Comparison of mineral acid pretreatments for sulfide removal
Journal Article
·
· Journal of the American Water Works Association
OSTI ID:349003
- Boyle Engineering Corp., Orlando, FL (United States)
- Orange County Utilities, Orlando, FL (United States)
To determine water quality effects on groundwater treatment for hydrogen sulfide, the authors compared sulfuric acid (H{sub 2}SO{sub 4}) and carbonic acid for ph adjustment pretreatment in a pilot-scale randomly oriented packed tower. Pretreatment with either H{sub 2}SO{sub 4} or carbon dioxide (CO{sub 2}) to pH 6.0 resulted in > 95% sulfide removal for tower feedwater sulfide concentrations of 2.5 mg/L. However, utilization of H{sub 2}SO{sub 4} for pH adjustment resulted in a loss of alkalinity in the finished water and an increase in sulfur (as sulfate), whereas CO{sub 2} pretreatment preserved alkalinity in the finished water and did not increase sulfur (as sulfate).
- OSTI ID:
- 349003
- Journal Information:
- Journal of the American Water Works Association, Journal Name: Journal of the American Water Works Association Journal Issue: 5 Vol. 91; ISSN 0003-150X; ISSN JAWWA5
- Country of Publication:
- United States
- Language:
- English
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