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Table 2

Physicochemical characteristics of cultivation solutions containing 10%, 20%, 30%, 40% and 50% of biodigested vinasse

Concentration10%20%30%40%50%
Total suspended solids, mg/L 211.1 ± 1.50 430 ± 2.61 599 ± 9.01 843 ± 1.03 999.0 ± 0.4 
Ammonia nitrogen, mg/L 9.16 ± 0.28 13.51 ± 0.31 19.37 ± 0.01 22.15 ± 0.09 24.35 ± 0.12 
Nitrate, mg/L UA UA UA UA UA 
Nitrite, mg/L UA UA UA UA UA 
Phosphate, mg/L 6.40 ± 0.06 18.73 ± 1.88 33.45 ± 1.50 54.34 ± 0.01 76.09 ± 0.54 
Potassium, mg/L 103.4 168 359.2 503.1 629.9 
Color, mg PtCo/L 102.3 ± 1.56 378.7 ± 2.44 542.7 ± 0.89 745.0 ± 2.00 982.3 ± 5.11 
pH 6.97 6.99 6.95 6.94 6.95 
Concentration10%20%30%40%50%
Total suspended solids, mg/L 211.1 ± 1.50 430 ± 2.61 599 ± 9.01 843 ± 1.03 999.0 ± 0.4 
Ammonia nitrogen, mg/L 9.16 ± 0.28 13.51 ± 0.31 19.37 ± 0.01 22.15 ± 0.09 24.35 ± 0.12 
Nitrate, mg/L UA UA UA UA UA 
Nitrite, mg/L UA UA UA UA UA 
Phosphate, mg/L 6.40 ± 0.06 18.73 ± 1.88 33.45 ± 1.50 54.34 ± 0.01 76.09 ± 0.54 
Potassium, mg/L 103.4 168 359.2 503.1 629.9 
Color, mg PtCo/L 102.3 ± 1.56 378.7 ± 2.44 542.7 ± 0.89 745.0 ± 2.00 982.3 ± 5.11 
pH 6.97 6.99 6.95 6.94 6.95 

UA indicates undetected amount by tests.

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