| ORIGINAL ARTICLE |
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| Year : 2017 | Volume
: 9
| Issue : 5 | Page : 79-81 |
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Recovery of mercury from dental amalgam scrap-Indian perspective
Kadandale Sadasiva1, Sreeram Rayar1, Unnikrishnan Manu1, Kumarappan Senthilkumar1, Srinivasan Daya2, Nagarajan Anushaa3
1 Department of Conservative Dentistry and Endodontics, Chettinad Dental College and Research Institute, Kanchipuram, Tamil Nadu, India
2 Department of Pedodontics, Chettinad Dental College and Research Institute, Kanchipuram, Tamil Nadu, India
3 Department of Dental Surgeon, Chennai, Tamil Nadu, India
Correspondence Address:
Kadandale Sadasiva
Department of Conservative Dentistry and Endodontics, Chettinad Dental College, Kanchipuram - 603 103, Tamil Nadu
India
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/jpbs.JPBS_90_17
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Aim: The aim is to recycle mercury from dental amalgam scrap using the vacuum distillation method. Materials and Methods: A total of 150 g of dental amalgam scrap was taken in a round bottom flask and was subjected to vacuum distillation at 398°C. The vapor of mercury was collected in another round bottom flask. Observation: The procedure is carried out for mercury recovery using vacuum distillation apparatus, and mercury vapor are collected in a round bottom flask, and the silver is recovered using sucrose as reducing agent. Using 150 g of dental amalgam scrap 50%–80% of silver are recovered, and silver has a purity of 70%–80%. However, the total time required in the reduction process ranged between 303 and 600 min. Conclusion: Mercury could be recycled from dental amalgam scrap through vacuum distillation method at 398°C and its implication of dental amalgam scrap in an Indian perspective.
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