Table 6.

Degradation of lignocellulosic components in khat waste and Cow dung.

Test Days	KW Cum.CH4 ml/d	Reduction %		CD Cum.CH4 ml/d	Reduction %
		Cellulose	Hemicellulose		Cellulose	Hemicellulose
1	277	2.20	2.34	63	1.06	0.98
2	821	6.52	6.93	121	2.05	1.89
3	1242	9.87	10.49	227	3.86	3.56
4	1643	13.05	13.88	409	6.93	6.40
5	2024	16.08	17.09	632	10.72	9.89
6	2383	18.93	20.12	844	14.31	13.20
7	2740	21.76	23.14	1074	18.22	16.81
8	3045	24.19	25.72	1407	23.87	22.02
9	3344	26.56	28.24	1813	30.75	28.37
10	3631	28.84	30.66	2185	37.07	34.20
11	3914	31.09	33.05	2399	40.69	37.54
12	4195	33.32	35.42	2580	43.76	40.38
13	4452	35.36	37.60	2666	45.21	41.72
14	4694	37.29	39.64	2726	46.24	42.66
15	4870	38.69	41.13	2765	46.89	43.27
16	5023	39.90	42.42	2801	47.50	43.83
17	5163	41.02	43.61	2834	48.08	44.36
18	5279	41.94	44.58	2874	48.74	44.97
19	5374	42.69	45.38	2909	49.35	45.53
20	5455	43.34	46.07	2945	49.96	46.09
21	5500	43.69	46.45	2969	50.37	46.47
22	5521	43.86	46.63	2987	50.67	46.75
23	5535	43.97	46.75	3005	50.96	47.02
24	5550	44.09	46.87	3019	51.20	47.24
25	5563	44.20	46.98	3030	51.40	47.42
26	5577	44.30	47.10	3039	51.55	47.56
27	5589	44.40	47.20	3048	51.70	47.70