Fluidized Bed Incineration in Capturing Trace Metals of Sewage Sludge

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概要

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• The use of solid sorbents to capture trace metals (e.g., Pb, Zn and Cd) in sewage sludge, generated from the wastewater treatment process of a Picture-Tube factory, during fluidized bed incineration was investigated experimentally in this study. All experiments were carried out in a 90 mm I.D. laboratory scale fluidized bed using various sorbents including limestone, alumina, silica sand and bentonite. The variations in operating conditions included incineration temperature, sorbent species, air flow rate and incineration time. The amounts of metals captured in the sorbents were measured using Atomic Absorption Spectrometry after acid digestion. The results indicate that bentonite is best for zinc capturing and alumina for lead capturing. The volume of sewage sludge can be reduced to at most 40% using fluidized bed incineration.

• 社団法人 化学工学会の論文
• 1998-12-01

著者

• Lin Wen-chih

  Department Of Chemical Engineering Tatung Institute Of Technology

• Wang Rong-chi

  Department Of Chemical Engineering Tatung Institute Of Technology

関連論文

• Fluidized Bed Incineration in Capturing Trace Metals of Sewage Sludge

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