In the according with very intensive application of lubricant, the very large amounts of used lubricants which are harmful to the environment and human health are produced. In the European Union countries, the problem of used lubricants are permanently solved and many directives about this problem is setted (in the starting EEC Directive 75/439 and...

By Zoran Petrović, Goran Tadić, Pero Dugić, Vojislav Aleksić, Tatjana Botić, Mirko Petković