Thermal behaviors and heavy metal vaporization of phosphatized tannery
sludge in incineration process |
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Authors: | TANG Ping ZHAO Youcai and XIA Fengyi |
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Institution: | 1. State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai 200092, China 2. Department of Life and Environmental Science, Wenzhou University, Wenzhou, Zhejiang 325007, China |
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Abstract: | The high concentration of heavy metal (Cu, Cr, Zn, Pb) in tannery sludge causes severe heavy metal emissions in the process of incineration. In the present investigation, the tannery sludge was treated with 85% phosphoric acid before the incineration process in the tube furnace to control the heavy metal emissions. The thermal behavior and heavy metal vaporization of pre-treated tannery sludge were investigated, and X-ray diffraction (XRD) and scanning electron microscopy (SEM) analysis were also implemente... |
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Keywords: | tannery sludge thermal behavior heavy metal vaporization phosphatation |
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