Hydrocarbon Processing Industry
A three channel system on the Agilent 7890B GC System was used for the determination of refinery gases. Channel 1, using an FID and alumina PLOT column, was used for hydrocarbons from methane to C6+. Hydrogen was measured on Channel 3, where nitrogen was used for carrier. Permanent gases and hydrogen sulfide were measured on Channel 2 using the G3507A large valve oven (LVO) under isothermal conditions with helium carrier. Micropacked (1/16 in od, 1.00 mm id) were used for the permanent gas channel. Channels 1 and 3 were temperature programmed with their columns in the main 7890B GC System oven. Analysis time averaged approximately 8.5 minutes including a hydrogen sulfide determination.
Publication number: 5991-3534EN.pdf
Publication Date: November 21, 2013