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Abstract
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Article Information:
Radiotracer Investigation of Clinker Grinding Mills for Cement Production at Ghacem
I.I. Mumuni, C.P.K. Dagadu, K.A. Danso, P.S. Adu, H.A. Affum, I. Lawson, G.K. Appiah, A. Coleman and M.A. Addo
Corresponding Author: Ishmael Iddisah Mumuni
Submitted: 2010 October, 19
Accepted: 2010 November, 27
Published: 2011 January, 20 |
Abstract:
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Radiotracer Residence Time Distribution (RTD ) method was used to investigate the process of
clinker grinding in Ghana Cement Plant (GHACEM) at Tema with the objective of determining hold-up and
grinding efficiencies of two ball mills operating in close circuit regime. The experiment was conducted using
40Ci Au-198 radiotracer in liquid state and highly sensitive NaI detectors for radiation measurement. The
experimental RTD data revealed that the Mean Residence Times (MRT) of the material in the milling and
separator sections of both mills were the same. It was also observed from the estimated mill efficiencies that
mill 4 operated with optimal performance while the efficiency of mill 3 was far below the expected value.
Key words: Cement, efficiency, hold-up, modelling, RTD, ,
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Cite this Reference:
I.I. Mumuni, C.P.K. Dagadu, K.A. Danso, P.S. Adu, H.A. Affum, I. Lawson, G.K. Appiah, A. Coleman and M.A. Addo, . Radiotracer Investigation of Clinker Grinding Mills for Cement Production at Ghacem. Research Journal of Applied Sciences, Engineering and Technology, (01): 26-31.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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