| BCV | Municipal wastewater pretreated with Bacillus subtilis for 36 h, then used to culture Chlorella vulgaris for 8 days, followed by self-flocculation |
| BOD | Biological oxygen demand |
| BTCV | Municipal wastewater pretreated with Bacillus subtilis for 36 h, then used to culture Chlorella vulgaris for 8 days, followed by bioflocculation with Trichoderma viride |
| CFU | Colony-forming unit |
| CK | Untreated municipal wastewater control (no Bacillus subtilis or Chlorella vulgaris) |
| COD | Chemical oxygen demand |
| CV | Chlorella vulgaris cultured in municipal wastewater for 8 days, followed by self-flocculation |
| DS | Dissolved solids |
| GA | Gibberellic acid |
| IAA | Indole-3-acetic acid |
| LB | Luria–Bertani medium |
| MW | Municipal wastewater |
| MWTB | Municipal wastewater pretreated with Bacillus subtilis |
| PDA | Potato dextrose agar |
| SS | Suspended solids |
| TCV | Chlorella vulgaris cultured in municipal wastewater for 8 days, followed by bioflocculation with Trichoderma viride |
| TN | Total nitrogen |
| TP | Total phosphorus |