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Mantri V.A.,Marine Algal Research Station | Parmar D.R.,Marine Algal Research Station | Rao P.N.,Marine Algal Research Station | Ghosh A.,Indian Central Salt and Marine Chemicals Research Institute
International Journal of Environmental Studies | Year: 2014

Jatropha is a potential biofuel crop suitable for growth on degraded lands. There is no conflict between food and fuel with the use of this plant. Against this backdrop, the research of our institute has been focused on cultivation on wastelands, where conventional crops cannot thrive. If merely neglected, wastelands are further degraded and eventually become deserts. These barren lands naturally sustain low diversity of flora and fauna and can support only abysmal ecosystem services. Jatropha cultivation has been shown to improve the soil properties of such lands. This article documents different flora and fauna frequently observed in the transformed ecosystem brought about by the resultant land use change. The article also discusses the ecosystem services gained in the process. Thus, economic and climate change benefits result from Jatropha cultivation in wastelands. © 2014 © 2014 Taylor & Francis.

Khambhaty Y.,Indian Central Salt and Marine Chemicals Research Institute | Mody K.,Indian Central Salt and Marine Chemicals Research Institute | Gandhi M.R.,Indian Central Salt and Marine Chemicals Research Institute | Thampy S.,Indian Central Salt and Marine Chemicals Research Institute | And 4 more authors.
Bioresource Technology | Year: 2012

The present study describes production of bio-ethanol from fresh red alga, Kappaphycus alvarezii. It was crushed to expel sap - a biofertilizer - while residual biomass was saccharified at 100°C in 0.9N H 2SO 4. The hydrolysate was repeatedly treated with additional granules to achieve desired reducing sugar concentration. The best yields for saccharification, inclusive of sugar loss in residue, were 26.2% and 30.6% (w/w) at laboratory (250g) and bench (16kg) scales, respectively. The hydrolysate was neutralized with lime and the filtrate was desalted by electrodialysis. Saccharomyces cerevisiae (NCIM 3523) was used for ethanol production from this non-traditional bio-resource. Fermentation at laboratory and bench scales converted ca. 80% of reducing sugar into ethanol in near quantitative selectivity. A petrol vehicle was successfully run with E10 gasoline made from the seaweed-based ethanol. Co-production of ethanol and bio-fertilizer from this seaweed may emerge as a promising alternative to land-based bio-ethanol. © 2011 Elsevier Ltd.

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