• 专利标题:   Preparing graphene oxide complex gel useful for catalyzing ozone advanced treatment of papermaking wastewater comprises taking graphene oxide powder and water, dispersing, adding manganese dioxide powder and freeze drying.
  • 专利号:   CN105536774-A
  • 发明人:   CHENG Z, ZHANG Y, YANG R
  • 专利权人:   UNIV SOUTH CHINA TECHNOLOGY
  • 国际专利分类:   B01J023/34, B01J035/10, C02F001/78, C02F103/28
  • 专利详细信息:   CN105536774-A 04 May 2016 B01J-023/34 201651 Pages: 8 English
  • 申请详细信息:   CN105536774-A CN10962757 17 Dec 2015
  • 优先权号:   CN10962757

▎ 摘  要

NOVELTY - Preparing graphene oxide complex gel comprises (i) taking graphene oxide powder and water, mixing, dispersing to obtain graphene oxide solution, (ii) stirring and adding manganese dioxide powder, controlling the temperature, (iii) taking obtained reaction liquid and placing into reaction kettle, carrying out hydrothermal reaction, cooling to room temperature, filtering, water washing the filter cake, drying, (iv) taking the solid material in alcohol solution and carrying out replacement reaction to obtain graphene oxide complex hydrogel, (v) freeze drying, and cooling to obtain the product. USE - The graphene oxide complex gel is useful for catalyzing ozone advanced treatment of papermaking wastewater (claimed). ADVANTAGE - The preparation method is simple, has high stability and is efficient. DETAILED DESCRIPTION - Preparing graphene oxide complex gel comprises (i) taking graphene oxide powder and water in the ratio of 1:2-1: 6, mixing, dispersing to obtain graphene oxide solution, (ii) stirring and manganese dioxide powder, controlling the temperature, (iii) taking obtained reaction liquid and placing into reaction kettle, carrying out hydrothermal reaction, cooling to room temperature, filtering, water washing the filter cake, drying, (iv) taking the solid material in alcohol solution and carrying out replacement reaction to obtain graphene oxide complex hydrogel, (v) freeze drying, and cooling to obtain the product.