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Table 1 Biochemical composition and physicochemical properties of different WS fractions

From: New dry technology of environmentally friendly biomass refinery: glucose yield and energy efficiency

Fractions Recovery (%)a D50(μm)b (% w/w)b Hem:Cell CrI (%)a SA (m2/g)
Ash Lignin Hem Cell
F0 - 81.9 ± 3.4 4.5 ± 1.1 21.5 ± 1.3 29.1 + 1.2 45.4 ± 2.4 0.66 54.9 ± 0.8 43.6
F1A- 35 ± 4.2 81.2 ± 2.2 5.1 ± 0.8 22.4 ± 1.7 31.6 ± 1.7 40.9 ± 2.0 0.77 58.8 ± 0.0 42.5
F1A-E 4 ± 1.2 42.2 ± 1.2 15.3 ± 2.2 16 .7 ± 2.2 30.3 ± 0.8 37.6 ± 0.9 0.81 63.5 ± 2.2 70.7
F2A- 22 ± 2.6 95.7 ± 2.7 5.2 ± 1.3 21.3 ± 0.9 32.6 ± 1.5 40.8 ± 1.4 0.82 60.4 ± 1.7 37.3
F2B- 28 ± 4.5 75.8 ± 1.8 4.8 ± 0.9 20.9 ± 2.2 29.1 ± 0.8 45.2 ± 1.1 0.63 60.1 ± 0.0 47.1
F1B+ 58 ± 4.6 52.2 ± 3.1 3.7 ± 0.8 18.3 ± 1.1 22.8 ± 1.7 55.2 ± 1.6 0.45 51.9 ± 1.1 60.2
F1B+E 5 ± 1.3 44.9 ± 0.7 2.9 ± 0.4 16.3 ± 1.3 21.8 ± 1.1 58.9 ± 1.2 0.37 51.3 ± 2.1 76.4
F2B+ 32 ± 5.2 62.9 ± 1.2 2.6 ± 0.4 17.7 ± 0.8 21.7 ± 0.8 58.4 ± 0.8 0.37 52.3 ± 0.7 63.2
F2A+ 16 ± 2.6 55.5 ± 1.5 3.5 ± 1.0 19.5 ± 1.2 24.6 ± 1.2 52.5 ± 1.3 0.49 55.8 ± 1.2 59.4
  1. ain duplicate; bin triplicate.
  2. WS: wheat straw; D50: median size; SA: Surface Area; Cell: Cellulose; Hem: Hemicelluloses; CrI: Crystallinity index.
  3. SA = (Sp/Vp)/ρ.
  4. Sp = surface of particle (m2) = 4π((Zp/2)2); Zp: Particle size (m).
  5. Vp = volume of particle (m3) = 4/3π((Zp/2)3).
  6. ρ: density of particle (g/m3).