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    • 3. 发明专利
    • BRPI0902815A2
    • 2010-05-25
    • BRPI0902815
    • 2009-08-24
    • BAYER MATERIALSCIENCE AG
    • SCHMIDT TIMMLODDENKEMPER TIMGERHARTZ FRANKMUELLER WALTHER
    • C01G55/00C22B34/00
    • Extracting metallic ruthenium or ruthenium compounds from ruthenium or ruthenium-containing solid materials, particularly solid catalyst or electrode material comprises treating the solid with a gas stream containing at least carbon monoxide and hydrogen halide, preferably hydrogen chloride in a reaction zone at elevated temperature, preferably at least at 250[deg] C to obtain volatile ruthenium compounds, which are to be discharged with the gas stream, and subsequently cooling the charged gas stream, preferably by the deposition of ruthenium compounds in a separation zone. Extracting metallic ruthenium or ruthenium compounds from ruthenium or ruthenium-containing solid materials, particularly solid catalyst or electrode material comprises treating the solid with a gas stream containing at least carbon monoxide and hydrogen halide, preferably hydrogen chloride in a reaction zone at elevated temperature, preferably at least at 250[deg] C to obtain volatile ruthenium compounds, which are to be discharged with the gas stream, and subsequently cooling the charged gas stream, preferably by the deposition of ruthenium compounds in a separation zone, which is colder than the reaction zone, preferably on colder separation surface and/or absorption into solutions and/or adsorption on substrates.
    • 10. 发明专利
    • DE102008039278A1
    • 2010-02-25
    • DE102008039278
    • 2008-08-22
    • BAYER MATERIALSCIENCE AG
    • SCHMIDT TIMMLODDENKEMPER TIMGERHARTZ FRANKMUELLER WALTHER
    • C22B34/00
    • Extracting metallic ruthenium or ruthenium compounds from ruthenium or ruthenium-containing solid materials, particularly solid catalyst or electrode material comprises treating the solid with a gas stream containing at least carbon monoxide and hydrogen halide, preferably hydrogen chloride in a reaction zone at elevated temperature, preferably at least at 250[deg] C to obtain volatile ruthenium compounds, which are to be discharged with the gas stream, and subsequently cooling the charged gas stream, preferably by the deposition of ruthenium compounds in a separation zone. Extracting metallic ruthenium or ruthenium compounds from ruthenium or ruthenium-containing solid materials, particularly solid catalyst or electrode material comprises treating the solid with a gas stream containing at least carbon monoxide and hydrogen halide, preferably hydrogen chloride in a reaction zone at elevated temperature, preferably at least at 250[deg] C to obtain volatile ruthenium compounds, which are to be discharged with the gas stream, and subsequently cooling the charged gas stream, preferably by the deposition of ruthenium compounds in a separation zone, which is colder than the reaction zone, preferably on colder separation surface and/or absorption into solutions and/or adsorption on substrates.