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.

介绍由乙二胺四亚甲基(EDTMP)解聚马(HPMA)组成的处理剂E—M配方及其应用实例。