Comparative Study of Rice Straw Recycling Systems

Document Type : Original research paper

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Agricultural Engineering Department

Abstract

This research aims to study the different systems of rice straw recycling to optimal stand on the most efficient of these systems which reduce costs and in turn raise the quality of the recycling process. There are three systems for recycling rice straw: firstly, collecting by hand, cutting and then pressing into straw bales, secondly collecting by machine and pressing the straw stalks without cutting into rectangular and circular bales, thirdly collecting by a modified machine, cutting and pressing the bales. The aim of current study was achieved by identifying some performance indicators which were: time and energy require-ments, number of machines required to deliver. the product on final form, the economic operation cost. The results indicated that the energy, time, labor, costs and number of machines required were 29.7 kW.h/Mg, 27.32 h/Mg, 31 Labor. h/Mg, 910 L.E/Mg and 6 machines required for the first system re-spectively. Meanwhile for the second system were 28.83 kW.h/Mg, 5.25 h/Mg, 10 laborer. h/Mg,631.8L.E/Mg and 8 machines required for small rectangular bales respectively while for large round bales the results were 35.76 kW.h/Mg, 2.39 h/Mg, 7 laborer. h/Mg, 601.4 L E/Mg and 12 machines required respectively and for third system were 27.02 kW.h/Mg, 1.54 h/Mg, 3 laborer. h/Mg, 517.25 L.E/Mg and 6 machines required respectively.

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