FORT WASHINGTON, Pa. – The Type-Approved BALPURE® ballast water treatment system from Severn Trent De Nora was selected for use on two new 115,000-dwt crude oil tankers being constructed for SeaRiver Maritime Inc. by Aker Philadelphia Shipyard. The crude oil tankers will be trading regularly in the Pacific Ocean on the United States' West Coast and Alaskan waters.
BALPURE features proven technology, ease of installation and operation, minimal maintenance and low operating costs. The two sets of BP 3000 systems will be installed as sub-assemblies, capable of treating ballast water flow rates of up to 3,230 m3/h. A 40-micron filter with IECEx explosion proof rated control system will be installed in the main ballast line in the pump room. The first installation is scheduled for December 2012, with the second installation to be completed by July 2013.
"It is crucial for shipping operators that the ballast water treatment systems they select are robust, cost-effective and have all the necessary approvals for international trading," said Jim McGillivray, BALPURE general manager for Severn Trent De Nora. "Severn Trent De Nora has made a formal submittal to the U.S. Coast Guard (USCG) for the designation of BALPURE as an Alternate Management System (AMS). With the acceptance of BALPURE as an AMS, the Type-Approved ballast water treatment system will be accepted for use on board vessels trading in U.S. waters, like the SeaRiver tankers, that need to comply with the USCG Final Rule."
Eighteen BALPURE systems have been installed / sold to international shipowners operating various vessel types such as LNG carriers, VLCCs, bulk carriers, pipelay vessels and more. The systems, which utilize electrolytic disinfection technology, are an advantageous and economical ballast water treatment approach on board crude oil tankers. BALPURE's slip stream treatment approach, where approximately one percent of the total ballast water flow is used to generate the hypochlorite disinfection solution, enables remote mounting away from the main ballast line. The slip stream treatment approach, coupled with a design that requires treatment only during the uptake of the ballasting cycle, offers significantly reduced power requirements when compared to competing technologies – ensuring low operational costs. BALPURE offers a virtually maintenance-free approach to ballast water treatment through the use of proprietary self-cleaning electrodes that eliminate the need for time-consuming chemical and mechanical maintenance.
About Severn Trent De Nora, LLC
For over 35 years, Severn Trent De Nora, LLC (www.severntrentdenora.com) has been designing, manufacturing and offering innovative electrolytic disinfection treatment solutions to the marine and offshore markets. With a proven history and a track record of delivering economical disinfection solutions in the marine and offshore markets, Severn Trent De Nora sets a new standard in ballast water treatment with the Type-Approved BALPURE® system. Severn Trent De Nora is a joint venture between Severn Trent Services and Gruppo De Nora. Severn Trent Services is a business of Severn Trent PLC (www.severntrent.com), a leading FTSE100 company.
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