Results 21 to 30 of about 52,317 (203)

Flotation performance analysis on coal washery rejects

open access: yesEnergy Geoscience, 2021
The coal washery rejects cause major environmental problems in various parts of the globe. Nearly 1 Mt of coal rejects discarded as waste, is accumulated per annum in India, during washing or cleaning of raw coal.
P.S. Kumar   +3 more
doaj   +1 more source

An increase in the Copper Recovery of the Sarcheshmeh Copper Complex through Reagent Modifications [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2022
In the flotation of sulfide minerals, particularly in the separation between pyrite and chalcopyrite, adjustment of the pH and reagents dosages is very important.  Process auditing at the Sarcheshmeh copper complex showed that the pH in the rougher cells
Ehsan Salajegheh   +2 more
doaj   +1 more source

Characterization of Nitrogen Release in Modified Controlled-Release-Fertilizer using Rice Husk Biochar

open access: yesInternational Journal of Technology, 2020
Rice husk biochar was added to modify ureic fertilizer in order to control nitrogen release in two methods: (1) mixed-granule and (2) as a coating. The mixed-granule fertilizer was made of varied compositions of rice husk biochar, ureic fertilizer ...
Himawan Tri Bayu Murti Petrus   +5 more
doaj   +1 more source

Trends in Modeling, Design, and Optimization of Multiphase Systems in Minerals Processing [PDF]

open access: yes, 2019
Multiphase systems are important in minerals processing, and usually include solid–solid and solid–fluid systems, such as in wet grinding, flotation, dewatering, and magnetic separation, among several other unit operations.
Luis Cisternas   +2 more
core   +1 more source

Characterization of Discarded Lead–Zinc Sulfide Ore Tailings Based on Mineral Fragments [PDF]

open access: yes, 2022
The lead–zinc ore is a typical low-grade complex polymetallic sulphide ore. Its typical mineralogy is characterized by a high content of cryptocrystalline graphite, low content of lead, zinc, and copper, and fine grain size.
Hu, Wentao   +13 more
core   +1 more source

Cultivating Innovative Talents of Mineral Processing Engineering Based on the Advantage of National Key Discipline [PDF]

open access: yes2011 ASEE Annual Conference & Exposition Proceedings, 2020
Cultivating Innovative Talents of Mineral Processing Engineering Based on the Advantage of National Key Discipline Youjun Tao*, Guangyuan Xie, Yali Kuang School of Chemical Engineering and Technology, China University of Mining & Technology, Xuzhou, Jiangsu 221116ABSTRCT: The importance of innovative personnel training for mineral processingengineering
Yue-Min Zhao, Yue-min Zhao
openaire   +2 more sources

The use of productivity improvement tools at a mineral processing plant [PDF]

open access: yes, 2023
Proceedings of the International Conference on Industrial Engineering and Operations Management Manila, Philippines, March 7-9, 2023This study investigates the applicability and effectiveness of continuous improvement tools in mineral processing plants.
Makwanda, Nobert   +2 more
core   +1 more source

Structural evolution of coal sludge filter cake and optimization mechanism of combined chemicals in the process of filtration pressing

open access: yesMeitan xuebao
The structure of coal sludge filter cake has an important influence on the dewatering effect. In this study, the characteristics of the filter cake structure and its evolution law in the process of filter press dewatering were investigated by using the ...
Xiaomin MA   +4 more
doaj   +1 more source

Application of gravity separators for enrichment of South Chah-Palang tungsten ore [PDF]

open access: yesInternational Journal of Mining and Geo-Engineering, 2016
In the present study, the possibility of concentrating tungsten-copper vein ore in South Chah-Palang was examined using gravity separators including Jig Machine (-2360+600 μm), shaking table (-600+120 μm), and multi-gravity separator (MGS) (-120 μm). The
Hamid Hedayati Sarab-shahrak   +3 more
doaj  

Sustainable Processing of Mineral Resources [PDF]

open access: yes, 2014
This paper reviews some of the recent challenges in the sustainable processing of primary mineral resources and discusses the technical prospects for meeting these challenges.
Rosenkranz, Jan,, Lamberg, Pertti,
core   +1 more source

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