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Continuous experiment regarding hydrogen production by coal/CaO reaction with steam (I) gas products

机译：关于煤/ CaO与蒸汽（I）气体产物反应制氢的连续实验

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Coal/CaO powder mixtures were continuously supplied into a reactor to react with steam at high pressure and high temperature. At 923 K and 5.0 MPa, the gas produced from the reaction of Taiheiyo coal/CaO with steam consisted of mainly H_2, with smaller amounts of CH_4, C_2H_4, C_2H_6 and CO_2. Increasing the pressure enhanced H_2 production and CH_4 decomposition. Above 3 MPa, the gas from the reaction contained <3 percent CO and CO_2. Under high pressure, CaO reacted with steam to form Ca(OH)_2 which absorbed CO_2. The H_2/CH_4 ratio in the product gases from three different rank coals (Datong coal (bituminous), Taiheiyo coal (sub-bituminous), Wyoming coal (lignite) followed the order Datong > Taiheiyo > Wyoming. The Wyoming and Datong coals produced less H2 than the Taiheiyo coal.
机译：将煤/ CaO粉末混合物连续供入反应器中，以在高压和高温下与蒸汽反应。在923 K和5.0 MPa压力下，Taiheiyo煤/ CaO与蒸汽反应产生的气体主要由H_2组成，CH_4，C_2H_4，C_2H_6和CO_2的含量较少。增加压力可以提高H_2的生成和CH_4的分解。高于3 MPa，来自反应的气体包含<3％的CO和CO_2。在高压下，CaO与蒸汽反应形成吸收CO_2的Ca（OH）_2。三种不同等级煤（大同煤（烟煤），太黑洋煤（亚烟煤），怀俄明煤（褐煤））的产物气中的H_2 / CH_4比率依次为大同>太黑洋>怀俄明州，怀俄明和大同煤的产量较少H2比Taiheiyo煤炭。

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