Phosphate reclaim from simulated and real eutrophic water by magnetic biochar derived from water hyacinth

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• 作者：Ru Cai^a ; Xin Wang^a ; ^{hdhuanjing@163.com} ; Xionghui Ji^b ; ^{jixionghui@sohu.com} ; Bo Peng^a ; Changyin Tan^a ; Xi Huang^b
• 关键词：Fe-impregnated biochar ; Water hyacinth ; P reclaim ; Sorption efficiency ; Eutrophic water
• 刊名：Journal of Environmental Management
• 出版年：2017
• 出版时间：1 February 2017
• 年：2017
• 卷：187
• 期：Complete
• 页码：212-219
• 全文大小：1397 K
• 卷排序：187

文摘

Magnetic biochar was prepared from invasive water hyacinth biomass. Phosphate removal efficiency by this magnetic biochar kept stable over pH 3–10. This magnetic biochar displayed a high co-adsorption capability towards arsenate. Efficient phosphorus removal from Lake Dianchi water was achieved by this sorbent. P adsorption occurred mainly by electrostatic attraction and surface complexation.