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Constituent analyses of representative biomass types
Table 2.3.1 presents representative compositions of major biomass types. Although there are
exceptions, the main components of terrestrial biomass in order of amount from high to low are cellulose, hemicellulose, lignin, and proteins. Aquatic biomass has different compositions. While Table 2.3.1 shows plant biomass, Table 2.3.2 gives the compositions of sludge and other waste biomass types with high moisture content. Tables 2.3.1 and 2.3.2 use a different composition classification. Cellulose and lignin in Table 2.3.1 are represented by fiber in Table 2.3.2, while hemicellulose in Table 2.3.1 comes under carbohydrates in Table 2.3.2.
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Table 2.3.1. Typical chemical analyses of representative biomass (Part 1) (wt%)
* Totals may not necessarily be 100 because each component was measured with a different method. |
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Table 2.3.2. Typical chemical analyses of representative biomass (Part 2: Waste biomass with high moisture content). (wt%)
a) Based on dry weight. b) Based on organic content. |
Further information
Ogi, T. in “Biomass Handbook”, Japan Institute of Ed., Ohm-sha, 2002, PP.12-15 (in Japanese)