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    Isolation and purification of cellulase from alkaline-tolerant Bacillus subtilis 

    Passanee Thongthawee; Malinee Sriariyanun; Kraipat Cheenkachorn; Jirapa Phetsom; Patchanee Yasurin (Universitas Katolik Soegijapranata, 2014-09)

    Lignocellulosic biomass is one of the most abundant renewable resource in the world. It has high potential to be used as material for biorefinery process because it yields fermentable sugar that can be converted to various bioproducts via microorganism functions. To make the biorefinery process success, the efficient hydrolysis process is needed to be improved to release the maximum amounts of sugars from lignocellulosic biomass. Natural environment is an important source to find an efficient cellulase producing bacteria. Previously, an ...
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    A study of feasibility of pretreatment process to utilize lignocellulosic biomass as materials for biodiesel production 

    Malinee Sriariyanun; Patchanee Yasurin; Jirapa Phetsom (The International Academic Forum, 2013)

    Biomass is the most abundant renewable resource in the world and has potential to use as alternative materials to fossil resources for production of chemicals and fuels. For the effective conversion from biomass to biofuels or other chemicals, it requires high efficient hydrolysis of cellulose to glucose or fermentable sugars. In this study, lignocellulosic biomass, rice straw, rice husk, and water hyacinth were pretreated with different chemicals, or pretreated with microwave heating, or with combination of chemicals and microwave ...