Thermogravimetric Investigation of the Lead Volatilization from Waste Cathode-Ray Tube Glass
Abstract
:1. Introduction
2. Experimental Section
2.1. Materials
2.2. Thermogravimetric Analysis
2.3. Tube Reactor Experiments
2.4. Kinetic Investigation
3. Results and Discussion
3.1. Identification of Reaction Steps
3.2. TGA Mass Balance
3.3. Kinetic Parameters
Sample | Reaction Step | EA [kJ·mol−1] | A [min−1] | Model |
---|---|---|---|---|
CRT (TGA) | Step 1 | 204–220 | - | A3,A4,P2,P3,P4 |
Step 2 | 180 | - | D2,D3,D4 | |
CRT (tube reactor) | 101 | 4770 | F2 | |
Amorphous PbSiO4 | Step 1 | - | - | A2,A3,P2,P3 |
Step 2 | 190 | - | D1,D2,D3,D4 | |
173 | 2.1 × 107 | P2/3 | ||
Crystalline PbSiO4 | 116 | 4.0 × 104 | R3 | |
117 | 1.5 × 105 | F1 |
4. Conclusions
Supplementary Materials
Acknowledgments
Author contributions
Conflicts of Interest
References
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Grause, G.; Takahashi, K.; Yoshioka, T. Thermogravimetric Investigation of the Lead Volatilization from Waste Cathode-Ray Tube Glass. Recycling 2016, 1, 111-121. https://doi.org/10.3390/recycling1010111
Grause G, Takahashi K, Yoshioka T. Thermogravimetric Investigation of the Lead Volatilization from Waste Cathode-Ray Tube Glass. Recycling. 2016; 1(1):111-121. https://doi.org/10.3390/recycling1010111
Chicago/Turabian StyleGrause, Guido, Kenshi Takahashi, and Toshiaki Yoshioka. 2016. "Thermogravimetric Investigation of the Lead Volatilization from Waste Cathode-Ray Tube Glass" Recycling 1, no. 1: 111-121. https://doi.org/10.3390/recycling1010111