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    • 2. 发明授权
    • Method for preparing solid ruthenium nitrosyl nitrate
    • 固体硝基硝酸硝基钌的制备方法
    • US09005555B2
    • 2015-04-14
    • US14475547
    • 2014-09-02
    • Sunshine Kaidi New Energy Group Co., Ltd.
    • Li XuBo LaiDechen SongQianqian LiuYiming Han
    • C01G55/00C22B3/00
    • C22B11/048C01G55/00C01P2006/80C22B1/005C22B7/009Y02P10/214Y02P10/234
    • A method for preparing solid ruthenium nitrosyl nitrate, including: 1) drying a ruthenium-containing spent catalyst, and calcining the spent catalyst, and cooling to room temperature, whereby yielding a ruthenium-containing solid; 2) grinding the ruthenium-containing solid to yield a powder, introducing the powder to a fluidized bed reactor, aerating the fluidized bed reactor with nitrogen or an inert gas, charging hydrogen, whereby yielding ruthenium metal; 3) contacting a mixed gas of ozone and air with the ruthenium metal, whereby yielding gaseous ruthenium tetroxide; 4) introducing the gaseous ruthenium tetroxide into a three-stage absorption plant, whereby yielding an acid solution including ruthenium nitrate; 5) adding a solid of sodium nitrite to the acid solution, stirring, and heating a resulting solution, whereby yielding a solution of ruthenium nitrosyl nitrate; and 6) extracting the solution of ruthenium nitrosyl nitrate with anhydrous ether.
    • 一种制备固体硝酸亚硝基硝酸盐的方法,包括:1)干燥含钌废废催化剂,煅烧废催化剂,冷却至室温,由此得到含钌固体; 2)研磨含钌固体产生粉末,将粉末引入流化床反应器,用氮气或惰性气体充气流化床反应器,加入氢气,从而产生钌金属; 3)将臭氧和空气的混合气体与钌金属接触,从而产生四氧化四钌; 4)将气态四氧化钌引入三级吸收装置,从而产生包含硝酸钌的酸溶液; 5)向酸溶液中加入亚硝酸钠固体,搅拌并加热所得溶液,由此得到硝酸亚硝基硝酸钌溶液; 和6)用无水乙醚萃取硝酸亚硝基硝酸钌溶液。