CONSTRUCTION AND PERFORMANCE EVALUATION A SIMPLE UNIT FOR MASH COMPOST PELLETING

El-Shal, M. S.; El-Sharabasy, M. M. A.; El-Taher, S. E.

doi:10.21608/mjae.2012.101190

	CONSTRUCTION AND PERFORMANCE EVALUATION A SIMPLE UNIT FOR MASH COMPOST PELLETING
Misr Journal of Agricultural Engineering
Article 5, Volume 29, Issue 4, October 2012, Page 1315-1336 PDF (441.03 K)
Document Type: Original Article
DOI: 10.21608/mjae.2012.101190
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Authors
M. S. El-Shal¹; M. M. A. El-Sharabasy²; S. E. El-Taher³
¹Prof. of Ag. Eng. Dept., Fac. of Ag., Zagazig Univ., Egypt.
²Assist. Prof. of Ag. Eng. Dept., Fac. of Ag., Zagazig Univ., Egypt.
³Post graduate student, Ag. Eng. Dept., Fac. of Ag., Zagazig Univ., Egypt.
Abstract
Compost is considered an important source for agricultural fertilization, because it contains a high level of nutrients and organic matter. The compost is produced from different agricultural wastes and some additives like water and animal poultry residues. In this study, experiments were conducted to optimize some engineering and operating parameters affecting the performance of disk pelleting machine. The parameters under this study were four different roller rotating speeds of 175, 225, 275 and 325 rpm; fourdifferent die profiles of Die-A (18.8 mm land length with 13.5 mm entry diameter), Die-B (20.3 mm land length with 13.5 mm entry diameter), Die-C (18.8 mm land length with 14.2 mm entry diameter) and Die-D (20.3 mm land length with 14.2 mm entry diameter); four different compost raw martial moisture contents of(15, 20, 25 and30%) wb.The obtained results revealed that the pelleting machine has a high efficiency and maximum pellets quality under conditions of 20% compost raw material moisture content, 275rpm rollers speed and die profile (C) of (18.8 mm land length with 14.2 mm entry diameter). The optimum results were 287.79 kg/h pelleter productivity, 19.81 kW.h/Mg energy requirements, 93.68% pellets durability and 108.31 L.E/Mg cost per mass unit.


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CONSTRUCTION AND PERFORMANCE EVALUATION A SIMPLE UNIT FOR MASH COMPOST PELLETING

Bhienki, K. (2000): Factors influencing pellet quality. Department of grain science and industry. Manhattan Kansas state Univ. USA 66506-2201.

David, A. F. (2003b): Pelleting for profit-part2. National Grain and feed association. Feed and feeding digest, Vol. 54 No. 7 December 22.

Greer, D. and J. Fairchild (1999): Cold mash moisture control boosts pellet quality. Feed management, Vol. 50 No. 6, Watt publishing company, 14t. Marris, 111.

Hara, M. (2005): Fertilizer pellets made from composted livestock manure. Mie prefectural science and technology promotion center, Kawasakita 530. Uresinochou, Itisigun 515-2316 Japan.

Hasting W. H. (2003): Feed milling process. Mt. Vernon, Washington D. Higgs Environment Canada, Van cover, Britich Columbia.

Jennifer, M. (2004): Physical characteristics of pellets from poultry litter. ASAE/ CSAE annual international meeting sponsored by ASAE/ CSAE. Fairmont. Chateau laurier. The Westin, Government center. Ottawa, Ontario, Canada 1-4 August 2004.

Kaddour, U.A; T. A. Ewies and M. K. Afify (2006): Influence of Geometrical dimension of extrusion die holes on machine efficiency and pellets quality. 4th annual conference of J. Agric. Sci. Mansoura Univ., 2006, 31 (7): 337-358.

Nour, A. M. (1988): By-product utilization in Egypt. A proposed strategy for the development of animal feed resource ARNAP workshop, 14-18 October 1985 Alex. Egypt, 131-150.

Shehab, S; S. Mani, X. Bi, P. Zaini and L. Tabil (2005): Binder less pelletization of Biomass Sponsored by ASAE. Tampa convention center. Tampa, Florida, 17-20 July 2005.