Abstract
At present, one of the most important problems is the growing of environment pollution of Urban Development. Wastewater treatment generated in the manufacture of medicines and biologically active additives is of great importance for water bodies' sanitary protection. The sorption method provides a high degree of weakly concentrated wastewater purification, the absence of secondary pollution and the possibility of returning valuable components and water to the production. The purpose of the study was to develop an adsorption technology for wastewater treatment in the pharmaceutical industry containing flavonoids using semi-coke. Results of the study: The results of complex studies of the flavonoids - quercetin adsorption and rutin on active charcoals differing in raw materials, method of production, structure and chemistry of the surface are presented. The main equilibrium, kinetic and dynamic process parameters are calculated for engineering calculations. Importance of the research: The technology of wastewater adsorption treatment from pharmaceutical industries with subsequent regeneration of active coals is proposed, which will provide protection against water pollution and resource saving. The performed work showed the prospects of using the semi-coke "Puroolat-Standard", which is characterized by higher adsorption capacity and lower cost
Highlights
The intensive industry development has a negative impact on the environment
According to the obtained experimental data on the quercetin and rutin adsorption by carbon sorbents, adsorption isotherms were constructed from solutions of individual substances (Fig. 1)
The initial section of the quercetin adsorption isotherm in the process of extracting the flavonoid studied by the "Puroolat-Standard" brand semi-coke is bent relative to the concentration axis and refers to the S-type isotherms according to the Gils classification., An inflection point is obtained in the process of substance concentration increasing
Summary
The intensive industry development has a negative impact on the environment. The main sources of aquatic environment pollution by organic components are industrial wastewater. The composition of industrial waste water depends on the nature of the production process. Pharmaceutical industries wastewater may contain various flavonoid compounds, which are a fairly widespread group of polyphenols used to produce medicines with a wide range of pharmacological effects. Among the methods used to extract valuable dissolved components from wastewater, sorption purification became widespread. The advantage of sorption cleaning is the possibility of adsorption of multicomponent mixtures’ substances, high efficiency of weakly concentrated wastewater purification and the possibility of creating environmentally friendly production facilities by returning purified water and valuable components to production
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