Zobrazeno 1 - 10
of 67
pro vyhledávání: '"Tomasz Niedoba"'
Publikováno v:
Energies, Vol 16, Iss 4, p 1600 (2023)
Coal beneficiation processes are often based on gravitational enrichment techniques. Therefore, various types of jigs are often used in this area. A number of factors determine the quality of the final product. Therefore, proper and systematic monito
Externí odkaz:
https://doaj.org/article/3adfc83600af4371b7b6b99809acf0c6
Publikováno v:
Energies, Vol 16, Iss 4, p 1939 (2023)
This paper presents the jig operating properties of the selected final parameters of the hard coal concentrate. The quality parameters of the product, such as the yield and ash content, were evaluated in terms of the technical and hydrodynamic parame
Externí odkaz:
https://doaj.org/article/4aedce00974d444a9ae94651dd704988
Publikováno v:
Materials, Vol 15, Iss 12, p 4046 (2022)
This article presents an analysis of separation results in a specially designed and activated light fraction separator used to remove impurities from mineral aggregates. Laboratory tests conducted on a quarter-technical scale involved performing expe
Externí odkaz:
https://doaj.org/article/0dac435a735a4db08312846d057d20fb
Publikováno v:
Minerals, Vol 12, Iss 2, p 258 (2022)
In open-pit mines, the blast operation should be effectively optimized, leading to minimization of production costs through the application of specific technical specifications. However, there is inadequate information in the literature to link blast
Externí odkaz:
https://doaj.org/article/7249c7de0f634c26a95fe6d1be558873
Publikováno v:
Materials, Vol 14, Iss 11, p 2880 (2021)
This work aims at presenting an advanced simulation approach for a novel rhamnolipidic-based bioflotation process to remove chromium from wastewater. For this purpose, the significance of key influential operating variables including initial solution
Externí odkaz:
https://doaj.org/article/6eb4c7a6b59e4d0293055aa559d0fe19
Publikováno v:
Atmosphere, Vol 12, Iss 6, p 695 (2021)
The paper deals with issues related to analyzing the spread of air pollution and pollutants in large urban agglomerations, specifically, the search for causality between meteorological conditions and the concentrations of particular substances. The p
Externí odkaz:
https://doaj.org/article/eb59142a860043698471f98c0514664a
Publikováno v:
Minerals, Vol 11, Iss 4, p 385 (2021)
Three factors were measured in the flotation process of copper ore: the copper grade in a concentrate (β), the copper grade in tailings (ϑ), and the recovery of copper in a concentrate (ε). The experiment was conducted by means of a Jameson cell.
Externí odkaz:
https://doaj.org/article/b8773892f3c1483e8f94baa4ab9ace9f
Autor:
Esmaeel Darezereshki, Ali Behrad Vakylabad, Ahmad Hassanzadeh, Tomasz Niedoba, Agnieszka Surowiak, Babak Koohestani
Publikováno v:
Minerals, Vol 11, Iss 4, p 419 (2021)
By developing technologies, spent lithium-ion batteries (LIBs) are considered a great source of nickel-cobalt ions to fabricate metal sulfide nanoparticles. However, the presence of unnecessary ions such as manganese and lithium may hamper the format
Externí odkaz:
https://doaj.org/article/ec17bcfd9d584967a94821557db48828
Publikováno v:
Minerals, Vol 11, Iss 3, p 269 (2021)
According to the wide application of muscovite in various industries, many studies have focused on its fabrication. However, the process of its synthesis faces long-standing challenges mainly related to the elevated temperature and pressure ambient,
Externí odkaz:
https://doaj.org/article/def51c76fb6345b594e212f0035475dc
Publikováno v:
Minerals, Vol 11, Iss 1, p 48 (2021)
Numerous studies have addressed the role of ultrasonication on floatability of minerals macroscopically. However, the impact of acoustic waves on the mineral hydrophobicity and its physicochemical aspects were entirely overlooked in the literature. T
Externí odkaz:
https://doaj.org/article/dffb8dd8a8cf47c4a554b80f02fa1da2