Christmas trees (state: s)

Material type: Wood

Exergy values

Method	Minimum / kJ/kg	Mean / kJ/kg	Maximum / kJ/kg
heating values: Huang et al (2016) HHV	21657.7	21657.7	21657.7
heating values: Song et al (2012) HHV	20911.7	20911.7	20911.7
heating values: Zhang et al (2016) HHV	21114.4	21114.4	21114.4
ultimate: Hongliang et al (2017)	21052.7	21053.2	21053.8
ultimate: Shieh & Fan (1982)	20428.5	20429.2	20429.8
ultimate: Song et al (2012)	21616.1	21616.4	21616.6
ultimate: Stepanov (1995)	19764.2	19765.2	19766.2

Composition

No substance composition data.

Proximate analysis

Component	Wt %
VM	74.20
FC	20.70
A	5.10

Reference: (Vassilev, et al., 2010)

Component	Wt %
VM	74.20
FC	20.70
A	5.10

Reference: (Song, et al., 2011)

Ultimate analysis

Component	Wt %
Ash	5.10
C	51.71
O	36.72
H	5.60
N	0.47
S	0.40
Cl	0.00

Reference: (Vassilev, et al., 2010)

Component	Wt %
Ash	5.10
C	51.70
O	36.70
H	5.60
N	0.50
S	0.40
Cl	0.00

Reference: (Song, et al., 2011)

Heating values

Heating value	kJ/kg
HHV	19973.0
LHV	None

Reference: (Song, et al., 2012)