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	The Highest Capacity and Highest Efficiency Crossflow Distillation Trays Available KOCH-GLITSCH is proud to offer SUPERFRAC^® trays to our customers in the hydrocarbon processing industries. The patented technologies used in SUPERFRAC^® trays are the culmination of over ten years of comprehensive tray development work. These trays are a unique combination of patented technologies and design strategies that produce the maximum capacity AND the maximum vapor/liquid contact efficiency achievable on a crossflow distillation tray. As a result, they afford the highest economic benefit to operators of distillation columns seeking solutions for both new construction and revamp projects. A well-designed conventional tray generally provides the most economically attractive solution for grass-roots column construction projects. With the passage of time, the operator�s throughput and product requirements typically increase to the point where the original trays become the primary constraint. Liquid and/or vapor maldistribution can reduce tray efficiency and lead to premature flooding due to entrainment. Less than optimal downcomer design ultimately results in premature downcomer flooding. Such performance shortcomings of conventional trays have been recognized for many years. Koch-Glitsch has invested significant resources to understand these shortcomings and to strategically address each one of them. SUPERFRAC^® trays and the know-how to design and apply them are the products of that investment. Koch-Glitsch has targeted three major areas for enhancing the performance of conventional trays: 1. Active Area Enhancements KOCH-GLITSCH has developed a variety of valve styles and technologies to enhance the vapor-liquid contacting which takes place on a tray deck. MINIVALVES� (fixed and floating), bubble promoters and proprietary design techniques enhance the effective bubbling activity on the tray, and improve the flow of fluid across the tray. Improvements to both hydraulic performance and mass transfer efficiency are the result. 2. Advanced Downcomer Technology A thorough understanding of downcomer flooding mechanisms in a wide variety of services is critical to successful application of high performance tray technology. Advanced downcomer technology developed by KOCH-GLITSCH provides the capability to accurately size and shape the downcomer, thus maximizing the active area available for vapor/liquid contact. Other benefits include multi-chordal side downcomer skirts and longer flowpath length for greater efficiency. 3. Inlet Area Enhancements Such enhancements provide greater active area for improved capacity, and better froth initiation and bubbling activity on the tray, thus increasing vapor liquid contact efficiency. A key design strategy of SUPERFRAC^® trays is to use these enhancements to eliminate the vapor and liquid maldistribution and stagnant zones that can occur on conventional trays. These enhancements promote uniform flow distribution at the tray inlet and the perimeter areas, with great benefit to the hydraulic performance and contact efficiency of the tray. Applications for SUPERFRAC^® TRAYS SUPERFRAC^® trays can be applied in virtually any service that conventional sieve and valve trays are used, for new construction or revamp opportunities. They are especially beneficial in applications requiring a large number of mass transfer stages, or where mass transfer efficiency is critical to the economics of the operation. Examples include superfractionators (ethylene, propylene, xylene), light hydrocarbon fractionators, splitters in chemical and petrochemical applications, and aromatics services. For fouling services KOCH-GLITSCH offers SUPERFLUX� trays, which can employ many of the features of SUPERFRAC^® trays. SUPERFLUX trays are designed to increase run-time in fouling applications using proprietary technology to address the specific fouling characteristics present in your operation. Contact your KOCH-GLITSCH representative for additional information.

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