Hấp thụ cesium trên đá granite xung quanh kho chứa chất thải hạt nhân cấp thấp và trung bình của Trung Quốc trong môi trường nước ngầm

Journal of Radioanalytical and Nuclear Chemistry - Tập 331 - Trang 2069-2080 - 2022
Qiao Jiang1, Yanhui Wang1, Jianfeng Cheng1, Yuelong Pan2, Jiafu Ren1, Yangchun Leng3, Yu Liu2, Chengyang Bao3, Litao Wang3, Xianguo Tuo1
1Nuclear Technology Automation Process Academy, Chengdu University of Technology, Chengdu, China
2China Nuclear Power Engineering Co., Ltd., Shenzhen, China
3School of National Defense Science and Technology, Southwest University of Science and Technology, Mianyang, China

Tóm tắt

Hành vi và cơ chế hấp thụ Cs+ trên đá granite xung quanh kho chứa chất thải hạt nhân dưới môi trường nước ngầm đã được nghiên cứu thông qua các thí nghiệm dạng mẻ và các phương pháp định tính. Kết quả cho thấy khả năng hấp thụ trong môi trường nước ngầm bị ức chế do sự hiện diện của các ion khác, và Cs+ được hấp thụ bởi granite nghiền nát phân bố tại vùng thiếu K+, chứng minh rằng Cs+ có thể được thu giữ bởi granite thông qua quá trình trao đổi ion với K+. Nghiên cứu này có thể cung cấp một tài liệu tham khảo quan trọng cho việc đánh giá an toàn của kho chứa.

Từ khóa

#hấp thụ #cesium #đá granite #kho chứa chất thải hạt nhân #môi trường nước ngầm

Tài liệu tham khảo

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