METHOD FOR RECOVERING PURIFIED SODIUM BICARBONATE AND AMMONIUM SULFATE

摘要

Process for making ammonium sulfate and sodium bicarbonate from a solution of sodium sulfate and other sodium salts such as sodium sulfite, carbonate, chloride, fluoride, nitrate and nitrite, using evaporation and precipitation unit operations. The sodium bicarbonate produced is suitable for use as a scrubbing agent for flue gas purification.