SHORT REVIEW OF INVESTIGATIONS ON THE TREATMENT OF OIL SHALE INDUSTRY WASTEWATERS IN 1960-1990
R. RAHE
RAS Kiviter
Kohtla-Järve, Estonia
| This paper summarizes the results of research on the purification of oil shale industry wastewaters ordered by the then Oil Shale Processing Association in Kohtla-Järve and carried out by several research institutes during thirty years. |