我国自研核用富集硼酸在“华龙一号”规模化应用

Core Insights - The successful delivery of domestically developed enriched boric acid to the Guangdong Lufeng Nuclear Power Unit 5 marks a significant breakthrough in the localization of key nuclear materials in China [1][5] - This achievement follows the small-scale demonstration applications at Yangjiang Nuclear Power Unit 3 and Fangchenggang Nuclear Power Unit 4 in November 2024, indicating progress in the supply chain for enriched boric acid [1][5] Industry Summary - Enriched boric acid, produced by isotope separation technology, increases the abundance of boron-10 from less than 20% in natural sources to over 96%, playing a crucial role in controlling the chain reaction in pressurized water reactor cores [4] - The production process of enriched boric acid is complex and has stringent quality standards, leading to a historical reliance on imports, which raised supply chain security concerns as nuclear power construction expanded [4] - Since 2022, the Suzhou Thermal Engineering Research Institute has led a project to develop domestic production of enriched boric acid, overcoming challenges such as high energy consumption and waste generation through innovative separation and recycling techniques [4] - The new production methods have improved isotope separation efficiency by over 20%, reduced impurity content by more than 50%, and achieved a product quality that meets international advanced standards [4] Company Summary - The large-scale delivery of enriched boric acid signifies China's capability to ensure stable supply, reliable quality, and reasonable pricing in the enriched boric acid industry, thereby strengthening the supply chain security for nuclear power development [5]