BioOil properties

BioOil properties and how they compare with conventional fuels

Table 1: Comparison of fuel properties – wood based pyrolysis fuel

Parameter	Unit	Analytical methods	BioOil Plus	BioOil	Heating oil #2	Heavy fuel oil
High Heating Value	MJ/kg	DIN51900	18-20	16-19	45.5	42.5
High Heating Value	MJ/L	DIN51900	23-25	19-23	39.4	41.7
Flash Point	oC	ASTM D93	50-60	48-55	38	60
Pour Point	oC	ASTM D97	-11	-15	-6	-
Density (15oC)	Kg/liter	ASTM D4052	1.22-1.3	1.2	0.865	0.986
Acidity	pH	pH meter	2-3	2-3	-	-
Solids (char)	wt %	Insolubles in Ethanol	20-23	0.01-0.2	-	-
Moisture	wt%	Karl Fisher	20-25	20-25	-	< 0.5
Ash	wt %	ASTM D482	<1	<0.02	Trace	0.08
Kinematic Viscosity	cSt	ASTM D445	-	-	-	-
20°C	-	-	1500-3700	70	3-6	2000-9000
40°C	-	-	300-500	19	1.8-3.5	500-1000
60°C	-	-	140-250	8	1.4-2.5	100-200
80°C	-	-	70-90	4	1.1-1.8	40-70

Table 2: Ultimate Analysis of different fuels (% by wt)

	BioOil	BioOil Plus	Char	Heating oil #2	Heavy fuel oil
Ash	< 0.02	<1	< 8	< 0.01	0.02-0.08
Carbon	42-47	45-51	75-78	86.4	85.7
Hydrogen	6-8	5-6	3-4	12.7	10.5
Nitrogen	< 0.1	< 0.3	< 0.3	0.006	0.18
Sulfur	< 0.02	< 0.06	-	0.2-0.7	< 2.8
Oxygen (by difference)	46-51	43-49	7-14	0.04	0.38