Physical And Chemical Processes In Baled Waste Fuel, With Emphasis On Gaseous Emissions  

Oleh:

Nammari, Diauddin R. ; Hogland, William ; Moutavtchi, Viatcheslav ; Marques, Marcia ; Nimmermark, Sven

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Waste Management & Research vol. 21 no. 4 (Aug. 2003), page 309-317.
Topik: Baling; waste fuels; emissions; leachate; waste decomposition; oxygen consumption; CO2 emission; wmr 536–4.
Fulltext: 309.pdf (1.81MB)

Isi artikel

Over a period of seven months, the temperature and the emissions from six cylindrical and two rectangular stored bales containing waste for later use as fuel were measured. The bales were kept at two different ranges of temperatures: 30-35°C and 20-25°C respectively. It was found that only the rectangular bales showed significant production of CO2. The increase of emission for one of the rectangular bales kept at 30-35°C, was 0.246% vol. CO2 per day for a 2-week period, after which there was a decrease of CO2 concentrations at a rate of 0.0224% vol. during a 32-week period. The other rectangular bale kept at 20- 25°C, exhibited a similar trend. However, the increase of CO2 concentrations was less at a rate of 0.0259% vol. per day during a 8-week period, after which the CO2 emission decreased at a rate of 0.0224% vol. per day during a 25- week period. All the bales exhibited aerobic decomposition in the sampling point. However on measuring the leachate concentrations, it was evident that the bales were actually in the equivalent acid-generating phase of a young landfill. The temperature inside the bales did not increase higher than the ambient air temperature.

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