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  • 专利标题:   Processing of graphene waste liquid involves adding organic solvent to graphene waste liquid comprising manganese ions, potassium ions and sulfate ions, leaving still to generate white precipitate, and filtering to obtain clear filtrate.
  • 专利号:   CN114644385-A
  • 发明人:   ZHENG T, ZHANG M, MAO O, YE Z, ZHANG Y, ZUO B
  • 专利权人:   JIANGSU CNANO TECHNOLOGY CO LTD
  • 国际专利分类:   C02F001/00, C02F001/58, C02F001/62, C02F001/64, C02F103/34
  • 专利详细信息:   CN114644385-A 21 Jun 2022 C02F-001/58 202268 Chinese
  • 申请详细信息:   CN114644385-A CN11496627 17 Dec 2020
  • 优先权号:   CN11496627

▎ 摘　　要

NOVELTY - Processing of graphene waste liquid involves adding an organic solvent to graphene waste liquid, leaving still to generate a white precipitate, filtering the white precipitate to obtain clear filtrate. The graphene waste liquid comprises manganese ions, potassium ions and sulfate ions. USE - Processing of graphene waste liquid. ADVANTAGE - The method reduces the waste liquid processing cost, reduces the concentration of manganese ions, potassium ions and sulfate ions in the graphene waste liquid, and also reduces the pollution to the environment.