A unified view of separations

Do the easiest separation first. This may seem obvious, but often the starting place is non-obvious when one is faced with a complex feed mixture to separate. 

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List several reasons for implementing a unified view of separations technologies. 

The cluster model approach, together with detailed analysis of cluster wavefunctions, provides a powerful partner to experiment. It can be used to separate various physical and chemical terms, which is normally difficult with experiments. The overall goal of the cluster model studies in this chapter is not to reproduce measured quantities. It is to combine experimental and theoretical information to obtain broad, and unified, views of various surface phenomena. 

Scientists who were trained primarily in physics soon disputed this claim. For Nernst and Perrin, physical chemistry was chemical physics.3 In his Introduction to Chemical Physics (1939), Slater made clear his view that it was a historical accident that physics and chemistry are separate sciences, that the field within which he situated his work was a unified chemistry and physics, and that it is called chemical physics "[for] want of a better name, since physical chemistry is already preempted."4... 

The chapters in this book deal with specific research situations, firom both the experimental and theoretical points of view. To conceptually unify what appears to be a diverse collection of work on disparate systems, an overview chapter by William B. Russel serves as an introduction. This chapter reviews various phenomena such as flocculation, stabliliza-tion, phase separation, and rheology of colloidal particles in polymer solutions, which are all recognized as macroscopic manifestations of the short-range forces between polymer segments and colloid surfaces. 

Both of these will be analysed separately and a unified, holistic relational data stracture depicting the hazard universe will be proposed. Analysing the hazard, from a systems safety point of view, it is possible to define the hazard universe as a hierarchical net, consisting of a number of different objects, all of which interact to define the Safety Performance as an emerging property. If we analyse the hazard from a systems point of view, it is possible to distinguish between three sets of attributes related to each hazard ... 

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