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. 2014 Jul 22;9(7):e102548. doi: 10.1371/journal.pone.0102548

Table 3. Performance parameters of three reactors with different total solids contents.

Reactor	SRT (d)	OLR (Kg VS m⁻³d⁻¹)	Y _biogas ^a (LBiogas gVS⁻¹ _added)	CH₄ (%)	Y_methane ^b (L CH₄ g VS⁻¹ _added)	VS_r ^c (%)	SBP^d (L Biogas gVS⁻¹ _removed)	SMP^e (LCH₄ gVS⁻¹ _removed)	BP^f (Biogas L⁻¹d⁻¹)	MP^g (LCH₄ L⁻¹d⁻¹)
R1(5%)	20	2.35	0.70±0.02	52.5±2.1	0.37±0.01	80.1±2.4	0.88±0.02	0.46±0.01	1.65±0.06	0.87±0.03
R2(15%)	20	7.01	0.76±0.01	54.2±2.7	0.41±0.01	82.4±2.2	0.92±0.05	0.50±0.01	5.36±0.2	2.90±0.07
R3(20%)	20	9.41	0.87±0.02	55.1±2.6	0.48±0.01	85.6±2.6	1.01±0.04	0.56±0.02	8.21±0.34	4.52±0.05

^a

Y_biogas: biogas yield.

^b

Y_methane: methane yield.

^c

VS_r: VS reduction.

^d

SBP: specific biogas production rate based on removed VS.

^e

SMP: specific methane production rate based on removed VS.

^f

BP: volumetric biogas production rate.

^g

MP: volumetric methane production rate.