Abstract
The aim of this investigation is to assess the possibility of utilizing eighteen locally available lesser used/unused medium density (specific gravity range 0.445-0.624) hardwood species for making chemical pulp. Eleven species, viz., barta (Artocarpus lakoocha), dakroom (Mitragyna rotundiflia), dharmara (Sterospermum personatum), gab (Diospyros peregrina), kamdev (Calophyllum polyanthum), kao (Garcinia cowa), kasturi (Cinnamomum cecidodaphne), moos (Pterospermum acerifolium), narikeli (Pterygota alata), pairag (Canarium resiniferum) and tali (Palaquium polyanthum), yielded good quality pulp. Chalta (Dillenia indica), hansak (Xanthophyllum flavescens), hargaza (Dillenia pentagyna), jhumka bhadi (Engelhardtia spicata), karung (Pongamia pinnata), rata (Aphanamixis polystachya) and uriam (Mangifera sylvatica) did not appear promising as pulping raw materials.
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