7Leites I L , Sama D A, Lior N. The theory and practice of energy saving in the chemical industry: some methods for reducing thermodynamic irreversibility in chemical technology processes[J]. Energy ,2003,28( 1 ) : 55 -97.
8Cheng Zan, Lin Shi, Yao Zu Song, et al. Evaluation method for thermal processing of phosphoric acid with waste heat recovery[J]. Energy, 2006,31 (14) :2791 -2804.
9Palm, Gordon F. Phosphoric acid manufacturing with converted waters[ P]. US5316748, 1994.
10Daviot, Reid, Christopher Holmes, et al. Douglas. Aqueous phosphoric acid compositions for cleaning semiconductor devices[ P]. US patent 7,235,188, 2007.