rice straw, dried in air (#2818)

ID-number#2818
Materialrice straw, dried in air
Classification ECN Phyllis classification ▸ straw (stalk/cob/ear) ▸ rice
NTA 8003 classification ▸ [200] biomassa uit land- en tuinbouw ▸ [220] stro ▸ [224] rijsthalm
Submitter organisationECN (Netherlands)
Submission date2008-07-24
RemarksCellulose, hemicellulose and lignin content based on TGA and volatile portion of materials. Char and bio-oil data in following records.
LiteratureS.-H. Jung, B.-S. Kang, J.-S. Kim: Production of bio-ol from rice straw and bamboo sawdust…….J. Anal. Appl. Pyrolysis 82 (2008) 240-247

Values

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

Fuel Properties

Proximate Analysis

Moisture content wt% 6.80
Ash content wt% 8.90 9.55
Volatile matter wt% 82.76 88.80 98.18
Fixed carbon wt% 1.54 1.65 1.82 Calculated

Ultimate Analysis

Carbon wt% 36.46 39.12 43.25 Measured
Hydrogen wt% 4.74 5.08 5.62 Measured
Nitrogen wt% 1.78 1.91 2.11 Measured
Sulphur wt% 0.19 0.20 0.22 Measured
Oxygen wt% 41.14 44.14 48.80 Calculated
Total (with halides) wt% 100.00 100.00 100.00 Calculated

Calorific Values

HHVMilne MJ/kg 13.44 14.42 15.94 Calculated

Chemical Analyses

Major elements

Potassium (K) mg/kg (dry) 9 237.0 Measured
Sodium (Na) mg/kg (dry) 10 702.0 Measured
Calcium (Ca) mg/kg (dry) 1 599.0 Measured
Magnesium (Mg) mg/kg (dry) 1 430.0 Measured

Biochemical composition

Cellulose wt% (dry) 37.80 Calculated
Hemicellulose wt% (dry) 25.30 Calculated
Lignin wt% (dry) 23.30 Calculated
Total ash + biochemical wt% (dry) 95.95 Calculated