Adsorption, Ion Exchange and Catalysis: Design of Operations by Vassilis Inglezakis, Stavros Poulopoulos

By Vassilis Inglezakis, Stavros Poulopoulos

Adsorption, Ion alternate and Catalysis is basically a mix of environmental technological know-how and chemical reactor engineering. extra particularly, 3 vital heterogeneous tactics, specifically, adsorption, ion trade and catalysis, are analysed, from primary kinetics to reactor layout with emphasis on their environmental functions. In bankruptcy 1, the topic of air and water pollutants is handled. information approximately toxins and emission resources are given and the remedy equipment are presently offered. In bankruptcy 2, the very fundamentals and ancient improvement of adsorption, ion alternate and catalysis are provided in addition to their environmental purposes. bankruptcy three is dedicated to heterogeneous methods and reactor research. every kind of reactors are defined intensive and reactor modelling, hydraulics and mass/heat move phenomena are tested for every kind of reactor. Chapters four and five are devoted to adsorption & ion trade and catalysis, respectively. the fundamental rules are provided together with kinetics, equilibrium, mass/heat move phenomena in addition to the analytical strategies of the reactor types offered in bankruptcy three. within the 6th bankruptcy, the topic of scale up is approached.The Annexes on the finish of the e-book include actual homes of drugs of environmental curiosity in addition to unit conversion tables. ultimately, approximately the entire examples contained are according to actual experimental information present in literature with environmental curiosity. lots of the examples ponder all facets of operation layout - kinetics, hydraulics and mass transfer.* offers simple wisdom of significant environmental difficulties and connects them to chemicalengineering

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Additional info for Adsorption, Ion Exchange and Catalysis: Design of Operations and Environmental Applications (2006)

Sample text

14. 1 Adsorption The term “sorption” is used to describe every type of capture of a substance from the external surface of solids, liquids, or mesomorphs as well as from the internal surface of porous solids or liquids (Skoulikides, 1989). Depending on the type of bonding involved, sorption can be classified as follows. (a) Physical sorption. In physical sorption (or physisorption), no exchange of electrons is observed; rather, intermolecular attractions between favorable energy sites take place and are therefore independent of the electronic properties of the molecules involved.

Manufacture of sulfonated coals and suggestion for the removal of potassium from sugar juices. Discovered that zeolites could be used to soften hard water. He also invented processes for synthesizing zeolites and designed the equipment—the zeolite water softener— used for the recovery of gold from sea water. The first analytical application of ion exchange. The first use of ion exchange in column chromatography. The first use of an ion-exchange column for anion analysis. Entirely new types of cation exchangers were developed.

3, the history of adsorption is presented briefly. 2 Ion exchange The first citation of an application of ion exchange can be found in Aristotle’s Problematica, where it is mentioned that sand filters were used for the purification of sea and impure drinking waters. That is also the first environmental application. In the same book, Aristotle suggested that desalination resulted from density effects. It seems that practical applications of ion exchange were well recognized before the 19th century.

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