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    • 7. 发明申请
    • A PROCESS FOR PRODUCING A SYNTHESIS GAS FROM CARBON DIOXIDE
    • 从二氧化碳生产合成气的方法
    • WO1995006000A1
    • 1995-03-02
    • PCT/KR1994000113
    • 1994-08-23
    • KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGYPARK, Sang, EonCHANG, Jong, SanLEE, Kyu, Wan
    • KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    • C01B03/40
    • B01J23/78C01B3/40C01B2203/1052Y02P20/52
    • A process for producing a synthesis gas having carbon monoxide and hydrogen from the reduction of carbon dioxide with natural gas or lower hydrocarbons having methane as a main component and oxygen and steam over catalyst composed of nickel and, as promotors, alkali metal and alkaline earth metal component supported on silicon-containing support such as zeolite, silica, silicate and silica-alumina which are stable under reaction condition is disclosed. This process characterized in that the catalytic activity and performance property are improved by supporting alkali metal, alkaline earth metal and nickel oxide from metal salts having low melting point uniformly on silicon-containing support having high surface area by solid-state reaction. The amounts of adding alkali metal, alkaline earth metal and nickel are 0.01 to 10 % by weight, 1 to 20 % by weight and 1 to 20 % by weight, respectively. The present invention is conducted in the temperature range from 600 DEG C to 1000 DEG C and under a pressure of normal pressure to 20 atm, and gas hourly space velocity of 1,000 to 500,000/hour.
    • 一种由具有甲烷作为主要成分的天然气或低级碳氢化合物还原二氧化碳的一氧化碳和氢气的合成气的制造方法,以及由镍构成的催化剂和作为促进剂的碱金属和碱土金属的氧和蒸汽 公开了在反应条件下稳定的含硅载体如沸石,二氧化硅,硅酸盐和二氧化硅 - 氧化铝上的组分。 该方法的特征在于,通过在具有高表面积的含硅载体上通过固相反应将碱金属,碱土金属和氧化镍从具有低熔点的金属盐均匀地支撑而提高了催化活性和性能。 添加碱金属,碱土金属和镍的量分别为0.01〜10重量%,1〜20重量%和1〜20重量%。 本发明在600〜1000℃的温度范围内,在常压至20atm的压力下进行,气时空速为1000〜500,000 /小时。