National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Sisal is one of the natural fibre crops grown in poor and marginal soil. Fibre products obtained from sisal has huge potential to replace plastics. But extraction of fibre from sisal leaves is the most critical operation. For small-scale sisal fibre extraction, a portable fibre extractor was designed, developed and its performance was evaluated. The fibre extractor provides improved sisal leaf processing with less energy input and reduced cost. It was observed that the throughput capacity and material capacity of the fibre extractor was found to be 330-380 kg leaves/hour and 12-14 kg dry fibre /hour, respectively with a design efficiency of 50 per cent and average fibre yield of 4 percent per leaf. It was also found that maximum fibre extraction efficiency of 96.66 % can be achieved by processing the freshly harvested sisal leaves (80-85 % moisture content) at a beater cylinder peripheral speed of 10.69 m/s (510.6 rpm) and beater blade clearance of 0.80 mm with fixed knife unit. It was calculated that unit fibre extraction cost per quintal of dry sisal fibre by using developed sisal fibre extractor is Rs. 445/-.
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