Abstract：
:Al2O3-NaA zeolite composite hollow fiber membranes were successfully fabricated via hydrothermal synthesis by using industrial solid waste coal fly ash and porous Al2O3 hollow fiber supports. The as-synthesized Al2O3-NaA zeolite composite hollow fiber membranes were then characterized by scanning electron microscopy (SEM) and X-ray diffraction (XRD). The hollow fiber membranes were used to remove lead ions (Pb(II), 50 mg L-1) from synthetic wastewater with a removal efficiency of 99.9% at 0.1 MPa after 12 h of filtration. This study showed that the Al2O3-NaA zeolite composite hollow fiber membranes (the pore size of the membrane was about 0.41 nm in diameter) synthesized from coal fly ash could be efficiently used for treating low concentration Pb(II) wastewater. It recycled solid waste coal fly ash not only to solve its environment problems, but also can produce high-value Al2O3-NaA zeolite composite hollow fiber membranes for separation application in treating wastewater containing Pb(II).
journal_name
Chemospherejournal_title
Chemosphereauthors
Zhu L,Ji J,Wang S,Xu C,Yang K,Xu Mdoi
10.1016/j.chemosphere.2018.05.001subject
Has Abstractpub_date
2018-09-01 00:00:00pages
278-284eissn
0045-6535issn
1879-1298pii
S0045-6535(18)30843-9journal_volume
206pub_type
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