Anaerobic Co-Digestion of Human Feces with Rice Straw for Biogas Production: A Case Study in Sunyani

Table 1

Combination of mixtures.

Digester number	Combination ratio of raw materials (%)		Initial weight of TS in raw material (gm)		Initial weight of raw material used (gm) for digestion		Initial weight of TS in combined raw materials (gm)
	HF	RS	HF	RS	HF	RS	HF+RS
D1	100%	0%	16.0	0.0	78.4	0.0	16
D2	90%	10%	14.4	1.6	70.6	1.8	16
D3	80%	20%	12.8	3.2	62.7	3.6	16
D4	70%	30%	11.2	4.8	54.9	5.5	16
D5	60%	40%	9.6	6.4	47.0	7.3	16
D6	50%	50%	8.0	8.0	39.2	9.1	16
D7	40%	60%	6.4	9.6	31.4	10.9	16
D8	30%	70%	4.8	11.2	23.5	12.8	16
D9	20%	80%	3.2	12.8	15.7	14.6	16
D10	10%	90%	1.6	14.4	7.8	16.4	16
D11	0%	100%	0.0	16.0	0.0	18.2	16