High temperature methanation with molten salt-based catalyst systems
    1.
    发明授权
    High temperature methanation with molten salt-based catalyst systems 失效
    用熔融盐基催化剂体系进行高温甲烷化

    公开(公告)号:US4045461A

    公开(公告)日:1977-08-30

    申请号:US666828

    申请日:1976-03-15

    摘要: The reaction of hydrogen and carbon oxides (carbon monoxide and carbon dioxide) to form methane at temperatures above 500.degree. C is promoted by carrying out the reaction in the presence of a molten metal salt-based catalyst system comprising a molten metal salt carrier selected from the class consisting of the halides and carbonates of alkali metals and alkaline earth metals and the halides of zinc, copper, manganese, cadmium, tin and iron, and mixtures thereof, melting below 1000.degree. C; said molten salt having dispersed therein one or more catalytically active metals selected from the class consisting of iron, molybdenum, manganese, nickel, cobalt, zinc, titanium, silver, copper and thorium in the form of finely divided elemental metals, metal oxides and/or metal carbides.

    摘要翻译: 在高于500℃的温度下,氢和碳氧化物(一氧化碳和二氧化碳)反应形成甲烷是通过在熔融金属盐基催化剂体系的存在下进行反应促进的,所述熔融金属盐基催化剂体系包含熔融金属盐载体, 该类由碱金属和碱土金属的卤化物和碳酸盐以及锌,铜,锰,镉,锡和铁的卤化物及其混合物组成,熔点低于1000℃; 所述熔融盐中分散有选自铁,钼,锰,镍,钴,锌,钛,银,铜和钍中的一种或多种催化活性金属,其为细分的元素金属,金属氧化物和/ 或金属碳化物。

    Methanation catalyst recovery
    3.
    发明授权
    Methanation catalyst recovery 失效
    甲烷化催化剂回收

    公开(公告)号:US4006177A

    公开(公告)日:1977-02-01

    申请号:US619543

    申请日:1975-10-03

    摘要: A sulfur resistant methanation catalyst and the process to recover the same are disclosed. The catalyst comprises a molten metal salt carrier selected from the class consisting of the halides of zinc and cadmium, and mixtures thereof, melting below 1000.degree. C, said molten salt having dispersed therein one or more catalytically active metals selected from the group consisting of iron, molybdenum, manganese, nickel, cobalt, zinc, titanium, silver, copper and thorium. The recovery process comprises separating the metal sulfide, contacting the sulfide with a hydrogen halide at a reduced temperature, and recycling the resultant molten metal salt halide to the methanation reactor.

    摘要翻译: 公开了一种耐硫甲烷化催化剂及其回收方法。 所述催化剂包括熔融金属盐载体,其选自锌和镉的卤化物及其混合物,熔点低于1000℃,所述熔融盐分散有一种或多种催化活性金属,所述催化活性金属选自铁 ,钼,锰,镍,钴,锌,钛,银,铜和钍。 回收方法包括分离金属硫化物,在降低的温度下将硫化物与卤化氢接触,并将得到的熔融金属盐卤化物再循环到甲烷化反应器中。

    Methanol fuel containing flame luminosity agent
    5.
    发明授权
    Methanol fuel containing flame luminosity agent 失效
    含有火焰发光剂的甲醇燃料

    公开(公告)号:US5266080A

    公开(公告)日:1993-11-30

    申请号:US419681

    申请日:1989-10-11

    摘要: The flame luminosity of a methanol fuel is appreciably enhanced by the addition thereto of at least one flame luminosity enhancing agent selected from the group consisting of azine dye, triarylmethane dye, fluorescein dye, imine dye and anthraquinone dye, said dye excluding any metal component whose combustion product(s) tend to cause excessive wear in an engine operated with the fuel composition or tend to significantly interfere with normal operation of such engine or any of its associated systems, the flame luminosity of the fuel composition during burning being appreciably enhanced relative to the flame luminosity of the same burning fuel composition but to which no flame luminosity enhancing agent has been added.

    摘要翻译: 通过加入至少一种选自吖嗪染料,三芳基甲烷染料,荧光素染料,亚胺染料和蒽醌染料的火焰光亮度增强剂,甲醇燃料的火焰亮度明显增强,所述染料不包括任何金属组分, 燃烧产物倾向于在用燃料组合物操作的发动机中引起过度磨损,或者倾向于显着地干扰这种发动机或其任何相关系统的正常操作,燃烧期间燃料组合物的火焰亮度相对于 相同燃烧燃料组合物的火焰亮度,但没有添加火焰光亮度增强剂。