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New Acid Tower for Chile

August 8, 2016

An extensive upgrade of a sulphuric acid plant for a Chilean copper smelter included the supply of a new NORAM brick-lined final acid tower.

The 1,300 MTPD double-absorption plant treats off-gas from Teniente and Peirce Smith converters. The acid tower, capable of increased gas throughput and a lower pressure drop, allows treatment of up to 150,000 Nm3/h of metallurgical gases, to capture essentially all SO3 gas and to produce commercial H2SO4 of 98.5% purity. Environmental performance of the plant improved significantly, with a greater than 95% reduction of SO3 and acid mist emissions. NORAM provided basic design, detailed engineering, site services, fabrication advisory services, and start-up assistance. Specialised equipment, including some tower internals, and acid distributors, was custom manufactured in BC for shipment to site.

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NORAM Engineering and Constructors Ltd

Process Innovation and Scale-up Specialists in Vancouver, BC

Suite 1900 – 200 Granville Street

Vancouver, B.C.,  V6C 1S4 Canada

Hours: 8:00am – 5:00pm

Phone: +1 (604) 681-2030