Selection of reactive solvent for pollution abatement of NOx

Jethani, K. R. ; Suchak, N. J. ; Joshi, J. B. (1990) Selection of reactive solvent for pollution abatement of NOx Gas Separation & Purification, 4 (1). pp. 8-28. ISSN 0950-4214

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Absorption of NO by liquid absorbents is an important process for pollution abatement. A critical review has been presented for the various reactive solvents recommended for the absorption of NO. A mathematical model has been developed for sizing of packed columns and bubble columns for the absorption of NO. The dimensions of the equipment have been found for 10 reactive solvents and over a wide range of liquid and gas velocities. Several liquid absorbents, namely FeSO4/H2SO4, Fe(II)EDTA, KMnO4/NaOH, NaClO2/NaOH, Na2S/NaOH, Na2S2O4/NaOH, H2O2, Na2SO3, FeSO4/Na2SO3, and urea have been considered. A procedure has been developed for the selection of the most economic system for the absorption of NO. Economic analysis was done for the various systems based on fixed and variable costs, materials of construction and additional cost for the regeneration of chemicals and recovery of NO gas.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:NOx; Absorption; Pollution Abatement
ID Code:61134
Deposited On:13 Sep 2011 10:52
Last Modified:13 Sep 2011 10:52

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