The Dry Removal Process of Sulphur Dioxide from Flue Gases Using Aluminum Oxide PDF Download
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Author: Ching-Hwang Lu
Publisher:
ISBN:
Category : Flue gases
Languages : en
Pages : 85
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Book Description
Oxidation of sulfur dioxide to sulfur trioxide and absorption on aluminum oxide pellet as a mean of removing sulfur dioxide from flue gas was studied in a packed bed reactor at various temperatures, residence times, SO2 inlet concentrations (ppm level), and particle sizes. Three different experiments were conducted: (i) sulfation with oxygen/ozone, (ii) sulfation with oxygen only in the presence of UV radiation (254 nm or 366 nm), (iii) sulfation with oxygen only. In all the experiments substantial absorption of sulfur dioxide by alumina pellet was observed. Sulfation with oxygen/ozone give the highest absorption of SO2, followed by sulfation with oxygen in the presence of UV radiation, while sulfation with oxygen only had the lowest absorption. In all these experiments, the absorption of SO2 decreases with increasing SO2 concentration, increases with increasing residence time, and increases with decreasing particle size. At SO2 concentration of 8,352 ppm, residence time of 0.018 sec., and particle size of 0.3175 cm, sulfation with oxygen/ozone and sulfation with oxygen only in the presence of UV radiation attain maximum absorption at about 275°C, whereas sulfation with oxygen only attains maximum absorption at about 640°C.
Author: Ching-Hwang Lu
Publisher:
ISBN:
Category : Flue gases
Languages : en
Pages : 85
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Book Description
Oxidation of sulfur dioxide to sulfur trioxide and absorption on aluminum oxide pellet as a mean of removing sulfur dioxide from flue gas was studied in a packed bed reactor at various temperatures, residence times, SO2 inlet concentrations (ppm level), and particle sizes. Three different experiments were conducted: (i) sulfation with oxygen/ozone, (ii) sulfation with oxygen only in the presence of UV radiation (254 nm or 366 nm), (iii) sulfation with oxygen only. In all the experiments substantial absorption of sulfur dioxide by alumina pellet was observed. Sulfation with oxygen/ozone give the highest absorption of SO2, followed by sulfation with oxygen in the presence of UV radiation, while sulfation with oxygen only had the lowest absorption. In all these experiments, the absorption of SO2 decreases with increasing SO2 concentration, increases with increasing residence time, and increases with decreasing particle size. At SO2 concentration of 8,352 ppm, residence time of 0.018 sec., and particle size of 0.3175 cm, sulfation with oxygen/ozone and sulfation with oxygen only in the presence of UV radiation attain maximum absorption at about 275°C, whereas sulfation with oxygen only attains maximum absorption at about 640°C.
Author: Nejat Yildirim
Publisher:
ISBN:
Category : Flue gases
Languages : en
Pages : 146
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Book Description
Author: Daniel Bienstock
Publisher:
ISBN:
Category : Flue gases
Languages : en
Pages : 40
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Book Description
Author: Daniel Bienstock
Publisher:
ISBN:
Category : Gases
Languages : en
Pages : 648
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Book Description
Author: Andrew G. Sharkey
Publisher:
ISBN:
Category : Carbides
Languages : en
Pages : 718
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Author: Daniel Bienstock
Publisher:
ISBN:
Category : Gases
Languages : en
Pages : 64
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Book Description
Author: M. Michael Miller
Publisher:
ISBN:
Category : Flue gases
Languages : en
Pages : 720
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Book Description
Contains 4,101 references on FGD [Flue Gas Desulfurization] ... primarily from 1982 through June 1993. Complements the "Flue Gas Desulfurization and Denitrification" bibliography published by the U.S. Dept. of Energy in Jan. 1985. References were located on the Energy, Science and Technology, Pollution Abstracts, and Environmental Bibliography databases. Primarily covers FGD and the use of industrial minerals in the desulfurization process or in by-product utilization and disposal. Emphasizes post-combustion removal of sulfur dioxide through processes such as in-duct injection and wet and dry scrubbing.
Author: Barbara Toole-O'Neil
Publisher: Springer Science & Business Media
ISBN: 9780792383468
Category : Nature
Languages : en
Pages : 912
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Book Description
Dry sulfurization processes offer the significant advantages of low capital and low operating costs when compared to wet desulfurization. They hold great potential for the economical reduction of sulfur emissions from power utilities that use high-sulfur coal. Dry Scrubbing Technologies for Flue Gas Desulfurization represents a body of research that was sponsored by the State of Ohio's Coal Development Office for the development of technologies that use coal in an economic, environmentally-sound manner. One of the project's major goals was the development of dry, calcium-based sorption processes for removing sulfur dioxide from the combustion gases produced by high-sulfur coal. Dry Scrubbing Technologies for Flue Gas Desulfurization highlights a number of fundamental research findings that have had a significant and lasting impact in terms of scientific understanding. For example, the experimental investigation of the upper-furnace sulfur capture obtained time-resolved kinetic data in less than 100 millisecond time-scales for the first time ever, thereby revealing the true nature of the ultra-fast and overlapping phenomena. This was accomplished through the development of a unique entrained flow reactor system. The authors also identify a number of important areas for future research, including reaction mechanisms, sorbent material, transport effects, modeling, and process development. Dry Scrubbing Technologies for Flue Gas Desulfurization will appeal to both chemical and environmental engineers who examine different ways touse coal in a more environmentally benign manner. It will make an essential reference for air pollution control researchers from coal, lime, cement, and utility industries; for government policy-makers and environmental regulatory agencies; and for those who teach graduate courses in environmental issues, pollution control technologies, and environmental policy.
Author:
Publisher:
ISBN:
Category : Flue gases
Languages : en
Pages : 28
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Book Description
Author: United States. Federal Power Commission
Publisher:
ISBN:
Category : Desulfurization
Languages : en
Pages : 82
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Book Description
