A new clean coal-based liquid state fuel-coal water slurry is reported and it′s application on caustic soda furnace is also discussed.

Discussion on the production of high concentration caustic soda by the process of four-evaporator three-effect;

Evaporation operation summary on 200 kt/a ionic membrane caustic soda;

Innovation on system of 60 kt/a new caustic soda evaporation units under construction;

Application of the online chemical cleaning technique to the circulating cooling water system of sodium hydroxide;

In this paper, the causes about the caustic embrittlement occurred in the pipelines of the sodium hydroxide system in the company and main preventive measures for it were introduced.

This paper is about the treatment of decoloring 30% liquor of industrial sodium hydroxide which was made by the method of midriff-electrolysis.

A new burning method to treat biological sludge in the alkali recovery boiler in foreign pulp and paper mills;

A series of technical measures are taken at the blast furnace to increase the air temperature,such as using cold air that comes from the stove,distributing the fume in the stove reasonably,using of fume waste heat recovery technology,auto-matic combustion and enriched oxygen combustion technology.

The paper summarize the oxygen enriched combustion technology of hot stove in Baosteel,i.