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2025年5月16日,中国首批商用堆产碳-14同位素产品从秦山核电基地正式发运至客户手中。该产品是中国首个同位素生产技术品牌“和福一号”诞生后的首批量产成果,标志着中国碳-14同位素实现了从自主研发、自主生产到市场化供应的全产业链贯通。碳-14由于其放射性,具有极高的医用价值和科研价值,主要用于幽门螺杆菌检测、新药研发和环境监测等。长期以来,中国碳-14供应严重依赖进口,全球仅有少数国家掌握量产技术。

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(图片来源:中国核工业集团官网)

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中国重水堆“烤”出碳元素的放射性同位素碳-14
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科技导报 | 科技新闻 2025,43(11): 3-7
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科技导报 |科技新闻 2025 , 43 (11) : 3 -7
中国重水堆“烤”出碳元素的放射性同位素碳-14
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出版时间: 2025-06-13
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2025年5月16日,中国首批商用堆产碳-14同位素产品从秦山核电基地正式发运至客户手中。该产品是中国首个同位素生产技术品牌“和福一号”诞生后的首批量产成果,标志着中国碳-14同位素实现了从自主研发、自主生产到市场化供应的全产业链贯通。碳-14由于其放射性,具有极高的医用价值和科研价值,主要用于幽门螺杆菌检测、新药研发和环境监测等。长期以来,中国碳-14供应严重依赖进口,全球仅有少数国家掌握量产技术。

. 中国重水堆“烤”出碳元素的放射性同位素碳-14. 科技导报, 2025 , 43 (11) : 3 -7 .
. Science & Technology Review, 2025 , 43 (11) : 3 -7 .
2025年5月16日,中国首批商用堆产碳-14同位素产品从秦山核电基地正式发运至客户手中。该产品是中国首个同位素生产技术品牌“和福一号”诞生后的首批量产成果,标志着中国碳-14同位素实现了从自主研发、自主生产到市场化供应的全产业链贯通。碳-14由于其放射性,具有极高的医用价值和科研价值,主要用于幽门螺杆菌检测、新药研发和环境监测等。长期以来,中国碳-14供应严重依赖进口,全球仅有少数国家掌握量产技术。
碳-14的生产是通过核反应,让氮-14原子俘获中子并释放质子,质量数保持不变的同时,原子序数由7变为6。工业制备流程主要为:(1)把含氮靶件装入重水堆,中子“轰击”数月(本次为677天);(2)取出靶件,在屏蔽水池中冷却衰变;(3)对靶件进行氧化燃烧,析出含碳-14的二氧化碳并利用碱液吸收后提纯;(4)灌装、校准,用于后续运输。“和福一号”的核心突破,是选择在商用发电重水堆内辐照靶件。重水堆堆芯具有热中子通量高、堆内辐照空间大的独特优势,类似一个超级“烤箱”,为核反应提供理想的“烘焙”环境。长期稳定运行的重水堆保证了同位素的连续制备。
国产碳-14的问世,将大幅降低成本,预计年产量能够完全覆盖国内市场需求。“这是中国核电继核能供暖、供汽后在核能和平利用领域的新突破,在核技术应用领域提供了新的‘中核方案’。”中国核电总经理、党委副书记邹正宇接受海盐新闻网采访时说。
(综合《光明日报》、央广网、海盐新闻网)

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  • 首发时间:2025-12-15
  • 出版时间:2025-06-13
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
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属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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