国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01D（3）
IPC C01D003/04（2） C01F011/46（2）
发明人 CAO A（3）
公开年 2022（3）
申请年 2022（2） 
专利权人 SHANDONG JIN.（2）

Utilizing waste sulfuric acid and washing waste water in preparation process of graphene oxide, involves conveying filtered waste sulfuric acid into reactor, stirring, conveying barium carbonate slurry, reacting, aging, filtering, adjusting pH, adding potassium permanganate, stirring and filtering.

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

Resource utilization method of phosphoric acid-contains waste sulfuric acid liquid used for preparing graphene oxide, involves detecting phosphate content, sulfate content in phosphate, adding acidic solution, and stirring fully.

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

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