高端化学品及集成电路用电子化学品制造关键技术通过鉴定

Core Insights - The project on "Key Technologies for Manufacturing High-end Chemicals and Electronic Chemicals for Integrated Circuits" has been recognized for its technological achievements and is considered a typical case of deep integration between technological and industrial innovation [1][4] Group 1: Technological Innovations - The project established a mathematical model for gas-liquid two-phase flow in distillation columns, leading to a separation efficiency increase of 37.5% to 50% for packing and 75% to 85% for trays [3] - A novel reaction impurity removal technology was developed, achieving a product purity of 99.9999999% (9N level) for silicon tetrachloride [3] - The project introduced a continuous multi-stage reverse flow crystallization technology, achieving product purity of ≥99.999% for separating dichlorobenzene and ortho-dichlorobenzene [3] - The project has also developed a dual-carrier adsorption system that, when coupled with distillation and other separation technologies, produced silicon tetrachloride with a purity of 99.999999% (8N level) [3] Group 2: Economic and Environmental Impact - Over the past three years, the technology has saved 1.16 million tons of steam and 47.763 million kilowatt-hours of electricity, equivalent to a reduction of 51.8 million tons of CO2 emissions [6] - The application of this technology in Inner Mongolia has significantly reduced the environmental pollutants from 0.04%-0.06% to below 150 ppm, surpassing international technical standards [6] - The project has produced over a hundred products, yielding significant economic, social, and environmental benefits [4] Group 3: Future Prospects - The project team aims to deepen innovations in intelligence and sustainability, focusing on dynamic optimization of distillation processes and energy cascade utilization [6] - The technology is expected to generate over 40 billion yuan in new output value and create 10,000 jobs in the next five years, enhancing the self-sufficiency rate of high-end chemicals in China [6] - The project plans to promote international standards and high-quality cooperation along the Belt and Road Initiative, with an anticipated annual service revenue of over 1 billion yuan from technology exports by 2030 [6]