TY - SER AU - Mosca, Giuseppe AU - Pilling, Mark TI - Mini-Umbrella Valves Maximize Performance KW - HIGH-PERFORMANCE DISTILLATION COLUMNS N1 - The oil and gas industry requires high-performance distillation columns. In crude oil refineries, petrochemical plants, liquefied natural gas plants, and gas fields, it is important to maximize distillation efficiency and capacity without compromising the operating range and flexibility of the column. Sulzer's new UFMT (umbrella floating mini-valve) tray meets all these demands and thereby saves a great deal of energy ER -