Using a new catalytic system, steamcrackers can produce more C3s from existing units
The annual growth rates for propylene exceeds that
of ethylene. Accordingly, olefin manufacturers are seeking
cost-effective options to obtain the highest propylene to
ethylene ratios (P/E) from steamcrackers - the main propylene
source with 70% share in the primary production. In the
cracking furnaces, the achievable P/E is limited to
approximately 0.65. At higher ratios, the total olefins yield
(i.e., the sum of ethylene and propylene) drops to an
uneconomically low level.
To overcome this situation, different approaches
have been applied to achieve higher propylene production. The
secondary propylene production routes
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