Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Parameters measured and characteristics of the raw carwash wastewater used for this study.
| Parameter | Range | Unit | Raw wastewater |
|---|---|---|---|
| Mean±S.D | |||
| pH | 3, 7, 11 | – | 7.08±0.03 |
| Steering time | 30, 60, 90 | min | – |
| Voltage | 10, 20, 30 | Volt | – |
| Electrode type | Al–Al, Fe–Fe, Al–Fe | – | – |
| BOD | – | (mg/L) | (102−246)±207.3 |
| COD | – | (mg/L) | (480−1560)±207.3 |
