Metal regeneration of iron chelates in nitric oxide scrubbing
Abstract
The present invention relates to a process of using metal particles to reduce NO to NH{sub 3}. More specifically, the invention concerns an improved process to regenerate iron (II) (CHELATE) by reduction of iron (II) (CHELATE) (NO) complex, which process comprises: (a) contacting an aqueous solution containing iron (II) (CHELATE) (NO) with metal particles at between about 20 and 90 C to reduce NO present, produce ammonia or an ammonium ion, and produce free iron (II) (CHELATE) at a pH of between about 3 and 8. The process is useful to remove NO from flue gas and reduce pollution. 34 figs.
- Inventors:
- Issue Date:
- Research Org.:
- Univ. of California (United States)
- Sponsoring Org.:
- USDOE, Washington, DC (United States)
- OSTI Identifier:
- 527767
- Patent Number(s):
- 5658545
- Application Number:
- PAN: 8-412,706
- Assignee:
- Univ. of California, Oakland, CA (United States)
- DOE Contract Number:
- AC03-76SF00098
- Resource Type:
- Patent
- Resource Relation:
- Other Information: PBD: 19 Aug 1997
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 54 ENVIRONMENTAL SCIENCES; NITRIC OXIDE; REDUCTION; CHELATING AGENTS; REGENERATION; AMMONIA; AMMONIUM COMPOUNDS; AIR POLLUTION CONTROL; FLUE GAS
Citation Formats
Chang, S G, Littlejohn, D, and Shi, Y. Metal regeneration of iron chelates in nitric oxide scrubbing. United States: N. p., 1997.
Web.
Chang, S G, Littlejohn, D, & Shi, Y. Metal regeneration of iron chelates in nitric oxide scrubbing. United States.
Chang, S G, Littlejohn, D, and Shi, Y. Tue .
"Metal regeneration of iron chelates in nitric oxide scrubbing". United States.
@article{osti_527767,
title = {Metal regeneration of iron chelates in nitric oxide scrubbing},
author = {Chang, S G and Littlejohn, D and Shi, Y},
abstractNote = {The present invention relates to a process of using metal particles to reduce NO to NH{sub 3}. More specifically, the invention concerns an improved process to regenerate iron (II) (CHELATE) by reduction of iron (II) (CHELATE) (NO) complex, which process comprises: (a) contacting an aqueous solution containing iron (II) (CHELATE) (NO) with metal particles at between about 20 and 90 C to reduce NO present, produce ammonia or an ammonium ion, and produce free iron (II) (CHELATE) at a pH of between about 3 and 8. The process is useful to remove NO from flue gas and reduce pollution. 34 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1997},
month = {8}
}
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