Design and Analysis of a Centrifugal Separator for the Separation of Pith from Bagasse

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International Journal of Research and Scientific Innovation (IJRSI) | Volume V, Issue III, March 2018 | ISSN 2321–2705

Design and Analysis of a Centrifugal Separator for the Separation of Pith from Bagasse

Prachi Sawant1, Sayali Thombare2, Priyanka Shingate3, Siddhi Shirode4, Prof A.K. Pathak5

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  1,2,3,4,5 Department of Mechanical, D.Y. Patil College of Engineering, Akurdi, Pune-44, Maharashtra, India

Abstract-Among the by-products that we get from sugarcane, bagasse is the most relevant and important. As the natural resources are being depleted, use of bagasse as an alternative resource is being encouraged. The pith from the useful fibrous material of sugarcane is separated by various means viz. dry depithing, wet depithing and chemical depithing. The use of chemicals for pith separation is expensive so mechanical ways are used for pith separation. The purpose of the project is to reduce the pith content and separate it from the useful fibre at a faster rate. The design and calculations of the centrifugal separator for pith separation are explained in the paper.

I. INTRODUCTION

Small scale industries create an innovative idea to accompany the agricultural growth. The intention of proposed work is to develop product that separates the non fibrous material i.e. pith from fibrous material i.e. fibre in the bagasse. Bagasse is produced after the crushing of sugarcane with extraction of juice. Bagasse consists of fibre, pith and sand particles. The worldwide pulp and paper industry is gradually realizing that there is shortage of the traditional raw material of cellulose fibre. Bagasse is a fibrous residue remaining after the extraction of sweet juice from sugarcane. Till recently the bagasse generated in the sugar mill was mainly utilized as fuel for generation of steam and power by sugarcane mill itself and only a small portion was available for other uses mainly paper making.

Bagasse is produced after the crushing of sugarcane with extraction of juice. This bagasse contains the fibres, pith and sand particles. Each tons of sugarcane delivered to processing mills yields 740 kg of juice and 260 kg of moist bagasse.