화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.50, 102-110, June, 2017
DOI10.1016/j.jiec.2017.01.037  Export Citation
Parametric studies on an innovative waste vegetable oil-based continuous liquid membrane (WVCLM) for Cu(II) ion separation from aqueous solutions
Siu Hua Chang1, 2, †
  • 1Faculty of Chemical Engineering, Universiti Teknologi MARA (UiTM) Malaysia, 13500 Permatang Pauh, Penang,Malaysia
  • 2Tialoc Malaysia Sdn. Bhd., Suite 2.09, KHTP Business Centre, Kulim Hi-Tech Park, 09000 Kulim, Kedah, Malaysia
E-mail:
Separation of Cu(II) ions from aqueous solutions using an innovative waste vegetable oil-based continuous liquid membrane (WVCLM) was studied with waste vegetable oil as diluent, di-2-ethylhexylphosphoric acid (D2EHPA) as carrier and sulphuric acid (H2SO4) as stripping phase. For an initial Cu(II) ion concentration of 500 mg/L, the maximum percentages of extraction (96%) and stripping (80%) were achieved in 8 h and 24 h, respectively, with feed phase buffered at pH 4.5, 250 mM of inert salt, 88 mM of D2EHPA, 1.5 M of H2SO4, 2.5 L/h of membrane phase, 4.0 L/h of feed phase and 0 L/h of stripping phase.
Keywords:Waste vegetable oil;Continuous liquid membrane;Cu(II) ions;Extraction;Stripping
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