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China Instrument Network Instrument Development Recently, the project team of “Key Technology Development and Industrialization of Ultra-Low Emission Monitoring Instruments for Coal-Contaminating Pollutants†has made significant breakthroughs by developing a series of advanced monitoring instruments. These devices have been successfully deployed in coal-fired power plants across China, addressing a long-standing domestic gap and breaking foreign technological and market monopolies.
As coal remains a fundamental energy source in China, the development of ultra-low emission monitoring systems is crucial for achieving clean coal utilization and ensuring national energy security. The Ministry of Industry and Information Technology has emphasized the importance of this technology in its recent policy documents, highlighting the need to promote ultra-low emission technologies in coal-fired power plants as well as in non-electrical industries such as steel, coking, non-ferrous metals, construction materials, and chemicals. This includes the demonstration of synergistic control and VOC control technologies in key regions.
However, for many years, the technology behind these monitoring systems was dominated by foreign companies, limiting China's independence in this critical area. The project team, however, has overcome these challenges through continuous research and innovation, ultimately developing a range of high-performance monitoring instruments that fill the domestic gap.
Initially, the instruments developed by the team had a short operational lifespan—only about two weeks—due to stability issues. To address this, the entire team conducted extensive research, performing numerous laboratory tests, field trials, and reviewing existing literature. Eventually, they identified the root cause and resolved the issue using patented technology.
In addition, to quickly turn their research into practical applications, the team conducted comparative testing between their own instruments and imported ones in a coal-fired power plant. After three months of continuous online monitoring, the results showed that the performance of the project-developed equipment significantly exceeded international standards, pushing forward the advancement of ultraviolet spectroscopy technology for ultra-low concentration pollutant monitoring in China.
Today, more than 300 ultra-low concentration monitoring instruments from the project have been deployed in nearly 100 coal-fired power plants. This is equivalent to equipping these plants with "super-low-emission" capabilities. With remote data transmission, the technical team can now better manage and optimize the efficient and stable operation of ultra-low emission systems.
(Source: Science and Technology Daily, Zhejiang Online, Ministry of Industry and Information Technology)