Axens can offer all kind of configurations for either single or mixed cuts, such as:
- C3 Total Hydrogenation
- C4 Total Hydrogenation
- C4-C5 Total hydrogenation
Through total hydrogenation, the characteristics of the cut for co-cracking are optimized towards better ethylene yield, lower coking of the cracking furnaces as a result of the full elimination of diolefins.
To date, when butadiene is extracted, relying on the raffinate’s total hydrogenation is an excellent way to further improve the co-cracking feed quality. It can also be an option of choice when the amount of crude C4 is too small to make the implementation of a butadiene extraction economically interesting.
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