Analysis and Optimization of Chlorocarbon Incineration through Use of a Detailed Reaction Mechanism

Wenpin Ho, Michael R. Booty, Richard S. Magee, Joseph W. Bozzelli

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Chemical species profiles are calculated by using a detailed reaction mechanism and a reactor code that simulates a well-mixed, three-zone incineration process. The chemical systems include CH3Cl/CH4 and CH2Cl2/CH4 oxidation in air at fuel equivalence ratios ø from 0.8 to 1.1, with additives injected at downstream positions. Combustion is characterized for temperature, principal organic hazardous constituent (POHC), and product of incomplete combustion (PIC) levels. Major PICs comprise Cl, Cl2, CO, HOCl, and COCI2 and are calculated versus time, temperature, fuel equivalence ratio, and feed conditions. Steam, H2O2, O2, air, and other species are injected as additives in the burnout region to discern changes in the combustion chemistry. Steam addition improves or decreases the CO/CO2 ratio at an additive mole fraction of 0.1. Atomic CI is the active radical species of highest concentration in the initial high-temperature reaction zone when CH3Cl is the POHC at a feed concentration above 1200 ppm and ø ≤ 1. Cl2 is found to be a major PIC under fuel-lean and stoichiometric conditions, while CO is a major PIC under fuel-rich conditions. Reduction of combined CO and Cl2 levels in the incinerator stack effluent is achieved by operation at stoichiometric conditions or slightly fuel-lean with the controlled addition of high-temperature steam.

Original languageEnglish (US)
Pages (from-to)4185-4192
Number of pages8
JournalIndustrial and Engineering Chemistry Research
Issue number12
StatePublished - Dec 1 1995

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • General Chemical Engineering
  • Industrial and Manufacturing Engineering


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