The coal indirect liquefaction oil processing equipment of Ordos Coal Liquefaction Subsidiary Company is modified to medium pressure coal tar coal diesel distillate hydrogenation unit (hereinafter for short as medium ...The coal indirect liquefaction oil processing equipment of Ordos Coal Liquefaction Subsidiary Company is modified to medium pressure coal tar coal diesel distillate hydrogenation unit (hereinafter for short as medium pressure coal tar hydrogenation unit) which is mainly used for processing wax oil and coal tar and producing naphtha, diesel and the like. The light hydrocarbon is contained in the by-product dry gas, which is sent to direct liquefaction light hydrocarbon recovery unit to obtain liquefied petroleum gas (LPG). The process conditions mainly influencing coal tar hydrogenation include: reaction temperature, reaction pressure, space velocity and hydrogen/oil ratio. In this paper, the influence of process conditions on coal tar hydrogenation is briefly described, and the influence of process conditions on production process is discussed based on the practice experience of medium pressure coal tar coal diesel distillate hydrogenation unit in Ordos Indirect Liquefaction Production Center.展开更多
文摘The coal indirect liquefaction oil processing equipment of Ordos Coal Liquefaction Subsidiary Company is modified to medium pressure coal tar coal diesel distillate hydrogenation unit (hereinafter for short as medium pressure coal tar hydrogenation unit) which is mainly used for processing wax oil and coal tar and producing naphtha, diesel and the like. The light hydrocarbon is contained in the by-product dry gas, which is sent to direct liquefaction light hydrocarbon recovery unit to obtain liquefied petroleum gas (LPG). The process conditions mainly influencing coal tar hydrogenation include: reaction temperature, reaction pressure, space velocity and hydrogen/oil ratio. In this paper, the influence of process conditions on coal tar hydrogenation is briefly described, and the influence of process conditions on production process is discussed based on the practice experience of medium pressure coal tar coal diesel distillate hydrogenation unit in Ordos Indirect Liquefaction Production Center.