Evaluation of Different Wastewater Treatment Processes and Development of a Modified Attached Growth Bioreactor as a Decentralized Approach for Small Communities

Table 2

The comparison of the characteristics of residential wastewater and municipal sewage wastewater.

Parameters	Locate
	Residential	Municipal sewage
Temperature °C	28.86±0.6	27.5±0.68
pH	7.10±0.26	7.12±0.12
COD (mg/L)	632±29.15	420.3±52.02
BOD5 (mg/L)	324.03±17	234.5±22.30
TSS (mg/L)	226.20±22.10	157.4±10.50
NH3-N (mg/L)	38.50±2.03	32.24±3.72
PO4-P (mg/L)	10.48±0.80	8.37±0.57
MPN/100 mL	5.66×10^6±1.7×10^6	5.26×10^6±1.58×10^6
TVC (cfu/mL)	2.91×10^7±5.04×10^6	1.04×10^7±7.38×10^6

The values represent the mean of five replicates ± standard error (SE).