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    • 9. 发明授权
    • Hydroliquefaction of coal
    • 煤的水化
    • US4316792A
    • 1982-02-23
    • US106275
    • 1979-12-21
    • Morgan C. SzeHarvey D. Schindler
    • Morgan C. SzeHarvey D. Schindler
    • C10G1/00C10G1/08C10G1/06B01J8/18C10B57/02C10G51/06
    • C10G1/083
    • Coal is catalytically hydroliquefied by passing coal dispersed in a liquefaction solvent and hydrogen upwardly through a plurality of parallel expanded catalyst beds, in a single reactor, in separate streams, each having a cross-sectional flow area of no greater than 255 inches square, with each of the streams through each of the catalyst beds having a length and a liquid and gas superficial velocity to maintain an expanded catalyst bed and provide a Peclet Number of at least 3. If recycle is employed, the ratio of recycle to total feed (coal and liquefaction solvent) is no greater than 2:1, based on volume. Such conditions provide for improved selectivity to liquid product to thereby reduce hydrogen consumption. The plurality of beds are formed by partitions in the reactor.
    • 通过在单独的反应器中将分散在液化溶剂中的煤和氢向上通过多个平行的膨胀催化剂床,在分开的流中将煤分解成氢气,每个流具有不大于255英寸平方的横截面流动面积, 通过每个催化剂床的每个流具有长度和液体和气体空塔速度,以保持膨胀的催化剂床,并提供至少为3的佩佩克数。如果使用再循环,则循环与总进料的比例(煤 和液化溶剂)基于体积不大于2:1。 这样的条件提供了对液体产物的改进的选择性,从而降低了氢消耗。 多个床由反应器中的隔板形成。