Results 31 to 40 of about 157,220 (313)
The study of pelletizing of mixed hematite and magnetite ores [PDF]
Science of Sintering, 2019 The present study aims to investigate the use of mixed hematite and magnetite ores in iron ore pellet production. Pelletizing tests were carried out on the hematite and magnetite premixed pellet feed.
Kumar P.S. +3 more
doaj +1 more source
Kuangchan zonghe liyong, 2022 Content of MgO in Jinchuan copper-nickel sulfide ore is high, mainly serpentine. The production quota show that the content of MgO was fluctuates greatly in concentrate and exceeds the standard seriously, and the metal grade is high in tailings and the ...
Liangzhong Ding, Zong Dai, Zhiqing He
doaj +1 more source
A Review of the Grinding Media in Ball Mills for Mineral Processing
, 2023 The ball mill is a rotating cylindrical vessel with grinding media inside, which is responsible for breaking the ore particles. Grinding media play an important role in the comminution of mineral ores in these mills.
Nyasha Matsanga +2 more
core +1 more source
Challenges in sulphide mineral processing
, 2011 Scientists and technologists in world over are making large efforts to streamline the conventional technological schemes of ore processing, in particular froth flotation towards reducing overall costs, limiting the use of dangerous substances, decreasing
Chernyshova, I.V., +1 more
core +1 more source
On the Challenges of Applying Machine Learning in Mineral Processing and Extractive Metallurgy
, 2023 The application of Machine Learning in Mineral Processing and Extractive Metallurgy has important benefits in terms of increasing the predictability and controllability of the processes, optimizing their performance, and improving maintenance.
Pía Lois-Morales +3 more
core +1 more source
, 2022 Global sensitivity analysis (GSA) is a fundamental tool for identifying input variables that determine the behavior of the mathematical models under uncertainty.
Freddy A. Lucay
core +1 more source
Improving Beneficiation of Copper and Iron from Copper Slag by Modifying the Molten Copper Slag
Metals, 2016 In the paper, a new technology was developed to improve the beneficiation of copper and iron components from copper slag, by modifying the molten slag to promote the mineralization of valuable minerals and to induce the growth of mineral grains.
Zhengqi Guo +4 more
doaj +1 more source
Reaction Mechanism of Siderite Lump in Coal-Based Direct Reduction
High Temperature Materials and Processes, 2016 Siderite is one of the significant iron ore resources in China and yet is difficult to upgrade by traditional beneficiation processes. A process of coal-based direct reduction–magnetic separation was successfully developed for the beneficiation of ...
Zhu Deqing +3 more
doaj +1 more source
Arthritis Care &Research, EarlyView.Objective To investigate the association between rheumatoid arthritis (RA) and coronary artery calcium (CAC) prevalence, incidence, and progression over four years in adults without prior cardiovascular disease. Methods A case‐cohort study within the Brazilian Longitudinal Study of Adult Health (ELSA‐Brasil) included 585 participants (86 patients with ...
Patrícia Fonseca Estrada +7 more
wiley +1 more source
EMJM PROMISE—The New International Erasmus Mundus Joint Master in Sustainable Mineral and Metal Processing Engineering [PDF]
, 2022 The challenge of attracting young people to the field of mineral processing as well as the ever-growing worldwide demand for minerals and metals together with lower-grade deposits and shortages of energy and water triggered the establishment of the new ...
Wolfgang Öfner +11 more
core +1 more source