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Re-refining of waste mineral insulating oil by extraction with N-methyl-2-pyrrolidone
(Elsevier Science Bv, Amsterdam, 2006)
Extraction with N-methyl-2-pyrrolidone (NMP) via the three-stage mixer-settler operation was studied as possible process for re-refining of waste mineral insulating oil. The following extraction process parameters were ...
Investigation of thermodynamic properties and phase equilibria in Ag-In-Sn system / Ispitivanje termodinamičkih veličina i faznih ravnoteža u sistemu Ag-In-Sn
(Savez inženjera i tehničara Srbije, Beograd, 2006)
Lead - free soldering became very popular in the whole world, because of high ecological demands in industry. Most of alternative alloys have high content of tin, and some of them are already used in electronic industry. ...