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Sago Hampas as Substrate for Bioethanol and Biobutanol

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Sago Hampas as Substrate for Bioethanol and Biobutanol
National Taiwan Ocean University Department of Food Science
Production of Fermentables Sugars and Biofuel from Sago Pith Residue (Sago Hampas)

Professors:

Student: Student ID:

Guo-Jane, Tsai Yeuk-Chuen, Liu Norhayati Othman 10132067

May 22, 2013
1

Outline
1. Introduction 2. Glucose Recovery from Sago Hampas by Three Cycles Hydrolysis for Bioethanol Production. of

3. Conversion of Sago Hampas into Fermentable Sugars Performed Using Cellulolytic Enzymes. 4. Conversion of Fermentable Sugars from Sago Hampas Using UPM2 to Acetone- Butanol- Ethanol (ABE) by Clostridium acetobutylicum ATCC 824. 5. Conclusion

2

Introduction
• Sago pith residues - one of the abundant lignocellulosic residues available in the state of Sarawak, Malaysia
(Apun et al., 2000)



2,556 tons of sago pith residue are generated from sago mills annually. This waste is usually drained into nearby rivers together with sago effluent without proper treatment, leading to environmental problems
(Linggang et al., 2012)



Sago pith residues usage: animal feed, compost for mushroom culture, for hydrolysis to confectioners’ syrup, particle-board manufacture, and as substrate for local microbes to produce reducing sugars and enzyme.
(Apun et al, 2000; Phang et al., 2000; Rifat et al., 2003)

3



Sago palm- are those species of the genus Metroxylon belonging to the Palmae family.
(Singhal et al., 2008)



Extremely hardy plant, thriving in swampy, acidic peat soils, submerged and saline soils where few other crops survive, growing more slowly in peat soil than in mineral soil.
(Flach and Schuilling, 1989; Hisajima, 1994)

Figure 1.

Sago palms (Metroxylan sagu) in Sarawak, Malaysia (Singhal et al., 2008) 4




Sago solid residue; bark and ‘hampas’ are largely composed of celluloses and lignin, therefore, both a waste and a pollutant .
(Vikineswary et al., 1994)

Sago hampas - starchy lignocellulosic by-product generated from pith of

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