fluidised bed reduction of o ides ore

2018/01/01· The Z-path moving fluidized bed has the advantage that it realizes a gradient utilization of heat and reduction potential of the gas in iron ore fines reduction with a comparatively simple ....
US3549352A - Staged fluidized iron ore reduction process - Google Patents Staged fluidized iron ore reduction process Download PDF Info Publication number US3549352A US3549352A US668657A ....
US3160498A - Fluidized iron ore reduction process and apparatus - Google Patents Fluidized iron ore reduction process and apparatus Download PDF Info Publication number US3160498A US3160498A US39691A ....
Promoting assimilation of magnetite fine ore for CO 2 reduction from sintering process 140 A Morioka, M Matsumura and J Okazaki Quality of sinter ore by flame zone shape in bed location 145 Y S Seo, B C Kim, H M Lee and H J...
H Tang, Z Guo, K KitagawaSimulation study on performance of Z-path moving-fluidized bed for gaseous reduction of iron ore fines ISIJ International, 52 (7) (2012), pp 1241-1249 Google Scholar...
The CFB has been successfully applied for coal combustion, roasting of gold containing ores, direct reduction of iron ore fines and other us In the early 1990s we introduced a new variation of fluidization technology, the annular...
Fluidised bed furnaces (see Figure 335) can be adapted to many heat-treatment processes such as neutral hardening, tempering, carburising and nitridingThe range of temperatures is very wide, up to 1040 C There are different ....
The reactor bed discharge calcine product has a carbon content of about 01 %, and the composite reactor product has a carbon content lower than 20% Fluidized bed reduction of laterite fines with reducing gases generated in situ...
241 t Ore Fines & Fluxes Off-gas Fluidised Bed Heal Exchanger Hollow Electrode DC Transferred Ne Furnace with MgO Wor1...
1989/08/01· The full text of this article hosted at iucrorg is unavailable due to technical difficulti...
US2752234A - Process for continuous gaseous reduction of iron ore in a fluidized bed system - Google Patents Process for continuous gaseous reduction of iron ore in a fluidized bed system Download PDF...
Gasification and chemical-looping combustion experiments with a lignite (Hambach) char are reported, using an electrically heated fluidized bed in a 25 mm diameter tube at about 1073 K Effects of CO 2 Atmosphere and K 2 CO 3 Addition on the Reduction Reactivity, Oxygen Transport Capacity, and Sintering of CuO and Fe 2 O 3 Oxygen ,...
Ewa Marek, Stuart Scott Department of Engineering, University of Cambridge Characteristics of iron-ore tested for chemical looping combustion in fluidised bed reactor Outline 1 Pyrite as a Fe-source for CLC 2 Motivation 3 Cycling...
Gasification and chemical-looping combustion experiments with a lignite (Hambach) char are reported, using an electrically heated fluidized bed in a 25 mm diameter tube at about 1073 K The fluidizing gas was CO 2 in nitrogen, with either batch or continuous feed of char into a bed of sand or particles of Fe 2 O 3...
Direct reduction refers to solid-state processes which reduce iron oxides to metallic iron at temperatures below the melting point of iron Reduced iron derives its name from these processes, one example being heating iron ore in a furnace at a high temperature of 800 to 1,200 °C (1,470 to 2,190 °F) in the presence of the reducing gas syngas , a mixture ,...
A direct reduction process for a metalliferous material includes supplying the metalliferous material, a solid carbonaceous material, an oxygen-containing gas, and a fluidizing gas into a fluidized bed in a vessel and maintaining the ....