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Recycling of (Soaking, Deliming and Retannage) Solutions in Amatong Tannery in the Sudan

Author

Listed:
  • Rehab Ahmed Selman

    (Higher Council of Environment, Urban and Rural Promotion, Khartoum, Sudan)

  • Gurashi A. Gasmelseed

    (SSMO (Sudanese Standards and Metrology Organization) Industrial Chemical Committee, Sudan)

  • Rawia S. Hassan

    (Department of Chemical Engineering – Sudan University of Science and Technology, Sudan)

Abstract

Tanneries use much of chemicals such as sodium sulphide ,calcium hydroxide, ammonium sulphate, acids, basic chromium sulphate bactericide and fungicide. All these substances contribute to the environment pollution, although biological and chemical treatment methods are required, but still these methods are not effective enough to reduce pollution to the international standard level required. This pollution problem has to be solved completely via recycling through all wet processes from soaking to retannage.In this study the spent solutions were recycled for soaking, deliming and retannage processes many times with addition of makeup of chemicals and water ,that normally used , The produced crust quality was tested and the results were found to be satisfactory.

Suggested Citation

  • Rehab Ahmed Selman & Gurashi A. Gasmelseed & Rawia S. Hassan, 2019. "Recycling of (Soaking, Deliming and Retannage) Solutions in Amatong Tannery in the Sudan," European Journal of Engineering and Technology Research, European Open Science, vol. 4(1), pages 123-125, January.
    • Handle: RePEc:epw:ejeng0:v:4:y:2019:i:1:id:61081
    DOI: 10.24018/ejeng.2019.4.1.1081
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