Choosing Rational Technologies for the Final Purification of Wastewater from the Production of Protective Coatings and Printed-Circuit Boards

IF 0.6 4区 工程技术 Q4 ENGINEERING, CHEMICAL Theoretical Foundations of Chemical Engineering Pub Date : 2025-03-17 DOI:10.1134/S0040579524601973
E. A. Uretskii, I. V. Nikolenko, V. V. Moroz, T. I. Akulich
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Abstract

A number of versions of a process flow diagram for the post-treatment of wastewater from the production of protective coatings and printed circuit boards are considered. It is shown that the choice of water treatment flow diagram depends mainly on the quality of the initial wastewater composition and on the requirements for the treated water. In this case, the simplest solution to the problem consists in separating the flows of the least polluted wastewater and in returning them after treatment to the lines of industrial water supply. As an alternative solution, joint reagent treatment of all the types of wastewater followed by post-treatment with the use of ion-exchange methods is proposed. However, staged wastewater treatment, wherein water is prepared in accordance with the technological requirements for the corresponding industries may represent a more flexible and cost-effective system.

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选择最终净化保护涂层和印刷电路板生产废水的合理技术
考虑了保护涂层和印刷电路板生产废水后处理的若干版本的工艺流程图。结果表明,水处理流程图的选择主要取决于初始废水成分的质量和对处理后水的要求。在这种情况下,解决这个问题的最简单的办法是把污染最少的废水分离出来,并在处理后把它们送回工业供水管道。作为一种替代方案,提出了联合试剂处理所有类型的废水,然后使用离子交换法进行后处理。然而,分级污水处理,即按照相应行业的技术要求制备水,可能是一种更灵活、更具成本效益的系统。
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来源期刊
CiteScore
1.20
自引率
25.00%
发文量
70
审稿时长
24 months
期刊介绍: Theoretical Foundations of Chemical Engineering is a comprehensive journal covering all aspects of theoretical and applied research in chemical engineering, including transport phenomena; surface phenomena; processes of mixture separation; theory and methods of chemical reactor design; combined processes and multifunctional reactors; hydromechanic, thermal, diffusion, and chemical processes and apparatus, membrane processes and reactors; biotechnology; dispersed systems; nanotechnologies; process intensification; information modeling and analysis; energy- and resource-saving processes; environmentally clean processes and technologies.
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