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Al 2 O 3 /Yttria‐Stabilized Zirconia Hollow‐Fiber Membrane Incorporated with Iron Oxide for Pb(II) Removal
Ist Teil von
Chemical engineering & technology, 2019-06, Vol.42 (6), p.1321-1329
Erscheinungsjahr
2019
Quelle
Wiley-Blackwell Journals
Beschreibungen/Notizen
Abstract
Removal by absorptive ceramic membranes can simultaneously absorb and separate metal ions from water. Alumina/yttria‐stabilized zirconia (Al
2
O
3
/YSZ) hollow‐fiber membranes, fabricated using phase inversion and sintering process, were deposited with iron oxide by an in‐situ hydrothermal process. The results showed that
α
‐Fe
2
O
3
was produced and incorporated across the membranes. A reduction in flux was recorded with the deposition of
α
‐Fe
2
O
3.
However, it improved the adsorption capacity for heavy metal adsorption. The adsorption‐separation test demonstrated that the optimized membrane is able to completely remove Pb(II) ions after two hours.