http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Gaurav Singh,Priya G. Nakade,Dorothy Chetia,Preeti Jha,Ujjal Mondal,Saroj Kumari,Sujit Sen 한국공업화학회 2016 Journal of Industrial and Engineering Chemistry Vol.37 No.-
Hydrogen sulphide (H2S) removal and its efficient utilization is a big challenge for many petroleumrefinery industries now-a-days. The present investigation involves absorption of H2S in aqueousmethyldiethanolamine (MDEA) followed by sulphidation of benzyl chloride (BC) by H2S-rich MDEA toyield dibenzyl sulphide (DBS) selectively using tetrabutylphosphonium bromide (TBPB) as a phasetransfer catalyst. Ninety per cent selectivity of DBS was obtained at some level of process condition. Asuitable mechanism has been proposed. An empirical kinetic model was also developed and correlatedwith experimental data. The present work has a potential to be used as an alternative to Claus process.