ions and heavy metal ions and must be subjected to deep purification. The method of sorption of pollutants on various sorbents is widely used for wastewater purification. Modern research is aimed at using cheaper and simpler materials as sorbents. The possibility of reusing a spent mixture of activated carbon and kieselguhr for wastewater purification from sulphide and copper ions has been investigated. The effect of thermochemical activation of a spent mixture of sorbents on the process of wastewater purification from sulphide ions has been studied, and the regenerated sorbent has been modified with sulphide ions for wastewater purification from copper ions.