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Table 1 Characterization of initial effluents from piggery anaerobic digestion

From: Fungal pretreatment of raw digested piggery wastewater enhancing the survival of algae as biofuel feedstock

Parameter Pre-treated value (mean ± SD) After treatment valuea
pH 8.6 ± 0.2 7.2 ± 0.5
Color (Abs. 400 nm) 1.1 ± 0.08 0.6 ± 0.07
TSS (mg L−1) 1133.3 ± 68.1 254.2 ± 31.7
COD (mg L−1) 625.8 ± 16.9 262.5 ± 12.6
TN (mg L−1) 330.6 ± 14.3 255.9 ± 10.9
TP (mg L−1) 50.3 ± 6.7 29.6 ± 8.5
NH4 + (mg L−1) 287.1 ± 25.2 226.6 ± 19.4
  1. aThe average data of 6 pretreated wastewater by fungi