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Method for preparing refractory material from waste battery residues, and use of refractory material
A method for preparing a refractory material from waste battery residues. The method comprises the following steps: (1) disassembling waste batteries, then sorting same to obtain positive and negative electrode powders, leaching the positive and negative electrode powders with an acid, filtering same to obtain a graphite slag, and then subjecting the filtrate to copper removal, followed by the addition of an alkali for a precipitation reaction, wherein the resulting precipitate is an iron-aluminum slag; (2) wrapping the graphite slag obtained in step (1) with wet clay to form an inner core material, then mixing wet clay with the iron-aluminum slag, wrapping the inner core material with same, and aging the wrapped inner core material to obtain a blank; (3) pre-sintering, calcining and cooling the blank prepared in step (2) to obtain a fired product; and (4) washing and drying the fired product to obtain the refractory material.
Method for preparing refractory material from waste battery residues, and use of refractory material
A method for preparing a refractory material from waste battery residues. The method comprises the following steps: (1) disassembling waste batteries, then sorting same to obtain positive and negative electrode powders, leaching the positive and negative electrode powders with an acid, filtering same to obtain a graphite slag, and then subjecting the filtrate to copper removal, followed by the addition of an alkali for a precipitation reaction, wherein the resulting precipitate is an iron-aluminum slag; (2) wrapping the graphite slag obtained in step (1) with wet clay to form an inner core material, then mixing wet clay with the iron-aluminum slag, wrapping the inner core material with same, and aging the wrapped inner core material to obtain a blank; (3) pre-sintering, calcining and cooling the blank prepared in step (2) to obtain a fired product; and (4) washing and drying the fired product to obtain the refractory material.
Method for preparing refractory material from waste battery residues, and use of refractory material
HAIJUN YU (author) / JIANGDONG CHEN (author) / YINGHAO XIE (author) / JIALEI XU (author) / BENBEN WU (author) / CHANGDONG LI (author)
2024-11-06
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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