By Andrzej Gorak, Hartmut Schoenmakers
Distillation: Operation and Applications is a unmarried resource of authoritative info on all features of the idea and perform of contemporary distillation, appropriate for complicated scholars and pros operating in a laboratory, business vegetation, or a managerial skill. It addresses an important and present study on business distillation, together with all steps in strategy layout (feasibility learn, modeling, and experimental validation), including operation and keep an eye on features. This quantity positive aspects an additional specialize in distillation applications.
- Practical info at the most recent improvement written via famous experts
- Coverage of an enormous diversity of laboratory and commercial distillation approaches
- Extensive references for every bankruptcy allows additional study
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Extra info for Distillation: Operation and Applications
Sample text
1(b) shows the configuration of the gas plant. The debutanizer reflux rate was so low it precluded significant fractionation. Also, the debutanizer pressure was about 700 kPa below design. Only a small amount of vapor, but no liquid, was being produced from the reflux drum. Since the purpose of the gas plant was to recover propane and butane as a liquid, the refinery manager’s statement that the gas plant would not operate was accurate. As a first step, I introduced myself to the chief operator and explained the purpose of my visit.
The total capital cost for the column shell and the two heat exchangers of the single-column configuration is $3,400,000. The total capital cost of the two vessels and the three heat exchangers in the heat-integrated configuration is $2,880,000. This somewhat surprising difference is a result of smaller-diameter columns and a smaller heat transfer area required because of the lower heat-transfer rates. 19 controls a temperature in the HPC (TC2) by manipulating reboiler duty in the HPC. Vapor boil-up in the HPC, of course, determines the vapor boil-up in the low-pressure column.
At first glance, it may seem a poor idea to control the level in the reflux drum of the second column at the end of the process by manipulating the flow rate of the fresh feed of A at the beginning of the process. However, changing the fresh feed flow rate has an immediate effect on the reflux drum level. When the drum level drops, the reverse-acting level controller increases the fresh makeup flow rate. This immediately reduces the flow rate of liquid leaving the drum because the flow rate of the total stream is flow controlled.
