Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Alena Luptáková"'
Publikováno v:
Journal of Civil Engineering, Environment and Architecture (2016)
Concrete performs well when exposed to various atmospheric conditions, water, soil, and many other chemical exposures. However, some chemical environments or even water can deteriorate high-quality concrete. Paper considers the usefulness of current
Externí odkaz:
https://doaj.org/article/c223163ad86144389e7849b92f094c76
Autor:
Jana Jenčárová, Alena Luptáková
Publikováno v:
Acta Montanistica Slovaca, Vol 16, Iss 2, Pp 154-158 (2011)
The aim of this study is to prepare biogenic sulphides by using bacteria for the removal of zinc cations from their solutions. Theproduction was realized in a bioreactor under anaerobic conditions at 30 °C. Sorbents were prepared by sulphate-reducin
Externí odkaz:
https://doaj.org/article/3420ab4d52cc46bfacf0344e90ad7588
Autor:
Alena Luptáková
Publikováno v:
Acta Montanistica Slovaca, Vol 11, Iss special issue 2, Pp 339-344 (2006)
The aim of this work was a study concrete biocorrosion by iron and sulphur-oxidising bacteria and sulphate-reducing bacteria. Tests were conducted on the ground of two different approaches. In the first approach was studied the individual influence o
Externí odkaz:
https://doaj.org/article/2f6674c219fb4e4984ed0e9f9f1900d7
Autor:
Alena Luptáková, Mária Praščáková
Publikováno v:
Acta Montanistica Slovaca, Vol 10, Iss special issue 1, Pp 302-306 (2005)
Soils and waters contaminated with toxic metals pose a major environmental problem that needs an effective and affordable technological solution. Many areas remain contaminated with no remediation in sight because it is too expensive to clean them up
Externí odkaz:
https://doaj.org/article/912ef18dde6040ee91f76cea38cee567
Publikováno v:
Acta Montanistica Slovaca, Vol 10, Iss special issue 1, Pp 164-168 (2005)
The mineral biotechnologies, a domain of the primary raw material processing, are increasingly diversifying into some metallurgical areas. The presented results of research carried out with metallurgical wastes from aluminium production, lead waste r
Externí odkaz:
https://doaj.org/article/f7266f059d0b471da1323ec3a6a809a8
Autor:
Alena Luptáková
Publikováno v:
Acta Montanistica Slovaca, Vol 9, Iss 4, Pp 477-481 (2004)
One of the most important problems affecting mining companies around the world is the treatment of acid mine drainage (AMD). AMD is characterised by its high acidity, high concentration of metals (Cu, Zn, Cd,
) and high concentration of dissolved su
Externí odkaz:
https://doaj.org/article/21524d423b6247fe997c33ea9484ae16
Autor:
Mária Kušnierová, Alena Luptáková
Publikováno v:
Acta Montanistica Slovaca, Vol 9, Iss 4, Pp 454-458 (2004)
The objective of our study was to verify experimentally the possibility of using coal mine drainage and gypsum from the stabilizate (the final product from the combustion desulphurisation) as the source of sulphate for the cultivation of SRB with the
Externí odkaz:
https://doaj.org/article/3cf9da805e0143cca7cfd4c2c9b62524
Autor:
Alena Luptáková
Publikováno v:
Nova Biotechnologica et Chimica. 7:17-22
The sulphate-reducing bacteria represent the part of the biosphere, the active component in the cycle of elements in the biosphere and as shown by the existing knowledge they are becoming also the part of the environmental industrial technologies. Th
Publikováno v:
Nova Biotechnologica et Chimica. 9:147-154
The submitted work is oriented on the study of two aspects of the sulphate-reducing bacteria metabolism: the metals bioprecipitation and the concrete biodeterioration. The bioprecipitation of metals with the bacterially produced hydrogen sulphide by
Publikováno v:
Nova Biotechnologica et Chimica. 10:23-32
The objectives of the present work give the results view of some physicochemical, chemical and biological-chemical methods for the heavy metals removal from Acid Mine Drainage (AMD). The background of the studied physicochemical methods was the adsor