THE BIOREFINING OF SAUDI ARABIAN WASTE DATE: AN ENVIRONMENTAL PROMISING ALTERNATIVE TO PETROCHEMISTRY.

  • Department of Biology, Faculty of Science and Arts at Buraidah, Qassim University, Saudi Arabia.
  • Laboratory of Biomass Valorisation and Protein Production in Eukaryotes, Centre of Biotechnology of Sfax, University of Sfax, P.O. Box 1177, 3038, Sfax, Tunisia.
  • Departement of mathematic, Faculty of Science at Buraidah, Qassim University, Saudi Arabia. \\
  • Department of Biochemistry, Science College, King Saud University, P.O. Box 22452, Riyadh 11495, Saudi Arabi
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Saudi Arabia area is one of the world?s major producers of dates and thus date flesh, pit, and skin are commonly available agricultural waste to be used as lignocellulosic substrate. Present study focuses on exploitation of date waste as a source for bioethanol production from the fermentable sugars released due to different chemical and biological pretreatments. Two fungal strains Aspergillus awamori and Aspergillus niger reported to be producing cellulolytic enzymes were used under co-culture fermentation on waste date to degrade pectin-rich wastes fruit and facilitate maximum release of reducing sugars. The hydrolysate obtained after alkali and microbial treatments was then fermented by Saccharomyces cerevisiae KD2 to produce bioethanol. Fermentation of cellulosic hydrolysate (15%) gave maximum ethanol yield around 95% after 72 h at 35?C and pH5. It was observed that pretreated waste date can be economically utilized as a cheaper substrate for bioethanol production considered as a viable alternative fuel to solve both energy and environmental crises.

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[Imen Ben Abdelmalek, Abdulhameed Alzaiydi and Abir Ben Bacha. (2017); THE BIOREFINING OF SAUDI ARABIAN WASTE DATE: AN ENVIRONMENTAL PROMISING ALTERNATIVE TO PETROCHEMISTRY. Int. J. of Adv. Res. 5 (Apr). 1250-1261] (ISSN 2320-5407). www.journalijar.com

Dr. Imen Ben Abdelmalek
Department of Biology, Faculty of Science and Arts at Buraidah, Qassim University, Saudi Arabia

DOI:

Article DOI: 10.21474/IJAR01/3942      
DOI URL: https://dx.doi.org/10.21474/IJAR01/3942

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