New glycol-unit design achieves VOC, BTEX reductions

Loren E. Gearhart El Paso Field Services Co. Farmington, N.M. This 10-ft high contactor contains 2 trays but functions equivalent to 10 actual trays in a conventional column (Fig. 1). This is a view from the top of the contactor (Fig. 3 [16,534 bytes]). This view if from inside the contactor, looking over a tray that has had its usual layer of Pall rings removed (Fig. 4 [12,409 bytes]). The stripper (seen vertically behind the reboiler with vapor coming out its top) removes BTEX and VOCs and sends them to be burned as fuel in the reboiler (Fig. 5 [10,063 bytes]). Removing volatile organic compounds (VOCs) and benzene, toluene, ethylbenzene, and xylene (BTEX) from natu...

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