Nuts, Pits and Shells

Appendic C.8 Alkali Deposit Investigation Samples Alkali Deposits Found in Biomass Power Plants: A Preliminary Investigation of Their Extent and Nature
National Renewable Energy Laboratory Subcontract TZ-2-11226-1


fuelsc8.xls
FuelAlmondAlmondPistachioWalnutWalnutOlivePrune
TypeShellsHullsShellsBlowsHulls and BlowsPitsPits
As Rec'dDryAs Rec'dDryAs Rec'dDryAs Rec'dDryAs Rec'dDryAs Rec'dDryAs Rec'dDry
Proximate Analysis
Fixed Carbon19.2820.7118.7620.0715.6716.9512.8716.829.1117.4715.2916.2811.8217.80
Volatile Matter70.7376.0068.9973.8075.4981.6461.8380.8241.5079.5877.0182.0053.6580.79
Ash3.063.295.736.131.301.411.812.361.542.951.621.720.941.41
Moisture6.93--6.52--7.54--23.49--47.85--6.08--33.59--
TOTAL100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
Ultimate Analysis
Carbon45.8849.344.4347.5346.4250.2041.0553.6527.9053.5149.5952.8032.7149.26
Hydrogen5.555.975.585.975.846.324.976.53.406.526.286.694.386.59
Oxygen37.8340.6436.6239.1838.0641.1627.5836.0518.4535.3835.9638.2927.7741.83
Nitrogen0.710.761.061.130.640.691.021.340.801.530.420.450.560.84
Sulfur0.040.040.060.060.200.220.080.10.060.110.050.050.050.07
Ash3.063.295.736.131.301.411.812.361.542.951.621.720.941.41
Moisture6.93--6.52--7.54--23.49--47.85--6.08--33.59--
TOTAL100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00100.00
HHV, Btu/lb7,7978,3787,5908,1198,4697,8317,3459,6004,9769,5418,7189,2825,7378,638
Chlorine %<0.01<0.010.020.02<0.01<0.010.020.020.010.020.040.04<0.01<0.01
Water Soluble Alkalis %
Na2O
K2O
CaO
Elemental Composition
SiO28.719.288.225.186.8830.823.00
Al2O32.722.092.171.822.428.840.09
TiO20.090.050.200.090.090.340.02
Fe2O32.300.7635.370.851.146.580.57
CaO10.508.0710.0122.3216.6214.6612.25
MgO3.193.313.2611.5813.454.249.72
Na2O1.600.874.500.740.9927.800.39
K2O48.7052.9018.202832.904.4037.50
SO30.880.343.791.882.250.562.07
P2O54.465.1011.808.36.242.4616.80
CO2/other17.3820.12
Undetermined-0.53-2.892.4819.2417.02-0.7017.59
TOTAL100.00100.00100.00100.00100.00100.00100.00
Alkali, Lb/MMBtu1.984.060.410.711.050.600.62


Last Updated: 2/27/96

Analyst/Contact: Tom Miles, Jr.

E-Mail Address: tmiles@teleport.com