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Unprecedented photocatalytic activity of carbonized leather skin residues containing chromium oxide phases

Paper ID Volume ID Publish Year Pages File Format Full-Text
45949 46427 2014 6 PDF Available
Title
Unprecedented photocatalytic activity of carbonized leather skin residues containing chromium oxide phases
Abstract

•Inexpensive waste and low temperature treatment for novel photocatalyst synthesis.•Cr2O3/C materials from leather skin waste with high potential as photocatalyst.•High Cr-based catalyst stability in aqueous phase phenol photomineralization.•Pollutants abatement in water by photocatalysts made from leather industry wastes.

Carbonaceous N-containing materials derived from leather skin residues have been found to have unprecedented photocatalytic properties as compared to P25 Evonik, with an interesting degradation potential for contaminants in water (e.g. phenol). The carbonaceous materials were prepared by carbonization of the leather skin residues at different temperatures (180–600 °C). Different crystalline species of Cr2O3 and TiO2 were found in the materials obtained. In spite of a low surface area and phase crystallinity, a thermally treated material at 180 °C containing doped chromium oxides (eskolaite phase) provided remarkably improved activities with respect to classical titania derived materials.

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Keywords
Leather skin residues; Photocatalysis; Chromium oxide; Phenol degradation
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Unprecedented photocatalytic activity of carbonized leather skin residues containing chromium oxide phases
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volumes 150–151, 5 May 2014, Pages 432–437
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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