Comparison of various microbial inocula for the efficient anaerobic digestion of Laminaria hyperborea

BMC Biotechnology

Table 2 Biogas and methane production from phase II fermenters fed with phase I fermenter leachate

	Inoculum
	1	2	3	4	5	6	7	8
Mean biogas* (mL mmol^-1 acetate)	10.0	12.9	21.4	17.1	14.3	22.9	12.9	22.9
Mean % methane	25.35	0.70	5.40	0.16	18.15	31.98	1.70	36.88
Mean methane volume produced (mL mmol^-1 acetate)	2.3	0.5	0.6	0.1	0.6	7.3	0.1	8.4

*The volume of biogas (expressed as mL mmol^-1 acetate) produced over four weeks from 400 mL of leachate (3.5 mM of acetate) generated in a phase I fermenter.

ISSN: 1472-6750