Severn Trent De Nora has received a contract to provide its electrolytic disinfection treatment solutions for biofouling control and wastewater treatment to the China Offshore Oil Engineering Corporation for its Liwan 3-1 deep sea gas field project in the South China Sea, Seatrade Asia online reports. The Liwan 3-1 gas field is the first deep sea gas field in China and will begin production in 2013. Severn Trent De Nora will be supplying the Seaclor 23 kg/hr seawater electrochlorination system and the Omnipure Series 55 sewage treatment system, which is capable of treating up to 38,153 liters/day. Process water used on the rig requires disinfection treatment to alleviate biofouling concerns. In addition, a sewage treatment system is required to safely and effectively treat the black and gray water produced onboard.
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