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Abstract

A method and a process arrangement for treating a feed before a quench column in an integrated process, in which the integrated process comprises at least one gasifier for forming a gasifier flow, at least one cracking furnace for forming a cracker flow, at least one quench column for treating the feed comprising the gasifier flow and cracker flow and at least one transfer line to supply the feed to the quench column. The gasifier flow is cooled at least partly for killing chemical reactions after a gasification, the cracker flow is cooled at least partly after the cracking furnace, the gasifier flow is combined to the cracker flow before a transfer line valve of the transfer line to form the feed to the quench column, and temperature of the feed is controlled to a predetermined temperature of the transfer line before the quench column.

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First Claim