The results of the research of the adsorption capacity of a number of sorbents of natural and synthetic origin for ammonium ions have been clustered. The natural zeolite of the Sokyrnytsia deposit, a synthetic sorbent based on the fly ash of Dobrotvir state district heat power plant, Al2O3, SiO2, as well as some types of soil: sandy soil, black soil, and clay were used in the research. Equations describing the regularities of adsorption processes depending on the type of sorbent were obtained. According to the obtained dendrograms, two main clusters of sorbents were identified.
The dependence of molybdate ion sorption in co-precipitated iron and manganese hydroxides (CPH) on the value of pH solutions and the salt background has been described. Industrial wastes of manganese sulfate MnSO4•5H2O (from hydroquinone production) and iron sulfate FeSO4•7H2O (waste production of titanium dioxide pigment) were used for the obtaining of CPH hydroxides.
Studies prospects of using waste to produce natural sorbents gypsum binder, their influence on the rheological and physico-mechanical properties.
The different methods of water purification from bacteria of the genus Bacillus are observed. The comparative characteristics of these methods is made. Розглянуто різні методи очищення води від бактерій роду Bacillus. Зроблена порівняльна характеристика цих методів.