Back to Search
Start Over
Experimental Study on Denitration Performance of Iron Complex-Based Absorption Solutions and Their Regeneration by Zn
- Source :
- Energy & Fuels. 33:8998-9003
- Publication Year :
- 2019
- Publisher :
- American Chemical Society (ACS), 2019.
-
Abstract
- To remove NO in flue gas, complex solution denitration is one of the most effective methods at room temperature. NO removal efficiency is related to the concentration of metal ions and ligands in the absorption solution. The experiments to remove NO in simulated flue gas were carried out by using iron complexation with EDTA disodium salt and sodium citrate as ligands. The NO removal efficiency was determined by mixing ammonium ferrous sulfate, disodium EDTA, and sodium citrate in various ratios. The experimental results revealed a 1:1:1 ratio as optimum for NO removal efficiency and cost-effectiveness of the process. By reducing and regenerating the absorption solution with zinc particles, the regeneration efficiency of Fe(II)L (L represents an amino carboxylic acid ligand) is above 70%, and the NO absorbed by the iron complex is reduced to form nitrogen and ammonium salt. The effects of different factors on the NO removal efficiency during the spraying process were investigated. The optimum conditions of...
- Subjects :
- chemistry.chemical_classification
Flue gas
Chemistry
General Chemical Engineering
Metal ions in aqueous solution
Energy Engineering and Power Technology
Salt (chemistry)
chemistry.chemical_element
02 engineering and technology
Zinc
021001 nanoscience & nanotechnology
Nitrogen
chemistry.chemical_compound
Fuel Technology
020401 chemical engineering
Sodium citrate
Ammonium
0204 chemical engineering
Absorption (chemistry)
0210 nano-technology
Nuclear chemistry
Subjects
Details
- ISSN :
- 15205029 and 08870624
- Volume :
- 33
- Database :
- OpenAIRE
- Journal :
- Energy & Fuels
- Accession number :
- edsair.doi...........2dca66088104cc7f18acb4315f5df887