ABSTRACT
Heyl and Patterson Cyclo-cell. The Heyl and Patterson cyclo-cell can
be placed in an open tank or chamber of any size needed. Low-pressure
C. Flotation Reagents
Of the 2.7 million lb of frothers used in the United States in 1975
Collector. High-rank bituminous coals are normally floatable without
less than ~ to 3 or more lb/ton of feed; the average addition level is about l lb/ton [8]. In 1975, about 1/3 of the bituminous and
5.3 PYRITIC SULFUR REMOVAL
from ash-and sulfur-bearing impurities is not satisfactory; that is,
a clean coal concentrate with a high-ash and/or high-sulfur content
coal product.
