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Pyrolysis and Combustion of Different Sewage Sludge by TG Analysis

Yong Chen

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Abstract

Thermal Gravimetric (TG) analysis is used to study characteristics of five kinds of sewage sludge in terms of their pyrolysis and combustion. It has been showed that the combustion thermograms are close to the corresponding pyrolysis curve in the first part and then departure for non-stabilized sludge while two curves coincide well or with little departure for the anaerobically stabilized sludge. Experiments are also conducted with acid- washed sludge samples to test the effects of metal contents.

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What this paper is about

Thermal Gravimetric (TG) analysis is used to study characteristics of five kinds of sewage sludge in terms of their pyrolysis and combustion. It has been showed that the combustion thermograms are close to the corresponding pyrolysis curve in the first part and then departure for non-stabilized sludge while two curves coincide well or with little departure for the anaerobically stabilized sludge. Experiments are also conducted with acid- washed sludge samples to test the effects of metal contents.

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Available abstract

Thermal Gravimetric (TG) analysis is used to study characteristics of five kinds of sewage sludge in terms of their pyrolysis and combustion. It has been showed that the combustion thermograms are close to the corresponding pyrolysis curve in the first part and then departure for non-stabilized sludge while two curves coincide well or with little departure for the anaerobically stabilized sludge. Experiments are also conducted with acid- washed sludge samples to test the effects of metal contents.

Key concepts: Sewage sludge, Pyrolysis, Combustion, Waste management, Thermogravimetric analysis, Gravimetric analysis, Chemistry, Environmental science

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