wood, altholz Switserland (#1779)

Materialwood, altholz Switserland
Alternative namedemolition wood
Classification ECN Phyllis classification ▸ treated wood ▸ demolition wood
NTA 8003 classification ▸ [100] hout ▸ [150] verwerkt hout
Submitter organisationECN (Netherlands)
Submission date2000-10-04
LiteratureP.Hasler and R.Bühler: Gasification of urban waste wood (Altholz). Report submitted to the International Energy Agency Biomass Gasification Working Group, September 1994, Zürich (Switzerland), Verenum, 35 p. (1994).


Property Unit Value Std dev Det lim Lab Date Method Remarks
ar dry daf

Main biomass properties

Proximate analysis

Moisture content wt% 21.00
Ash content wt% 4.35 5.50

Ultimate analysis (macroelements)

Nitrogen wt% 0.62 0.79 0.83 Measured
Total (with halides) wt% 26.04 6.38 0.93 Calculated


Chlorine (Cl) mg/kg 699.2 885.0 936.5 Measured
Fluorine (F) mg/kg 16.6 21.0 22.2 Measured

Heating value

Net calorific value (LHV) MJ/kg 15.00 19.64 20.78

Trace elements composition

Arsenic (As) mg/kg (dry) 5.0 Measured
Cadmium (Cd) mg/kg (dry) 3.0 Measured
Cobalt (Co) mg/kg (dry) 25.0 Measured
Chromium (Cr) mg/kg (dry) 30.0 Measured
Mercury (Hg) mg/kg (dry) 0.3 Measured
Nickel (Ni) mg/kg (dry) 6.0 Measured
Lead (Pb) mg/kg (dry) 410.0 Measured
Zinc (Zn) mg/kg (dry) 670.0 Measured

Physical Properties

Commonly used properties

Bulk density (ar) kg/m³ (ar) 216