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| Content Provider | Springer Nature Link |
|---|---|
| Author | Yao, Jun Li, Wenbing Xia, Fangfang Wang, Jing Fang, Chengran Shen, Dongsheng |
| Copyright Year | 2010 |
| Abstract | Municipal solid waste incinerator (MSWI) bottom ash is often reused as a secondary construction material. This study used a comprehensive approach to characterize the leaching behavior of copper (Cu) from the MSWI bottom ash. The batch titration procedure was used to determine the acid neutralizing capacity and Cu leaching as a function of pH. The sequential extraction procedure (SEP) was adopted to analyze the speciation of Cu in the MSWI bottom ash. The metal speciation equilibrium model for surface and ground water (Visual MINTEQ) was used to evaluate the equilibrium of the leachates with the relative minerals, and to determine the speciation of the aqueous Cu in the leachates. Based on the multi-analysis of the results, Cu would be significantly released from the MSWI bottom ash when it is acidic. The Cu leaching pattern was not only affected by dissolved organic carbon, it was also limited by its speciation in the MSWI bottom ash. Furthermore, almost 100% of the aqueous Cu in the leachate was bound to organic matter in basic and neutral conditions, but mostly existed as Cu$^{2+}$ in an acidic condition. These findings provide an important insight into predicting the leaching behavior of Cu from the MSWI bottom ash, as well as its impact on the environment. |
| Starting Page | 340 |
| Ending Page | 348 |
| Page Count | 9 |
| File Format | |
| ISSN | 20951701 |
| Journal | Frontiers of Energy and Power Engineering in China |
| Volume Number | 5 |
| Issue Number | 3 |
| e-ISSN | 16737504 |
| Language | English |
| Publisher | SP Higher Education Press |
| Publisher Date | 2010-12-02 |
| Publisher Institution | Chinese Universities |
| Publisher Place | Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | MSWI bottom ash Cu leaching batch titration procedure SEP Energy Technology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Energy Engineering and Power Technology |
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