Study on the solvent extraction of thioarsenite in alkaline solutions with transformed quaternary ammonium salt was written by Tian, Lei;Huang, Lin Qing;Xu, Jiacong;Yu, Xiaoqiang;Xu, Zhifeng. And the article was included in Hydrometallurgy in 2021.Reference of 5137-55-3 The following contents are mentioned in the article:
Under the advocacy of the sustainable development concept, the extraction process and reaction mechanism for arsenic in alk. solution were studied with the aim of optimizing the alk. leaching process of high-arsenic copper smelting ash and promoting the recovery and harmlessness of arsenic. At 25°C, the extractant methyltrioctylammonium underwent 6-8 conversions of Na2CO3 solution with a concentration fraction of 12%, and the extraction capacity of thioarsenite was increased to 86.91%. Furthermore, at 25°C, at an O/A ratio of 1:1 and an phase contact time of 7 min, the thioarsenite stripping exceeded 99%, when using 4% H2O2 + saturated Na2CO3 solution as the stripping. Fourier transform IR spectroscopy, nuclear magnetic spectroscopy, UV spectroscopy, and other anal. methods were used to determine the mechanism of the extraction process. It was evident from our experiments that the CO2-3-type TOMAC and Na2CO3 solutions could be recycled and reused repeatedly. The overall process required simple materials and did not generate liquid waste. The technique involves a short process, with superior cycle performance, low cost, and high efficiency. This study involved multiple reactions and reactants, such as N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3Reference of 5137-55-3).
N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3) belongs to organic chlorides. Chlorination modifies the physical properties of hydrocarbons in several ways. These compounds are typically denser than water due to the higher atomic weight of chlorine versus hydrogen. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. However, the extent of chlorination is difficult to control.Reference of 5137-55-3
Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics