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기포탑안에서 탄산암모늄 용액의 제조에 관한 연구
A Study on the Production of Ammonium Carbonate in a Bubble Column
HWAHAK KONGHAK, April 1987, 25(2), 125-133(9), NONE
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Abstract
기포탑안에서 암모니아와 탄산가스를 물중에 화학흡수시켜, 황산암모늄을 제조하기에 적합한 농도의 탄산암모늄 용액을 제조하기 위한 기초자료를 얻기 위하여 일련의 연구가 행하여졌다. 두 기체가 기포탑안에서 동시에 흡수되었고, 정상상태에 도달하기에 충분한 시간이 경과된 후 탑밖으로 유출되는 용액을 분석하여 흡수속도가 측정되었다. 실험결과는 유사1차반응에 대한 수치해석의 결과와 잘 일치하였고, 석고와의 반응에 의하여 황산암모늄을 제조하기에 적합한 34.1 wt%의 탄산암모늄 용액을 기포탑안에서의 화학흡수반응에 의하여 쉽게 얻을 수 있었다.
A study was carried out to get fundamental informations on the production of ammonium carbonate solution whose concentration is suitable for producing ammonium sulfate by chemical absorption of ammonia and carbon dioxide into water in a bubble column. Two reactant gases were simultaneously absorbed in the bubble column, and the rates of absorption of the gases were determined by chemical analyses of liquid leaving the bubble column after a sufficient time for a steady state to be reached. The experimental results agreed well with the results of numerical solution for the case of pseudo first-order reaction, and the ammonium carbonate solution of 34.1 wt%, which would be suitable for producing ammonium sulfate from its reaction with gypsum, could be easily obtained by the chemical absorption in a bubble column.