- 36 - www.sjfcd.org Scientific Journal of Frontier Chemical Development June 2013, Volume 3, Issue 2, PP.36-41 Discussing of Boiler EDTA Cleaning Technics Conditions Ruimin Wang 1,2 , Shouhui Zhang 2 , Xuejun Xie 1 1. Wuhan University, 430072 2. Xiangyang Power Plant, 441141 Email: xiexuejun@163.com Abstract The priciple and technics of the chemical cleaning with EDTA, the choice and