Chemical transformation of chromed leather wastes into environmentally harmless fibrous biomass

• Autorzy: Malek A. , Benotmane B. , Aribi C. , Hachemi M.

Identyfikatory

DOI

10.5277/epe160314

• Języki publikacji: EN

Abstrakty

EN

Chemical transformation of leather waste into chromium free biomass has been investigated. The conversion was performed by extracting the toxic metal. The effects of several influential factors on the process have been studied using design of experiments. Optimal conditions of chromium extraction have been determined. The collagen fiber of the biomass obtained has been analyzed by the Fourier transform infrared spectroscopy (FTIR). The chemical mechanism allowing this transformation has been suggested. The infrared analysis showed that the collagen fiber of the obtained biomass presents chemical composition similar to that of native collagen fiber of non-chromed leather. These results demonstrated the almost complete extraction of chromium from leather waste and the conversion of these latter into an environmentally harmless biomass.

Słowa kluczowe

EN

biomass fiber; chemical transformations; leather; FTIR; Faurier Transform Infrared

PL

odpady skórzane; biomasa włóknista; przemiana chemiczna; spektroskopia w podczerwieni z transformatą Fouriera

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Environment Protection Engineering
• Rocznik: 2016
• Tom: Vol. 42, nr 3
• Strony: 179--192
• Opis fizyczny: Bibliogr. 23 poz., tab., rys.

Twórcy

autor

Malek A.

• Research Unit of Materials – Processes and Environment (UR-MPE), Laboratory of Matter Chemistry and Environment, Faculty of Engineer Sciences, M’hamed Bougara University, Avenue of Independence, 35000 Boumerdes, Algeria.

autor

Benotmane B.

• Research Unit of Materials – Processes and Environment (UR-MPE), Laboratory of Matter Chemistry and Environment, Faculty of Engineer Sciences, M’hamed Bougara University, Avenue of Independence, 35000 Boumerdes, Algeria.

autor

Aribi C.

• Research Unit of Materials – Processes and Environment (UR-MPE), Laboratory of Matter Chemistry and Environment, Faculty of Engineer Sciences, M’hamed Bougara University, Avenue of Independence, 35000 Boumerdes, Algeria.

autor

Hachemi M.

• Research Unit of Materials – Processes and Environment (UR-MPE), Laboratory of Matter Chemistry and Environment, Faculty of Engineer Sciences, M’hamed Bougara University, Avenue of Independence, 35000 Boumerdes, Algeria.

Bibliografia

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