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A novel design for green and economical cement manufacturing

Benhelal, Emad and Zahedi, Gholamreza and Hashim, Haslenda (2011) A novel design for green and economical cement manufacturing. Journal of Cleaner Production, 22 (1). pp. 60-66. ISSN 0959-6526

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Official URL: http://dx.doi.org/10.1016/j.jclepro.2011.09.019


This paper presents new design of pyro-processing unit in a cement factory. In this case decomposition reactions have been separated from other reactions which result in pure carbon dioxide production. Decomposition reactions take place in calciner without fuel consumption by utilizing a hot CO 2 stream as heat carrier and exhaust gases have been employed to produce steam and power. As result of such novelties new process can significantly reduce 66% of CO 2 emission and 2.3% of energy consumption compared to the existing process. Moreover proposed design demonstrated remarkable environmental advantages against some relevant studies and processes. As far as process economy is concerned, novel design can annually achieve 20.7 million USD gross incomes compared to the base case.

Item Type:Article
Uncontrolled Keywords:cement plant, CO 2 emission reduction, energy efficiency, simulation
Subjects:Q Science > QD Chemistry
Divisions:Chemical Engineering
ID Code:28590
Deposited By: Mrs Liza Porijo
Deposited On:25 Oct 2012 06:58
Last Modified:13 Feb 2017 02:34

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