Abstract
Mixed solvent solutions of Solvent X in TEG at various concentrations were developed to simultaneously sweeten and dehydrate a wet, sour natural gas stream. An experimental apparatus consisting of a high pressure gas circulation loop and a low pressure solvent recovery loop was used to test the sweetening capabilities of the solvent mixture. The solution was gravity fed through a packed contactor, counter-current to the wet, sour gas stream in order to remove a portion of the H2S- Gas samples were taken from the inlet and outlet to the contactor and analyzed for H2S content. General and detailed analysis of the data provided an assessment of solvent performance as a gas sweetener. The results were both qualitative and quantitative in nature. These results demonstrated that the mixture was capable of removing some H2S from the gas stream; however, it was concluded that the measured removal was not sufficient to meet industrial sweetening requirements of < 5 ppm H2S in the outlet stream. Therefore, the mixture of Solvent X in TEG does not qualify as an adequate industrial gas sweetening agent.
Garza, Jaime Javier (1997). Simultaneous sweetening and dehydration of natural gas using a mixed solvent solution. Master's thesis, Texas A&M University. Available electronically from
https : / /hdl .handle .net /1969 .1 /ETD -TAMU -1997 -THESIS -G37.