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Summary and closing remarks

In this chapter, we have attempted to summarize the philosophy and procedural details for the design and scale-up of three-phase slurry reactors. First, the widespread use of three-phase slurry systems in the petroleum processing, chemicals, and process industry has been highlighted with suitable examples. The factors governing the performance of three-phase slurry [Pg.149]

A further improvement in the estimation of hydrodynamic flow patterns is done with CFD models. These models are helpful in estimating the details of the flow patterns, such as velocity profiles and phase volume fi-action profiles, which in turn can be directly coupled to the effective reaction rates or may be coupled [Pg.150]

Estimation of the effective reaction rate continues to be based largely on empiricism and system-specific measurements. Several correlations reported in the literature for estimation of the transport parameters have been reported in this chapter. This is, however, only a partial list, and case-specific correlations may be either developed independently or estimated from relevant literature sources. [Pg.150]

We have made an attempt to provide a systematic approach to understand various elements of hydrodynamics, interphase and intraparticle mass transfer, fluid phase mixing, and reaction [Pg.150]


A89. Magee, RN. Summary and closing remarks / . A-Nitroso 26A105. compounds Occurrence, biological effects and relevance to human cancer, edited by L.K. O NeiU, R.C. von Borstel,... [Pg.1475]

All fulleranes have in common the activation of the C-H bond under the action of the UV light with release of molecular hydrogen. In fact, fulleranes show a remarkable photolytic isotope effect has been observed (see Table 8.1 for a summary of data). For C70H38 and its deuterated analogous kH/kD = 1.32 a value close to that found for C60H18. [Pg.160]

At the beginning a brief summary of the basic principles of X-ray scattering and scattering instrumentation will be given. These remarks will be very closely related to the specific peculiarities of polymer research and to the experiments described later. Items, which do not fall into this narrow category are mostly omitted. Here the reader is referred to more detailed literature. [Pg.113]

A summary of the methods employed and the resultant values is given in Table 2.11.12. In view of the wide variety of techniques employed in these divisions it is remarkable that the results are in such close agreement. Since the majority of the values fall close to a value of — 5 cal mol K" it appears worthwhile, in the absence of more precise values, to assign arbitrarily a value of S + a.q) = —5.0 cal mol K- ... [Pg.283]


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Remarks

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