scholarly journals BUFFER REPLACEMENT AND SIMULTANEOUS SACCHARIFICATION AND FERMENTATION ON BIOBUTANOL PRODUCTION?FROM LIGNOCELLULOSIC BIOMASS

2018 ◽  
Vol 39 (3) ◽  
Author(s):  
Devitra Saka Rani ◽  
Yanni Kussuryani
Keyword(s):  
Lignocellulosic Biomass ◽  
Rice Straw ◽  
Oil Palm ◽  
Simultaneous Saccharification And Fermentation ◽  
Production Costs ◽  
Distilled Water ◽  
Buffer Solution ◽  
Scale Optimization ◽  
Time And Energy ◽  
Simultaneous Saccharification

Lignocellulosic biomass is excellent feedstock for biofuel such as biobutanol. Bagasse, rice straw, and empty fruit bunch (EFB) oil palm are untapped potential for biobutanol production as gasoline blending/ substitution. However, biobutanol production by fermentation from lignocellulosic biomass is a process that consumes time and energy which leads to high production costs. This research is intended to optimize biobutanol production that reduces production costs, an important factor on an industrial scale. Optimization is conducted by replacing the buffer solution in enzymatic hydrolysis with distilled water and by using Simultaneous Saccharification and Fermentation (SSF). The results showed that the buffer replacement with distilled water can reduce cost by approximately 41,726 IDR/liter hydrolysate. Biobutanol contents from all biomass of bagasse, rice straw, and EFB oil palm are higher using SSF compared to Separate Hydrolysis and Fermentation (SHF). The SSF system can cut production time by 3 days and save electricity of 32.4 kWh.?

PRODUCTION OF BIOFUEL FROM WASTE LIGNOCELLULOSIC BIOMASS MATERIALS BASED ON ENERGY SAVING VIEWPOINT

2012 ◽  
Vol 06 ◽  
pp. 715-720
Author(s):  
Maki Takano ◽  
Kazuhiro Hoshino
Keyword(s):  
Lignocellulosic Biomass ◽  
Rice Straw ◽  
Steam Explosion ◽  
Simultaneous Saccharification And Fermentation ◽  
Biofuel Production ◽  
Fermentable Sugars ◽  
Renewable Material ◽  
Suitable Combination ◽  
Biomass Materials ◽  
Simultaneous Saccharification

To develop biofuel production from waste lignocellulosic biomass materials the rice straw was selected one of renewable material and the degradation condition about pretreatment and enzymatic hydrolysis to obtain effectively fermentable sugars was investigated. Rice straw was pretreated by five kinds of methods and then the components ratio of rice straw was examined. First, the steam explosion was selected based on the degradability and the requirement energy. In addition, the best suitable combination of two cellulases to effective and economical hydrolyze was determined from the degradability of these pretreated rice straws. In the simultaneous saccharification and fermentation of the steam explosion rice straw by combining cellulase cocktail and a novel fermenting fungus, 13.2 g/L ethanol was able to product for 96 h.

scholarly journals 2G Ethanol Production From Palm Lignocellulosic Biomass

2016 ◽  
Vol 6 (1) ◽  
pp. 773-779
Author(s):  
Leonard Guimarães Carvalho ◽  
Luiz Felipe A. Modesto ◽  
Donato A. Gomes Aranda ◽  
Nei Pereira Jr
Keyword(s):  
Ethanol Production ◽  
Lignocellulosic Biomass ◽  
Palm Oil ◽  
Oil Palm ◽  
Simultaneous Saccharification And Fermentation ◽  
Fermentable Sugars ◽  
Lignocellulosic Material ◽  
The World ◽  
Oil Residue ◽  
Simultaneous Saccharification

Brazil presents the world's largest potential for the production of palm oil due to nearly 75 million hectares of land suitable for palm culture and advantageous soil and climate. The biomass generated in the production of palm oil (palm pressed fiber, PPF) is mainly composed of lignocellulosic material that can be hydrolyzed into fermentable sugars for further conversion to ethanol. This work evaluated alkaline pretreatment of this palm oil residue and subsequent Simultaneous Saccharification and Fermentation (SSF), achieving a conversion of glucose to ethanol higher than 90% and a concentration equivalent to 22.40 g/L of the alcohol.  

Ethanol Production from Hydrothermal Pretreated Empty Fruit Bunches

2014 ◽  
Vol 917 ◽  
pp. 80-86
Author(s):  
Mohd Saman Siti Aisyah ◽  
Pacharakamol Petchpradab ◽  
Yoshimitsu Uemura ◽  
Suzana Yusup ◽  
Machi Kanna ◽  
...  
Keyword(s):  
Ethanol Production ◽  
Lignocellulosic Biomass ◽  
Simultaneous Saccharification And Fermentation ◽  
Process Time ◽  
Empty Fruit Bunches ◽  
Separate Hydrolysis And Fermentation ◽  
Common Process ◽  
The Common ◽  
Ssf Process ◽  
Simultaneous Saccharification

Separate hydrolysis and fermentation (SHF) is the common process in producing ethanol from lignocellulosic biomass. Nowadays, simultaneous saccharification and fermentation (SSF) process has been seen as potential process for producing ethanol with shortens process time with higher yield of ethanol. Hence, in the current work, the utilization of empty fruit bunches (EFB) in SSF process was studied. In order to improve saccharification reactivity of EFB, hydrothermal pretreatment at 180 and 220 °C was used to pretreat EFB. The findings showed that SSF has the potential in producing ethanol from EFB.

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