Table 2 Composite liquor analysis for control and experimental leather processing.
From: Non-aqueous green solvents improve alpha-amylase induced fiber opening in leather processing
Parameter | Control | Heptane | Propylene glycol | PEG 200 |
|---|---|---|---|---|
Composite liquor# | ||||
TDS (mg/l) | 35,620 ± 55 | 33,920 ± 82 | 30,960 ± 67 | 30,700 ± 61 |
Volume of effluent (L/t of raw skin) | 3890 | 3820 | 3830 | 3830 |
Emission load from composite liquor (kg/t of raw skin) | ||||
TDS | 138.6 | 129.6 | 118.6 | 117.6 |