| 75 / | HD | SPECIALIZED METALLURGICAL PROCESSES, COMPOSITIONS FOR USE THEREIN, CONSOLIDATED METAL POWDER COMPOSITIONS, AND LOOSE METAL PARTICULATE MIXTURES |
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| 330 | DF | PROCESSES {9} |
| 392 | DF | .~ Producing or treating free metal {10} |
| 414 | DF | .~.~ At 300 degrees C or greater (e.g., pyrometallurgy, etc.) {7} |
| 433 |  | .~.~.~ Iron(Fe) {18} |
| 434 | DF | .~.~.~.~> With concurrent production of hydraulic cement |
| 435 | DF | .~.~.~.~> With concurrent production of Titanium dioxide |
| 436 | DF | .~.~.~.~> With consolidation (e.g., pelletizing, etc.) of solid metallic Iron(Fe) product after reduction |
| 437 | DF | .~.~.~.~> Reducing Iron(Fe) halide |
| 438 | DF | .~.~.~.~> Making wrought Iron(Fe) {3} |
| 443 | DF | .~.~.~.~> Reducing in gaseous suspension {4} |
| 458 | DF | .~.~.~.~> Blast furnace reduction to produce molten Iron(Fe) {7} |
| 473 | DF | .~.~.~.~> Reduction in closed retort (e.g., Hoganas process, etc.) |
| 474 | DF | .~.~.~.~> Reduction in rotary kiln {3} |
| 483 | DF | .~.~.~.~> Superposed multiple hearth reduction |
| 484 | DF | .~.~.~.~> Moving furnace or hearth (e.g., moving belt, etc.) {1} |
| 486 | DF | .~.~.~.~> Heating reduction zone by heat conducted through walls of zone {1} |
| 488 | DF | .~.~.~.~> Reduction to metallic Iron(Fe) within shaft furnace {2} |
| 500 | DF | .~.~.~.~> Reduction in molten state {2} |
| 503 | DF | .~.~.~.~> Reduction in presence of solid Carbon(C) containing material (e.g., coke, coal, carbides, etc.) {1} |
| 505 | DF | .~.~.~.~> Reduction with externally applied gas (e.g., batch HyL process, etc.) |
| 506 | DF | .~.~.~.~> Reduction in the presence of liquid carbonaceous reductant (e.g., petroleum, pitch, etc.) |
| 507 | DF | .~.~.~.~> Melting Iron(Fe) or treating molten Iron {12} |