5Kurunov F. The Direct Production of Iron and Alternatives to the Blast Furnace in Iron Metallurgy for the 21st Century [J]. Metallurgist, 2010, 54:335.
6Srinivasan N S. Reduction of Iron Oxides by Carbon in a Cir culating Fluidized Bed Reactor [J]. Powder Technology, 2002, 124:28.
7Sohn, Fruehan R J. The Reduction of Iron Oxides by Vola- tiles in a Rotary Hearth Furnace Process [J]. Metallurgical and Materials Transactions, 2005, 36 B: 605.
8Mashhadi H A,Rastgoo A R,Khaki J V. An Investigation on the Reduction of Iron Ore Pellets in Fixed Bed of Domestic Non-Coking Coals [J]. International Journal of ISSI, 2008 (1) : 8.
9Schenk J L. Recent Status of Fluidized Bed Technologies for Producing Iron Input Materials for Steelmaking [J]. Partic- uology, 2010, 256: 1.
