New PDF release: Adsorption, Ion Exchange and Catalysis: Design of Operations
By Vassilis Inglezakis, Stavros Poulopoulos
Adsorption, Ion trade and Catalysis is basically a mix of environmental technological know-how and chemical reactor engineering. extra particularly, 3 vital heterogeneous methods, particularly, adsorption, ion alternate and catalysis, are analysed, from basic kinetics to reactor layout with emphasis on their environmental functions. In bankruptcy 1, the topic of air and water toxins is handled. info approximately toxins and emission assets are given and the therapy equipment are presently offered. In bankruptcy 2, the very fundamentals and ancient improvement of adsorption, ion trade and catalysis are provided in addition to their environmental purposes. bankruptcy three is dedicated to heterogeneous approaches and reactor research. all kinds of reactors are defined intensive and reactor modelling, hydraulics and mass/heat move phenomena are tested for every form of reactor. Chapters four and five are devoted to adsorption & ion trade and catalysis, respectively. the elemental ideas are offered together with kinetics, equilibrium, mass/heat move phenomena in addition to the analytical suggestions of the reactor versions awarded in bankruptcy three. within the 6th bankruptcy, the topic of scale up is approached.The Annexes on the finish of the ebook include actual houses of gear of environmental curiosity in addition to unit conversion tables. ultimately, approximately the entire examples contained are in line with actual experimental facts present in literature with environmental curiosity. many of the examples think of all features of operation layout - kinetics, hydraulics and mass transfer.* offers uncomplicated wisdom of significant environmental difficulties and connects them to chemicalengineering
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Additional resources for Adsorption, Ion Exchange and Catalysis: Design of Operations and Environmental Applications (2006)
New zeolites as molecular sieves with ion-exchange properties. 4 (Continued) Scientist(s) name(s) Breakthrough H. P. Gregor Invention and development of chelating polymers. K. W. Pepper L. R. Morris M. A. Peterson, H. A. Sober Development of cellulose ion exchangers. 1956-58 Preparation and studies of nonsiliceous inorganic ion exchangers—insoluble salts, heteropolyacids F. Helfferich Foundations laid for the new theoretical treatment of ion exchange. T. R. E. Kressmann Invention and development of isoporous ion-exchange J.
1994) plating industry: (1) treatment of raw water to produce high-quality rinse water, (2) chemical recovery from rinse water, (3) treatment of plating baths to remove contaminants, and (4) as a primary end-of-pipe treatment process 50 2. Adsorption, Ion Exchange, and Catalysis Some of the cons and pros of ion exchange are Advantages • • • • in principle, all ions or ionizable species can be removed from aqueous liquids recovery of valuable species is possible high efficiency a large variety of specific resins is available Disadvantages • • • prefiltration is required (suspended particles in the feed should be less than about 50 mg/L to prevent plugging) interference of competing cations in the wastewater low-temperature resistance of organic (resin) ion exchangers Special application: Ion exchange was in the foreground in World War II during the Manhattan Project.
3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 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.
Adsorption, Ion Exchange and Catalysis: Design of Operations and Environmental Applications (2006) by Vassilis Inglezakis, Stavros Poulopoulos