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Wyświetlanie 1-2 z 2
Tytuł:
The identification of heavy metal accumulator ferns in abandoned mines in the Philippines with applications to mine rehabilitation and metal recovery
Autorzy:
Claveria, Rene Juna R.
Perez, Teresita R.
Navarrete, Ian A.
Perez, Rubee Ellaine C.
Lim, Brian Christian C.
Powiązania:
https://bibliotekanauki.pl/articles/1839051.pdf
Data publikacji:
2020
Wydawca:
Główny Instytut Górnictwa
Tematy:
hyperaccumulator ferns
mine rehabilitation
phytoremediation
phytomining
paprocie hiperakumulacyjne
rekultywacja kopalni
fitoremediacja
fitogórnictwo
Opis:
This paper focuses on the identification of some plant accumulators of heavy metals that can facilitate mine remediation and rehabilitation in the Philippines and metal recovery or phytomining. Most of these hyperaccumulators are ferns that thrive very well in different terrains and of particular interest are Pityrogramma calomelanos, Pteris vittata, and Pteris melanocaulon that are abundant in abandoned CueAu mining areas. The amounts of Cu and As in the soil and in the aboveground (AG) and belowground (BG) components of the accumulator ferns were determined and the Bioaccumulation Factor (BF) and the Translocation Factor (TF) were derived. Efforts to propagate the accumulator ferns identified from spores were successful, thus providing the opportunity of using them for various experiments on mine rehabilitation and metal recovery. The results of these experiments indicated that these hyperaccumulator ferns have the greatest potential for the remediation of metal contaminated soils, the rehabilitation of abandoned mines, and phytomining.
Źródło:
Journal of Sustainable Mining; 2020, 19, 1; 46-57
2300-1364
2300-3960
Pojawia się w:
Journal of Sustainable Mining
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wykorzystanie mikroorganizmów i roślin do pozyskiwania metali
The use of microorganisms and plants in metal extracting
Autorzy:
Gałuszka, A.
Powiązania:
https://bibliotekanauki.pl/articles/2074372.pdf
Data publikacji:
2005
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
biotechnologia
biogórnictwo
fitogórnictwo
mikroorganizmy
biomining
phytomining
bioleaching
biooxidation
stirred tanks
dumps
microorganisms
hyperaccumulators
Opis:
Technologies using living organisms for extracting metals from mine wastes, ore concentrates and poor quality ores have been developed since the early 1980s. Of these technologies, the most popular is biomining that uses the natural ability of microorganisms to leach metals. Microorganisms oxidize sulfur and iron in sulfide ores, thus contributing to the conversion of insoluble metal sulfides to soluble sulfates, which enables to recover pure metals from extracts. By degrading the mineral (rock) matrix, microorganisms make extraction of precious metals with traditional techniques easier and more effective. Phytominig is based on the tendency of some plant species to bioaccumulate excessive amounts of metals from their hostrock. The plants, called hyperaccumulators are grown on highly mineralized soils or post-mine lands and their yield (bio-ore) is used as a pure metal source. Compared to the biomining, this technology is not so popular primarily because of the longevity of this process and its unprofitability. This report describes bio- and phytomining technologies, the most important species and their ecological demands, as well as biochemical processes that are associated with bio- and phytomining. The advantages and disadvantages of these technologies, and their potential for future applications are summarized in the last chapter.
Źródło:
Przegląd Geologiczny; 2005, 53, 10/1; 858-862
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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