GE water recycling technology helps coal plant meet Chinese regulations

GE’s zero liquid discharge (ZLD) technology is to benefit the Jingneng Zhuozhou coal-fired power plant, helping it to meet new Chinese governmental regulations on emissions and discharge.

The company’s ZLD technology will treat flue gas desulfurization (FGD) wastewater at the coal power plant near Beijing and enable the reuse of 99 per cent of the FGD blowdown wastewater at the facility. The power plant’s wastewater will be recycled and used as makeup water.
Zero liquid discharge technology
China is facing long-term water scarcity and environmental challenges leading the government to impose tightened emissions and discharge limitations, and all new thermal power plants are required to achieve ZLD of FGD wastewater as a condition of environmental impact assessment approvals.

GE will provide its membrane and brine concentration technologies followed by crystallization to produce pure NaCl salt (sodium chloride).

The project is part of a plan for Hebei Zhuozhou Jingyuan Thermal Power Plant to relocate high-pollution plants out of Beijing’s urban areas.

The new Jingneng Zhuozhou Power Plant will replace the existing Shijingshan Power Plant, which had already been decommissioned in March 2015. The new plant, which is expected to enter commercial operation in May 2017, will be a demonstration ZLD power plant for the country.

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