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]

Core Points - The China General Nuclear Power Group's Suzhou Thermal Engineering Institute has successfully delivered domestically developed enriched boric acid to the Guangdong Lufeng Nuclear Power Unit 5, marking a significant step in achieving a self-controlled supply chain for this critical nuclear material [1] - Enriched boric acid, which is essential for the safe operation of nuclear power plants, has previously been reliant on imports due to complex production processes and stringent quality standards [1] - The successful delivery of enriched boric acid indicates China's capability to ensure stable supply, reliable quality, and reasonable pricing in the enriched boric acid sector, thereby enhancing supply chain security for the country's nuclear power development [1] Industry Summary - The enriched boric acid is produced by increasing the abundance of boron-10 from less than 20% in natural sources to over 96% through isotope separation technology [1] - The Suzhou Thermal Engineering Institute initiated the domestic research and development project for enriched boric acid in 2022, collaborating with various domestic chemical enterprises to innovate processes and facilitate industrial transformation [1] - The research team overcame challenges related to traditional production methods, achieving over a 20% increase in isotope separation efficiency and reducing impurity content by more than 50%, with product quality reaching international advanced levels [1]

Core Viewpoint - The successful delivery of domestically produced enriched boric acid for nuclear use marks a significant advancement in China's nuclear supply chain, ensuring self-sufficiency and reliability in critical nuclear materials [1] Group 1: Product Development - The enriched boric acid, developed by Suzhou Institute of Thermal Engineering under China General Nuclear Power Group, has been officially delivered to the Guangdong Lufeng Nuclear Power Unit 5 [1] - This delivery follows a small-scale demonstration application in the Yangjiang Nuclear Power Unit 3 and Fangchenggang Nuclear Power Unit 4, indicating a progression towards large-scale supply for the new "Hualong One" reactor [1] Group 2: Technical Significance - Enriched boric acid, which increases the abundance of boron-10 from less than 20% in natural sources to over 96%, plays a crucial role in nuclear reactors by absorbing neutrons and stabilizing the nuclear chain reaction [1] - The production of enriched boric acid is complex and has stringent quality standards, which previously led to reliance on imports [1] Group 3: Industry Impact - The large-scale delivery of domestically produced enriched boric acid signifies China's capability to ensure stable supply, reliable quality, and reasonable pricing in the enriched boric acid sector [1] - This development strengthens the supply chain security for China's nuclear power industry, particularly in the critical area of nuclear materials [1]

Core Insights - The successful delivery of domestically produced enriched boric acid for nuclear use marks a significant breakthrough in China's nuclear supply chain, ensuring self-sufficiency in critical nuclear materials [1][2] - Enriched boric acid, essential for nuclear safety, has been developed to enhance neutron absorption in pressurized water reactor cores, addressing supply chain security concerns due to previous reliance on imports [1][2] Group 1: Development and Innovation - The project for the domestic production of enriched boric acid was initiated in 2022 by Suzhou Institute of Thermal Power, collaborating with Shandong Heyi Gas Co., among others, to innovate production processes [2] - The research team overcame traditional production challenges, achieving over 20% improvement in boron isotope separation efficiency and reducing impurity content by more than 50% [2] Group 2: Industry Impact - 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 sector, bolstering the nuclear power industry's supply chain security [2]

Core Insights - The successful delivery of domestically produced enriched boric acid to the Guangdong Lufeng Nuclear Power Unit 5 marks a significant breakthrough in China's nuclear material supply chain, indicating a move towards self-sufficiency in critical nuclear chemical materials [1][2] Group 1: Product Development - Enriched boric acid, produced through isotope separation technology, has its boron-10 abundance increased from natural levels of less than 20% to over 96%, playing a crucial role in nuclear safety by absorbing neutrons in pressurized water reactor cores [2] - The production of enriched boric acid has previously relied on imports due to complex production processes and stringent quality standards, raising supply chain security concerns as nuclear power construction scales up [2] Group 2: Research and Innovation - The Suzhou Thermal Research Institute, leading the domestic development project since 2022, collaborated with Shandong Heyi Gas Co., Ltd. and other chemical enterprises to innovate production processes and facilitate industrial transformation [2] - The research team overcame traditional production challenges, achieving over a 20% increase in boron isotope separation efficiency, reducing impurity content by more than 50%, and maintaining isotope abundance control deviation of less than 1%, with product quality reaching international advanced levels [2]

