alexa Plasma chemical gasification of sewage sludge.
Environmental Sciences

Environmental Sciences

Journal of Bioremediation & Biodegradation

Author(s): Balgaranova J

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Abstract The possibility for plasma gasification of sewage sludge is investigated. Water steam is used as the plasma generating gas and as a chemical reagent. The experiments are carried out at a sludge to water steam ratio of 1 to 1.5 by weight, and at a plasma torch temperature of up to 2600 degrees C. The calculated average temperature in the reactor after mixing with the sludge particles is up to 1700 degrees C. Proximate and ultimate analyses of the sludge are given. The resulting gases are analysed by gas chromatography. High calorific gas containing mainly carbon monoxide (48\% volume) and hydrogen (46\% volume), as well as glass-like slag, is obtained. No water-soluble substances are detected within it. The amount of carbon dioxide produced is under 4\% mass. No hydrocarbons are observed within the gas. The investigated process is environmentally safe, compact and shows a high rate of conversion.
This article was published in Waste Manag Res and referenced in Journal of Bioremediation & Biodegradation

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