Russian power plant saves 1.3M gallons of water annually with corrosion inhibitor technology

July 17, 2015
TEC VAZ VoTGK, a gas-fired power plant in the Samara area of the Volga region of Russia, has saved 1.3 million gallons of water annually and reduced water consumption enough to save $120,000 per year by using GE's AZ8101 corrosion inhibitor technology.

TREVOSE, PA, July 17, 2015 -- TEC VAZ VoTGK, a gas-fired power plant in the Samara area of the Volga region of Russia, has saved 1.3 million gallons of water annually and reduced water consumption enough to save $120,000 per year by using GE's AZ8101 corrosion inhibitor technology. The facility also decreased the rate of copper corrosion by 20 times and reduced the amount of copper being discharged into the Volga River by four times.

In honor of its notable reductions in water usage and decreased corrosion, GE awarded TEC VAZ VoTGK an Ecomaginaton award, which recognizes the achievements of industrial users for striking a positive balance between today's environmental, industrial and sustainability challenges. It is given to the top GE customers in environmental and economic performance.

The TEC VAZ VoTGK plant provides power, heating and hot water to the Volga automotive plant and a nearby city. The power plant consists of 14 boilers and 11 turbines and surface condensers made from admiralty brass, and two open evaporative cooling systems provide the cooling to the steam condensers and auxiliary equipment. The makeup water for both cooling systems is raw water taken directly from the Volga River, and blowdown from the cooling systems is discharged back to the river.

Previously, the cooling systems were untreated, which resulted in high copper corrosion rates, and the plant operated the cooling systems at low cycles of concentration to reduce the discharge penalty caused by the high copper concentrations within the effluent. To reduce the copper corrosion rates, GE's inhibitor was added to the systems along with implementation of a monitoring program to gauge the effectiveness of the cooling water treatment upgrade. The new monitoring program included copper corrosion monitoring with the use of pre-weighed admiralty brass corrosion coupons, copper analysis within the recirculating water and residual azole monitoring.

See also:

"GE announces opening of Alberta's first mobile water service center"

"GE white paper highlights water reuse, recycling options for water-scarce regions"


About GE Power & Water


GE Power & Water provides customers with a broad array of power generation, energy delivery and water process technologies to solve their challenges locally. Power & Water works in all areas of the energy industry including renewable resources such as wind and solar; biogas and alternative fuels; and coal, oil, natural gas and nuclear energy. The business also develops advanced technologies to help solve the world's most complex challenges related to water availability and quality. For more information, visit www.gepower.com.

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