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1. (WO2015043697) METHOD FOR CLEANING A CRACKING GAS STREAM IN A PRIMARY FRACTIONATION COLUMN

Pub. No.:    WO/2015/043697    International Application No.:    PCT/EP2014/002146
Publication Date: Fri Apr 03 01:59:59 CEST 2015 International Filing Date: Wed Aug 06 01:59:59 CEST 2014
IPC: B01D 53/14
B01D 53/18
C10K 1/18
C10G 5/04
B01D 3/14
B01D 3/16
B01D 3/22
B01D 3/28
B01D 3/32
Applicants: LINDE AKTIENGESELLSCHAFT
Inventors: ALZNER, Gerhard
MATTEN, Christian
Title: METHOD FOR CLEANING A CRACKING GAS STREAM IN A PRIMARY FRACTIONATION COLUMN
Abstract:
The invention relates to a method for separating a gasoline fraction and an oil fraction from a cracking gas stream (S) in a primary fractionation column (1), the ratio of the amount of substance per time unit of the gasoline fraction (F) returned to the gasoline section (20) at the top (11) relative to the amount of substance per time unit of the cracking gas (S) fed to the oil section (21) is in a range of 1:16 to 1:10, preferably 1:12 to 1:10.