5Otero M , Calvo L F , Estrada B et al. Thermogravimetryas a technique for establishing the stabilization progress of sludge from wastewater treatment plants [ J ]. Themo- chimica Acta , 2002 , ( 389 ) : 121 - 132.
6Jiang J Q , Lioyd B. Progress in the development and use of ferrate(VI) salt as an oxidant and flocculant for water and wastewater treatment [ J ]. Water Research, 2002, (36) :1397 - 1408.
