Zobrazeno 1 - 10
of 618
pro vyhledávání: '"Willner J."'
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 3, Pp 1459-1466 (2017)
The role of iron in metal-bearing waste bioleaching was studied. Four various types of waste (printed circuit boards (PCBs), Ni-Cd batteries, alkaline batteries and Li-ion batteries) were treated by bioleaching using the acidophilic bacteria A. ferro
Externí odkaz:
https://doaj.org/article/e8b25fdef2fb4511a2e0a4867d28aade
Control over the Biological Synthesis of Ag Nanoparticles by Selection of the Specific Algal Species
Autor:
Sedlakova-Kadukova J., Velgosova O., Vosatka M., Lukavsky J., Dodd J., Willner J., Fornalczyk A.
Publikováno v:
Archives of Metallurgy and Materials, Vol 62, Iss 3, Pp 1439-1442 (2017)
The application of green synthesis in the nano-science and technology is of great importance in the area of the preparation of various materials. In this work, three selected algal species Parachlorella kessleri, Dictyosphaerium chlorelloides and Des
Externí odkaz:
https://doaj.org/article/c4a40f9c161548b29b73cd4c9b45f357
Publikováno v:
Archives of Metallurgy and Materials, Vol 61, Iss 2, Pp 713-718 (2016)
The recovery of precious metals is necessary for environmental and economic reasons. Spent catalysts from automotive industry containing precious metals are very attractive recyclable material as the devices have to be periodically renovated and even
Externí odkaz:
https://doaj.org/article/3c35968726a847009c7f20c54ca23a67
Autor:
Fornalczyk A., Kraszewski M., Willner J., Kaduková J., Mrážiková A., Marcinčáková R., Velgosová O.
Publikováno v:
Archives of Metallurgy and Materials, Vol 61, Iss 1, Pp 233-236 (2016)
Metal supported auto catalysts, have been used in sports and racing cars initially, but nowadays their application systematically increases. In Metal Substrate (supported) Converters (MSC), catalytic functions are performed by the Platinum Group Meta
Externí odkaz:
https://doaj.org/article/1ecc7a7b788841e9af614d0c8c636368
Autor:
Mrážiková A., Kaduková J., Marcinčáková R., Velgosová O., Willner J., Fornalczyk A., Saternus M.
Publikováno v:
Archives of Metallurgy and Materials, Vol 61, Iss 1, Pp 261-264 (2016)
The objective of this work was to evaluate the influence of static, stirring and shaking conditions on copper, zinc, nickel and aluminium dissolution from printed circuit boards (PCBs) using the mixed acidophilic bacterial culture of Acidithiobacillu
Externí odkaz:
https://doaj.org/article/910b37f11d6f415c86dd72f9e394e566
Autor:
Willner J., Fornalczyk A.
Publikováno v:
Archives of Metallurgy and Materials, Vol 60, Iss 4, Pp 2945-2948 (2015)
Catalytic converters contain the catalytic substance in their structure, which is a mixture of Platinum Group Metals (PGMs): platinum, palladium and rhodium. The prices of these metals and a growing demand for them in the market, make it necessary to
Externí odkaz:
https://doaj.org/article/43d825b634a64e26bbc463de0af5751f
Publikováno v:
Archives of Metallurgy and Materials, Vol 60, Iss 3, Pp 1877-1880 (2015)
The main task of automotive catalytic converters is reducing the amount of harmful components of exhaust gases. Metallic catalytic converters are an alternative to standard ceramic catalytic converters. Metallic carriers are usually made from FeCrAl
Externí odkaz:
https://doaj.org/article/3e7ceeb5fb9a436f98f162cdd8913d01
Publikováno v:
Archives of Metallurgy and Materials, Vol 59, Iss 2, Pp 779-783 (2014)
Czas życia katalizatorów samochodowych jest ograniczony. Dzisiejsze przepisy środowiskowe wymagają aby były one poddawane procesowi recyklingu jako cenne źródło platynowców, AI2O3 i złomu stalowego. Metale szlachetne stosowane w tych urząd
Externí odkaz:
https://doaj.org/article/3ac281fb13aa419ba1df20d733336592
Publikováno v:
Archives of Metallurgy and Materials, Vol 59, Iss 2, Pp 801-804 (2014)
Samochodowe konwertory katalityczne mają ograniczony czas życia, po czym katalizator ten należy wymienić lub poddać regeneracji. Zużyte katalizatory zawierają niewielkie ilości metali szlachetnych, a możliwość odzysku tych metali jest isto
Externí odkaz:
https://doaj.org/article/c94721c695d848679a3aae4039c94b7b
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