Can the zero-discharge technology for evaporating desalinated wastewater be used to treat wastewater in water-coal slurry or dry coal powder gasification technologies?
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Can the zero-discharge technology for evaporating desalinated wastewater be used to treat wastewater in water-coal slurry or dry coal powder gasification technologies? How much does it cost to treat wastewater, per ton?
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High-salt wastewater generated by water-coal slurry or dry coal powder gasification technologies can both be treated using evaporation-based wastewater desalination and zero-discharge technologies. The cost of treating wastewater is approximately 25–45 yuan per ton, with the cost depending on the quality of the high-salinity water, the pre-treatment technologies used, and steam.
The wastewater generated by water-coal slurry gasification technology varies in composition depending on the properties of the raw coal. It is essentially wastewater with high ammonia nitrogen, a low C/N ratio, and containing **. With evaporation technology, subsequent absorption is required; otherwise, it will cause secondary pollution.
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Three-effect evaporation is used for wastewater desalination by evaporation; its energy consumption is about 1/3 of that of single-effect evaporation. To treat 1 ton of wastewater, approximately 400 kg of steam is required, along with around 30 kWh of electricity, resulting in total costs of about 100 yuan. Specializing in the production of evaporators www.wxhdzb.com