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Table 2 Chemical composition of the used substrates

From: Comparative study on factors affecting anaerobic digestion of agricultural vegetal residues

No. Chemical compound Concentration in wheat bran [mg / kg] Concentration in mix [mg / kg]
1 Mg 1331 797
2 Al 71 55
3 Si 174 -
4 P 5855 2332
5 S 1165 1181
6 Cl 370 680
7 K 9697 4491
8 Ca 1209 716
9 Mn 108 31
10 Fe 177 81
11 Zn 69 23