1 INTRODUCTIONVapor-liquid equilibrium(VLE)data are useful for the study of solution properties ofnon-ideal mixtures as well as for the design of the separation equipment.Then-methylpyrrolidone(NMP)is a new-type a...1 INTRODUCTIONVapor-liquid equilibrium(VLE)data are useful for the study of solution properties ofnon-ideal mixtures as well as for the design of the separation equipment.Then-methylpyrrolidone(NMP)is a new-type and excellent solvent which can be used in somechemical engineering separation processes.The NMP sucks up moisture so easily that it isnecessary to study the VLE relations of the NMP-H<sub>2</sub>O binary system,展开更多
文摘1 INTRODUCTIONVapor-liquid equilibrium(VLE)data are useful for the study of solution properties ofnon-ideal mixtures as well as for the design of the separation equipment.Then-methylpyrrolidone(NMP)is a new-type and excellent solvent which can be used in somechemical engineering separation processes.The NMP sucks up moisture so easily that it isnecessary to study the VLE relations of the NMP-H<sub>2</sub>O binary system,