Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Dušan Oráč"'
Publikováno v:
Materials, Vol 17, Iss 20, p 5113 (2024)
Currently, recycling of spent lithium-ion batteries is carried out using mechanical, pyrometallurgical and hydrometallurgical methods and their combination. The aim of this article is to study a part of the pyro-hydrometallurgical processing of spent
Externí odkaz:
https://doaj.org/article/75b01f48c59843ce9fc2abdd5c082c1e
Autor:
Jana Pirošková, Jakub Klimko, Silvia Ružičková, Martina Laubertová, Vladimír Marcinov, Erika Múdra, Marek Vojtko, Dušan Oráč
Publikováno v:
Metals, Vol 14, Iss 3, p 253 (2024)
During hot-dip galvanization, wastes such as bottom dross, zinc ash, spent pre-treatment solutions, and galvanizing flue dust (GFD) are generated. In scientific publications, research devoted to GFD waste recycling is absent, and companies generating
Externí odkaz:
https://doaj.org/article/f6c8fb9768264995939128406299a7bf
Autor:
Vladimír Marcinov, Jakub Klimko, Zita Takáčová, Jana Pirošková, Andrea Miškufová, Marcus Sommerfeld, Christian Dertmann, Bernd Friedrich, Dušan Oráč
Publikováno v:
Metals, Vol 13, Iss 7, p 1213 (2023)
The objective of this study is to describe primary lithium production and to summarize the methods for combined mechanical and hydrometallurgical recycling of lithium-ion batteries (LIBs). This study also aims to draw attention to the problem of lith
Externí odkaz:
https://doaj.org/article/5fa7aeb2f4b44d19a6c8bd15d5647621
Autor:
Jana Pirošková, Jakub Klimko, Jarmila Trpčevská, Martina Laubertová, Beatrice Plešingerová, Pavol Liptai, Tomáš Vindt, Dušan Oráč
Publikováno v:
Metals, Vol 12, Iss 5, p 744 (2022)
Waste generation is a part of every technological process, including galvanizing. The presented paper deals with the characterization of flue dust generated in the process of hot-dip galvanizing, and proposes possible methods for zinc recycling. The
Externí odkaz:
https://doaj.org/article/4ad2ff372b9f48369d00b163614eab52
Autor:
Dušan Oráč, Jakub Klimko, Dušan Klein, Jana Pirošková, Pavol Liptai, Tomáš Vindt, Andrea Miškufová
Publikováno v:
Metals, Vol 12, Iss 1, p 36 (2021)
Copper anode furnace dust is waste by-product of secondary copper production containing zinc, lead, copper, tin, iron and many other elements. Hydrometallurgical Copper Anode Furnace dust recycling method was studied theoretically by thermodynamic ca
Externí odkaz:
https://doaj.org/article/50b60f34f4f04242af83d47bff3d7923
Autor:
Jakub Klimko, Dušan Oráč, Andrea Miškufová, Claudia Vonderstein, Christian Dertmann, Marcus Sommerfeld, Bernd Friedrich, Tomáš Havlík
Publikováno v:
Metals, Vol 10, Iss 11, p 1558 (2020)
Due to the increasing demand for battery raw materials, such as cobalt, nickel, manganese, and lithium, the extraction of these metals, not only from primary, but also from secondary sources, is becoming increasingly important. Spent lithium-ion batt
Externí odkaz:
https://doaj.org/article/99e48a4cd5db4de1a22c2159dac969f9
Autor:
Marcus Sommerfeld, Claudia Vonderstein, Christian Dertmann, Jakub Klimko, Dušan Oráč, Andrea Miškufová, Tomáš Havlík, Bernd Friedrich
Publikováno v:
Metals, Vol 10, Iss 8, p 1069 (2020)
Due to the increasing demand for battery raw materials such as cobalt, nickel, manganese, and lithium, the extraction of these metals not only from primary, but also from secondary sources like spent lithium-ion batteries (LIBs) is becoming increasin
Externí odkaz:
https://doaj.org/article/43b49811c17d4f77ab093bb2d32e6779
Autor:
Andrea Miškufová, Martina Laubertová, Dušan Oráč, Zita Takáčová, František Kukurugya, Zuzana Hoang Trung, Tomáš Havlík
Publikováno v:
Acta Montanistica Slovaca, Vol 15, Iss 3, Pp 200-203 (2010)
In this study the hydrometallurgical processing of BOF sludge in the sulphuric acid solutions under atmospheric pressureand temperatures up to 100 °C is investigated on a laboratory scale. The influence of sulphuric acid concentration, temperature,
Externí odkaz:
https://doaj.org/article/00c1256ae0394c688df444934393995c
Autor:
Vladimir Maricinov, Dusan Orac, Iveta Vaskova, Jakub Klimko, Jana Piroskova, Simon Nagy, Pavol Liptai, Zita Takacova
Publikováno v:
Kemija u Industriji, Vol 73, Iss 3-4, Pp 147-152 (2024)
This paper presents a literature review on the processing of used lithium-ion batteries in both industry and research. On an industrial scale, lithium-ion batteries are primarily processed through pyrometallurgical methods, leading to incomplete util
Externí odkaz:
https://doaj.org/article/04b59c43f5ba41d0bb34c6620e1652af
Removal of Impurities from EAFD Ammonium Carbonate Leachate and Upgrading the Purity of Prepared ZnO
Publikováno v:
Materials, Vol 16, Iss 14, p 5004 (2023)
The paper describes cementation as a suitable method applied in the refining of EAFD leachates in order to obtain required purity of ZnO for specific industrial application. For study of cementation conditions, the leachate from alkaline leaching wit
Externí odkaz:
https://doaj.org/article/044cd2f1bf2245c7aea1bd3163bd3000