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Assisting in Creating a Zero-Waste Steel Plant! CIEE Signs EPC Contract for Jingang Solid Waste Treatment Project

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Assisting in Creating a Zero-Waste Steel Plant! CIEE Signs EPC Contract for Jingang Solid Waste Treatment Project

2024/05/17

On May 15, CIEE, a subsidiary of CIE, signed an EPC Contract with Shanxi Jingang Intelligent Manufacturing Technology Industry Co., Ltd. (hereinafter referred to as "Shanxi Jingang") for the solid waste treatment project aimed at iron extraction and zinc reduction.

 

 

The project involves the construction of a new production line with an annual capacity of processing 150,000 tons of dust, including more than 10,000 t/a of water washing for dust removal at the sintering machine head. The project will apply CIE's independently developed technologies, such as water washing desalination (wet process) and pyrometallurgical rotary kiln disposal, to comprehensively treat raw materials like sintering machine head dust, blast furnace dry dust, and steelmaking dust. This process will produce high-value raw materials for steel and non-ferrous metallurgy, including iron-rich kiln slag and secondary zinc oxide, achieving high-value utilization of difficult-to-treat dust from steel plants and fundamentally solving the issue of "solid waste not leaving the plant."

  

The wet process employs high-efficiency water washing & slurry technology, ensuring effective washing while reducing investment and operating costs. The pyrometallurgical process uses a new type of rotary kiln disposal technology characterized by "low carbon, stability, synergy, intelligence, and environmental protection." This technology will be further optimized based on CIEE's successful experience in similar projects, focusing on reducing the ring formation rate in rotary kiln, increasing the metallization rate of iron-rich kiln slag, improving zinc removal efficiency, and enhancing the grade of secondary zinc oxide.

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