E—M water treatment agent for boilers,composed of ethylenediamine tetramethylene phosphonic acid(EDTMP) and hydrolyzed polymaleic anhydride (HPMA),and its applications are introduced in this article.

介乙二胺四亚甲基膦酸(EDTMP)和水解聚马酸(HPMA)组成的锅炉水处理剂E—M配方及其例。