The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 27, 2001
Filed:
Sep. 03, 1999
Christian Busson, Charbonniere, FR;
Jean-Pierre Burzynski, Sainte-Foy-les-Lyon, FR;
Pierrr Marache, Malmaison, FR;
Christian Dubois, Argenteuil, FR;
Institut Francais du Petrole, Rueil Malmaison Cedex, FR;
Abstract
A continuous pyrolysis and decoking process and apparatus is described for the production of acetylenic compounds, in which hydrocarbons and steam are circulated in at least one tube (,) of a steam cracking reactor (,) and steam is circulated in at least one tube (,) of that reactor. The hydrocarbon effluent and steam then circulate in at least one row (,) of a pyrolysis reactor (,) and the decoking effluent comprising steam circulate in at least one other row (,) of that reactor (,) to effect decoking. A set of valves V,V,V,V,is used to alternate the pyrolysis step path and the decoking step path. The temperature in the steam cracking furnaces is lower than that in the pyrolysis reactor.