Optimization of biogas yield from lignocellulosic materials with different pretreatment methods: a review

Table 6 Different biological pretreatment applied to the biogas production and yield

S/N	Biomass	Pretreatment	Degradation of hemicellulose (%)	Degradation of lignin	Anaerobic digestion condition	Y_BP	Y_AP	Refs
1	Corn stover	Enzymatic (laccase)	–	–	Batch at 35 °C for 30 days	191.7 mL CH₄	238.4 mL CH₄	[241]
2	Rice straw	Fungal	–	33.4	Batch at 37 °C for 20 days	127 mL CH₄/g VS	263 mL CH₄/g VS	[238]
3	Corn stover silage	Fungal	32.4	22.6	Batch at 37 °C for 30 days	215.5 mL CH₄/g VS	265.1 mL CH₄/g VS	[247]
4	Yard trimmings	Fungal	9.8–16.2	14.8–20.2	Batch at 37 °C for 28 days	20 mL CH₄/g VS	34.9–44.6 mL CH₄/g VS	[266]
5	Sawdust	Microbial consortium, 10 days			Digester 5 L	89.9 mL/g VS	155.2 mL/g VS	[267]
6	Rapeseed stems and leaves	Rumen fluid, 24 h			Reactor 1 L	485.5 mL/g VS	507.9 mL/g VS	[268]
7	Corn stover	Fungi, Pleurotus eryngii, 30 days			Bottle 0.25 L	301.5 mL/g VS	360.4 mL/g VS	[269]
8		Clostridium stercorarium (100–150 °C)	89	33.7			246% increase	[263]
9	Marine macroalgae	β-glucosidase, pectinase, and carboxy-methyl-cellulase (50 °C for 2 h 100 rpm)			Batch 37 °C		54.6% increase	[270]
10	Corn stover	Laccase (30 °C for 24 h.)			Batch mesophilic		25% increase	[241]
11	Cotton stalk	Thermophilic microbial consortium (50 °C for 8 days)			Batch mesophilic		136% increase	[271]
12	Wheat straw	Bacteroidetes (37 °C for 15 days)			Batch mesophilic		80.3% increase	[272]
13	Corn straw	Microaeration (5 mL O₂/g VS at 55 °C)			Batch mesophilic		16.2% increase	[252]

ISSN: 2731-3654