Ethylene cracking
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In the mixed C4 produced by ethylene cracking, what is the typical range for the contents of isobutylene and butadiene? ?
Isobutylene has not been measured. In the mixed C4 fraction in my facility, the proportion of 1,3-butadiene seems to be around 40-50%, but this varies depending on the raw materials used.
In the unit where I work, the proportion of 1,3-butadiene in the mixed C4 mixture seems to be around 48-53%, while isobutylene accounts for approximately 50% after the butadiene has been separated