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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 620Bamboo Sawdust as a Reduction Agent in Leaching...

Bamboo Sawdust as a Reduction Agent in Leaching Applications: Characterization Studies

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Abstract:

One of the promising and environmentally friendly hydrometallurgical processes for the recovery of manganese is acid leaching in the presence of carbohydrate as a reducing agent. The aim of this study is to characterize bamboo sawdust (BSD), in particular, the carbohydrate within, for possible usage as a reduction agent in acid leaching applications. Characterization were done using Malvern analyzer (particle size distribution), SEM (morphology), XRD (crystalline index) and FTIR (molecular framework). Detailed BSD constituents were also analyzed, to determine the cellulose, hemicellulose and lignin content. Results exhibited a wide size range distribution with a span value of 1.86, and geometric mean diameter of ~100 µm. The dominant composition, meanwhile, were cellulose (38.96%) hemicellulose (26.95%) and lignin (25.86%). The morphology characteristic by SEM revealed a smooth fibrous surface with multiple aligned bundles. The assessable crystalline index of cellulose was 56.12%. The molecular framework of cellulose, hemicellulose and lignin were clearly illustrated in BSD. The obtained characteristics are valuable information in utilizing BSD as a source of carbohydrate for leaching application.

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Periodical:

Advanced Materials Research (Volume 620)

Pages:

405-411

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.620.405

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Online since:

December 2012

Authors:

S. Ismail, Norazharuddin Shah Abdullah, H. Hussin, S.F. Saiyid Hashim

Keywords:

Bamboo Sawdust (BSD), Carbohydrate, Cellulose, Crystalline Index

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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