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174852

BIOTECHNOLOGICAL STUDIES ON BIOFUEL PRODUCTION FROM AGRICULTURAL WASTES

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Last updated: 26 Dec 2024

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Abstract

Fruits peels, an agricultural waste discarded in huge amounts, were effectively fractionated into its oligosaccharides composition to dedicate their added values utilization. Four fruits peels (Banana, Watermelon, Orange and Mango) were studied. The starch, pectin, hemicellulose, celluloses, lignin and proteins fractions were determined in terms of dry weights percentages for these peels. Mango peels showed the highest oligosaccharides levels, even lignin content was highest by 17.25%. Also, banana peels showed high oligosaccharides levels with the lowest level of lignin by 4.82%. Lab-scale bioreactor was carried out for enzymes production and saccharifaction, the banana and mango peels were released the greatest saccharified pentose and hexose sugars, the total fermentable sugars were 27.77 and 21.13 g.l-1, respectively. Co-fermentation were conducted by selected yeast strain belong to Kluyveromyces marxianus to contribute previouslysexual regenerative Saccharomyces cerevisiae for bioethanol co-production. As expected, co-fermentation increased the productivity by more than 18%, the substantial bioethanol yield were observed by saccharifed banana peels with 10.74 g.l-1, the adding of CaO lead finally to 97.5 wt % of pure bioethanol by duplicate the distillation process.The reaction molar ratio of cocked oil to ethyl acetate were established by 0.1, 0.125, 0.2, 0.25, 0.5 and 1.0 mol.mol-1 respectively. The highest reaction conversion was attained at temperature reaction of 60 °C, molar ratio of oil to ethyl acetate at 1 : 6 ratio (0.17 mol.mol-1) within 6 hours of reaction time, and catalyst concentration of 0.5 wt %.

DOI

10.21608/mjab.2019.174852

Keywords

biofuel, Biodiesel, Agro-peels, fungi co-cultivation, yeast co-fermentation

Authors

First Name

A.

Last Name

Elbeltagy

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Affiliation

Agricultural Microbiology and Biotechnology, Botany Department, Faculty of Agriculture, Menoufia University, Egypt.

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First Name

Mennah T- Allah

Last Name

Wagih

MiddleName

-

Affiliation

Agricultural Microbiology and Biotechnology, Botany Department, Faculty of Agriculture, Menoufia University, Egypt.

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Orcid

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First Name

Wafaa

Last Name

Hanafy

MiddleName

-

Affiliation

Agricultural Microbiology and Biotechnology, Botany Department, Faculty of Agriculture, Menoufia University, Egypt.

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Orcid

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First Name

Hanaa

Last Name

Abo-kora

MiddleName

-

Affiliation

Agric. Microbiol. Res. Dep. Soil, Water and Environment Research Institute, Agricultural Research Center, Egypt.

Email

-

City

-

Orcid

-

First Name

S.

Last Name

Fahim

MiddleName

-

Affiliation

Agricultural Microbiology and Biotechnology, Botany Department, Faculty of Agriculture, Menoufia University, Egypt.

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Volume

4

Article Issue

3

Related Issue

25372

Issue Date

2019-06-01

Receive Date

2021-06-03

Publish Date

2019-06-01

Page Start

25

Page End

35

Print ISSN

2357-0768

Online ISSN

2735-3532

Article File

MJAB_Volume 4_Issue 3_Pages 25-35.pdf

PDF . 222.2kB

Link

https://mjab.journals.ekb.eg/article_174852.html

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https://mjab.journals.ekb.eg/service?article_code=174852

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2

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original papers

Type Code

1,460

Publication Type

Journal

Publication Title

Menoufia Journal of Agricultural Biotechnology

Publication Link

https://mjab.journals.ekb.eg/

MainTitle

BIOTECHNOLOGICAL STUDIES ON BIOFUEL PRODUCTION FROM AGRICULTURAL WASTES

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Type

Article

Created At

23 Jan 2023