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GE Technology Recycles Produced Water

A crude oil production site in Italy will use GE’s advanced evaporator and zero liquid discharge (ZLD) technology to recycle up to 98 percent of produced water.

Total E&P Italia has six wells in the Tempa Rossa oil field in Corleto Perticara. GE will provide the technology to engineering, procurement and construction contractor Maire Tecnimont, which is overseeing the development of the project for Total E&P Italia.

The project marks the first application of GE-produced water treatment in Europe.

The Tempa Rossa oil field needed an energy-efficient solution to treat the water and meet stringent discharge regulations, and GE’s technology was deemed the best technology for recycling water at this facility.

GE’s ZLD crystallizers will demineralize the produced water, which will be available for firefighting. The remaining brine will be concentrated into solid salt crystals for disposal.

Once fully operational in 2016, Total E&P Italia’s six wells in Tempa Rossa will have a daily production capacity of approximately 50,000 barrels of crude oil, 230,000 m³ of natural gas, 240 tons of liquefied petroleum gas and 80 tons of sulfur.

GE will provide two identical produced water treatment units including de-oiling, forced circulation brine concentration, evaporation and crystallization for ZLD. The process uses GE’s multiple-effect steam-driven units for concentration and crystallization. Vapors generated during the evaporation process are condensed in GE energy air condensers and air coolers to meet the required temperature for demineralized water production and firefighting reuse.

The technology will treat up to 52 m3/h of feed water per line and will be able to recover up to 98 percent of produced water as distillate and solids. The delivery is expected to be completed by the first quarter of 2015 with installation by the third quarter of 2015.

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