Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Leszek Blacha"'
Publikováno v:
Archives of Electrical Engineering, Vol vol. 73, Iss No 1, Pp 51-62 (2024)
Electromagnetic processing of molten copper is provided in a special kind of electrical furnace called an induction furnace with a cold crucible (IFCC), making it possible to successfully remove impurities from the workpiece. In order to analyze the
Externí odkaz:
https://doaj.org/article/d4406ca5af724639be9927364f72475f
Autor:
Robert Findorak, Lubomir Pikna, Tomasz Matuła, Leszek Blacha, Jerzy Łabaj, Albert Smalcerz, Dorota Babilas
Publikováno v:
Materials, Vol 17, Iss 11, p 2691 (2024)
In this paper, results of research on the reactivities of selected biomass types considering their application in pyrometallurgical processes of metal production are presented. Walnut shells, sunflower husk pellets and spent coffee grounds were selec
Externí odkaz:
https://doaj.org/article/b3a2fc19c66c4ae5bb1f9fa66d6e89c2
Autor:
Tomasz Matula, Jerzy Labaj, Pavol Vadasz, Beatrice Plešingerová, Albert Smalcerz, Leszek Blacha
Publikováno v:
Materials, Vol 16, Iss 20, p 6790 (2023)
In relation to the climate policy being introduced, the search for a replacement for solid fossil fuels with renewable raw materials is ongoing. In this study, a potential biomass (sunflower husk pellet) application in the process of copper slag redu
Externí odkaz:
https://doaj.org/article/e441eec0ab4c49a5bf62e9e787f8e9d5
Influence of the Power of Various Types of Induction Furnaces on the Shape of the Metal Bath Surface
Publikováno v:
Advances in Sciences and Technology, Vol 15, Iss 3, Pp 34-42 (2021)
The work shows the results of examinations conducted to ascertain the influence of the working power of a vacuum induction crucible furnace (ICF) and a furnace with a cold crucible(CCF), on the surface area of liquid Al-Zn alloy molten within these d
Externí odkaz:
https://doaj.org/article/2c3f02f02c01459c9e5ecda39d0bb373
Publikováno v:
Materials, Vol 16, Iss 14, p 5178 (2023)
A description of the process of metal evaporation from liquid alloys at an atmospheric pressure has a practical value for both the smelting and remelting of their scraps. The quantities of volatile components that are eliminated in these processes de
Externí odkaz:
https://doaj.org/article/e14a0b0b57194ca7be26dc750034328f
Autor:
Jerzy Łabaj, Leszek Blacha, Albert Smalcerz, Jakub Wieczorek, Maria Frӧhlichová, Pavol Vadasz, Robert Findorak, Marian Niesler
Publikováno v:
Engineering Science and Technology, an International Journal, Vol 24, Iss 4, Pp 996-1004 (2021)
In this work, the process of copper matte smelting with the utilization of a fine-grained coal-bearing material (the so-called coal flotation concentrate) as fuel is presented. This material is obtained by the process of coal sludge utilization, and,
Externí odkaz:
https://doaj.org/article/2829a203b3fe400284ffad182ca61800
Autor:
Tomasz Matula, Jerzy Labaj, Krzysztof Nowacki, Leszek Blacha, Lukasz Kortyka, Lukasz Mycka, Piotr Madej, Lukasz Jaworek, Tomasz Wojtal
Publikováno v:
Energies, Vol 16, Iss 5, p 2415 (2023)
This article presents the results of a study on metallurgical slag reduction using biomass such as Spent Coffee Grounds (SCGs). The proposed solution is a new aspect of searching for alternatives to standard reducers used in pyrometallurgical process
Externí odkaz:
https://doaj.org/article/59842544da104da2b9b987c75895924f
Autor:
Albert Smalcerz, Tomasz Matula, Michal Slusorz, Julia Wojtasik, Weronika Chaberska, Szymon Kluska, Lukasz Kortyka, Lukasz Mycka, Leszek Blacha, Jerzy Labaj
Publikováno v:
Materials, Vol 16, Iss 2, p 625 (2023)
The article presents the results of a study on metallurgical sludge reduction using electronic waste such as Printed Circuit Boards (PCBs). Two aspects were taken into account when selecting such a reducer, namely the environmental aspect and the tec
Externí odkaz:
https://doaj.org/article/9b82bc6e400c43ce8116f6197fad359e
Publikováno v:
Energies, Vol 15, Iss 21, p 7969 (2022)
In metallurgical processes, coke is used, among other materials, in order to implement the process of removing zinc from waste by reduction and evaporation. Due to the implemented de-carbonization policy, we are dealing with an increase in costs and
Externí odkaz:
https://doaj.org/article/ed34f88c9d3d4172882064f196b2025e
Autor:
Leszek Blacha, Albert Smalcerz, Bartosz Wecki, Jerzy Labaj, Debela Geneti Desisa, Maciej Jodkowski
Publikováno v:
Materials, Vol 15, Iss 19, p 7024 (2022)
Innovative technologies require the use of materials that meet increasingly high requirements; one such requirement is the purity of metals. In the case of copper, this translates into a parameter related to electrical conductivity. Traditional metal
Externí odkaz:
https://doaj.org/article/8a120c7389914a34ad8c221cca50aa99