Core Viewpoint - Jiangsu Yangnong Chemical Group's clean production technology for the catalytic synthesis of pyridine heterocyclic products has been recognized in the first batch of advanced applicable technologies by the Ministry of Industry and Information Technology of China [1] Group 1: Technology Development - The traditional production process of pyridine heterocycles is costly and generates significant by-products, posing safety and environmental risks [1] - Yangnong Group pioneered the morpholine aldehyde method in the late 1990s and has since developed a microchannel continuous flow catalytic synthesis technology, enhancing the green production process of these products [1][4] - The new microchannel technology significantly reduces reaction time to one-thousandth of the original process and lowers energy consumption by 95% [2] Group 2: Process Improvement - The synthesis of pyridine ketone, a crucial intermediate, was improved by simplifying the complex and energy-intensive original process, resulting in a 10% reduction in saline wastewater generation [2] - The research team utilized efficient additives to enhance the yield and purity of pyridine ketone, thereby improving the overall cleanliness of the production process [2] Group 3: Pollution Reduction - Yangnong Group addressed the issue of phosphorus-containing wastewater from traditional chlorination processes by developing a clean chlorination technology that eliminates the generation of such waste [3] - The chlorination team conducted extensive experiments to identify alternative reagents, leading to the successful implementation of a clean chlorination-catalytic coupling technology [3] Group 4: Achievements and Recognition - After over 20 years of continuous innovation, Yangnong Group successfully established a low-energy, high-efficiency, and high-safety production process for pyridine heterocycles [4] - The project utilizing the microchannel continuous flow green technology successfully produced high-quality pyridine heterocycles, receiving widespread recognition and contributing to the transformation of the pesticide industry [4] - The technology has been recognized as internationally advanced and has been included in various green process directories, with projected sales revenue of nearly 900 million yuan and profits of approximately 40 million yuan for the 2023-2024 period [4]