Applied Electrostatic Precipitation (eBook, PDF)

Redaktion: Parker, K. R.

• Format: PDF

Produktbeschreibung

Many industrial, power generation and chemical processes produce unwanted fine particulate material as a consequence of their operation. Electrostatic precipitation is a highly efficient method of removing entrained particulate contaminants from exhaust gases and is extensively used in these industries to limit particulate emissions. New legislation aimed at improving the environment by further limiting these discharges has resulted in the technique undergoing considerable development over the past decade, to the point where it has become the method of choice, over a wide range of applications, for limiting particulate discharges. In this new book, the editor has brought together an international team of contributors, mainly industrialists and consultants, to produce an authorative and practical guide to electrostatic precipitation. This book is of interest to all those in process industries or power generation and to academics concerned with gas cleaning and environmental issues.

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Produktdetails

• Verlag: Springer Netherlands
• Seitenzahl: 522
• Erscheinungstermin: 6. Dezember 2012
• Englisch
• ISBN-13: 9789400915534
• Artikelnr.: 44180764

Inhaltsangabe

1 Why an electrostatic precipitator?.- 1.1 Introduction.- 1.2 Control system characteristics.- 1.3 Control operating principles.- 1.4 Summary of control system properties.- 2 Milestones in the history of precipitation.- 2.1 Precipitator installations.- 2.2 Development of electrical supplies.- References.- 3 Basic and theoretical operation of ESPs.- 3.1 General remarks.- 3.2 Ion production.- 3.3 Particle charging.- 3.4 Particle migration.- 3.5 Measuring and modelling particle separation.- 3.6 Deposition.- 3.7 Removal.- References.- 4 Mechanical design considerations for dry precipitators.- 4.1 Introduction.- 4.2 Discharge electrodes.- 4.3 Discharge electrode mounting.- 4.4 Collectors.- 4.5 Casings.- 4.6 HT insulators.- 4.7 Rapping.- 4.8 Hoppers.- 4.9 Electrical clearances.- References.- 5 Aerodynamic factors affecting performance.- 5.1 Introduction.- 5.2 Turbulence and secondary flow.- 5.3 Gas velocity.- 5.4 Gas distribution.- 5.5 Model testing.- 5.6 Computational fluid dynamics.- 5.7 Field testing.- 5.8 Dust build-up and wear.- References.- 6 The physical and chemical properties of particles and their effect on performance.- 6.1 Particle size and shape.- 6.2 Optical properties.- 6.3 Agglomeration.- 6.4 Cohesivity.- 6.5 Particle electrical resistivity.- 6.6 Chemical compositon and reactivity.- References.- 7 Performance design considerations.- 7.1 Introduction.- 7.2 What are we trying to achieve?.- 7.3 Assessment of the process.- 7.4 Plate spacing.- 7.5 Configuring the ESP.- 7.6 Conclusions.- References.- 8 Electrical operation of precipitators.- 8.1 Introduction.- 8.2 Precipitator performance and electrical energization.- 8.3 Corona suppression and space charge effects.- 8.4 High tension sectionalization.- 8.5 Traditional DC energization.- 8.6 Intermittent energization.- 8.7 Automatic voltage control and instrumentation.- 8.8 Pulse energization.- 8.9 Supervisory computer control.- Appendix 8A.- Appendix 8B.- References.- 9 Precipitator sizing methods and models of electrostatic precipitators.- Editor's note.- 9A Precipitator sizing methods.- 9B Models of electrostatic precipitators.- 10 Sampling and analysis for particles and heavy metals in gas streams.- 10.1 Sampling and analysis.- 10.2 Heavy metals.- References.- 11 The commissioning of electrostatic precipitators.- 11.1 Introduction.- 11.2 Mechanical commissioning.- 11.3 Electrical commissioning.- 11.4 Process commissioning.- 12 Dry type precipitator applications.- 12.1 Introduction.- 12.2 Power generation industry.- 12.3. The cement industry.- 12.4. General steam-raising plant.- 12.5. Biomass-fired steam-raising plants.- 12.6. Iron and steel works.- 12.7. Non-ferrous industries.- 12.8. Aluminium smelting.- 12.9. Paper and pulp industry.- 12.10 Conclusions.- References.- 13 The wet electrostatic precipitator: design and applications.- 13.1. Introduction.- 13.2. Design considerations.- 13.3. Discharge electrodes.- 13.4. HT insulators.- 13.5. Casing/hopper design.- 13.6. Water treatment.- 13.7. Materials of construction.- 13.8. Electrical energisation.- 13.9. Typical applications of wet precipitators.- 14 The mist precipitator: design and applications.- 14.1 Introduction.- 14.2 Applications of mist precipitators.- 14.3 Conclusions.- 15 Upgrading of existing precipitator efficiencies.- 15A Modifications/changes to existing plant.- 15B Precipitator improvements achieved by changing the electrical resistivity of the particulates.- 15C Theory, principles of operation, equipment and applications of flue gas conditioning.- 16 Possible future developments in the field of electrostaticprecipitation.- 16A Electrical developments.- 16B Use of natural sulphur dioxide as a feed stock for flue gas conditioning systems: flue gas conditioning today and tomorrow.- 16C High temperature/high pressure precipitators for advanced power generation systems.- 16D Computer sizing of precipitators.

Rezensionen

`In this new book, the editor has brought together an international team of contributors, mainly industrialists and consultants, to produce an authoritative and practical guide to electrostatic precipitation.'
Chemical Business

`In this new book, the editor has brought together an international team of contributors, mainly industrialists and consultants, to produce an authoritative and practical guide to electrostatic precipitation.'
Chemical Business