"Use of ultrasound to increase filtration rate. "; "Fairbanks, Harold Vincent, 1915-"; "Coal preparation--Filtration."; "Fairbanks, Harold Vincent, 1915-"; "1973"; "Serial issue. Issued as: West Virginia University. Coal Research Bureau. Technical report, 102. \"Presented at the International Ultrasonics Conference, March 27, 1973, London, England.\""; ""; "P3867"; "pec"; "Coal preparation--Filtration."; "14256"; .