Peterson Filters Corporation builds a complete line of disc filters ranging from laboratory size units of 1.5 feet in diameter up to full size production units 12'-6" in diameter with 15 discs. Peterson "coal Type" disc filter designs are used on fine clean coal and coal refuse slurries and have become an industry standard in the United States.
Peterson Filters Corporation provides a similar line of equipment designed specifically for filtering concentrates and tailing slurries found in metallurgical mining applications.