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Kinetics of chalcopyrite leaching by sodium nitrate in sulphuric acid
(Elsevier Science Bv, Amsterdam, 2009)
Hydrometallurgical processes offer a great potential for treating chalcopyrite ores and concentrates, and it results in increased metal recoveries and reduced air pollution hazards. In recent years interest for application ...
Surfactant modified zeolites - new efficient adsorbents for mycotoxins
(Elsevier, Amsterdam, 2003)
The in vitro mycotoxins adsorption by natural clinoptilolite-heulandite rich tuff modified with different amounts of octadecyldimethyl benzyl ammonium chloride (Do) and dioctadecyldimethyl ammonium chloride (Pr) was ...