Natural Gas
Processing
Refinery Gas Processing
Hydrogen Recovery
Purge Gas Processing
...Refinery Gas Processing
Off Gas Recovery for Propane Plus
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Recovery of C3 plus components from refinery off gases or fuel systems uses the same technology as LPG recovery from natural gas or ethylene recovery from refinery gases. The performance difference is in the feed gas. FCCU off-gas is typically more suitable for recovery of the high value ethylene/ethane mix. Coker off-gas will see higher profitability from C3 plus recovery. Compared to natural gas, the coker or fuel gas systems are much richer in C3 plus, increasing profitability and giving absorption technology a decided edge verus use of cryogenic technologies. In C3 plus operation, the AET technology would operate with a C5+ regenerator tower bottoms products (and solvent composition) and a C3-C4 regenerator overhead product.
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