This project, an essential safeguard one, aims to recycle industrial sewage and boost the zero-carbon industrial chain's quality construction and development. It's a domestic leading sewage zero-discharge project in PV wastewater treatment, featuring the largest investment, highest recycled water standard, and greatest salt separation. The Concentrated Water Evaporation-Crystallization Project of Mengsu Economic Dev. Zone's Water Recycle Plant, built by Jingyu Environment, has a 100,000-ton-per-day design scale. Via pretreatment, membrane concentration & salt separation, freeze crystallization, and evaporation crystallization, the effluent meets cooling and washing water standards, is recycled in the park, and yields NaCl and Na₂SO₄ salts. It's highly significant for comprehensively advancing the Yellow River Basin's ecological protection and quality development in Inner Mongolia and fortifying the ecological security barrier in the north.