Closeout final report on a demonstration test and evaluation of the Cannon Low-NOx Digester System

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Description

Cannon Boiler Works Inc. has been investigating a system for removing NOx from the exhaust gases of furnaces, gas turbines, chemical reactors, incinerators, and boilers. Computer simulations, bench-scale and pilot plant tests have proved that the system is capable of removing substantially all of the NOx from natural gas fired equipment exhaust streams. Originally designated as the Cannon NOx Digester, it has recently been renamed the Low Temperature Oxidation (LTO) System for NOx and SOx Reduction. The principal elements in the system are a fan, heat exchanger, oxidation chamber, spray chamber acting as a gas/liquid absorber, demister, an ozone generator, ... continued below

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81 p.

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Creator: Unknown. April 1, 1995.

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Description

Cannon Boiler Works Inc. has been investigating a system for removing NOx from the exhaust gases of furnaces, gas turbines, chemical reactors, incinerators, and boilers. Computer simulations, bench-scale and pilot plant tests have proved that the system is capable of removing substantially all of the NOx from natural gas fired equipment exhaust streams. Originally designated as the Cannon NOx Digester, it has recently been renamed the Low Temperature Oxidation (LTO) System for NOx and SOx Reduction. The principal elements in the system are a fan, heat exchanger, oxidation chamber, spray chamber acting as a gas/liquid absorber, demister, an ozone generator, liquid oxygen storage or dry air supply system for the ozonator, chemical storage and metering system for the caustic neutralizer, and a data acquisition and control system. Most of the ozone is consumed in converting NOx to N{sub 2}O{sub 5} which hydrates to nitric acid which is then scrubbed out of the gas as it passes through the absorber. CO also reacts with ozone to form CO{sub 2} which is subsequently scrubbed out with NaOH. A demonstration, planned for the Alta Dena Dairy located near Los Angeles and in violation of California`s air quality regulations for natural gas fired boilers, was started, delayed due to boiler modifications, and will be continued shortly with new funding. This paper describes the LTO process and presents results from the initial demonstration.

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81 p.

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OSTI as DE95009640

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  • Other Information: PBD: [1995]

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  • Other: DE95009640
  • Report No.: DOE/PC/92161--1
  • Grant Number: FC22-92PC92161
  • DOI: 10.2172/52736 | External Link
  • Office of Scientific & Technical Information Report Number: 52736
  • Archival Resource Key: ark:/67531/metadc691911

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  • April 1, 1995

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  • Aug. 14, 2015, 8:43 a.m.

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  • Nov. 30, 2015, 6:32 p.m.

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Closeout final report on a demonstration test and evaluation of the Cannon Low-NOx Digester System, report, April 1, 1995; United States. (digital.library.unt.edu/ark:/67531/metadc691911/: accessed September 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.