Search Results - "Aracena, Alvaro"
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Toluene Oxidation by Hydrogen Peroxide in Deep Eutectic Solvents
Published in ChemCatChem (17-08-2015)“…The catalytic effect of several deep eutectic solvents (DESs) on biphasic toluene oxidation by hydrogen peroxide to produce benzaldehyde was studied under…”
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Study of the Reaction Mechanisms during the Thermal Decomposition of Arsenic Sulfide (V) at High Temperatures under Non-Isothermal Conditions
Published in Minerals (Basel) (01-11-2022)“…The reaction mechanisms during thermal decomposition in As-S systems are complex to describe due to the physicochemical characteristics of arsenic and its…”
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Behavior of As/AsxSy in Neutral and Oxidizing Atmospheres at High Temperatures—An Overview
Published in Metals (Basel ) (01-03-2022)“…The reaction mechanisms in As and As-S systems during their oxidation and/or thermal decomposition are complex to describe due to the physicochemical…”
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Copper Sulfation from Enargite Roasting Using Coal and Fayalite Slag Mixture
Published in Minerals (Basel) (01-12-2023)“…In this work, the roasting of an enargite mix was carried out in oxidative conditions. The temperature range of the study was 773–973 K. The mixture had a…”
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5
An Overview of the Behavior of Concentrates with Arsenic, Antimony, and Bismuth under Roasting Conditions
Published in Minerals (Basel) (01-07-2023)“…It is well-known that the mining industry in Chile and the world is searching for eco-friendly, highly efficient mineral treatments. This is because the…”
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Ammoniacal System Mechanisms for Leaching Copper from Converter Slag
Published in Metals (Basel ) (01-06-2020)“…In pyrometallurgical processes refining copper, the main source of loss in the conversion stage is from slag. This paper reports on research work treating…”
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Mechanism and Kinetics of Malachite Dissolution in an NH4OH System
Published in Metals (Basel ) (01-06-2020)“…Copper oxide minerals composed of carbonates consume high quantities of leaching reagent. The present research proposes an alternative procedure for malachite…”
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8
Reaction Mechanism and Kinetics of Enargite Oxidation at Roasting Temperatures
Published in Metallurgical and materials transactions. B, Process metallurgy and materials processing science (01-10-2012)“…Roasting of enargite (Cu 3 AsS 4 ) in the temperature range of 648 K to 898 K (375 °C to 625 °C) in atmospheres containing variable amounts of oxygen has been…”
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Bipolar Packed-bed Electrochemical Reactor for the Degradation of Diclofenac; a Bio-refractory Organic Compound
Published in Periodica polytechnica. Chemical engineering. (01-01-2018)“…Pharmaceuticals have low biodegradability and can retain their chemical structure for long periods of time leading to an accumulation in the environment…”
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10
Elución de iones de níquel desde esferas de alginato en un medio ácido
Published in Revista de metalurgia (Madrid) (30-03-2016)“…Se estudió la elución de iones de níquel desde esferas de alginato en un intervalo de temperaturas de 2 a 80 °C y una concentración de ácido sulfúrico entre…”
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11
Electrokinetic remediation of manganese and zinc in copper mine tailings
Published in Journal of hazardous materials (05-03-2019)“…•Electrokinetic remediation was performed with a constant voltage.•Maximum mass removal for manganese and zinc was 31.88% and 17.95%, respectively.•Effect of…”
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12
Modeling and multivariable analysis of a flotation column system
Published in 2018 IEEE International Conference on Automation/XXIII Congress of the Chilean Association of Automatic Control (ICA-ACCA) (01-10-2018)“…A column flotation cell is an industrial process used to recover mineral species of interest from the pulp of ore. The adoption of these cells by the mining…”
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