Absorption of carbonyl sulfide in aqueous methyldiethanolamine
- Dept. of Chemical and Nuclear Engineering, Univ. of California, Santa Barbara, CA (US)
The absorption of carbonyl sulfide in aqueous methyldiethanolamine (MDEA) was studied over a range of temperatures and MDEA concentrations. MDEA is commonly used for selective absorption of hydrogen sulfide in the presence of carbon dioxide. However, sulfur in the form of COS may also be present and it is necessary that estimates of absorption rates of this compound be made. The objective of this study is to determine the physiochemical properties needed to predict COS absorption rates in aqueous MDEA. Free gas solubility and the diffusivity of COS in MDEA solutions were measured over the temperature range 15 to 40{sup 0}C for MDEA concentrations up to 30 weight per cent using the nitrous oxide analogy method. Solubilities were measured volumetrically in an equilibrium cell and diffusivities were measured using a laminar liquid jet absorber. The kinetics of the reaction between COS and MDEA were studied by measuring absorption rates in a single wetted-sphere absorber.
- OSTI ID:
- 5585408
- Report Number(s):
- CONF-880348-
- Resource Relation:
- Conference: American Institute of Chemical Engineers spring national meeting, New Orleans, LA (USA), 6-10 Mar 1988; Other Information: Technical Paper 68F
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
AMINES
SORPTIVE PROPERTIES
CARBON OXYSULFIDE
ADSORPTION
ABSORPTION
AQUEOUS SOLUTIONS
CHEMICAL REACTION KINETICS
DESULFURIZATION
ETHANOL
MATHEMATICAL MODELS
METHYL RADICALS
NATURAL GAS
ALCOHOLS
ALKYL RADICALS
CARBON COMPOUNDS
CHEMICAL REACTIONS
DISPERSIONS
ENERGY SOURCES
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
HYDROXY COMPOUNDS
KINETICS
MIXTURES
ORGANIC COMPOUNDS
RADICALS
REACTION KINETICS
SOLUTIONS
SORPTION
SULFUR COMPOUNDS
SURFACE PROPERTIES
030300* - Natural Gas- Drilling
Production
& Processing
400201 - Chemical & Physicochemical Properties