Gas chromatographic determination of trace amounts of sulfur compounds in industrial effluents

Abstract

speed of analysis, and adequate sensitivity were attained. And the results obtained were comparable to the results of an established ASTM method.Concerning cost of equipment, a GC already owned by a laboratory can be used if it is equipped with an FPD and a gas mixing device, or a very inexpensive GC may be purchased. Even if all the necessary equipment has to be purchased, costs are only a little more than those required for the Lamp Method. Amortization of the equipment can readily be seen in the following rationale: The Lamp Method can analyze 12 samples per man day and a lead correction is necessary. The FPD method can analyze 60 samples per man day and no lead content correction is necessary. A fivefold increase in throughput is anticipated using the same staffing level. At an assumed figure of $80/man day the costs for replacing the Lamp Method by the GC/FPD are amortizable in less than three weeks.

Process Control and Investigation of Oxidation Kinetics of Postoxidative Effluents Using Gas Chromatography with Pulsed Flame Photometric Detection (GC-PFPD)

“…The main approaches to limiting atmospheric emissions are based on the encapsulation of technological processes and fume removal through air extraction, followed by further neutralization using a variety of operations. − Such processes often result in the formation of effluents, which should be subjected to further treatment to reduce their toxicity and malodorousness. Analytical procedures determining the effectiveness of VOC removal processes and quantifying their emissions to the atmosphere play an important role in such efforts. − …”