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Harold Matthew Couch

Harold Thompson Couch

A radial flow regenerative counter flow heat exchanger includes a) a shell; b) a plurality of large circular baffle plates aligned coaxially within the shell and extending to an inner wall of the shell, defining at least one circular hole therein; c) a plurality of small circular baffle plates aligned coaxially within the shell, and alternately spaced from and coaxially positioned relative to each of the large circular baffle plates; d) a plurality of symmetrically-arranged tubes positioned perpendicular to the small baffle plates and the large baffle plates forming at least one coaxial tube bundle extending through the small baffle plates and large baffle plates, wherein an inner radius of the innermost tube row of the tube bundle is larger than a radius of the circular hole in the large baffle plate and the outer radius of the outermost tube row is smaller than a radius of the small baffle plates, and wherein the small baffle plate defines at least one space outside the tube bundle, and e) a heat transfer coefficient which is the same or nearly the same for all tubes. This heat exchanger can be used in a water treatment apparatus for economically killing pathogenic microorganisms harmful to humans or animals in water, and economically purifying water in conjunction with a catalytic wet oxidation reactor to remove organic contaminants.

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Simsbury, CT, United States of America

Harold Matthew Couch