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Wyszukujesz frazę "Fiúza, A." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Bioremediation of humic soils contaminated with benzene
Autorzy:
Rosas, M.
Domingues, V.
De Marco, P.
Oliva-Teles, T.
Fiuza, A.
Albergaria, J. T.
Delerue-Matos, C. M.
Powiązania:
https://bibliotekanauki.pl/articles/363158.pdf
Data publikacji:
2010
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie
Tematy:
bioremediacja
benzen
gleby huminowe
bioremediation
benzene
humic soils
Opis:
Bioremediation uses degradation capacity of indigenous or inoculated microorganisms to biodegrade organic constituents adsorbed to soils. It is a technology that generally requires long periods of treatment to reach the desired clean-up goals. The objectives of the reported work were to evaluate the capability of bioremediation to achieve legal clean-up goals in a humic soil with an organic matter content of 14% and contaminated with benzene. The benzene quantification was performed by gas chromatography. The results of the experiments were used to calculate process efficiency and remediation time. It was concluded that: a) the bioremediation is an effective process; b) bioremediation efficiencies were near 100%; and c) the remediation times were 92, 139 and 354 hours for soils contaminated with benzene levels of 70, 90 and 120mg*kg-1, respectively.
Źródło:
Environmental Biotechnology; 2010, 6, 1; 11-15
1734-4964
Pojawia się w:
Environmental Biotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tailings reprocessing from Cabeco do Piao dam in Central Portugal: a kinetic approach of experimental data
Autorzy:
Figueiredo, J.
Vila, M. C.
Matos, K.
Martins, D.
Futuro, A.
de Lurdes Dinis, M.
Góis, J.
Leite, A.
Fiúza, A.
Powiązania:
https://bibliotekanauki.pl/articles/92190.pdf
Data publikacji:
2018
Wydawca:
Główny Instytut Górnictwa
Tematy:
tailings
multi-criteria optimization
reprocessing
zinc
tungsten
odpadki
optymalizacja wielokryterialna
utylizacja
cynk
wolfram
Opis:
The mining waste and tailing dam are object of discussion due to the accidents that occur due to a lack of control or due to interest in the remaining minerals present in these materials. Most of the old tailings dams have high contents of heavy metals which could represent potential risks to the environment or be an alternative source of some critical raw materials. The case study of the Cabeco do Piao dam in Central Portugal involved tailings from a processing plant that belonged to the Panasqueira Mine Complex, which has been in operation for over 120 years. Waste rock and mining tailings were deposited in the area until 1995, and they represent an environmental liability for the local population due to their high content of toxic metals. Tailings reprocessing can be considered as a solution that minimizes social and environmental impacts, recovers some essential minerals, such as Zn, W, and Cu which can help to offset investments made. The project design involves several stages of metal concentration, determined by experiments, as well as a model of the process. The overall model will take into account technological constraints, social-economic conditions and environmental impacts. A preliminary result of an optimization study of the kinetic approach is presented in this piece of work.
Źródło:
Journal of Sustainable Mining; 2018, 17, 3; 139-144
2300-1364
2300-3960
Pojawia się w:
Journal of Sustainable Mining
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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