Journal
CURRENT OPINION IN CHEMICAL ENGINEERING
Volume 33, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.coche.2021.100704
Keywords
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Funding
- Research Grants of Nazarbayev University [091019CRP2106, 021220FD1051]
- Ministry of Education and Science of the Republic of Kazakhstan [APO9260229]
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This paper discusses the application of metallic catalysts in removing Hg(II) contamination from water sources, summarizing the latest advancements and key issues.
Contamination of water sources by Hg(II) is still a severe environmental issue. Among various Hg(II) removal technologies, the metal-based reductive removal of Hg(II) has been considered as one of the promising and innovative approaches in natural and engineered aquatic environments. A critical review of the recent advances in the metallic catalysts was provided based on the summary of current existing environmental technologies. In this contribution, two types of Hg(II) reduction by metallic catalysts with supports and with surface functionalization (-SH and -NH) were summarized and discussed. This review also addressed the most critical operational parameters, durability of catalysts, and potential limitation in their applications for the treatment of water and wastewater. Finally, future prospects of catalytic Hg(II) removal technologies were provided.
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