Table 1 Proximate analysis of the biomass fuels, biochar and derived ashes (Mean ± standard deviation of triplicate measurements)

From: Evaluation of Biochar Post‐Process Treatments to Produce Soil Enhancers and Phosphorus Fertilizers at a Single Plant

Sample Moisture (%) Organic matter (% db.) Ash content (% db.)
Sewage sludge 29.0 ± 1.13 57.00 ± 3.25 43.0 ± 6.20
Biochar 3.22 ± 0.12 32.00 ± 2.7 68.0 ± 3.40
Oxidation ash 2.10 ± 0.07 6.00 ± 0.56 94.0 ± 5.26
Gasification ash 1.70 ± 0.01 2.00 ± 0.13 98.0 ± 4.89
Biogas fiber 70.40 ± 1.89 71.30 ± 1.50 28.70 ± 3.50
Biochar 6.83 ± 0.29 36.93 ± 2.26 63.07 ± 2.00
Oxidation ash 3.56 ± 0.23 5.60 ± 0.30 94.40 ± 4.83
Gasification ash 5.46± 0.24 4.90 ± 0.50 95.10 ± 2.50
Cattle manure 76.36 ± 1.71 86.09 ± 1.75 13.91 ± 1.80
Biochar 4.65 ± 0.41 64.10 ± 3.20 35.90 ± 4.10
Oxidation ash 3.15 ± 0.23 9.46± 0.80 90.54 ± 3.30
Gasification ash 3.67 ± 0.38 6.00 ± 0.48 94.00 ± 6.00
Poultry manure 71.70 ± 1.10 67.46 ± 4.80 32.54 ± 4.10
Biochar 3.95± 0.61 40.00 ± 3.15 60.00 ± 4.00
Oxidation ash 2.45± 0.72 11.00 ± 1.22 89.00 ± 3.70
Gasification ash 2.25± 0.16 4.20 ± 0.82 95.80 ± 6.21
Woodchips 8.22 ± 0.64 99.2 ± 5.28 0.84 ± 0.10
Biochar 5.37 ± 0.29 96.95 ± 4.50 3.05 ± 0.30
Oxidation ash 3.21 ± 0.16 26.0 ± 2.20 74.00 ± 2.50
Gasification ash 2.70 ± 0.08 17.0 ± 4.16 83.00 ± 2.10
Wheat straw 8.41 ± 0.57 95.0 ± 6.61 4.97 ± 1.10
Biochar 3.75± 0.16 81.4 ± 5.50 18.62 ± 3.20
Oxidation ash 4.81 ± 0.29 22.0 ± 4.20 78.00 ± 5.30
Gasification ash 4.32 ± 0.23 13.0 ± 3.10 87.00 ± 2.30