T. K. Menshchikova, L. A. Vaymugin, K. S. Nikonov, O. E. Myslitsky, M. N. Brekhovskikh
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Technology for Processing Hydrolytic Sodium Arsenite to Produce Arsenic Acid Solutions
Hydrolytic sodium arsenite (HSA), a product of chemical weapons destruction, contains a significant amount of arsenic, which can be used for the growth of single crystals and epitaxial layers of AIIIBV-type semiconductors and solid solutions based on them. A process is proposed for producing an arsenic acid solution from HSA using a highly concentrated hydrogen peroxide solution as an oxidizing agent. This technique can be applied in the 6N purity arsenic production.
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.