Email Document Reference

Enter your email address below and the reference for this document will be sent to shortly from webmaster@ceesi.com.

Title: Operations Of On-Line Gas Chromatography
Author: F.D. Martin
Source: 1991 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1991
Abstract: On-line gas chromatography is a special kind of GC that can be considered a concentration transmitter. The process is sensed and a process compatible signal is presented to a trend recorder, controller, DCS, or other device that is proportional to component concentration. An example would be 4-20 ma signal input to a cascade steam controller to control distillation column temperature based upon I-C4 concentration in the bottoms sample. It is a complex transmitter, but provides very important information for process monitoring and control. A process gas chromatograph is different from a laboratory GC in enclosure, automation, and output. It is designed for petro-chemical lnplant use. Calibration and sampling considerations are also somewhat different. Emphasis will be placed on these differences. The on-line or process gas chromatograph must provide data 24 hours a day, 7 days a week. all operations must be automated by the GC programmer. Some of these are listed in Figure 1.

In order to prevent spam and automated file downloads for documents within the Measurement Library, please follow the instructions below and then you will be able to email a reference to this article.