Fabrication of a Biomass-Based Hydrous Zirconium Oxide Nanocomposite for Preferable Phosphate Removal and Recovery

ACS Applied Materials & Interfaces
Hui QiuGang Liu

Abstract

Advanced removal of phosphate by low-cost adsorbents from municipal wastewater or industrial effluents is an effective and economic way to prevent the occurrence of eutrophication. Here, we proposed a novel method to immobilize hydrous zirconium oxide nanoparticle within quaternary-aminated wheat straw, and obtained an inexpensive, eco-friendly nanocomposite Ws-N-Zr. The biomass-based Ws-N-Zr exhibited higher preference toward phosphate than commercial anion exchanger IRA-900 when competing sulfate ions coexisted at relatively high levels. Such excellent performance of Ws-N-Zr resulted from its specific hybrid structure, the quaternary ammonium groups bonded on the host favor the preconcentration of phosphate ions inside the wheat straw based on Donnan effect, and the encapsulated HZO nanoparticle exhibits preferable sequestration of phosphate ions through specific interaction, as further demonstrated by FTIR and X-ray photoelectron spectroscopy. Cycle adsorption and regeneration experiments demonstrated that Ws-N-Zr could be employed for repeated use without significant capacity loss, when the binary NaOH-NaCl solution was employed as the regenerant. The influence of solution pH and contact time was also examined. The results ...Continue Reading

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Citations

May 31, 2016·Bioresource Technology·Qinzheng YangXuejing Gu
Jul 28, 2018·Environmental Technology·Jianwei LinHonghua Zhang
Mar 9, 2019·Recent Patents on Nanotechnology·Saeed AhmedYongjun Feng
Sep 15, 2019·Environmental Science and Pollution Research International·Ting LiYuanming Zhang
Sep 2, 2017·Environmental Science and Pollution Research International·Hui QiuMingxia Song
Jul 20, 2018·Global Challenges·Saeed Ahmed, Arshad Iqbal
Mar 23, 2019·Water Environment Research : a Research Publication of the Water Environment Federation·Yongwei JiangJing Shi
Aug 2, 2018·Environmental Science and Pollution Research International·Yali GuoBaoyu Gao
Nov 26, 2018·Journal of Hazardous Materials·Fan YangYong Sik Ok
Oct 19, 2020·The Science of the Total Environment·Haoyu LuoQintie Lin
Jan 12, 2021·Environmental Research·Jingwan HuoYin Wang
Mar 3, 2021·Environmental Science and Pollution Research International·Qian-Qian ZhongQin-Yan Yue
Apr 13, 2021·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Yifan LuMei Huang
Nov 2, 2017·Environmental Science & Technology·Xiaolin ZhangBingcai Pan
Dec 22, 2020·Environmental Science & Technology·Yanyang ZhangBingcai Pan

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