Abstract
Struvite crystallization is an effective method for recovery of nitrogen and phosphorus from wastewater, and the operating parameters are crucial to the efficient phosphorus removal and struvite crystallization. In this study, the effects of pH, N-P ratio and Mg-P ratio on the phosphorus recovery from acidified plant oil wastewater were investigated. The results showed that the optimal operating conditions were pH 10, N-P ratio 1.1:1, and Mg-P ratio 1:1. Under the optimized operational conditions, 88.1% of the total phosphorus was removed from the wastewater. The XRD and SEM-EDS results indicated that the precipitate was struvite.
| Original language | English |
|---|---|
| Article number | 012014 |
| Journal | IOP Conference Series: Earth and Environmental Science |
| Volume | 1135 |
| Issue number | 1 |
| DOIs | |
| State | Published - 2023 |
| Event | International Conference on Civil and Environmental Engineering 2022, CENVIRON 2022 - Penang, Malaysia Duration: 29 Aug 2022 → 30 Aug 2022 |
Keywords
- Acidified plant oil wastewater
- Operational conditions
- Phosphorus recovery
- Struvite crystallization
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