كنترل سلول فلوتاسيون ستوني آزمايشگاهي با استفاده از منطق فازي

Controlling Laboratory Column Flotation Cell Using Fuzzy Logic

Column flotation is one of the enrichment methods which have been developed in a great deal in recent years due to a higher performance and less operating costs. In this method which is based on the movement of hydrophobic particles upward in a tall column, the recovery is improved. Also wash water introduced at the top of the column which cleans the froth will increase the grade. Adopting improved control will cause a better outcome for this process. However, this is difficult to achieve due to the lack of high accuracy measuring devices as well as complyated mathematyal relationships among acting parameters of the cell and also unpredictable outcomes caused by interactions between different parts of the cell. In this artyle, fuzzy logic is used to control one of the parameters of the process, froth depth, and for instrumentation of a laboratory column cell. Using fuzzy logic as a controlling tool and wash water to clean the froth, recovery and grade were improved 23.39% and 43.28% respectively for a copper sulphide sample used in this study.