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This document discusses using ammonia as a reducing agent for ironmaking at low temperatures as an alternative to conventional coal-based ironmaking. The study examined the reduction of hematite with ammonia at different temperatures. Results showed that reduction began at 430°C and changed mechanisms from direct reduction of ammonia to indirect reduction via thermal decomposition of ammonia above 530°C. Products obtained at 600-700°C were pure metallic iron, unlike those at 450°C which were a mixture of ir
- Author
- josephweeraratne
- Language
- EN