• 专利标题:   Preparation of magnetic response titanium dioxide nanotube/graphene composite material used for photocatalytic degradation of organic wastewater involves dispersing graphene oxide, reacting with titanium dioxide, washing, and drying.
  • 专利号:   CN104258862-A
  • 发明人:   CHEN F, HAN L, LI Z, MO Z, WANG Y, ZHANG C, ZHANG P, ZHAO G, ZHU X
  • 专利权人:   UNIV NORTHWEST NORMAL
  • 国际专利分类:   B01J023/745, C02F001/30
  • 专利详细信息:   CN104258862-A 07 Jan 2015 B01J-023/745 201515 Pages: 10 Chinese
  • 申请详细信息:   CN104258862-A CN10491861 23 Sep 2014
  • 优先权号:   CN10491861

▎ 摘  要

NOVELTY - Preparation of magnetic response titanium dioxide nanotube/graphene composite material comprises ultrasonically dispersing graphene oxide in deionized water, adding titanium dioxide powder, ultrasonic dispersing, adding ferric chloride hexahydrate and ferrous sulfate heptahydrate, ultrasonic dispersing, adding sodium hydroxide, reacting at 110-140 degrees C for 24-36 hours, cooling, washing with deionized water, soaking in diluted hydrochloric acid solution for 0.5-1 hour, washing with deionized water and anhydrous ethanol, separating, vacuum drying, and sintering at 300-350 degrees C for 1-2 hours. USE - Method for preparing magnetic response titanium dioxide nanotube/graphene composite material (claimed) used for photocatalytic degradation of organic wastewater. ADVANTAGE - The composite material has targeted magnetic field photocatalytic positioning, can be separated and reused, and has enhance photocatalytic property. DETAILED DESCRIPTION - Preparation of magnetic response titanium dioxide nanotube/graphene composite material comprises ultrasonically dispersing graphene oxide in deionized water, adding titanium dioxide powder, ultrasonic dispersing, adding ferric chloride hexahydrate and ferrous sulfate heptahydrate, ultrasonic dispersing, adding sodium hydroxide, reacting at 110-140 degrees C for 24-36 hours, cooling, washing with deionized water to neutral, soaking in diluted hydrochloric acid solution for 0.5-1 hour, washing with deionized water and anhydrous ethanol, separating, vacuum drying, and sintering at 300-350 degrees C for 1-2 hours under nitrogen gas atmosphere.