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39093

TREATING LEATHER SHAVING WASTE TO DECREASE ITS ENVIRONMENTAL IMPACT

Article

Last updated: 01 Jan 2025

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Tags

Animals

Abstract

Chrome shaving waste (CSW) is one of the largest leather tanning wastes, caused an economical and environmental loss if it did not utilize properly. This study aims to extract chromium from chrome shaving waste, by alkaline hydrolysis or incineration in order to reuse it in leather tanning. Sodium hydroxide and carbonate were used in chemical hydrolysis and compared with incineration method in chrome yielding. Twenty five sheep pelts were tanned with recovered and commercial chromium 33% basicity to compare their effects in tanning. The results showed that among alkaline treatments, caustic soda was more effective than sodium carbonate in extraction, but incineration method was the best extraction method because of its high extraction yield (99.37%). Using sugar as a reducing agent was better than sodium sulphite to prepare tanning liquor. It increased chrome yield and produced chromium sulphate 33% basicity, which are more suitable for leather tanning. Most physical and chemical properties, except fat and ash contents, were similar in leathers tanned with recovered chrome and those tanned with commercial chrome. Thus, all studied tanned leathers were suitable for using in leather manufacturing.

DOI

10.21608/ejdr.2018.4748.1007

Keywords

chrome, Physical properties, recovery, tanning

Authors

First Name

Ahmed

Last Name

Nasr

MiddleName

-

Affiliation

Department of Wool Production and Technology, Desert Research Center, Cairo, Egypt

Email

ainasr@yahoo.com

City

-

Orcid

0000-0001-8422-8667

First Name

Mohamed

Last Name

Gaber

MiddleName

-

Affiliation

Department of Biochemistry, Faculty of Agriculture, Al-Azhar University, Cairo, Egypt

Email

profgaberazhar@yahoo.com

City

-

Orcid

-

First Name

Hamdy

Last Name

Ali

MiddleName

-

Affiliation

Department of Biochemistry, Faculty of Agriculture, Al-Azhar University, Cairo, Egypt

Email

dryosefazhar@yahoo.com

City

-

Orcid

-

First Name

Mahmoud

Last Name

Eissa

MiddleName

-

Affiliation

Department of Wool Production and Technology, Desert Research Center, El Matareya, Cairo, Egypt

Email

mg.essa@yahoo.com

City

-

Orcid

-

Volume

68

Article Issue

1

Related Issue

1359

Issue Date

2018-06-01

Receive Date

2018-08-07

Publish Date

2018-06-01

Page Start

75

Page End

88

Print ISSN

1687-8043

Online ISSN

2356-9875

Article File

EJDR_Volume 68_Issue 1_Pages 75-88.pdf

PDF . 1.5MB

Link

https://ejdr.journals.ekb.eg/article_39093.html

Detail API

https://ejdr.journals.ekb.eg/service?article_code=39093

Order

3

Type

Original Article

Type Code

117

Publication Type

Journal

Publication Title

Egyptian Journal of Desert Research

Publication Link

https://ejdr.journals.ekb.eg/

MainTitle

TREATING LEATHER SHAVING WASTE TO DECREASE ITS ENVIRONMENTAL IMPACT

Details

Type

Article

Created At

22 Jan 2023