国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01F（3） C01D（2）
IPC C01F005/40（3）
发明人
公开年 2022（2）
申请年 2022（2） 
专利权人

Production of power battery involves leaching formed crude slurry, leaching formed filtrate, neutralizing slurry, leaching formed slag, extracting iron-removing liquid with cobalt, crystallizing mother liquor and cobalt sulfate concentrate, further evaporating and crystallizing, with cobalt sulfate.

LIU K, YUAN M, ZHANG J, WANG X, YUAN R

Comprehensively treating graphene oxide waste acid involves filtering and removing impurities in graphene oxide waste acid, neutralizing, precipitating, separating solid and liquid, concentrating mixture, crystallizing, melting mixture of potassium sulfate and magnesium sulfate and cooling.

LI P, GONG W, CAO A, WANG W, HOU S, SONG X, LIU T

Graphene waste sulfuric acid recycling system comprises e.g. reaction kettle, the reaction kettle comprises solid inlet, liquid outlet and gas outlet, the press filter and liquid outlet of the reaction kettle connected with the filter press.

LI M, YUAN W, ZHOU J, ZHANG K, FAN W