Analysis of the Reduction Process of Desulfurization Wastewater Evaporation Condensation Concentration(ECS)in a Power Plant
The bypass flue evaporation system for desulfurization wastewater of a power plant was im-proved to utilize a low-cost mixed heat source for preconcentration treatment and matched with the flue evaporation technology to reduce the investment scale of flue evaporation.Partial reuse of desul-furization wastewater was achieved,and the test results showed that under the condition of meeting the quality of evaporation concentration feed water,the concentration of desulfurization wastewater was 3-3.75 t/h,the quality of treated produced water was TDS＜200 mg/L,the investment of tons of water for evaporation concentration was ≤1 million yuan,and the operating cost of tons of water for evaporation concentration was ≤85 yuan,which laid the foundation for the long term stable and low-cost operation of the zero-discharge process.
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