Waste recovery and utilization in the kraft recovery process

Details Waste recovery and utilization in the kraft recovery process Waste recovery and utilization in the kraft recovery process

1997-04-10

1998-10-13

McMahon, Timothy

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

162 3011, 162 36, 162 51, 162 62, 162375, 162381, 162DIG2, 422173, 422185, B01D 5000

Patent

active

058208305

ABSTRACT:
An integrated flue gas treatment and condensing heat exchanger is used to scrub sulfur dioxide from the flue gas produced by a power boiler used in a paper mill operating a kraft process. Sensible and latent heat from the flue gas is recovered and the condensate effluent from the condensing heat exchanger contains valuable chemicals that are returned to and used in the kraft process.

REFERENCES:
patent: 4487139 (1984-12-01), Warner
patent: 4557202 (1985-12-01), Warner
patent: 4705101 (1987-11-01), Warner
Johnson, Rowley & Schulze, Babcock & Wilcox and Carrigan, Condensing Heat Exchanger Corporation. The Babcock & Wilcox Company Technical Paper No. RDTPA 94-29, Integrated Flue Gas Treatment and Heat Recovery Using a Condensing Heat Exchanger. Presented at the 1994 American Power Conference, Apr. 25-27, 1994. Entire paper.
Reprint of article "Utility seeks to integrate heat recovery, flue-gas treatment", compiled by Collins from POWER magazine, May, 1993. Entire paper.
Brochure, "White Paper, Consending Heat Exchanger Technology", Copyright .COPYRGT.1993, The Babcock & Wilcox Company. Entire paper.
Steam: its generation and use, 40th Edition, copyright .COPYRGT.1992, The Babcock & Wilcox Company, Chapter 26.

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