• 专利标题:   Fluorinated graphene (FG) composite visible light responding catalyst prepared by ultrasonically dispersing FG in bismuth nitrate and zinc nitrate mixed solution, adding tetrabutyl titanate and reacting, used to degrade organic pollutants.
  • 专利号:   CN106964378-A, CN106964378-B
  • 发明人:   NIU Y, LI F, WANG R, DONG G, DAN Q, LI Q, SHI Q
  • 专利权人:   UNIV SANMING, UNIV SANMING
  • 国际专利分类:   B01J027/138
  • 专利详细信息:   CN106964378-A 21 Jul 2017 B01J-027/138 201767 Pages: 6 Chinese
  • 申请详细信息:   CN106964378-A CN10101141 24 Feb 2017
  • 优先权号:   CN10101141

▎ 摘  要

NOVELTY - Fluorinated graphene composite visible light responding catalyst prepared by (a) preparing fluorinated graphene (FG) by ultrasonically dispersing oxidized graphene in deionized water, adding sodium fluoride and reacting, filtering, drying the solid product (b) preparing FG-zinc bismuth oxide complex by ultrasonically dispersing FG in bismuth nitrate and zinc nitrate absolute ethanol mixed solution, reacting, washing and drying, (c) ultrasonically dispersing obtained product in absolute ethanol, adding tetrabutyl titanate under magnetic stirring, reacting and drying, is claimed. USE - The fluorinated graphene composite visible light responding catalyst is useful for degrading organic pollutants. ADVANTAGE - The catalyst: has high stability; degrades organic pollutants in the environment under visible light response; can be used repeatedly; and is environmentally friendly. DETAILED DESCRIPTION - Fluorinated graphene composite visible light responding catalyst, is claimed. The preparation of the catalyst comprises (a) preparing fluorinated graphene (FG) by (a1) ultrasonically dispersing oxidized graphene into deionized water to obtain graphene oxide dispersion liquid (a2) transferring the dispersion liquid into a hydrothermal kettle having polytetrafluoroethylene liner, adding sodium fluoride, insulating at 180 degrees C and reacting for 3-12 hours (a3) naturally cooling to room temperature, filtering the reaction liquid, washing the cake with ultra-pure water for multiple times until the washing liquid pH is neutral, drying the obtained solid product to obtain FG (b) preparing FG-zinc bismuth oxide complex by (b1) dissolving bismuth nitrate and zinc nitrate in absolute ethyl alcohol to prepare mixed solution, (b2) ultrasonically dispersing FG in absolute ethanol, magnetically stirring the solution, continuously stirring for 30 minutes, transferring into stainless steel reaction kettle having polytetrafluoroethylene inner liner, insulating and reacting at 180 degrees C for 3-12 hours and (b3) taking out the product, washing with absolute ethanol for two times, washing with deionized water for two times and drying the obtained product at 60 degrees C, (c) preparing titanium dioxide-FG-zinc bismuth oxide complex by (c1) ultrasonically dispersing FG-zinc bismuth oxide complex in absolute ethanol, adding tetrabutyl titanate under magnetic stirring, continuously stirring for 30 minutes, transferring into stainless steel reaction kettle having polytetrafluoroethylene inner liner, reacting at 180 degrees C for 3-12 hours, and (c2) taking out the product, washing with absolute ethanol for two times and with deionized water for two times and drying at 60 degrees C.