Thermophilic Solid-State Anaerobic Digestion of Corn Straw, Cattle Manure, and Vegetable Waste: Effect of Temperature, Total Solid Content, and C/N Ratio

Table 3

Effect of T, ISC, and C/N ratio on the biogas yield, pH, and TAN concentration after 20 d of SS-AD.

Run				Biogas yield (mL gVS^-1)	pH	TAN concentration (mg kg^-1)
	A : T	B : ISC	C : C/N
1	40	17.5	23.5	71.12	8.46	1640.7
2	60	17.5	23.5	147.2	8.67	1807.1
3	40	32.5	23.5	32.60	8.02	2437.1
4	60	32.5	23.5	40.12	8.16	3281.9
5	40	25	15	212.9	8.89	1889.6
6	60	25	15	47.42	8.41	3613.4
7	40	25	32	2.80	7.49	1925.9
8	60	25	32	51.31	8.13	2066.2
9	50	17.5	15	198.1	8.69	2275.4
10	50	32.5	15	130.7	8.85	3367.3
11	50	17.5	32	26.89	6.06	1836.3
12	50	32.5	32	136.5	8.78	2343.7
13	50	25	23.5	261.8	8.67	1888.4
14	50	25	23.5	247.1	8.70
15	50	25	23.5	225.5	8.64
16	50	25	23.5	217.9	8.61
17	50	25	23.5	227.2	8.57