Table 1.
Leachate characteristics obtained from the municipal landfill of Qaem-Shahr city
| Parameter* | Unit |
Value |
||
|---|---|---|---|---|
| Minimum | Maximum | Mean ± SD | ||
| pH |
- |
8.24 |
8.26 |
8.25 ± 0.01 |
| Temperature |
°C |
19.50 |
21.50 |
20.50 ± 1 |
| COD |
mg /L |
3923 |
3995 |
3960 ± 36 |
| BOD5 |
mg /L |
46.50 |
48.20 |
47.40 ± 0.85 |
| TKN |
mg N/L |
502.0 |
550 |
532 ± 26 |
| Ortho-phosphorous |
mg P/L |
91.60 |
91.65 |
91.62 ± 0.03 |
| Fe |
mg /L |
81.0 |
81.90 |
81.90 ± 0.5 |
| Cu |
mg /L |
1.95 |
2.10 |
2 ± 0.08 |
| Pb |
mg /L |
ND |
ND |
ND |
| Cd |
mg /L |
ND |
ND |
ND |
| Total Cr | mg /L | 2.70 | 2.78 | 2.75 ± 0.04 |
* For all parameters, three samples were analyzed.
ND: no detectable.