Core Viewpoint - The successful delivery of enriched boric acid by Suzhou Thermal Research Institute, a subsidiary of China General Nuclear Power Group, marks a significant advancement in the domestic production of this critical material for nuclear power plants [1] Group 1: Product Development - Enriched boric acid has been developed through isotope separation technology, increasing the boron-10 abundance from less than 20% in natural sources to over 96% [1] - This product plays a crucial role in nuclear power plants, acting as an "intelligent brake" [1] Group 2: Application and Impact - The enriched boric acid was delivered to the Guangdong Lufeng Nuclear Power Unit 5, following its small-scale demonstration applications at Yangjiang Nuclear Power Unit 3 and Fangchenggang Nuclear Power Unit 4 in November 2024 [1]

Core Insights - The successful delivery of domestically produced enriched boric acid for nuclear use marks a significant breakthrough in China's nuclear supply chain, ensuring self-sufficiency in critical nuclear materials [1][2] Group 1: Product Development - The enriched boric acid, with a boron-10 abundance increased to over 96%, plays a crucial role in nuclear reactors by absorbing neutrons and stabilizing the nuclear chain reaction [1] - The production of enriched boric acid has transitioned from reliance on imports to domestic production, addressing supply chain security concerns as nuclear power construction expands in China [1] Group 2: Technological Advancements - The project led by Suzhou Thermal Engineering Institute since 2022 has successfully overcome traditional production challenges, including high energy consumption and waste generation [2] - Innovative techniques such as new complexing agent separation technology and full material recycling synthesis have improved separation efficiency by over 20% and reduced impurity content by more than 50% [2] - The final product meets international advanced quality standards, with isotope abundance control deviation less than 1% [2] Group 3: Industry Impact - The large-scale delivery of domestically produced enriched boric acid signifies China's capability to ensure stable supply, reliable quality, and reasonable pricing in the enriched boric acid industry [2] - This development strengthens the supply chain security for China's nuclear power sector, particularly in the critical materials domain [2]

为攻克技术壁垒，苏州热工院自2022年起牵头开展"核电站一回路用富集硼酸国产化研发"项目，联合国 内山东合益气体股份有限公司等化工企业开展工艺创新与产业转化。研发团队攻克了传统生产方法中工 序繁、能耗高、废料多等问题，创新采用新型络合剂分离技术及全物料循环利用合成技术，通过近百次 模拟实验与工艺优化，最终实现硼同位素分离效率提升20%以上，杂质含量降低超50%，产品同位素丰 度控制偏差小于1%，产品质量达到国际先进水平。 这是继2024年11月在阳江核电3号机组、防城港核电4号机组运行期间小批量示范应用后，富集硼酸国产 化的又一次重大突破。向新建"华龙一号"机组的规模化供货，标志着国产核用富集硼酸供应链已实现自 主可控，我国在关键核用化学材料研制领域又迈出坚实一步。 据中广核有关负责人介绍，富集硼酸是通过同位素分离技术将硼-10丰度由天然不足20%提升到96%以上 的特殊化工产品，在核电站中扮演"智能刹车"角色，主要用于吸收压水堆核电站反应堆堆芯产生的部分 中子，通过化学方式补充控制堆芯的链式反应，是保障核安全不可或缺的"镇定剂"。由于其生产工艺复 杂、质量标准严苛，此前我国长期依赖进口，随着核电建设规模的不 ...