Flash Reaction Processes: 282 - Rilegato

 
9780792333234: Flash Reaction Processes: 282

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This text brings together contributions by researchers working on metal refining processes, mineral calcination processes and the plasma processing of ceramics. Distinctive features and problems common to these processes are discussed and compared: some physical and/or chemical transformation of an inorganic material is sought by means of very rapid heating and cooling; the feed materials are usually in particular form, often finely divided; the heating is achieved by combustion gases, plasma jets or microwaves; and the products are of scientific and/or commercial interest. The contributions have been grouped as follows: (i) fundamental studies of the physics and chemistry of processes driven by the rapid heating of particles of reactive material; (ii) mathematic modelling of such processes; (iii) experimental studies on the laboratory scale; (iv) experience from the operation of pilot scale and full scale flash reactors; and (v) processes which may benefit from the application of flash heating technology. The book should be of interest to anyone working on fundamental or applied aspects of modern metal refining, mineral processing, plasma ceramic coating technology, rapid prototyping or other processes which require controlled transformation of reactive or nonreactive particles by short duration heating and cooling cycles.

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Contenuti

Section 1 Basic Physics and Chemistry of Rapid Thermal Transformations.- 1. Structural chemistry of thermal processes accompanying flash calcination.- 2. Physical and chemical transformations of kaolinite caused by flash calcination.- 3. Thennochemical activation of crystalline compounds.- Section 2 Specialised Experimental Techniques used to Study Fast Thermally Driven Processes.- 1. Monitoring particle impact on a substrate during plasma spray process.- 2. Solid state NMR:a characterisation tool for flash calcines.- Section 3 Modelling of Flash Reaction Processes.- 1. Solid combustion synthesis of silicon-containing high-temperature materials.- 2. Experimental and mathematical investigation of the flash combustion of copper sulfide particles in a turbulent gas jet.- 3. Modelling the burners and reaction shaft of a flash smelting furnace.- 4. Modelling the impact of particles on a rigid substrate under plasma spraying conditions.- Section 4 Design and Development of Commercial Flash Reactors.- 1. Outokumpu flash technology — recent commercial applications.- 2. Flash reduction of metal oxides.- 3. Prototyping flash calciners for the manufacture of synthetic pozzolana from kaolinite clay.- 4. Cyclone flash reactors — fundamentals and applications in iron ore reduction.- Section 5 Some Applications of Microwave Heating.- 1. Microwave calcination of hydrated borax compounds.- 2. Microwave heating of asphalt-mix.- 3. Reduction of chemical oxygen demand of Kestelek colemanite by chemically enhanced decrepitation.

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9789401041362: Flash Reaction Processes: (Closed)): 282

Edizione in evidenza

ISBN 10:  9401041369 ISBN 13:  9789401041362
Casa editrice: Springer, 2012
Brossura