There are two processes in sodium sulfate production. 1. Chemical process: Feed sodium chloride (>97%) and sulfuric acid (H2SO4 >98%) into Mannheim furnace, and the reactant is sodium sulfate. The first step is an exothermal reaction that can be carried out at lower temperature, NaHSO4 is form first. While the second reaction is a strong endothermic reaction, the reaction can be carried out only at 500°C to 600°C. The heat required by the reaction is supplied by burning of gas in the burning chamber of the furnace. The gas is generated by a coal gas generator. The temperature in the burning chamber should be maintained around 1,200°C. 2. Extracted from glauberite rocks: Crushed glauberite rocks are fed into a tank, and then are extracted by water. Remove impurities in the extract. The clean extract is evaporated and centrifuged. Finally this wet sodium sulfate is dried to obtain product sodium sulfate Sodium Sulfate Plant,sodium sulfate production plant,sodium sulphate plant
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