GRI`s R and D program on natural gas dehydration
- Radian Corp., Austin, TX (United States)
- Gas Research Institute, Chicago, IL (United States)
As a result of increasing regulatory pressure, emissions of benzene, toluene, ethylbenzene, and the xylene isomers (BTEX) and other volatile organic compounds (VOC) from the regenerator still vent of glycol dehydration units have become a major concern for the natural gas industry. The Clean Air Act Amendments of 1990 have provided an impetus for air toxics regulations, and several states are regulating or considering of these units. To support the natural gas industry in complying with these regulations, Gas Research Institute (GRI) has initiated a coordinated research and development program in several areas related to glycol dehydration. These areas include sampling and analytical methods development; development and distribution of a stand-alone computer program, GRI-GLYCalc{trademark}, for estimating emissions; development and deployment of an emission control technology, R-BTEX{trademark}; development of a new glycol reclaiming process; and research into novel contacting devices that dehydrate natural gas while creating fewer emissions. This paper focuses on the results of the sampling and analytical methods and GRI-GLYCalc development efforts as well as the R-BTEX development. Insights regarding the effect of various process parameters and process operations on BTEX and VOC emissions are discussed in the context of the sampling and analytical field measurement results and the computer program development. An update on the R-BTEX process, including field test results from the most recently installed units, are also given. In addition, the paper provides a status report of the glycol reclaiming and contractor research and includes an overview of other potential dehydrator research issues.
- OSTI ID:
- 124645
- Report Number(s):
- CONF-9503132--
- Country of Publication:
- United States
- Language:
- English
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