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Fixed-bed technology purifies rich gas with H2S, Hg. E.F. Rhodes, P.J. Openshaw and P.J.H. Carnell. OGJ, 31 May 1999, 97(22), 58--63.

Details are given of the treatment of dense-phase natural gas with fixed-bed technology which has been proven effective and economic at the North Sea terminal for Central Area Transmission System (CATS). The central Graben development is described, and the dense-phase operation, testing, mercury removal, and material handling is examined. The gas processing plant is discussed and LPG fractionation, and operating experience are described. 4 refs.

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