Method for recovering rare earth metals (REMs) from phosphogypsum industrial waste, involves drying phosphogypsum moisture, leaching dried phosphogypsum with ferric chloride and hydrochloric acid, stirring mixture at particular temperature to facilitate displacement reaction
	VERMA R; MANDAN C; SATHU N K; JOSHI G; MANKAR B; KUMAR A
	2024-12-04
专利权人	LOHUM MATERIALS PRIVATE LTD (LOHU-Non-standard)
申请日期	2024-12-04
专利号	IN202411095722-A
成果简介	NOVELTY - Method for recovering rare earth metals (REMs) from phosphogypsum industrial waste, involves drying phosphogypsum containing 35-40% moisture; leaching the dried phosphogypsum with ferric chloride (FeCl3) and hydrochloric acid (HCl); stirring the mixture at room temperature for 8-12 hours (h) to facilitate a displacement reaction; filtering the slurry to separate solid residues and obtaining an REM-enriched liquid; washing the residue with demineralized water to enhance REM recovery. USE - Method for recovering rare earth metals (REMs) from phosphogypsum industrial waste. ADVANTAGE - The method is highly efficient, environmentally friendly, and economically viable solution for recovering rare earth metals from phosphogypsum, and high recovery rates, low environmental impact, and ease of scalability.
IPC 分类号	C22B-003/08 ; C22B-003/24 ; C22B-059/00
国家	印度
专业领域	材料科学
语种	英语
成果类型	专利
文献类型	科技成果
条目标识符	http://119.78.100.226:8889/handle/3KE4DYBR/14231
专题	中国科学院新疆生态与地理研究所
作者单位	LOHUM MATERIALS PRIVATE LTD (LOHU-Non-standard)
推荐引用方式 GB/T 7714	VERMA R,MANDAN C,SATHU N K,et al. Method for recovering rare earth metals (REMs) from phosphogypsum industrial waste, involves drying phosphogypsum moisture, leaching dried phosphogypsum with ferric chloride and hydrochloric acid, stirring mixture at particular temperature to facilitate displacement reaction. IN202411095722-A[P]. 2024.

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