July 2011

Special Report: Liquefied Natural Gas Developments

What are the benefits from mass transfer rate-based simulation?

Models are highly detailed and predictive

Weiland, R. H., Hatcher, N. A., Optimized Gas Treating, Inc.

Alkanolamines have been successfully used for 80 years for sweetening hydrocarbon products. Despite the longevity and track record of amine treating as a process, it is common to find that calculation methods rely heavily on rules-of-thumb and the now-antiquated approximation of ideal or theoretical stages. The advent 30 years ago of high-speed, desktop computing power makes this approach not just severely limiting, but also unnecessary. Designing for mass transfer. Compared with mass separations, heat transfer is a relatively simple operation involving transferring the single entity, heat. Mass transfer, on the other hand, involves transporting many components as well as heat. It also

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