Freeport - Climax Molybdenum

Acid Plant Database July 6, 2015

Owner	Freeport-McMoRan Copper & Gold Inc. Phelps Dodge Climax Molybdenum Company
Location	P.O. Box 220 2598 Highway 61 South Fort Madison, Iowa USA 52627
Background	- Formerly - Amax, Inc. - Climax Molybdenum Company, A Cyprus Amax Company - Was a part of Phelps Dodge Corporation - 2007 Phelps Dodge acquired by Freeport-McMoRan
Website	www.fcx.com www.phelpsdodge.com
Plant	-
Coordinates*	40º 35' 7" N, 91º 25' 22" W
Type of Plant	Metallurgical
Gas Source	Mo - Roaster Sulphur Burner - Elemental Sulphur
Plant Capacity	390 MTPD
SA/DA	2/2 DA
Emissions	SO₂: < 500 ppmv Opacity: < 40%
Status	Operating
Year Built	1977
Technology	The Ralph M. Parsons Co.
Contractor	-
Remarks	The plant is a combination metallurgical and sulphur burning acid plant. The off-gas from the Molybdenum roasters typically only contain 1-2% SO₂. The gas strength is boosted to 5-6% by burning sulphur and combining the gas streams. 2009 - Original WESP's replaced with membrane units from Southern Environmental. 48600 ACFM, Outlet SO₃ = 32 ppmv (dry)
Permits	State of Iowa Department of Natural Resources www.iowadnr.gov Facility ID: 56-02-021
	Permit No.	Issue Date	Expiry Date	Date Modified
	03-TV-001-M002	January 2, 2003	January 1, 2008	-
	03-TV-001R1	October 28, 2008	October 27, 2013	-
	-	-	-	-
Pictures
General	-
References	Iowa Department of Natural Resources Permit No. 03-TV-001-M002 Iowa Department of Natural Resources Permit No. 03-TV-001R1
News	-

MTPD - Metric Tonne per Day           STPD - Short Ton per Day
MTPA - Metric Tonne per Annum      STPA - Short Ton per Annum
SA - Single Absorption
DA - Double Absorption

* Coordinates can be used to locate plant on Google Earth


Sulphuric Acid on the Web^TM	Technical Manual	DKL Engineering, Inc.