Production of 1,3-PDO and butanol by a mutant strain of Clostridium pasteurianum with increased tolerance towards crude glycerol

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Table 1 Comparison of fermentation data obtained in this study with a related study

	Technical grade glycerol(Jensen et al.[2012])	Stored crude glycerol + activated stone carbon (Jensen et al.[2012])	Stored crude glycerol + activated stone carbon
	*Wild type*	*Wild type*	*MNO6*
Maximum Glycerol rate	4.94 g/l/h	4.08 g/l/h	7.59 g/l/h
Maximum 1,3-PDO rate	0.64 g/l/h	0.91 g/l/h	1.21 g/l/h
Maximum Butanol rate	1.21 g/l/h*	1.30 g/l/h	1.80 g/l/h
Butanol yield	264 mmol/mol	280 mmol/mol	252 mmol/mol
1,3-PDO yield	217 mmol/mol	169 mmol/mol	251 mmol/mol
Ethanol yield	164 mmol/mol	55 mmol/mol	18 mmol/mol
Carbon Recovery	97%	88%	87%