Prediction of Biogas Yield from Codigestion of Lignocellulosic Biomass Using Adaptive Neuro-Fuzzy Inference System (ANFIS) Model

Table 4

Comparison of methane yield of previous and present study.

Biomass	Pretreatment	Methane yield	Reference
Cow dung	Untreated	6.50 L	Zulkifi et al. [39]
Cow dung	Screening (enzymatic hydrolysis process)	6.91 L	Zulkifi et al. [39]
Plantain peels	NR	<30 mL	Makinde and Odokuma [40]
Plantain peels and cow dung	NR	>30 mL	Makinde and Odokuma [40]
Yam peels	NR	<35 mL	Makinde and Odokuma [40]
Yam peels and cow dung	NR	>35 mL	Makinde and Odokuma [40]
Shorea wood waste and cow dung	Soaking and filtration	1999 mL against 822 mL (individual digestion)	Amirta et al. [41]
Grass and cow dung	Untreated	179.59 mL /g	Prapinagsorn et al. [42]
Silage and cow dung	Untreated	208.11 mL /g	Prapinagsorn et al. [42]
Grass and cow dung	Alkaline plus enzyme treatment	333.63 mL /g	Prapinagsorn et al. [42]
Silage and cow dung	Alkaline plus enzyme treatment	301.38 mL /g	Prapinagsorn et al. [42]
Cow dung	NR	1301.7	Ogunkunle et al. [31]
Cow dung and jatropha cake	NR	2656.0	Ogunkunle et al. [31]
Cow dung	NR	0.31 mL·kg	Asante-Sackey et al. [43]
Cow dung and miscanthus fuscus	NR	0.46 mL·kg	Asante-Sackey et al. [43]
Sawdust waste, cow dung, and water hyacinth	NR	8–9% increment	Madu and Onwuamaeze [44]
Cow dung	Untreated	0.63–5.84 L/week	Kargwal et al. [45]
Cow dung and pawpaw straw	Pawpaw soaked	0.73–5.87 L/week	Kargwal et al. [45]
Cow manure	NR	439 mL/g	Wei et al. [46]
Maize straw	NR	198.33 mL/g	Wei et al. [46]
Cow manure and maize straw	NR	613.8 mL/g	Wei et al. [46]
Cow manure, maize straw, and sewage sludge	NR	8052.0 mL/g	Wei et al. [46]
Organics	Untreated	53%	Vrabie [47]
Petrochemicals	Untreated	56%	Vrabie [47]
Paper	Untreated	51%	Vrabie [47]
Wood	Untreated	52%	Vrabie [47]
Leather	Untreated	34%	Vrabie [47]
Cotton and wool	Untreated	65%	Vrabie [47]
Acacia leaf waste	Untreated	49.0 ± 5.3%	Hirunsupachote et al. [48]
Acacia leaf waste	Alkaline pretreatment	199.6 ± 9.0%	Hirunsupachote et al. [48]
Sewage sludge and organic fraction of municipal solid waste	Untreated	61%	Ferrentino et al. [49]
Water hyacinth (Eichhornia crassipes)	Untreated	213.92 mL g^−1 VS	Keche et al. [50]
Cow dung	Untreated	62.52%	Present study [38]
Mango pulp	Untreated	51.81%	Present study [38]
Chromolaena odorata	Untreated	52.79%	Present study [38]
Cow dung and mango pulp	Untreated	52.89%	Present study [38]
Cow dung and Chromolaena odorata	Untreated	66.85%	Present study [38]
Mango pulp and Chromolaena odorata	Untreated	61.57%	Present study [38]

NR: not reported (a compilation of the [38]).