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Table 1 Characteristics of raw, pre-treated (at pH 2.0 with 5.0 g activated carbon /100 ml raw vinasse) vinasse and spent medium after bioprocessing

From: Utilization of vinasse for production of poly-3-(hydroxybutyrate-co-hydroxyvalerate) by Haloferax mediterranei

Parameter Raw vinasse After pre-treatment After bioprocessing
25% pre-treated 50% pre-treated 25% pre-treated 50% pre-treated
pH 3.5 ± 0.5 4.0 ± 0.5 4.0 ± 0.5 8.2 ± 0.5 8.1 ± 0.5
BOD5 (mg/l) 78170 ± 120 8467 ± 35 15275 ± 38 1800 ± 27 2250 ± 45
COD (mg/l) 90837 ± 45 13950 ± 84 23134 ± 62 2690 ± 17 3850 ± 27
Salinity (mS/cm) 28.5 ± 0.4 7.2 ± 0.2 13.5 ± 0.5 415 ± 11 445 ± 20
Total organic carbon (mg/l) 16540 ± 35 2764 ± 35 6860 ± 54 305 ± 29 359 ± 43
Total carbohydrate (mg/l) 112581 ± 125 22637 ± 87 32935 ± 71 409.5 ± 25.5 604.5 ± 55
Total Kjeldahl nitrogen (mg/l) 471 ± 15 97 ± 18 175.5 ± 22 14 ± 1.5 17 ± 2
Phosphate (mg/l) 2875 ± 10 468 ± 31 938 ± 91 154 ± 12 195 ± 9
Total polyphenolic compounds (mg/l) 667 ± 10 21 ± 0.5 48 ± 1.5 16 ± 2 39 ± 5
  1. The mean values of three determinations in duplicate sets are reported.