工业废水迎“新生”

Core Insights - The sodium chloride crystallization purity reached 98.58%, marking a record high since the company's production began, indicating significant improvements in operational efficiency and cost reduction [2] - The company has successfully transformed its wastewater management, with 90% of the 20,000 tons of daily wastewater being treated and reused, leading to an annual recovery of 22,000 tons of industrial salt and an additional revenue of nearly 10 million yuan [2] - The company faced significant challenges four years ago with high levels of wastewater, which pressured production operations due to non-compliance with discharge standards [2] Group 1: Technological Advancements - In 2021, the company initiated a zero discharge wastewater treatment project, supported by local government efforts in policy guidance and technical assistance [4] - The project utilizes advanced reverse osmosis technology to purify wastewater, allowing for the transformation of low-salinity wastewater and the recovery of valuable materials [5] - The company processes approximately 4 million tons of wastewater annually, with over 3 million tons being reused in production, significantly reducing chemical oxygen demand (COD) emissions by 1,189.5 tons and saving 9.32 million yuan in treatment costs [5] Group 2: Environmental and Economic Impact - The company has been recognized as a water-saving enterprise in Shandong Province and is considered a provincial "water efficiency leader" for its sustainable practices [5] - The local government has implemented comprehensive support for traditional enterprises like the company, facilitating their transition towards intelligent, green, and integrated development [4]