Results 11 to 20 of about 574,644 (358)

Processing mineral raw materials [PDF]

open access: yes, 2008
Processing of raw materials by the producer countries themselves has frequently been recommended as an appropriate way for developing countries to increase their domestic value added and achieve positive employment effects. As against that, the following
Habenicht, Horst
core   +1 more source

Thermographic non-destructive evaluation for natural fiber-reinforced composite laminates [PDF]

open access: yes, 2018
Natural fibers, including mineral and plant fibers, are increasingly used for polymer composite materials due to their low environmental impact. In this paper, thermographic non-destructive inspection techniques were used to evaluate and characterize ...
Avdelidis, Nicolas P.   +7 more
core   +3 more sources

A facile method of transforming FGD gypsum to α-CaSO4·0.5H2O whiskers with cetyltrimethylammonium bromide (CTAB) and KCl in glycerol-water solution

open access: yesScientific Reports, 2017
A facile method to transform flue gas desulfurization gypsum (FGD gypsum) to α- calcium sulfate hemihydrate (α-HH) whiskers with high aspect ratios mediated by cetyltrimethylammonium bromide (CTAB) and KCl in glycerol-water solutions was studied ...
Qingjun Guan   +4 more
doaj   +1 more source

Removal and utilization of calcite existed in scheelite by preparation of calcium sulfate whiskers

open access: yesInternational Journal of Mining Science and Technology, 2017
In order to eliminate the effect of calcite associated with scheelite on the scheelite flotation, hydrochloric acid was used to dissolve the calcite, and the soaking solution was used to prepare CaSO4 whiskers by hydrothermal reaction with sulfuric acid ...
Qingjun Guan   +5 more
doaj   +1 more source

Increasing final concentrate grade of the Sarcheshmaeh Copper Complex floatation circuit by flowsheet modification [PDF]

open access: yesInternational Journal of Mining and Geo-Engineering, 2021
The Sarcheshmeh copper complex flotation circuit of plant No.1 consists of two identical north and south sections where each includes four rougher (each bank consists of 14 cells), two cleaners (each bank consists of 8 cells), two recleaners (each bank ...
Gholamabbas Parsapour   +6 more
doaj   +1 more source

Effect of Rare Earth Dissolution on Rare Earth Elements by Solvent Extraction from Malaysian Rare Earth Oxalate [PDF]

open access: yesE3S Web of Conferences
Light rare earth elements (LREEs), including Lanthanum (La), Cerium (Ce), Praseodymium (Pr), Neodymium (Nd), and Samarium (Sm), are crucial for modern technologies.
Selvaraj Tinesha   +5 more
doaj   +1 more source

Adsorption of Different Ionic Types of Polyacrylamide on Montmorillonite Surface: Insight from QCM-D and Molecular Dynamic Simulation

open access: yesMolecules, 2023
This study investigates the interaction between montmorillonite and polyacrylamide (PAM) with different ionic types using quartz crystal microbalance with dissipation monitoring (QCM-D) and molecular dynamics (MD) simulations.
Xiaomin Ma   +6 more
doaj   +1 more source

Integrated chlorination technology for producing alumina and silica from ash-slag waste of the TPP of Kazakhstan

open access: yesJournal of Materials Research and Technology, 2023
The paper proposes a technology for the disposal of accumulated ash-slag waste in Kazakhstan using chlorinated ash roasting with further leaching of the cinder with hydrochloric acid.
Nurlan Dosmukhamedov   +2 more
doaj   +1 more source

Development of a Dynamic Population Balance Plant Simulator for Mineral Processing Circuits [PDF]

open access: yesInternational Journal of Mining and Geo-Engineering, 2015
Operational variables of a mineral processing circuit are subjected to different variations. Steady-statesimulation of processes provides an estimate of their ideal stable performance whereas their dynamicsimulation predicts the effects of the variations
Fatemeh Khoshnam   +3 more
doaj  

Reduction Smelting Low Ferronickel from Pre-concentrated Nickel-Iron Ore of Nickel Laterite

open access: yesHigh Temperature Materials and Processes, 2016
The research of smelting low ferronickel from pre-concentrate nickel-iron ore with 2.76 % Ni and 38.00 % Fetotal was carried out to find an effective way for stainless steel enterprises to use the low-nickel laterite reasonable.
Zhu Deqing   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy