1 INTRODUCTIONIn the wet processes of industrial phosphoric acid production,sedimentary or francolitephosphate ore dissolves in mineral acid.If the acid is sulp
1 INTRODUCTIONModels for calculating fluid phase equilibria can be classified into two categories,i.e.the excessGibbs energy model(or the activity coefficient m
1 INTRODUCTIONCalcium carbonate scaling is quite common in chemical processes,especially in heatexchangers.Only limited work has been done in mathematical model
This paper presents the application of gamma ray scanning technique to distillation/absorption columns and FCC risers.The flow regime transition.clear liquid he
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 e
pVT data for R22 and propylene around critical region were obtained through a AntonPaar DMT-512 oscillator densimeter.Vapor pressures in the corresponding regio
1 INTRODUCTIONWood chip refining is the most critical step in mechanical pulping.Commercical experi-ences have been gained for years.Modelling and control of ch