Direct separation of phosphate under highly acidic conditions using MnO 2 @CeO 2 nanowires membrane
Chemical Engineering and Processing - Process Intensification, ISSN: 0255-2701, Vol: 177, Page: 108986
2022
- 6Citations
- 4Captures
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Article Description
Selective separation of phosphate from highly acidic media is both a critical requirement prior to their downstream processing and an important pursuit for separation science. Herein a CeO 2 -wrapped MnO 2 nanowires membrane was applied for phosphate separation from highly acidic solution. Combing the extremely low solubleness with structure stability, such membrane exhibits a superior strong acid-resistant. Under acidic conditions (pH = 2.2), the protonizated hydroxyl bonds on CeO 2 surface achieved selective removal of phosphate with a high phosphorus rejection (> 97.5%) at 0.02 MPa. More practically, the membrane maintains 93.6% of phosphorus rejection after 5 times reusage. Overall, the as-prepared MnO 2 @CeO 2 membrane is highly efficient for separation of phosphate under highly acidic media and very promising for treatment of industrial acidic wastewater in nuclear power industry, chemical manufacturing and other facilities.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0255270122001982; http://dx.doi.org/10.1016/j.cep.2022.108986; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85130978153&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0255270122001982; https://dx.doi.org/10.1016/j.cep.2022.108986
Elsevier BV
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