Rotary kiln incineration of dichloromethane and xylene: A comparison of incinerability characteristics under various operating conditions

Journal Article · Thu Aug 01 00:00:00 EDT 1991 · Journal of the Air and Waste Management Association; (United States)

DOI:https://doi.org/10.1080/10473289.1991.10466904· OSTI ID:5151396

Cundy, V A; Lu, C; Cook, C A; Sterling, A M; Leger, C B; Jakway, A L; Montestruc, A N; Conway, R ^[1]; Lester, T W ^[2]

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1. Louisiana State Univ., Baton Rouge (United States)
2. Univ. of Kentucky, Lexington (United States)

Comparisons are made, for the first time, between the combustion characteristics of dicholoromethane and xylene in an industrial rotary kiln incinerator. The comparisons are made under different operating conditions, including variable kiln rotation rate and operation both with and without turbulence air. Continuous gas composition and temperature measurements and batch gas composition measurements were obtained from two vertical locations near the exit region of the rotary kiln. The measurements show that there is significant vertical stratification at the exit of the kiln. Addition of turbulence air enhanced combustion conditions throughout the kiln during xylene processing. During dichloromethane processing, however, the addition of turbulence air had minimal effect and only promoted greater bulk mixing; chlorinated compounds transported from the lower kiln during operation with turbulence air were not efficiently processed in the upper kiln. Evolution of test liquids from the bed was not constant but rather was characterized by intermittent peaks. The field-scale data of this work suggest that the evolution rate of the test liquid was increased as kiln rotation rate increased. Many of the differences between xylene and dichloromethane processing during these experiments are explained by a simple stoichiometric analysis.

• OSTI ID: 5151396
• Journal Information: Journal of the Air and Waste Management Association; (United States), Vol. 41:8; ISSN 1047-3289
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
54 ENVIRONMENTAL SCIENCES
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
METHYLENE CHLORIDE
COMBUSTION
XYLENES
AUTOMATION
COMPARATIVE EVALUATIONS
DECOMPOSITION
EFFICIENCY
INCINERATORS
SAMPLING
TECHNOLOGY ASSESSMENT
ALKYLATED AROMATICS
AROMATICS
CHEMICAL REACTIONS
EVALUATION
HYDROCARBONS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
OXIDATION
THERMOCHEMICAL PROCESSES
400800* - Combustion
Pyrolysis
& High-Temperature Chemistry
540120 - Environment
Atmospheric- Chemicals Monitoring & Transport- (1990-)
320305 - Energy Conservation
Consumption
& Utilization- Industrial & Agricultural Processes- Industrial Waste Management