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    METHOD FOR PRODUCING FLUOROHYDROCARBON
    1.
    发明公开
    METHOD FOR PRODUCING FLUOROHYDROCARBON 审中-实审

    公开(公告)号：EP4349805A1

    公开(公告)日：2024-04-10

    申请号：EP22815872.1

    申请日：2022-05-19

    申请人： Zeon Corporation ,  Kyushu University, National University Corporation

    发明人： MATSUURA Go ,  INADA Keita ,  WATANABE Takayuki ,  TANAKA Manabu ,  MATSUI Kazuki

    IPC分类号： C07C17/16 ,  C07C17/263 ,  C07C17/361 ,  C07C19/08 ,  C07C21/18

    摘要： Provided is a production method that enables simple and efficient production of a fluorinated hydrocarbon by a gas phase flow method without using a catalyst. The method of producing a fluorinated hydrocarbon includes continuously supplying a gaseous fluorine-containing inorganic compound to an electrical discharge zone in a plasma apparatus and subsequently causing migration to outside of the electrical discharge zone in the plasma apparatus, continuously supplying a feedstock gas containing an inert gas and a compound represented by formula 1: CH 3 -R (R is a hydrogen atom, a chlorine atom, a bromine atom, an iodine atom, or an organic group other than a hydrocarbon group) to outside of the electrical discharge zone in the plasma apparatus, and subsequently continuously releasing, to outside of the plasma apparatus, gas that is contained outside of the electrical discharge zone in the plasma apparatus.

    METHOD FOR COPRODUCING HYDROFLUOROCARBONS
    8.
    发明公开
    METHOD FOR COPRODUCING HYDROFLUOROCARBONS 审中-公开

    公开(公告)号：EP4206171A1

    公开(公告)日：2023-07-05

    申请号：EP21859968.6

    申请日：2021-07-16

    申请人： Zhejiang Quhua Fluor-Chemistry Co Ltd

    发明人： ZHOU, Liyang ,  HONG, Jiangyong ,  YANG, Bo ,  ZHANG, Yan ,  WU, Bin ,  TANG, Xinguo ,  YU, Huimei

    IPC分类号： C07C19/08 ,  C07C17/06 ,  C07C17/20 ,  C07C17/383

    摘要： A method for coproducing hydrofluorocarbons, the method involving preheating a mixture of a chlorinated alkene and hydrogen fluoride and then introducing the mixture into the top of a reactor, while also introducing 1,1,1,2,3,3-hexafluoropropylene and dichloromethane into the middle portion of the reactor for a reaction to obtain a reaction product at an outlet of the reactor, wherein the reactor is divided into three to six sections, each of which is filled with a catalyst; and separating the reaction product to obtain a plurality of hydrofluorocarbon products, respectively. The method has advantages such as a high yield, a good selectivity, and a low energy consumption.

    CARBON STABLE ISOTOPE ENRICHMENT METHOD
    9.
    发明公开
    CARBON STABLE ISOTOPE ENRICHMENT METHOD 审中-公开

    公开(公告)号：EP4205834A1

    公开(公告)日：2023-07-05

    申请号：EP21861242.2

    申请日：2021-08-11

    申请人： Taiyo Nippon Sanso Corporation

    发明人： SAKURAI, Hayato ,  KAMBE, Takashi ,  IGARASHI, Takehiro

    IPC分类号： B01D59/04 ,  C07C19/08 ,  C07C17/383

    摘要： An object of the present invention is to provide a carbon stable isotope enrichment method that does not require safety measures against combustibility and toxicity and that enables high-concentration 13 C enrichment without isotope scrambling, and the present invention provides a carbon stable isotope enrichment method including a distillation step for enriching carbon tetrafluoride stable isotope molecules containing 13 C by distilling raw material carbon tetrafluoride containing multiple types of carbon tetrafluoride stable isotope molecules in a distillation column group in which multiple distillation columns are cascaded.