Bioconversion of Cotton Gin Waste to Bioethanol

Sahu, Sushanta Kumar; Pramanik, Krishna

doi:10.1007/978-3-319-19018-1_14

Cited by 8 publications

(8 citation statements)

References 106 publications

(102 reference statements)

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“…Biological pretreatment or so called delignification involves fungi such as white, brown and soft-rot fungi that are used to degrade or decompose complex lignin and solubilize hemicellulose without losing structural sugars [7]. White rot fungi are the most potential strains for the degradation of complex lignin polymer [8].…”

Section: Microbial Delignificationmentioning

confidence: 99%

“…A number of genetically engineered yeast and bacterial strains were reported for the production of bioethanol from different sugars using potential Saccharomyces, Pichia stipitis, Candida shehatae, Klebsiella oxytoca and Zymomonas mobilis strains [2,24,29]. Recently co-culturing and sequential use of yeast strains have been explored as promisingly, for the high-level bioethanol production [7,30,31]. Ethanologenic E. coli enhanced the yield of ethanol production using micro aeration process [7].…”

Section: Microbial Fermentationmentioning

confidence: 99%

“…Recently co-culturing and sequential use of yeast strains have been explored as promisingly, for the high-level bioethanol production [7,30,31]. Ethanologenic E. coli enhanced the yield of ethanol production using micro aeration process [7]. Genetically engineered Escherichia coli KO11 was reported as to produce efficient ethanol from both pentose and hexose sugars [32].…”

Section: Microbial Fermentationmentioning

confidence: 99%

“…Genetically engineered Escherichia coli KO11 was reported as to produce efficient ethanol from both pentose and hexose sugars [32]. Protoplasts fusant strains were also reported as glucose and xylose-fermenting yeast [7,33].…”

Section: Microbial Fermentationmentioning

confidence: 99%

“…The complex polymer of ligocellulosic biomass can be degrading by different microorganisms due to their potential synergic action of enzymes [5]. It is evident from the literature that biological pretreatment is advantageous over chemical, physicochemical, ammonia and steam explosion pretreatment methods because of the requirement of mild reaction conditions, low energy and formation of minimal toxic by-product [6,7]. The conversion of lignonocellulosic biomass to bioethanol is mainly divided into three major steps such as: pretreatment, hydrolysis and fermentation.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Biological Treatment of Lignocellulosic Biomass to Bioethanol

Pramanik¹

2017

AIBM

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This study highlights the biological treatment of lignocellulosic biomass to bioethanol using three major conversion techniques such as pretreatment, hydrolysis and fermentation. Energy from lignocellulosic biomass, especially bioethanol may contribute to a healthy atmosphere and economic development. Bioconversion of sustainable feedstock to bioethanol can enhance the energy dependence of our future generation. Different microbial treatments are summarised here with the recent trend and future aspect. This review article may pave to resolve the challenges on biological processing a reality for the large scale bioethanol production.

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Section: Microbial Delignificationmentioning

confidence: 99%

Section: Microbial Fermentationmentioning

confidence: 99%

Section: Microbial Fermentationmentioning

confidence: 99%

Section: Microbial Fermentationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Biological Treatment of Lignocellulosic Biomass to Bioethanol

Pramanik¹

2017

AIBM

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Co-composting of cotton residues with olive mill wastewater: process monitoring and evaluation of the diversity of culturable microbial populations

Kefalogianni

Skiada

Tsagou

et al. 2021

Environ Monit Assess

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Evaluation and Optimization of Organic Acid Pretreatment of Cotton Gin Waste for Enzymatic Hydrolysis and Bioethanol Production

Sahu

Pramanik

2018

Appl Biochem Biotechnol

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This paper investigates the efficiency of the organic acids on the pretreatment of an industrially generated cotton gin waste for the removal of lignin, thereby releasing cellulose and hemicellulose as fermentable sugar components. Cotton gin waste was pretreated with various organic acids namely lactic acid, oxalic acid, citric acid, and maleic acid. Among these, maleic acid was found to be the most efficient producing maximum xylose sugar (126.05 ± 0.74 g/g) at the optimum pretreatment condition of 150 °C, 500 mM, and 45 min. The pretreatment efficiency was comparable to the conventional dilute sulfuric acid pretreatment. A lignin removal of 88% was achieved by treating maleic acid pretreated biomass in a mixture of sodium sulfite and sodium chlorite. The pretreated biomass was further evaluated for the release of sugar by enzymatic hydrolysis and subsequently bioethanol production from hydrolysates. The maximum 686.13 g/g saccharification yield was achieved with maleic acid pretreated biomass which was slightly higher than the sulfuric acid (675.26 g/g) pretreated waste. The fermentation of mixed hydrolysates(41.75 g/l) produced 18.74 g/l bioethanol concentration with 2.25 g/l/h ethanol productivity and 0.48 g/g ethanol yield using sequential use of Saccharomyces cerevisiae and Pichia stipitis yeast strains. The production of bioethanol was higher than the ethanol produced using co-culture in comparison to sequential culture. Thus, it has been demonstrated that the maleic acid pretreatment and fermentation using sequential use of yeast strains are efficient for bioethanol production from cotton gin waste.

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Bioconversion of Cotton Gin Waste to Bioethanol

Cited by 8 publications

References 106 publications

Biological Treatment of Lignocellulosic Biomass to Bioethanol

Biological Treatment of Lignocellulosic Biomass to Bioethanol

Co-composting of cotton residues with olive mill wastewater: process monitoring and evaluation of the diversity of culturable microbial populations

Evaluation and Optimization of Organic Acid Pretreatment of Cotton Gin Waste for Enzymatic Hydrolysis and Bioethanol Production

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