MULTIFUNCTIONAL SORBENTS BASED ON REFRACTORY CLAYS FOR CHEMICAL INDUSTRY WASTEWATER TREATMENT
Smailov B.M. Tleuov A.S. Beisenbayev O.K. Tleuova S.T. Yeskendirova M.M. Userbaeva B.A.
2022Rasayan Journal of Chemistry, c/o Dr. Pratima Sharma
Rasayan Journal of Chemistry
2022#15Issue 21085 - 1090 pp.
This article provides information on the technology of obtaining multifunctional sorbents based on natural and technogenic raw materials for the treatment of wastewater from chemical enterprises. The article contains results of thermodynamic studies of the aluminosilicates and aluminum silicates formation in the presence of oil sludge in the range of 323-1323K; they are characterized by high negative Gibbs energies, that indicates the thermodynamic probability of these chemical reactions. To determine the physical and mechanical parameters of activated bentonite clays with the addition of oil sludge, the effect of granules’ density, specific surface area and average diameter was studied. As it was determined on the basis of experimental data and results of mathematical planning, the wastewater purification degree from P2O5 reaches its maximum value (99.5%) at pH of 4.4-4.6. In this case, the total content of calcium oxide and phosphorus pentoxide depends on the mass of the precipitate formed and the pH of the test solution after the sorption purification. The results obtained indicate the possibility of using the developed sorbents for high-quality sorption treatment of industrial wastewater.
Activation , Adsorption , Bentonite , Multifunctional Sorbent , Oil Sludge , Refractory Clay , Sorbent , Swelling , Wastewater Treatment
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M. Auezov South Kazakhstan University, Shymkent, Kazakhstan
M. Auezov South Kazakhstan University
10 лет помогаем публиковать статьи Международный издатель
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