Plasma Chemical Gasification Of Sewage Sludge  

Oleh:

Balgaranova, Janetta

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Waste Management & Research vol. 21 no. 1 (Feb. 2003), page 38-41.
Topik: Plasma; gasification; steam; sewage sludge; wmr 605–3.
Fulltext: 38.pdf (130.99KB)

Isi artikel

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°C. The calculated average temperature in the reactor after mixing with the sludge particles is up to 1700°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.

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