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    • 7. 发明授权
    • Process for the superatmospheric gasification of solid carbonaceous
materials
    • 固体碳质材料超大气气化的工艺
    • US4322221A
    • 1982-03-30
    • US180124
    • 1980-08-21
    • John F. Kamody
    • John F. Kamody
    • C10J3/46C10J3/00
    • C10J3/466C10J3/506C10J3/78C10J3/84C10J2300/093C10J2300/0953C10J2300/0956C10J2300/0959C10J2300/0969C10J2300/0976C10J2300/1807Y10S48/02Y10S48/07
    • A process is disclosed for gasifying solid carbonaceous material at elevated temperature and pressure to produce a gas consisting of carbon monoxide and hydrogen, which comprises forming a slurry at atmospheric pressure of the carbonaceous material with a liquid having a specific gravity of from 1.1 to 1.9, a boiling temperature of at least 70.degree. F., a latent heat of vaporization less than about 200 BTU per pound, a critical temperature which is less than the incipient coking temperature of the carbonaceous material, a stability at temperatures up to 600.degree. F., an essentially inert chemical reaction with the carbonaceous material at temperatures less than about 600.degree. F., an immiscibility with water or solubility in water at no more than 5%, and a dissolving ability for hydrogen sulfide at temperatures of from -40 to 250.degree. F., and raising the formed slurry to a pressure of at least the gasification pressure and vaporizing said liquid and gasifying said carbonaceous material, either in the same or in separate steps. Examples of suitable slurrying liquids are: carbon tetrachloride, carbon disulfide, trichloroethylene, bromoethane, chlorobenzene, methane dichloride, chloroform, or mixtures thereof.
    • 公开了一种用于在升高的温度和压力下气化固体碳质材料以产生由一氧化碳和氢气组成的气体的方法,其包括在碳质材料的大气压下用比重为1.1至1.9的液体形成浆料, 沸腾温度至少为70°F,蒸发潜热低于约200 BTU /磅,临界温度小于碳质材料的初始焦化温度,在高达600°F的温度下的稳定性。 在低于约600°F的温度下与碳质材料发生基本上惰性的化学反应,与水的不混溶性或在水中的溶解度不超过5%,以及在-40至250℃的温度下硫化氢的溶解能力 将所形成的浆料升至至少气化压力的压力并使所述液体蒸发并气化所述含碳材料,eithe r在相同或单独的步骤。 合适的制浆液体的实例是:四氯化碳,二硫化碳,三氯乙烯,溴乙烷,氯苯,甲烷二氯化物,氯仿或其混合物。