Method for preparing aromatic hydrocarbons and light oil through catalytic conversion of straight-run diesel oil

The invention provides a method for preparing aromatic hydrocarbons and light oil through catalytic conversion of straight-run diesel oil. The method comprises the following steps: 1) carrying out analkaline nitride removal pretreatment on straight-run diesel oil to obtain straight-run diesel oil wi...

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Bibliographische Detailangaben
Hauptverfasser:	CHENG ZHONGKE, TIAN LIANG, CHANG GUIZU, WANG XIAOQIANG, MENG HONG, LIU JIAXU, YANG LIBIN, MU ZHENZHEN, ZHANG ZHIHONG, XU JIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY CRACKING HYDROCARBON OILS FUELS LUBRICANTS METALLURGY MINERAL WAXES PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS REFORMING OF NAPHTHA TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention provides a method for preparing aromatic hydrocarbons and light oil through catalytic conversion of straight-run diesel oil. The method comprises the following steps: 1) carrying out analkaline nitride removal pretreatment on straight-run diesel oil to obtain straight-run diesel oil without alkaline nitride; and 2) performing a catalytic conversion reaction on the straight-run diesel oil without alkaline nitride by taking a transition metal ion modified nano ZSM-5 molecular sieve catalyst as a reaction catalyst to obtain aromatic hydrocarbons and light oil. Straight-run diesel oil without alkaline nitride is used as a reaction raw material, and a modified nano ZSM-5 molecular sieve is used as a catalyst to carry out a catalytic conversion reaction; the activity of the catalyst is high, the reactions are more efficient, the conversion rate of diesel macromolecules is increased, the yield of aromatic hydrocarbons is increased, the generation of dry gas (byproduct) is inhibited, the coking speed of