| 摘要 |
<p>FIELD: chemical engineering. ^ SUBSTANCE: method consists in (i) preliminarily reducing laterite particles in reactor, preferably fluidized-bed reactor, to produce in situ reducing gas via addition of reducing, for example carbon material, into fluidized-bed chamber, (ii) fluidizing the bed with oxidizing gas, and (iii) maintained reactor temperature such as to allow partial combustion of coal and formation of reducing medium. Calcined product with carbon level 1.0 to 1.5 is finally discharged from reactor. ^ EFFECT: enhanced process efficiency. ^ 26 cl, 2 tbl</p> |
