Results 131 to 140 of about 20,439 (294)

Envirobmentally safe method to process polyelemental fluorite ore

open access: yesМінеральні ресурси України
This study is devoted to processing of polyelemental fluorite ore of the Suschano-Perzhan zone of the Ukrainian Schield. The analysis of current trends in the involvement of rare earths metals in the processing of polyelemental ores.
T. A. Oliinyk
doaj   +1 more source

Selective emulsion liquid membrane extraction of silver from photographic waste industries [PDF]

open access: yes, 2006
The field of liquid membrane technology is currently undergoing a rapid expansion in research as well as its application as an industrial separation process.
Ali, Noorhalieza   +2 more
core  

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  

A novel hydrometallurgy of molybdenite concentrate and its kinetics [PDF]

open access: bronze, 2012
Zhanfang Cao   +5 more
openalex   +1 more source

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  

Obtaining Usable Products by Processing Converter Flue Dust from Copper Production

open access: yesEngineering Proceedings
Copper converter flue dust (CFD) is one of the solid wastes generated during the pyrometallurgical production of secondary copper. Due to its fine-grained character and its content of toxic heavy metals, CFD is classified as hazardous waste. CFD contains
Alexandra Kollova   +4 more
doaj   +1 more source

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  

Advances in Understanding of Unit Operations in Non-Ferrous Extractive Metallurgy in 2023

open access: yesMetals
Metallic materials play a vital role in the economic life of modern societies; hence, research contributions are sought on fresh developments that enhance our understanding of the fundamental aspects of the relationships between processing, properties ...
Srecko Stopic, Bernd Friedrich
doaj   +1 more source

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