Archives :: Processing & Handling :: Separation (Liquid-Liquid & Gas-Liquid)
August 1, 2010
My first distillation dream occurred about 30 years ago, and yet, I recall it as vividly as if it were yesterday. In it, my distillation-column design work started with a vapor-liquid thermodynamic model that was widely regarded as perfect. I had operating data from ten similar columns. The feed composition was precisely known, and there were no alternative feedstocks. The overhead specification was easy...
June 1, 2010
I have 70 supervisors. It sometimes feels like I am pulled in 70 different directions — north, south, east, west, up, down and inside-out. But even after two years at this job, I can still hold my hand steady — if I put it in a vice. Nevertheless, I feel that I have the best job in the distillation world; I am technical director at Fractionation Research, Inc. (FRI; Stillwater, Okla....
August 1, 2009
Successful adsorber design requires information about certain adsorbent properties, including: adsorbent densities and void fractions; isotherms or other equilibrium data; and data on mass-transfer kinetics and fixed-bed dynamics. Here, these adsorbent properties are explained, along with corresponding equations. Densities and void Fractions Three densities are relevant: bulk, particle and solid. There are...
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