Numerous difficulties were encountered during the commissioning such as multiple reactor tuyere line failures, absorbing acid tower refractory collapse, and Noranda Reactor and Mitsubishi Converter process control problems.

This paper describes the Noranda reactor lining structure and the first mend plan and summaries the technical measures taken in the four mends.

The slag and liner of a Noranda furnace must be demolished once every two years.

Improvement and situation of Noranda slag beneficiation;

Application of Micro-computer Chemicals-feeding System for NORANDA Furnace Slag processing;