| 聚天冬氨酸和钨酸钠复配对模拟水中黄铜的缓蚀作用研究 |
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| 引用本文： | 徐群杰,龚健,周国定.聚天冬氨酸和钨酸钠复配对模拟水中黄铜的缓蚀作用研究[J].华东电力,2005,33(10):15-17. |
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| 作者姓名： | 徐群杰 龚健 周国定 |
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| 作者单位： | 上海电力学院,国家电网公司热力设备腐蚀与防护部级重点实验室,上海,200090;上海电力学院,国家电网公司热力设备腐蚀与防护部级重点实验室,上海,200090;上海电力学院,国家电网公司热力设备腐蚀与防护部级重点实验室,上海,200090 |
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| 基金项目： | 国家自然科学基金(20406009)，上海市青年科技启明星(02QF14022)，上海市曙光计划(04SG55)，上海市重点学科建设项目(P1304)，上海市教委重点培育学科资助项目 |
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| 摘 要： | 采用交流阻抗法和极化曲线法,研究了两种环境友好型水处理药剂聚冬天氨酸和钨酸钠的单一配方以及复配对模拟水中黄铜的缓蚀效果。研究表明:聚冬天氨酸和钨酸钠各自的单一配方对于黄铜均具有一定的缓蚀效果,在缓蚀剂总浓度为20 mg/L时,聚冬天氨酸与钨酸钠配比为6∶1时对黄铜的缓蚀效果最佳,并具有协同效应。极化曲线研究表明PASP和Na2WO4复配对黄铜的缓蚀机理主要为阳极性缓蚀剂。
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| 关 键 词： | 聚天冬氨酸 钨酸钠 黄铜 缓蚀剂 交流阻抗 |
| 文章编号： | 1001-9529(2005)10-0015-03 |
| 修稿时间： | 2005年8月29日 |
Complex of PASP and sodium tungstate as inhibitors for brass corrosion in simulated water |
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| XU Qun-jie,GONG Jian,ZHOU Guo-ding.Complex of PASP and sodium tungstate as inhibitors for brass corrosion in simulated water[J].East China Electric Power,2005,33(10):15-17. |
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| Authors: | XU Qun-jie GONG Jian ZHOU Guo-ding |
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| Abstract: | The AC impedance method and polarization curves were used to study the inhibition effects of environmental friendly chemicals PASP,Na_2WO_4,and the complex of PASP and Na_2WO_4 for brass corrosion in simulated water.The results indicate that PASP and Na_2WO_4 both have the inhibition effect for brass corrosion.At the total inhibitor concentration of 40 mg/L,the combination of PASP and Na_2WO_4 has a good synergistic effect,and the optimum ratio of PASP to Na_2WO_4 is 6:1.Polarization curve measurements show that the inhibition mechanism of the complex of PASP and Na_2WO_4 is anodic inhibitor. |
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| Keywords: | PASP sodium tungstate brass inhibitor AC impedance |
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