Patent ID: 6294079
Filing Date: 2001-09-25
Classification: C10G

Abstract:
An integrated hydrocarbon conversion process which employs both a hydrocracking reactor and a hydrotreating reactor, which process comprises:a.) passing a feed stream comprising hydrocarbons having boiling points above 400.degree. F. and hydrogen into a hydrotreating reaction zone operated at hydrotreating conditions and producing a hydrotreating reaction zone effluent stream comprising hydrogen, hydrogen sulfide, and hydrocarbons having boiling points above about 400.degree. F.;b.) separating the hydrotreating reaction zone effluent stream in an augmented first high pressure separator into a light fraction comprising hydrocarbons having boiling points below about 300.degree. F., an intermediate fraction which is rich in hydrocarbons having boiling points between about 300.degree. F. and about 700.degree. F., and a heavy fraction comprising hydrocarbons having boiling points above about 700.degree. F.;c.) passing the light fraction and a controlled first portion of each of the intermediate and heavy fractions into a second high pressure separator;d.) passing the remaining second portion of the intermediate and heavy fractions and hydrogen into a hydrocracking reaction zone operated at hydrocracking conditions, and producing a hydrocracking reaction zone effluent stream;e.) passing the hydrocracking reaction zone effluent stream into the second high pressure separator; and,f.) passing a liquid phase stream withdrawn from the second high pressure separator into a product recovery zone, and recovering at least one distillate hydrocarbon product stream.