Przemysl Chemiczny, Vol.88, No.12, 1268-1272, 2009
Production of ammonia synthesis gas. Technological evolution of CO2 removal from process gas with potassium carbonate solution
A review, with 21 refs., of processes for removal of CO2 from gas mixts. by absorption with alk. org. solvents or K2CO3 soln. In particular, the modifictions of Benfield process, esp. made by the Institute of Fertilizers and implemented in NH3 prodn. plants, were comprehensively described.