✦ LIBER ✦
98/04118 Manufacture of ceramics with good heat resistance and high toughness from coal ash
- Publisher
- Elsevier Science
- Year
- 1998
- Weight
- 195 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0140-6701
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✦ Synopsis
An annular chamber provided with local ore feed and discharge as well as peripheral burners and a gas-transfer system is included in the rotaryhearth furnace for ore treatment.
The CO-rich atmosphere from coal combustion is applied for the reduction of the ore and recirculated in the furnace for secondary combustion with heat recovery and decreased pollution in discharge.
98/04111
Smelting process with direct reduction of iron ore for manufacture of cast iron melt in two-chamber vertical furnace