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High-intensity drying processes-impulse drying

Description: Impulse drying is an innovative process for drying paper that holds great promise for reducing the energy consumed during the manufacture of paper and similar web products. impulse drying occurs when a wet paper web passes through a press nip in which one of the rolls is heated to a high temperature. A steam layer adjacent to the heated surface grows and displaces water from the sheet in a very efficient manner. The energy required for water removal is very much less than that required for conv… more
Date: June 1, 1991
Creator: Orloff, D.I.
Partner: UNT Libraries Government Documents Department
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Construction and testing of a flue-gas corrosion probe

Description: The selection of suitable materials for industrial, waste-heat- recovery systems requires assessment of corrosion of materials in various flue-gas environments. Such assessments involve exposing candidate materials to high-temperature flue gases and analyzing the effects of the exposure conditions. Because corrosion is related to flue-gas chemical composition and temperature, variations in temperature complicate the determination of corrosion rates and corrosion mechanisms. Conversely, a relati… more
Date: August 1, 1990
Creator: Federer, J.I. & McEvers, J.A.
Partner: UNT Libraries Government Documents Department
open access

Research and development to overcome fouling of membranes

Description: During this first year of the program, we have successfully accomplished the main objective of demonstrating the feasibility of using piezoelectrically assisted ultrafiltration to reduce membrane fouling and enhance the flux through ultrafiltration membranes. A preliminary economic evaluation, accounting for the power consumption of the piezoelectric driver and the extent of permeate flow rate enhancement, has also shown that piezoelectrically assisted ultrafiltration is cost effective and econ… more
Date: June 1, 1992
Creator: Narang, S. C.; Sharma, S. K.; Ventura, S. C.; Roberts, D. L. & Ahner, N.
Partner: UNT Libraries Government Documents Department
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