Recovery of vanadium from spent catalysts of sulfuric acid plant by using inorganic and organic acids: laboratory and semi-pilot tests
Catalysts are used extensively in industry to purify and upgrade various feeds and to
improve process efficiency. These catalysts lose their activity with time. Spent catalysts from …
improve process efficiency. These catalysts lose their activity with time. Spent catalysts from …
Potential use of pyrite cinders as raw material in cement production: results of industrial scale trial operations
Pyrite cinders, which are the waste products of sulphuric acid manufacturing plants, contain
hazardous heavy metals with potential environmental risks for disposal. In this study, the …
hazardous heavy metals with potential environmental risks for disposal. In this study, the …
Off-design simulation and mathematical modeling of small-scale CHP plants at part loads
T Savola, I Keppo - Applied thermal engineering, 2005 - Elsevier
In this work a mathematical model of combined heat and power (CHP) plants at part loads
was developed on the basis of off-design simulations of four existing small-scale (1 …
was developed on the basis of off-design simulations of four existing small-scale (1 …
Metal extraction from spent sulfuric acid catalyst through alkaline and acidic leaching
A Ognyanova, AT Ozturk, I De Michelis, F Ferella… - Hydrometallurgy, 2009 - Elsevier
Spent catalyst from manufacture of sulfuric acid production (main elemental composition:
3.5% V, 0.63% Ni, 7.9% Fe and 9.64% Si) can be used as a secondary source of vanadium …
3.5% V, 0.63% Ni, 7.9% Fe and 9.64% Si) can be used as a secondary source of vanadium …
Novel simulations for energy management of mine cooling systems
P Maré - 2017 - repository.nwu.ac.za
The South African mining industry purchased 13.8% of the electricity supplied by Eskom in
2015. Deep-level mines are some of the largest electricity consumers in the mineral …
2015. Deep-level mines are some of the largest electricity consumers in the mineral …
Estimates of electricity saving potential in Chinese nonferrous metals industry
B Lin, G Zhang - Energy Policy, 2013 - Elsevier
The paper analyzes the electricity saving potential of nonferrous metals industry in China.
The cointegration method is applied to estimate electricity intensity of Chinese nonferrous …
The cointegration method is applied to estimate electricity intensity of Chinese nonferrous …
Process optimization and reaction mechanism of removing copper from an Fe-rich pyrite cinder using chlorination roasting
J Liu, S Wen, Y Chen, D Liu, S Bai, D Wu - Journal of Iron and Steel …, 2013 - Springer
The aim is to remove copper from a pyrite cinder by optimzing the chlorination roasting
process using response surface methodology (RSM) and the reaction mechanism of …
process using response surface methodology (RSM) and the reaction mechanism of …
Preparation and characterization of poly-silicic-cation coagulant from industrial wastes
R Li, C He, Y He - Desalination, 2013 - Elsevier
A simple and low-cost method was developed to prepare poly-silicic-cation coagulant
(PSiC) from industrial wastes. The structure and morphology of the coagulants with different …
(PSiC) from industrial wastes. The structure and morphology of the coagulants with different …
A novel bioreactor system for simultaneous mutli-metal leaching from industrial pyrite ash: Effect of agitation and sulphur dosage
Simultaneous multi-metal leaching from industrial pyrite ash is reported for the first time
using a novel bioreactor system that allows natural diffusion of atmospheric O 2 and CO 2 …
using a novel bioreactor system that allows natural diffusion of atmospheric O 2 and CO 2 …
Copper and cobalt recovery from pyrite ashes of a sulphuric acid plant
The pyrite ashes formed as waste material during the calcination of concentrated pyrite ore
used for producing sulphuric acid not only has a high iron content but also contains …
used for producing sulphuric acid not only has a high iron content but also contains …