C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 9/20 (2006.01) C10G 9/14 (2006.01) C10G 9/36 (2006.01) G01N 21/35 (2006.01) G01N 30/12 (2006.01)
Patent
CA 2511548
A process and apparatus for determining the hydrogen-to carbon ratio of the liquid fraction of a pyrolysis product by determining the hydrogen-to-carbon ratio of the pyrolysis product gas fraction and subtracting the thus determined value from the determined hydrogen-to-carbon of the hydrocarbon feed to the pyrolysis furnace. The determined value for the hydrogen-to-carbon ratio of the liquid fraction is used as a measure of cracking severity and in the control of the pyrolysis furnace in response to differences between the desired and actual hydrogen-to-carbon ratio of the liquid fraction.
L'invention concerne un procédé et un appareil permettant de déterminer le rapport hydrogène-carbone de la fraction liquide d'un produit de pyrolyse par détermination du rapport hydrogène-carbone de la fraction gazeuse du produit de pyrolyse et soustraction de la valeur ainsi déterminée à partir du rapport hydrogène-carbone déterminé de la charge d'hydrocarbures dans le four à pyrolyse. La valeur déterminée du rapport hydrogène-carbone de la fraction liquide est utilisée en tant que mesure de sévérité de craquage et pour contrôler le four à pyrolyse en réponse à des différences entre le rapport hydrogène-carbone souhaité et réel de la fraction liquide.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Shell Internationale Research Maatschappij B.v.
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