Page 17 - Solution SystemGC for Hydrocarbon

Extended Re nery Gas Analyzer
Nexis GC-2030ERGA1 with Hydrogen / Nexis GC-2030ERGA2 without Hydrogen

Analyzer Description Typical Chromatogram

System Configuration:
・ 4 valves / 9 columns (packed and
capillary) / 2 TCDs / 2 FIDs
・ Dual Ovens
Sample Information:
・ Re ned gas or similar gaseous mixture
Compounds Analysed:
・ C1 to C14 hydrocarbons
・ He, H 2, O 2, N 2, CO, CO 2, C 2H 6, C 2H4,
C 2H 2, H 2S
Typical Concentration Range:
・ 0.01 % mol for permanent gases
and C2 hydrocarbons on TCD, except
for H 2S, 0.1 % for H 2S
・ 0.001 % for C3 to C13 hydrocarbons
Reference Method:
・ ASTM D-1946, D-1945, D-3588,
GPA-2286 Re nery Gas

Features

・ Dual TCD channels
・ FID for C3 to C6+ hydrocarbons
・ 2nd FID in second oven for C6 to C14
hydrocar-bons
・ Rugged packed and capillary columns
・ 10 mins analysis time
・ BTU Calori c and Speci c Gravity
Calculation

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