我国工业冷却水处理技术发展回顾与展望

杨文忠,尹晓爽,陈云,刘瑛

Review and prospect of the development of industrial cooling water treatment technology in China

Wenzhong Yang,Xiaoshuang Yin,Yun Chen,Ying Liu

表2 不同螯合剂分子中成环的带负电荷原子的距离

Table 2 Distance between the negative charge atoms of rings in different chelating agent molecules

螯合剂 ATMP HEDP PBTCA NTA EDTA N（=O）距离/nm 0.404 5 0.364 1 0.328 0 N（-O）距离/nm 0.284 3 0.305 3 1N-7N距离/nm 0.322 3 P（=O）距离/nm 0.491 0 0.495 0