... hydrogen demand to achieve increased desulfurization needs or switches to heavier crudes Various suppliers provide pre-reformers including Haldor-Topsoe, Süd-Chemie, and Technip-KTI 55 13 Motors ... first been demonstrated about 20 years ago (Baker et al., 2000), and are used in various state-of-the-art plant designs Refinery offgas flows have a different composition, making different membranes ... million per year As part of the plant-wide assessment of the Equilon (Shell) refinery at Martinez, an analysis of the hydrogen network has been included (U.S DOE-OIT, 2002b) This has resulted in...