An empirical model fo rthe de novo formation of PCDD/F in medical waste incinerators

Article Abstract:

This study examines the PCCD/F (polychlorinated dibenzo-p-dioxins/furans) emissions at a 10 kg h(super-1) pilot scale incinerator burning medical waste. The model of PCCD/F formation that was developed for the chlorine-rich gas phase was based on the diffusion of HCl to the fly ash surface.

Economic aspects, Mining industry, Air pollution, Mineral industry, Medical wastes

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Presence of chlorine radicals and formation of molecular chlorine in the post-flame region of chlorocarbon combustion

Article Abstract:

This study examines the presence of clorine (Cl) radicals and the formation of Cl (sub 2) in the late stages of chlorocarbon combustion and postcombustion cooling stages. The pathways that make the presence of chlorine radicals and Cl (sub 2) possible in flue gas from combustion systems are identified.

Illustration, Flue gases

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A Simple Two-Reactor Method for Predicting Distribution of Trace Elements in Combustion Systems

Article Abstract:

Finnish researchers discuss a method for detecting arsenic, cadmium, mercury, nickel, lead, selenium, vanadium, and zinc in ash, and flue gas of coal-fired electric generator plants. Tables and figures accompany the article.

Finland, Electric Utilities, Electric Power Generation, Transmission and Distribution, Primary nonferrous metals, not elsewhere classified, Lead, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), All Other Basic Inorganic Chemical Manufacturing, Air Pollution Control, Electric services, Zinc, Bituminous Coal and Lignite Mining, Coal, Coal Mining, Nickel, Industrial inorganic chemicals, not elsewhere classified, Selenium, Cadmium, Arsenic & Compounds, Mercury, Uranium-radium-vanadium ores, Vanadium, Lead products, Zinc products, Pollution, Coal industry, Zinc (Metal), Selenium (Chemical element), Mercury (Metal), Arsenic

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