中水回用于火电厂循环冷却水时的药剂优选与应用研究

毛春奎, 朱志平, 李涛, 周上明, 阳霍

Optimization and Applicability of Chemical Agents for Reclaimed Water, as Circulating Cooling Water of Thermal Power Plant

MAO Chunkui, ZHU Zhiping, LI Tao, ZHOU Shangming, YANG Huo

表5 在空白体系及复合水处理剂体系中Q235钢试片表面EDS元素分析

Table 5 EDS elemental analysis of the surface of Q235 steel after immersion in blank system and composite water treatment agent system

Element Blank system Compound water treatment agent system Mass fraction / % Atomic fraction / % Mass fraction / % Atomic fraction / % O 21.07 47.75 - - Fe 76.76 49.90 97.95 97.17 Mg 0.26 0.34 0.19 0.43 Ca 1.39 1.25 0.38 0.52 Si 0.26 0.34 0.55 1.09 Na 0.26 0.42 - - Zn - - 0.93 0.79 Aggregate 100.00 100.00 100.00 100.00