Remediation of nitrate contaminated surface water using sulfur and limestone autotrophic denitrification
Conference
·
OSTI ID:20014908
A study of the remediation of nitrate contaminated surface water using a sulfur and limestone autotrophic denitrification (SLAD) process was conducted. The system was operated with an influent nitrate-N concentration of 30 mg/L NO{sup {minus}}{sub 3}-N and a hydraulic retention time of 30 days. Nitrate removal efficiency was 95--100% with alkalinity control and 80--85% without alkalinity control. Sulfate production in the system varied greatly under mixed or aerobic conditions (1,500-2,000 mg/L SO{sup 2{minus}}{sub 4}) and unmixed or anaerobic conditions (800--1,100 mg/L SO{sup 2{minus}}{sub 4}).
- Research Organization:
- Univ. of Nebraska, Lincoln, NE (US)
- OSTI ID:
- 20014908
- Country of Publication:
- United States
- Language:
- English
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