Biogas Production and Biofertilizer Estimation from Anaerobic Co-Digestion of Blends of Wastewater and Microalgae

Table 3

Characteristics of feedstock after digestion.

Parameters	Unit	WW alone	WW : MA (3 : 1)	WW : MA (3 : 2)
pH	x	5.80 ± 0.08	6.03 ± 0.09	6.00 ± 0.08
TS	mg/l	1342.33 ± 1.93	1161.41 ± 2.01	973.91 ± 2.52
VS	mg/l	503.97 ± 2.74	414.13 ± 2.94	338.33 ± 3.31
BOD5	mg/l	291.70 ± 4.26	216.46 ± 4.30	186.43 ± 3.90
COD	mg/l	583.70 ± 2.60	433.25 ± 2.28	361.99 ± 4.18
DO	mg/l	5.57 ± 0.30	6.30 ± 0.42	6.47 ± 0.38
TP	mg/l	3.07 ± 0.12	3.58 ± 0.10	3.61 ± 0.13
TK	mg/l	10.43 ± 0.69	7.82 ± 0.46	6.85 ± 0.06
TN	mg/l	50.99 ± 0.79	55.10 ± 1.44	60.66 ± 0.61
TC	col/100 ml	11310^4	6810^4	2310^4
FC	col/100 ml	6410^4	4010^4	1210^4