IS 11284 : 1985 Method of Rotary Tube Test for Iron Bearing Materials for the Manufacture of Sponge Iron/direct Reduced Iron (Dri)

UDC 669.181.42                                               MTD30

Reaffirmed 2021

1 Scope

1.1 This standard prescribes the rotary tube test method to determine the reducibility of iron ore and degradation behaviour of iron ore and coal during sponge iron production by simulating the reduction conditions of rotary kiln.

2 References

IS 2 : 1960 Rules for rounding off numerical values

IS 460 : Part I : 1978 Specification for test sieves: Part 1 Wire cloth test sieves Part 2 Perforated plate test sieves

IS 1350 Methods of test for coal and coke

IS 1493 : 1959 Methods of chemical analysis of iron ore

IS 10823 : 1984 Methods for determination of thermal degradation index (TDI) and reduction degradation index (RDI) of iron oxides: Lump ores, sinter and pellets