1Miller F M, Young G L, von Seebach M. Formation and techniques for control of sulfur dioxide and other sulfur compounds in Portland cement kiln systems [R]. R&D Serial No.2460, Portland Cement Association, Skokie, Illinois, USA, 2001.
2Miller S W, Hansen J P. Controlling SOz emission [J]. Cement International, 2004(2): 80-87.
3Bonn W, Haslcr R. Methods and experience relating to the reduction of SO2 emisssions caused by raw materials at the Untervaz plant of Bundner Cementwerke [J]. ZKG Intern, 1990,43(3):139-143.
4Nielsen P B, Jepsen O L. An overview of the formation of SO, and NOx in various pyroprocessing systems [J]. IEEE Trans Ind Appl,1991,27 (3):431-439.
5Wolter A. Improvements of cement pyroprogress with special emphasis on environmental protection [C]. 29th IEEE Cement Industry Technical Conference, 1987,395-413.
6Brumsack H J. A simple method for the determination of sulfide- and sulfate-sulfur in geological materials by using different temperatures of decomposition [J]. Fresen J Anal Chem, 1981,307(3):206-207.
7Wagner C D, Riggs W M, Davis L E, et al. Handbook of X-ray Photoelectron Spectroscopy [M]. Minnesota: Perkin-Elmer Corporation, 1979.
8Hu G L, Dam-Johansen K, Wedel S, et al. Review of the direct sulfation reaction of limestone [J]. Prog Energy Combust Sci, 2006,32(4): 386-407.