Removal and determination of trimethylsilanol from the landfill gas.

Bioresource technology (2011-10-29)
Grzegorz Piechota, Manfred Hagmann, Roman Buczkowski
ABSTRACT

The removal and determination of trimethylsilanol (TMSOH) in landfill gas has been studied before and after the special E3000-ITC System. The system works according to principle of temperature swing. The performance of TMSOH and humidity removal was 20% and more than 90%, respectively. The six of active carbons and impinger method were tested on the full-scale landfill in Poland for TMSOH and siloxanes determination. The extraction method and absorption in acetone were used. The concentration of TMSOH and siloxanes were found in range from 23.6 to 29.2 mg/m3 and from 18.0 to 38.9 mg/m3, respectively. The content of TMSOH in biogas originating from landfill was 41% out of all siloxanes. Moreover, the used system is alternative to other existing technique of landfill gas purification.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Trimethylsilanol, ≥97.5% (GC)
Sigma-Aldrich
Potassium trimethylsilanolate, 90%, technical grade
Sigma-Aldrich
Tris(trimethylsilyl) phosphite, ≥95.0% (GC)
Sigma-Aldrich
Sodium trimethylsilanolate, 95%
Sigma-Aldrich
Lithium trimethylsilanolate, 95%

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