| 1. | Test study on passivation methods in chemical cleaning of boilers , including to use sodium nitrite , hydrogen peroxide , polyphosphate , hydrazine , acetone oxime , trisodium phosphate , and sodium carbonate , has been carried out , and combined with typical examples of application , recommendations for selecting these passivation methods and for using suitable passivation technology being put forwad 摘要对锅炉化学清洗中亚硝酸钠钝化法、过氧化氢钝化法、多聚磷酸盐钝化法、联氨钝化法、丙酮肟钝化法、磷酸三钠钝化法和碳酸钠钝化法进行了试验研究,并结合典型的应用实例,提出了选择这些钝化方法的建议和适合采用的钝化工艺。 |