Rhenium: Radionuclides

Tagami, Keiko; Uchida, Shunsuke

doi:10.1002/0470862106.ia732

Cited by 3 publications

(1 citation statement)

References 54 publications

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“…Rhenium is one of the rarest (7 x 10 -8 %) and most broadly scattered elements on Earth's crust [37]. Due to its paucity (approximately five times scarcer than gold) [38], Re is one of the most valuable metals in the international market.…”

Section: Noble Metals Available In Bulgaria and Hyperaccumulator Plantsmentioning

confidence: 99%

Potential of phytomining in Bulgaria

Miteva

Petrov

Stefanova

2022

IOP Conf. Ser.: Mater. Sci. Eng.

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Phytomining has been gaining more and more popularity in recent years. Scientific information is being accumulated and technologies are being developed that could make phytomining an applicable technology for the extraction of rare and noble metals. In Bulgaria, the mining industry is well developed. Copper, lead, zinc, gold and polymetallic ores are mainly mined. The waste generated during the mining process of these ores has a great potential for phytomining. There are many existing, abandoned and closed dumps, tailings ponds and landfills that have the potential to be used for phytomining. This paper analyzes the possibility of using phytomining technology for the extraction of noble and rare metals in Bulgaria. An overview of the level of development of phytomining technologies and the available resources in Bulgaria for which it is applicable has been made.

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Section: Noble Metals Available In Bulgaria and Hyperaccumulator Plantsmentioning

confidence: 99%

Potential of phytomining in Bulgaria

Miteva

Petrov

Stefanova

2022

IOP Conf. Ser.: Mater. Sci. Eng.

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Phytomining of Rare and Valuable Metals

et al. 2017

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The effects of rhenium accumulation on Indian mustard

Novo

Silva

Pereira

et al. 2018

Environ Sci Pollut Res

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Rhenium (Re) is one of Earth's scarcest and more largely scattered elements, with an estimate concentration of 0.4-0.6 μg kg in the upper crust. Still, considerable concentrations of bioavailable ReO ions are often found, particularly in copper-molybdenum mines, where their uptake by plants of these regions has been reported. Yet, the impact of Re on plants remains a question mark, as the only available knowledge derives from a limited investigation carried out over 60 years ago. The aim of this study was to evaluate the ecophysiological response of Brassica juncea, a species known to endure and accumulate various metals, to a broad range of Re concentrations. B. juncea plants were allowed to grow and on a substrate amended with KReO to attain soil Re levels ranging from 0 to 80 mg kg. Plants were collected 45 days after sowing for analysis. The results have shown that greater Re levels reduce growth, photosynthetic activity, soluble carbohydrate mobilization, and protein contents, and increase the plant's oxidative stress (anthocyanins, HO, lipid peroxidation) and corresponding response (ascorbic acid, superoxide dismutase activity). Nevertheless, B. juncea exhibited a remarkable ability to endure and uptake Re, featuring shoot Re concentrations that ranged from 1615 to 24,987 mg kg among the 5 and 80 mg kg treatments.

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Rhenium: Radionuclides

Cited by 3 publications

References 54 publications

Potential of phytomining in Bulgaria

Potential of phytomining in Bulgaria

Phytomining of Rare and Valuable Metals

The effects of rhenium accumulation on Indian mustard

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