Download PDF by American Institute of Chemical Engineers (AIChE): AIChE Equipment Testing Procedure - Trayed and Packed

By American Institute of Chemical Engineers (AIChE)

ISBN-10: 1118627717

ISBN-13: 9781118627716

This new version of a relied on advisor combines and updates the simplest on hand box wisdom on either trayed and packed distillation columns. in a single entire, trouble-free quantity, it provides a compilation of ideas instead of a unmarried set of obligatory steps, permitting readers to pick the method that most closely fits their wishes. With its engineer-tested tactics and special causes, the 3rd variation offers chemical engineers, plant managers, and different execs with first class recommendation on assessing and measuring functionality for quite a few distillation column kinds in a number of functions.

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Additional info for AIChE Equipment Testing Procedure - Trayed and Packed Columns: A Guide to Performance Evaluation

Sample text

0 Measurement of Flow Rates The rate of flow may be measured by means of instruments, such as orifices, rotameters, venturi, displacement, vortex, or mass flow meters, or by direct volume and weight measurement. Whenever possible, the instruments should be calibrated in place with the fluid to be measured, and at the temperature and pressure (gas measurement) at which it is to be used. 1). 4 0 3 . 1 Orifice Meters Orifice meters have been extensively investigated, and their performance can be accurately predicted for a variety of conditions.

A heating coil may also be necessary for gas samples taken from sources having pressures over 300 psig (2170 kPa) to prevent cooling by expansion below the freezing or condensation point of some 40 Trayed and Packed Columns constituents. The heater, in any case, should be placed between the block valve and the sampling valve. Otherwise, the equipment is similar to that required for gases (Figures 10 or 12). 8 Leakage Check Any leakages in sampling systems will impair the concentration measurements.

Many texts also are also devoted to the estimation of these properties. 0 Auxiliary Data Other physical properties useful in developing and testing correlations, and for analyzing the performance data, include viscosity, diffusivity, and surface tension. 0 Test Procedure Documentation The final phase of test planning should be a written document containing all pertinent test information. A complete document would include a summary of test objectives, manpower requirements, essential physical property data, pretest calculations, data collection procedures, sampling schedules, test sequence and any special safety and environmental considerations.

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AIChE Equipment Testing Procedure - Trayed and Packed Columns: A Guide to Performance Evaluation by American Institute of Chemical Engineers (AIChE)


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