Evaluation of non-commercial ceramic SiO2-ZrO2 and organosilica BTESE membranes in a highly oxidative medium: Performance in hydrogen peroxide
作者： R. Abejón , S.B. Ibrahim , W. Puthai , H. Nagasawa , T. Tsuru
DOI: 10.1016/J.MEMSCI.2016.08.042
关键词:
摘要: Abstract The development of robust membranes able to withstand harsh environments such as oxidative conditions would improve the sustainability several separation processes. Therefore, organosilica and ceramic non-commercial were characterized their performances compared before after contact with hydrogen peroxide. membrane showed a high level solute rejection coefficients (0.928 for NaCl 0.969 MgCl 2 ), but low permeability (5.04·10 –13 m 3 /m s Pa, equivalent 0.181 L/m h bar). membrane, however, (0.187 0.649 MgSO 4 (7.05·10 –12 2.538 L/m While was quite sensitive presence peroxide, chemical stability in 30% peroxide solution very satisfactory. A Kedem-Katchalsky transport model logistic decay applied successfully test performance characterize evolution respectively.
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