Technology options for extraction and purification include cryogenic (propane refrigeration, turbo expander, etc.), pressure swing adsorption (PSA), semi-permeable membranes, compression and gas treating. BHTS has developed optimized configurations utilizing a combination of technologies to meet a refiner’s specific recovery and purity targets.
An initial screening study provides in-depth understanding of the current operation and identifies opportunities for segregation, extraction, treating and purification of hydrogen, NGLs and propylene fractions of various streams connected to the fuel gas system. This is followed by a comprehensive analysis which includes capital & operating cost estimating, equipment location, piping changes and utility / offsites impacts.
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