An engineering assessment of the burning of the combustible fraction of construction and demolition wastes in a redundant brick kiln

N. B. Chang, K. S. Lin, Y. P. Sun, H. P. Wang

研究成果: Article同行評審

6 引文 斯高帕斯(Scopus)

摘要

This paper confirms both technical feasibility and economic potential via the use of redundant brick kilns as an alternative option for disposal of the combustible fractions of construction and demolition wastes by a three-stage analysis. To assess such an idea, one brick kiln was selected for performing an engineering feasibility study. First of all, field sampling and lab-analyses were carried out to gain a deeper understanding of the physical, chemical, and thermodynamic properties of the combustible fractions of construction and demolition wastes. Kinetic parameters for the oxidation of the combustible fractions of construction and demolition wastes were therefore numerically calculated from the weight loss data obtained through a practice of thermogravimetric analyzer (TGA). Secondly, an engineering assessment for retrofitting the redundant brick kiln was performed based on integrating several new and existing unit operations, consisting of waste storage, shredding, feeding, combustion, flue gas cleaning, and ash removal. Such changes were subject to the operational condition in accordance with the estimated mass and energy balances. Finally, addressing the economic value of energy recovery motivated a renewed interest to convert the combustible fractions of construction and demolition wastes into useful hot water for secondary uses.

原文English
頁(從 - 到)1405-1418
頁數14
期刊Environmental Technology (United Kingdom)
22
發行號12
DOIs
出版狀態Published - 2001 12月 1

All Science Journal Classification (ASJC) codes

  • 環境化學
  • 水科學與技術
  • 廢物管理和處置

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