Results 111 to 120 of about 16,195 (202)

Selective Recovery of Zinc from Alkaline Batteries via a Basic Leaching Process and the Use of a Machine Learning-Based Digital Twin for Predictive Purposes

open access: yesEnergies
Recycling the metals found in spent batteries offers both environmental and economic benefits, especially when extracted and purified using environmentally friendly processes. Two basic leaching agents were tested and compared: ammonium hydroxide (NH4OH)
Noelia Muñoz García   +4 more
doaj   +1 more source

Model based methodology development for energy recovery in ash heat exchange systems [PDF]

open access: yes, 2010
Flash tank evaporation combined with a condensing heat exchanger can be used when heat exchange is required between two streams and where at least one of these streams is difficult to handle (in terms of solid particles content, viscosity, pH ...
Korobeinikov, A.   +7 more
core  

Hydrometallurgy of the delta sulfide ores, first stage report [PDF]

open access: yes, 1986
This report presents the results of hydrometallurgical research carried out from September 16, 1985 to June 30, 1986 on metals recovery from complex sulfide ores from the Delta deposit near Tok, Alaska.
Chous, Kuo-tung, Letwoski, F., Rao, P.D.
core  

Integration of physical operations in the hydrometallurgical processing of spent Zn-MnO2 batteries [PDF]

open access: yes, 2009
The recycling of spent Zn-MnO2 batteries by hydrometallurgy involves the leaching of material previously treated by physical processing to allow the liberation of electrode particles and the separation of unwanted scrap. The integration of these physical
Cabral, Marta   +4 more
core  

Sorption Mechanism of Lead Ions From Aqueous Solution By Imperata Cylindrica Dried Leaf Particle: Effect of Temperatures [PDF]

open access: yes, 2012
This study was conducted to investigate the sorption mechanism of Pb2+ ions from aqueous solution onto Imperata cylindrica (IC) dried leaf particles. The effect of temperatures (30, 35 and 40oC) was scrutinised from a batch adsorption system using a ...
Kumoro, A.C.
core  

Lindy Effect in Hydrometallurgy. [PDF]

open access: yesJ Sustain Metall
Binnemans K, Jones PT.
europepmc   +1 more source

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