Method for catalytic pyrolysis of high temperature coal tar with iron oxide scale and magnetite
A high-temperature coal tar, catalytic pyrolysis technology, applied in catalytic cracking, cracking, petroleum industry, etc., can solve the problems of short service life of catalyst, easy coking of catalyst, difficulty of industrialization, etc., achieve high activity, good application prospect, easy Achieved effect
Inactive Publication Date: 2018-05-29
ANHUI UNIVERSITY OF TECHNOLOGY
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Abstract
The invention discloses a method for catalytic pyrolysis of high temperature coal tar with iron oxide scale and magnetite, and belongs to the technical field of coal tar processing. The method comprises the steps: industrial waste residue iron oxide scale and iron ore magnetite which are capable of high-efficiency pyrolysis of the high temperature coal tar are selected as catalysts, and under conditions of the pyrolysis temperature of 500-800 DEG C, the mass ratio of tar to the catalyst of (0.1-10):1 and the inert gas flow velocity of 50-200 ml/min, the high temperature coal tar is converted into light tar. By use of the cheap industrial waste residue and magnetite as the catalysts, the high temperature coal tar is subjected to high-efficiency catalytic pyrolysis, and a new idea is provided for high added value utilization of the high temperature coal tar and re-utilization of the industrial waste residue; the catalytic pyrolysis process is simple to operate and easy to realize, and thus the method has good application prospect.
Application Domain
Catalytic crackingHydrocarbon oils treatment
Technology Topic
TarBrown iron oxide +8
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