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  • 专利标题:   Treating graphene production wastewater useful in preparing graphene, comprises adding section of neutralizer into graphene production waste water to adjust pH value, adding two-stage neutralization product to adjust pH value, introducing air, filtering precipitate, and purifying filtrate.
  • 专利号:   CN113511746-A
  • 发明人:   YANG Z, CHEN G, LEI W, LI G, CHEN Q, LI Y, ZHU H, LIANG Y
  • 专利权人:   GUANGDONG POLYROCKS TECHNOLOGY RES CO
  • 国际专利分类:   C02F101/20, C02F103/34, C02F009/04, C05D011/00
  • 专利详细信息:   CN113511746-A 19 Oct 2021 C02F-009/04 202214 Chinese
  • 申请详细信息:   CN113511746-A CN10262748 11 Mar 2021
  • 优先权号:   CN10262748

▎ 摘　　要

NOVELTY - Treating graphene production wastewater comprises adding a section of neutralizer into the graphene production waste water to adjust the pH value, adding two-stage neutralization product to adjust the pH value, introducing air, filtering the precipitate, and purifying the filtrate. USE - The method is useful in preparing graphene (claimed). ADVANTAGE - The method is environmentally friendly and reduces the treatment cost of graphene production wastewater.