Multiple Downcomer (MDTM) trays are used for large liquid loads, particularly when the volumetric ratio between vapor and liquid rates is low. These situations occur in medium to high pressure …

For over 50 years, UOP has been a leading supplier of high-performance heat transfer and separation equipment for the petrochemical, gas and refining industries, providing high …

UOP distillation trays and heat transfer tubes are tailor designed to maximize column and heat exchanger performance within the unique needs and operating conditions for each process unit.

To understand all the complexity of trays, it is necessary to get an overview of the various shapes and layouts of downcomers. The main function of the downcomer is to collect all liquid from …

Sep 19, 2017 · The UOP Multiple Downcomer (MD) tray (Fig. 2.2) was the first commercially successful tray with an active area under the downcomers (Bruckert, 1968). According to the …

Jun 20, 2024 · UOP High Performance Tray & Tube Sangdoe Kim / Honeywell UOP Asia. 1 Maximized Production Rates Improved Product Purities Improved Produce Recoveries ...

Feb 4, 2009 · The UOP Multiple Downcomer (MD) tray was the first commercially successful tray with active area under the downcomers. The MD-type tray still makes up the majority of high …

Apr 14, 2010 · The MD tray is a distillation tray originally developed by Linde, and later on taken over by UOP. UOP later added some extra features to the tray, to increase the capacity even …

The UOP Propylene Recovery Unit is the most economic method to separate propylene from propane. It brings together three proven technologies — UOP’s MD distillation trays, High Flux …

UOP MD™ & ECMD™ Trays • High liquid handling capability — long total weir length and large downcomer area • Close tray spacing — enables reduction in column height • No receiving …