Investigation of the washability characteristics of Eskişehir- Mihaliççik lignite

In this study, the washability characteristics of Eskişehir- Mihaliççik lignite was investigated. Experimental studies were performed with the lignite samples taken form underground lignite fields and surface lignite field in Eskişehir-Mihaliççik, Turkey. Firstly, float-sink tests were made on -50+20 mm, -20+4.75 mm ve -4.75+0.5 mm size fractions. After, evaluation of the washability properties was made by using "Washability number" and "Near gravity material index" and the obtained results were presented.