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Removal of Ammonia Nitrogen from Wastewater Using Modified Activated Sludge.
- Source :
-
Polish Journal of Environmental Studies . 2016, Vol. 25 Issue 1, p419-425. 7p. - Publication Year :
- 2016
-
Abstract
- The removal of medium-low N-NH4 on activated sludge modified by ferric hydroxide suspension (FHMAS) in batch studies was conducted as a function of pH, concentration of modifier, contact time, and initial concentration. The kinetics study showed that the sorption behavior fit well the pseudo second-order equation. An adsorption isotherms study indicated that FHMAS had a higher adsorption capacity for N-NH4 than other adsorbents. The mechanism of removal of N-NH4 by FHMAS was coexistence of adsorption and cation exchange. Initial N-NH4 concentration being 116 mg/l in metallurgical wastewater was reduced to 11 mg/l after adsorption treatment. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 12301485
- Volume :
- 25
- Issue :
- 1
- Database :
- Academic Search Index
- Journal :
- Polish Journal of Environmental Studies
- Publication Type :
- Academic Journal
- Accession number :
- 112810553
- Full Text :
- https://doi.org/10.15244/pjoes/60859