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Evaluation of Natural Porous Crab Shell Powder Used for the Enrichment of Sulfur Compounds from Gaseous Samples
Author(s) -
Sye WenFa,
Chen YenChun,
Wu ShangFei
Publication year - 2003
Publication title -
journal of the chinese chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.329
H-Index - 45
eISSN - 2192-6549
pISSN - 0009-4536
DOI - 10.1002/jccs.200300010
Subject(s) - chemistry , sulfur , shell (structure) , porosity , environmental chemistry , chemical engineering , organic chemistry , composite material , materials science , engineering
A glass liner of a PTV injector packed with porous crab shell powder (50–100 mesh) was used to enrich the trace concentrations of sulfur components in natural gas, then the sulfur gases were thermally released according to a programmed temperature from the crab shell powder trap and re‐collected in a PLOT‐column head cooled with liquid nitrogen. The sulfur compounds were revolatilized and directly transferred to the system of PLOT‐column gas chromatography/flameless sulfur chemiluminescence detector for analysis. The characteristics of natural crab shell powder as an adsorbent have been presented. The sulfur gaseous compounds known to cause nuisance odors in natural gas were determined. The application of a porous crab shell powder trap for the analysis of sulfur compounds from gaseous samples has been proved to be useful.