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- Title
Removal of hydrogen sulphide from high salinity wastewater by emulsion liquid membrane.
- Authors
Yaoqiang, Hu; Ningsheng, Zhang; Chengtun, Qu; Fei, He; Yongli, Yan
- Abstract
This article presents a experimental study on the removal of hydrogen sulphide (H2S) from high salinity wastewater by emulsion liquid membrane (ELM). The ELM contains diethanolamine (DEA) as carrier, kerosene as solvent and span 80 as surfactant. The fundamental parameters (viz. surfactant concentration, carrier concentration, strip phase concentration, phase ratio, agitation speed and time) affecting the removal of H2S were investigated to select the optimum combination of process parameters. The results showed the optimal governing parameters were: inner phase NaOH aqueous solution 2.0 wt%, Surfactant (span 80) 5.0 vol%, carrier (DEA) 6.0 vol%, treat ratio 1:5, agitation speed 250 rpm, agitation time 15 min, respectively, and removal efficiency of 97.3% was achieved. © 2011 Canadian Society for Chemical Engineering
- Subjects
LIQUID membranes; HYDROGEN sulfide; SEWAGE; EMULSIONS; SURFACE active agents
- Publication
Canadian Journal of Chemical Engineering, 2012, Vol 90, Issue 1, p120
- ISSN
0008-4034
- Publication type
Article
- DOI
10.1002/cjce.20528