SEPARATING OF APRICOT PITS KERNEL USING PNEUMATIC SYSTEM

Document Type : Original Article

Authors

1 Prof. Emt. of Agric. Eng., Fac. of Agric. Eng., Al-Azhar Uni., Egypt.

2 Prof. and head of Agric. Mach. and power Eng. Dept., Fac. of Agric. Eng., Al-Azhar Uni., Egypt.

3 Assoc. prof. of Agric. Eng., Fac. of Agric. Eng., Al-Azhar Uni., Egypt.

4 ) Demonstrator, Fac. of Agric. Eng., Al-Azhar Uni., Egypt.

Abstract

Separation of apricot kernel from shells is important processes to use the kernel and shells. In this study, some physical properties were studied for apricot kernel and shells. pneumatic separator was used and separation module performance was investigated as a function of change in air stream velocity of 9, 10, 11and 12 m/s, feeding rate of 30, 60, 90 and 120 kg/h, mixture moisture contents of 5.76, 14.46 and 21.67% w. b. and screen slope of 25 and 35o. The results revealed that, optimum operations conditions were obtained at 11 m/s air velocity, feeding rate of 120 kg/h, mixture moisture content of 14.46 % and screen slope of 25o, the separation effectiveness of 96.18 %, kernel cleanliness of 93.83 %, kernel losses of 0.69 %, kernel productivity of 40 kg/h, specific energy of 4.22 kW.h / Mg and cost of 96 L.E./Mg.

Agric. Statistics Economic Affairs Sector, (2011). Annual production handbook: 311-312.
Aksogan, S.; A. Basturk.; E. Yuksel and O. Akgiray, (2003). On the use of crushed shells of apricot as the upper layer in dual media filters. Water Science and Technology 48: 497–503.
ASAE, (1994). Standard Engineering practices data ISBN – 92935550. 4Lib. of Cong. By the ASAE: 529-532.
Awady, M. N. and A. S. El-sayed, (1994). Separation of peanuts seeds by air stream. Misr. J. Ag. Eng., 11(1):137-147. 
Dorbrowksi, (2001). Adv. Colloid Interface Sci. 93-135.
Dosoky, S. H., (2011). Physical, mechanical and aerodynamic properties of soybeans for separation and grading machines. The 18th Annual Conference of the Misr Soc. of Agric. Eng., 26-27 October.
Eissa, A. H. A., (2009). Aerodynamic and solid flow properties for flaxseeds for pneumatic separation by using air stream. Int. jour. Agric. & Boil. Eng. 2(4): 31-45.
Faronof, B. G and Baflofacke, (1959). Cleaning and storage seeds. National publication of Ag. Literature, Moscow.
Food and Agriculture Organization (FAO 2011). Statistics, FAO stat.
Gezer, I.; H. Haciseferogullari and F. Demir, (2002). Some physical properties of Hacıhaliloğlu apricot pit and its kernel. Journal of Food Engineering, 56: 49-57.
Hunt, D., (1983). Farm power and machinery management. 8th Ed., low state Univ., Ames, USA.
Inan. A., (2001). On the feasibility of a novel apricot stone cracking machine, F.U. Fen ve Muh. Bilimleri Dergisi, 13, (2): 211-223. 
Ismail, Z. E.; K. F. Hana and M. M. Kassem, (1994). Factors affecting grain cleaning efficiency, part 2: separating via vertical air streams. Msir J. Ag. Eng., 11(1): 227-238.
Kashayap, M. M. and A. C. Pandya, (1965). A study of winnowing indices. J. Agric. Eng. Res., 10(3): 255 – 258.
Lock Wood, F. B. and R. Dunstan, (1971). Electrical engineering principles. Heinemann education books. Ltd. London.
Mohsenin, N.N., (1970). Physical properties of plant and animal materials. Gordon Breach Science Publishers, New York.
Ozcan, M., (2000). Composition of some apricot (Prunus armeniaca L.) kernels grown in Turkey. Acta Alimentaria, 29(3): 289-293.
Shah, G. H., (1985). Effect of processing factors on the quality of peach and apricot pulps and Physico-chemical changes during storage. PhD Thesis, Punjab Agriculture University, Ludhiana, India.
Tayel, S. A.; A. A. El-Nakib and A. K. Zaalouk, (2011). Some physical properties of Apricot pits. The 18th. Annual conference of the Misr Soc. of Ag. Eng., 26-27 October.
Vursavus, k. and Faruk, (2004). Mechanical behavior of apricot pit under compression loading. Journal of Food Engineering, 65: 255-261.