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98267

DRYING BEHAVIOR OF PEANUTS USING A ROTARY DRYER

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Last updated: 04 Jan 2025

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Abstract

A study was carried out to test and evaluatehigh-temperature short-time drying behavior of peanuts pods using a laboratory scale rotary dryer. The experimental work was conducted at six different levels of cylinder surface temperature 55, 65, 75, 85, 95 and 105 oC, three levels of cylinder rotational speed 3, 6 and 9 (r.p.m) and three peanut batch masses 1, 1.5 and 2 (kg/batch). The high temperature rotary drier was evaluated in terms of operating factors likewise moisture regiem, drying temperature, pods and kernels temperatures, batch mass feed, cylinder rotational speed and compatibility of experimental data to Lewis models. The optimal treatment of the high temperatur dried pods of peanuts was slected in terms of physical characteristics of microbiological quality parameters, percentages of broken, splitted, shriveled kernels, oil content of peanuts, free fatty acids and peroxide value of peanuts oil. The results show that, heating surface temperature of 65 oC, cylinder rotational speed of 6 r.p.m and pods batch mass of 1.5 kg recorded the lowest values of kernels splitting, broken and shriveling percentages. The mathematical analysis showed that, Lewis model could satisfactorily describe the drying behavior of high moisture peanuts pods.

DOI

10.21608/mjae.2015.98267

Authors

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S.

Last Name

Tayel

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Affiliation

Prof. of Ag. Eng., Fac. of Ag. Eng., Al-Azhar Univ., Cairo. Egypt.

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First Name

T.

Last Name

Ghanem

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Prof. of Ag. Eng., Fac. of Ag. Eng., Al-Azhar Univ., Cairo. Egypt.

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First Name

M. M.

Last Name

El-Kholy

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Deputy Director, Ag. Eng. Res. Inst., Ag. Res. Center, Dokki, Giza, Egypt.

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First Name

T. O.

Last Name

Hamad

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Affiliation

PhD Student, Fac. of Ag. Eng., Al-Azhar Univ., Cairo. Egypt.

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Volume

32

Article Issue

3

Related Issue

14844

Issue Date

2015-07-01

Receive Date

2020-06-26

Publish Date

2015-07-01

Page Start

1,143

Page End

1,160

Print ISSN

1687-384X

Online ISSN

2636-3062

Article File

MJAE_Volume 32_Issue 3_Pages 1143-1160.pdf

PDF . 921.0kB

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https://mjae.journals.ekb.eg/article_98267.html

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https://mjae.journals.ekb.eg/service?article_code=98267

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Original Article

Type Code

1,326

Publication Type

Journal

Publication Title

Misr Journal of Agricultural Engineering

Publication Link

https://mjae.journals.ekb.eg/

MainTitle

DRYING BEHAVIOR OF PEANUTS USING A ROTARY DRYER

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Article

Created At

23 Jan 2023