Essays about: "laklösning"
Found 3 essays containing the word laklösning.
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1. Separation of Cobalt and Nickel using CYANEX 272 for Solvent Extraction
University essay from KTH/KemiteknikAbstract : This project aimed to examine the separation of cobalt and nickel using solvent extraction (SX) with the extractant CYANEX 272 (C272). It was intended to investigate the Co-Ni separation in a sulphate-based leach solution in presence of other contaminants. READ MORE
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2. Leaching of Pyrrhotite from Nickel Concentrate
University essay from Luleå tekniska universitet/Industriell miljö- och processteknikAbstract : Non-oxidative acid leaching of pyrrhotite from Kevitsa’s Ni-concentrate and methods to recover by-products, have been investigated. Selective dissolution of pyrrhotite (Fe1-xS, 0<x<0.25) can enrich the content of the valuable metals, such as Ni and Co, in the final concentrate and will reduce the amount of Fe and S sent to the smelters. READ MORE
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3. Recovery of valuable metals from spent HEV NiMH battery leach solutions
University essay from KTH/Skolan för kemivetenskap (CHE)Abstract : As the demand on resources is increasing worldwide, the process of recycling material has become more important. The specific recycling of metals used in car batteries, and more specifically in the large batteries used in hybrid electric vehicles, is a rising concern where the industrially implemented recycling processes concerning these batteries that exist today are often highly pollutant and energy consuming. READ MORE