Research Article
Actual Application of a H2-Based Polyvinyl Chloride Hollow Fiber Membrane Biofilm Reactor to Remove Nitrate from Groundwater
Table 1
Water quality for the groundwater.
| | Total dissolved solids (mg/L) | pH | DO (mg/L) | Alkalinity (mg/L as CaCO3) | Hardness (mg/L as CaCO3) | Nitrate (mg N/L) | Nitrite (mg N/L) | Sulfate
(mg/L) |
| | 300–400 | 7.5~7.8 | 5.5~6.5 | 400~600 | 150~250 | 45~55 | ND | 80~90 |
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