Land treatment of wastewater 423Figure 8.10 TOC fraction remaining versus distance down-slope; application rate study
with screened raw wastewater (Smith and Schroeder 1985)
Table 8.10 Intercepts (A) and rate constants (k) of Equation 8.13 (adapted from
Witherow and Bledsoe 1986)
Pollutants A k (m/hr)
TSS 0.44-0.96 0.024-0.056
BOD 5 0.58-0.88 0.030-0.046
TOC 0.57-0.88 0.016-0.039
NH 4 -N 0.99-1.12 0.016-0.054
Distance down slope(m)TOC fraction remaining (C-7/C)o