Author:Erasmus, TC; Du Plessis, HSLDate:1963The objective of the report was to ascertain the order of the residence time distribution within the Drewboy washer.Read more
Author:Erasmus, TCDate:1962The raw coal brought to the plant was reduced to minus three inches. The minus coal was passed over screens to eliminate minus 1/4 inch fines and -3 inch +1/4 inch coal was stored in service bunkers in the pilot plant building.Read more
Author:Erasmus, TCDate:1964These experiments were designed to assess the influence of near gravity material on the performance of the Drewboy washer.Read more
Author:Van Doornum, GAW; Petrick, ATDate:1961Experimental work on a pilot plant Drewboy washer having a nominal feed capacity of 20 t.p.h is discussed in this report.Read more
Author:Van der Walt, PJDate:1958This paper presents a technical memorandum on tests carried out on the drewboy washer during the period February to August 1958.Read more
Author:Erasmus, TC; Du Plessis, HSLDate:1963The object of this test was to ascertain whether there exists variation in the specific gravity with special position within the bath of the Drewboy dense medium washer.Read more