High Temperature Electrostatic Precipitation Fundamentals Phenomena And Feasibility
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High-Temperature Electrostatic Precipitation: Fundamentals, Phenomena and Feasibility
Author | : Patrick Bürger |
Publisher | : Cuvillier Verlag |
Total Pages | : 221 |
Release | : 2023-07-03 |
Genre | : Science |
ISBN | : 3736968396 |
Particle separation from hot gases is a challenging task, especially for nanoparticles. Therefore, it is usually avoided by quenching the hot gas to conduct particle separation at a more convenient temperature. In these cases, valuable high-caloric heat is either not utilized at all or only inefficiently because of particle deposition on the heat exchanger surfaces. Valuable potential is thus wasted, as high-temperature processes are already an essential part of many industries and become increasingly relevant for other industrial sectors (e.g., pyrolytic processes in the circular economy). To reduce operating costs and environmental impact, the efficient use of resources (especially fossil fuels) is an absolute necessity. To tackle this pending problem, the concept of high-temperature electrostatic precipitation is investigated in this doctoral thesis. In an electrostatic precipitator, particles are charged by charge carriers produced in a corona discharge near the discharge electrode. Charged particles migrate due to the electric field and subsequently precipitate onto the collection electrode. This doctoral thesis clearly demonstrates the feasibility of nanoparticle removal from hot gases at up to 1073 K (800 °C) using electrostatic precipitation while presenting novel insights into the charge carrier properties and their distribution, the influence of thermionic emission on the operation of electrostatic precipitators, and the fundamentals of particle charging at high temperatures.
Feasibility of Electrical Precipitation at High Temperatures and Pressures
Author | : C. C. Shale |
Publisher | : |
Total Pages | : 28 |
Release | : 1963 |
Genre | : Electrostatic precipitation |
ISBN | : |
Development of a High-temperature/high-pressure Electrostatic Precipitator
Author | : J. R. Bush |
Publisher | : |
Total Pages | : 70 |
Release | : 1977 |
Genre | : Electrostatic precipitation |
ISBN | : |
The feasibility of electrostatic precipitation at temperatures and pressures varying from room conditions to 1366K and 3550 kPa, respectively, has been demonstrated in a laboratory wire-pipe electrode system. Subject to appropriate choices of polarity and pressure, stable corona discharges are obtained at all temperatures. Current-voltage characteristics for both polarities are reported for dry air, a simulated combustion gas, and a substitute fueld gas. The effects of temperature, pressure, and electrode geometry on sparkover voltages, corona-starting voltage and current are evealuated. It is recommended that this study be extended to pilot coal gasifiers and fluidized-bed combustors to obtain detailed design data, and permit determination of collection efficiencies and precipitate characteristics under actual operating conditions. A preliminary cost estimate is presented for a precipitator intended for use in connection with a commercial fluidized-bed combustor and turbine system.
Applied Electrostatic Precipitation
Author | : K.R. Parker |
Publisher | : Springer Science & Business Media |
Total Pages | : 537 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9400915535 |
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.
Handbook of Electrostatic Processes
Author | : Jen-Shih Chang |
Publisher | : CRC Press |
Total Pages | : 786 |
Release | : 1995-02-08 |
Genre | : Technology & Engineering |
ISBN | : 9781420066166 |
"Provides detailed, comprehensive descriptions of electrostatic processes as well as their applications in areas such as rheology, atomization and spraying, industrial dust particle precipitation and filtering, biomedical engineering, gas treatments, atmospheric electricity, chemical reactors, and electronic devices. Summarizes electrostatic fundamentals and electrical phenomena in solids and fluids."
Electrostatic Precipitation
Author | : Keping Yan |
Publisher | : Springer Science & Business Media |
Total Pages | : 739 |
Release | : 2010-07-19 |
Genre | : Technology & Engineering |
ISBN | : 3540892516 |
"Electrostatic Precipitation" includes selected papers presented at the 11th International Conference on Electrostatic Precipitation. It presents the newest developments in electrostatic precipitation, flue gas desulphurization (FGD), selective catalytic reduction (SCR), and non-thermal plasma techniques for multi-pollutants emission control. Almost all outstanding scientists and engineers world-wide in the field will report their on-going researches. The book will be a useful reference for scientists and engineers to keep abreast of the latest developments in environmental science and engineering.
Conference Record, Industry Applications Society : IEEE-IAS 1978 Annual Meeting : Papers Presented at the Thirteenth Annual Meeting, Royal York Hotel, Toronto, Ontario, October 1-5, 1978
Author | : IEEE Industry Applications Society. Meeting |
Publisher | : |
Total Pages | : 1388 |
Release | : 1978 |
Genre | : Electrical engineering |
ISBN | : |