The Production of Chloramine by Liquid Phase Injection of Ammonia and Chlorine.
AEROSPACE CORP EL SEGUNDO CALIF IVAN A GETTING LABS
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The results of preliminary experiments on the injection of liquid reactants NH3 and Cl2 into a reactor chloramine NH2Cl are reported. The normal process for the anhydrous production of NH2Cl introduces the reactants as gases. The direct injection of liquid reactants would be a simplification. Problems with the constancy of reactant delivery and dispersion of liquid reactants caused the observed yields to vary greatly. AT NH3Cl2 ratios of 3.3 all of the NH3 was consumed in two experiments and dichloramine was detected in the analytical solutions. When the ratio was increased to 4.3, NH3 was presented in all cases and one experiment gave a yield of 60 percent NH2Cl. No plugging of the injectors was observed in any of the experiments and continuous operation appeared feasible. The NH4Cl product formed in large flakes that only weakly adhered to the reactor parts. The NH4Cl settled out much more rapidly in the liquid injection experiments than in comparable gas phase injection experiments. The development of this approach should be considered. Author
- Industrial Chemistry and Chemical Processing
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