n-Butanol derived from biochemical and chemical routes: A review

Ndaba, Busiswa; Chiyanzu, Idan; Marx, Sanette

doi:10.1016/j.btre.2015.08.001

Cited by 221 publications

(126 citation statements)

References 73 publications

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“…process), it is considered a biofuel and called biobutanol. The properties of biobutanol are quite similar to those of petro-butanol 8 .…”

Section: Butanolsupporting

confidence: 59%

Biofuels and Their Production Through Different Catalytic Routes

Biswas¹

2017

Chem.Biochem.Eng.Q.

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This paper presents a review of the literature available on biofuels production through different chemical catalytic routes. Biofuels are promising alternative to the fast-depleting fossil fuel and oil reserves. In consideration of the existing environmental issues, such as greenhouse effect and global warming, researchers are now interested in biofuels production from biomass. Biofuels are produced from renewable and sustainable bioresources, which are available globally in the form of residual agricultural biomass and wastes. However, the biofuels production process through chemical transformation could be very expensive and uneconomical for large-scale commercial supply. Hence, there is a continuous need for improvisation on the research on this topic. This review broadly describes the different types of biofuels and the processes for their production through catalytic routes.

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“…process), it is considered a biofuel and called biobutanol. The properties of biobutanol are quite similar to those of petro-butanol 8 .…”

Section: Butanolsupporting

confidence: 59%

Biofuels and Their Production Through Different Catalytic Routes

Biswas¹

2017

Chem.Biochem.Eng.Q.

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“…Microbial production of butanol as a liquid transportation fuel has attracted interest because of its several added advantages over ethanol besides the fact that it can also be used in an internal combustion engine without any engine modifications . There have been some issues regarding its concentration during fermentation which have been resolved by using new technologies and biotechnological applications resulting in higher yields and less byproducts …”

Section: Introductionmentioning

confidence: 99%

Biobutanol: New era of biofuels

et al. 2018

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Summary Global energy demands are primarily met through non‐renewable sources such as coal, natural gas, and oil. However, the scarcity and rising prices of fossil fuels, coupled with the unprecedented environmental problems, lead the researchers to find out a microbial alternative to address these issues. Biofuel has emerged as an attractive solution which can be effectively used in the current scenario. Among the probable list of alternates, biobutanol is an important renewable source of biofuel which can be easily accommodated in existing fuels due to its better performance and other advantages over other biofuels. Bio‐butanol can be efficiently produced from industrial, agricultural, and domestic waste material through microbial fermentation. Industries produce a huge amount of waste, and if not managed properly, it can be a major cause of pollution related to soil, water, and air. Microorganisms such as Escherichia coli, Clostridium acetobutylicum, Bacillus subtilis, Clostridium beijerinkckii, Pseudomonas putida, and Saccharomyces cerevisiae, etc. can utilize carbohydrate rich waste material to produce bio‐butanol through aerobic and anaerobic fermentation. Production of biobutanol from industrial wastes not only provides an ideal, eco‐friendly clean/green energy source but also has potential to address the global issues of pollution, global warming, and greenhouse effect etc. to a greater extent. The issues such as global status of bio‐energy, source of butanol production, purification, extraction, and strategies to enhance biobutanol yield through biotechnological interventions have been discussed in the present paper.

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“…Biobutanol has been reported as a better liquid biofuel than bioethanol with promising potential to replace gasoline without modification on the current distribution and engine system . It has high hydrophobicity property which makes it safe and suitable to be applied directly or blended with gasoline as fuel . However, the major challenges in producing biobutanol from the renewable biomass are the cost of the fermentation substrate, multiple processing steps, strain capability, product inhibition, and multiple end products …”

Section: Introductionmentioning

confidence: 99%

Simultaneous saccharification and fermentation of sago hampas into biobutanol by Clostridium acetobutylicum ATCC 824

Husin

Ibrahim

Bahrin

et al. 2018

Energy Science & Engineering

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Simultaneous saccharification and fermentation (SSF) by Clostridium acetobutylicum ATCC 824 was conducted to produce biobutanol from sago hampas. Sago hampas is a waste generated from the processing of sago starch. This waste is composed of 54.6% starch and 31.7% of cellulose and hemicellulose, with only 3.3% of lignin. In order to fully utilize the starch and cellulosic materials, saccharification using a mixture of amylase (Dextrozyme) and cellulase (Acremonium cellulase) was conducted using 0.09 g/mL sago hampas, producing 67.0 g/L of fermentable sugar. The SSF and delayed SSF (DSSF) were conducted using 0.07 g/mL sago hampas with the optimized enzyme loading of Dextrozyme amylase (71.4 U/gsubstrate) and Acremonium cellulase (20 FPU/gsubstrate). The SSF of sago hampas generated 6.12 g/L of solvents with biobutanol concentration of 3.81 g/L and the yield of 0.11 g‐biobutanol/g‐sugar. In order to improve biobutanol concentration and productivity, DSSF was introduced. In DSSF, the inoculum was introduced into the system after 24 hour of fermentation to allow the optimal saccharification process for sugar production. This process generated 4.62 g/L of biobutanol which was 18% higher than normal SSF since the saccharification and fermentation were operated at their optimal condition.

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n-Butanol derived from biochemical and chemical routes: A review

Cited by 221 publications

References 73 publications

Biofuels and Their Production Through Different Catalytic Routes

Biofuels and Their Production Through Different Catalytic Routes

Biobutanol: New era of biofuels

Simultaneous saccharification and fermentation of sago hampas into biobutanol by Clostridium acetobutylicum ATCC 824

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