Extraction of contaminants from a gas

Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge

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204177, 204179, H05F 300

Patent

active

060276169

ABSTRACT:
A method of treating industrial gases to remove contaminants is disclosed. Ions are generated in stream of injectable gas. These ions are propelled through the contaminated gas as it flows through a collection unit. An electric field is applied to the contaminated gas. The field causes the ions to move through the contaminated gases, producing electrical charges on the contaminants. The electrically charged contaminants are then collected at one side of the electric field.
The injectable gas is selected to produce ions which will produce reactions with particular contaminants. The process is thus capable of removing particular contaminants. The process does not depend on diffusion as a transport mechanism and is therefore suitable for removing contaminants which exist in very low concentrations.

REFERENCES:
patent: 3702973 (1972-11-01), Daugherty et al.
patent: 3831052 (1974-08-01), Knechtli
patent: 3883413 (1975-05-01), Douglas-Hamilton
patent: 3891561 (1975-06-01), Lowther
patent: 3933608 (1976-01-01), Haas et al.
patent: 3970892 (1976-07-01), Wakalopulos
patent: 3983021 (1976-09-01), Henis
patent: 3984697 (1976-10-01), Lowther
patent: 4086152 (1978-04-01), Rich et al.
patent: 4095115 (1978-06-01), Orr et al.
patent: 4313739 (1982-02-01), Douglas-Hamilton
patent: 4416748 (1983-11-01), Stevens
patent: 4650555 (1987-03-01), Rzad
patent: 4657738 (1987-04-01), Kanter
patent: 4695358 (1987-09-01), Mizuno
patent: 4774062 (1988-09-01), Heinemann
patent: 4954320 (1990-09-01), Birmingham et al.
patent: 4966152 (1990-10-01), Keough
patent: 5078492 (1992-01-01), Fraser
patent: 5096054 (1992-03-01), Scherson
patent: 5120516 (1992-06-01), Ham et al.
patent: 5184016 (1993-02-01), Ronan et al.
patent: 5236672 (1993-08-01), Nunez et al.
patent: 5279669 (1994-01-01), Lee
patent: 5283050 (1994-02-01), Gray
patent: 5284556 (1994-02-01), Rich
patent: 5405514 (1995-04-01), Berman et al.
patent: 5410871 (1995-05-01), Masters et al.
patent: 5414324 (1995-05-01), Roth et al.
patent: 5458748 (1995-10-01), Breault et al.
patent: 5460701 (1995-10-01), Parker et al.
patent: 5490398 (1996-02-01), Cline
patent: 5545379 (1996-08-01), Gray
patent: 5547643 (1996-08-01), Nomoto et al.
patent: 5549795 (1996-08-01), Gregoire et al.
patent: 5591334 (1997-01-01), Shimizu et al.
patent: 5637198 (1997-06-01), Breault et al.
patent: 5655210 (1997-08-01), Gregoire et al.
patent: 5663476 (1997-09-01), Cripe
patent: 5779991 (1998-07-01), Jenkins
Tetsuji, O, etal, Nitric Oxide Decomposition in Air by Using Nonthermal Plasma Processing with Additives an Catalyst, IEEE Transactions on Industry, vol. 4, No. 2, Mar./Apr. 1998.
Heath, W., etal., Development and Analysis of high-Energy Corona Process for Air Purification, PNNL-SA-24432, Pacific Northwes Laboratory. No month avilable.
Cummings, M., etal, A Summary of the Cost Effectiveness of Innovative Off-Gas Treatment Technologies, LA-UR-96-1253. No month available.
Sunner,J., etal, "Sensitivity Enhancements obtained at High Temperatures in Atmospheric Pressure Ionization Mass Spectrometry", 1988, Analytical Chemistry. No month available.
Suhr, A., etal, Reduction of Nitric Oxide in Flue Gases by Applying aCorona Discharge with Catalytical Coatings in the Plane Electrode, 1990, pp 101-115. No month available.
Kipp, E., etal, "An Electrochemical Flow Reactir for Oxidation of Hydrocarbon Pollutants", The Canadian Journal of Chemical Engineering, vol. 51, Aug. 1973, pp 494-498.
Green, D., etal, "Characterization of Plasma Proceses in the Destruction of Volatile Organic Compounds", pp 87-99. No month available.
Ohkubo, T., etal, "Time Dependence of NOX Removal Rate by a Corona Radial Shower System" 0-7803-1933-1/94, 1994, IEEE, pp 1570-1582. No month available.
Eliasson, B., etal, "Modeling and Applications of Silent Discharge Plasmas", 0093-3815/94/0400 1991, IEEE, pp 309-322. No month available.
Ruchti, C., etal, "Ablation Controlled Arcs", 0093-3813/86/0800-0423, 1986, IEEE, pp 423-434 IEEE Transactions on Plasma Gas vol. PS-14, No. 2 Aug. 1986.
Burton, R., etal, "Energy-Mass Coupling in High-Pressure Liquid-Injected Arcs", 0093-3813/9/0400/-0340, IEEE, 1991 pp 340-349, IEEE Transactions of Plasma Science, Apr. 1991.
Heath, etal, "Nonthermal Plasma Technology for Organic Destruction", PNL-SA-25844. No date available.
Urashima, K., etal., "Reduction of NOx from Natural Gas Commbustion Flue Gases by Corona Discharge Radical Injection Techniques", 0093-9994/98510.11, 1998 IEEE, pp. 934-939. No month available.

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