The Gas Research Institute (GRI) has an R&D Program directed towards natural gas processing issues. Of particular interest is research on problems connected with small-scale subquality natural gas processing. Both fundamental, knowledge-building and applied research are carried out.

Processes and hardware developments in gas processing from this program which are at or near commercial introduction are reviewed. Included are the MVC Multivariable Process Control Optimization, R-BTEX process, and lithium bromide (LiBr) absorption chiller applications in gas conditioning. Obtaining significant technical information on performance of new gas processing technology is also an important activity of GRI and selected applications in this are discussed as well. Included in this category are results oftesting of commercial cellulose acetate membranes for CO2 removal from natural gas and field evaluation of Liquid Redox Sulfur Recovery processes.

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