Distillieries - Environmental Clearance

Table 3Spent Wash Characteristics From Alfa Laval Continuous Fermentation, Distillation & IntegratedFalling Film Evaporation SystemCharacteristics of Spent Wash for Fermentable Sugar of 42 % W/WSrl. Parameters Unit Value Value1 Brix Deg Bx 30 - 35 25 - 302 Percent Solids % w/w 27 - 32 22 - 263 pH 4.2 - 4.5 4. 3 - 4.64 COD mg / lit 280000 - 320000 240000 - 2800005 BOD ( 3 Day at 27 Deg C ) mg / lit 100000 - 120000 80000 - 1000006 Total Solids mg / lit 360000 - 400000 320000 - 3600007 Total Dissolved Solids mg / lit 200000 - 240000 170000 - 2000008 Total Suspended Solids mg / lit 150000 - 160000 148000 - 1550009 Conductivity umhos / cm 40000 - 42000 38000 - 40000Characteristics of Spent Wash for Fermentable Sugar of 55 % W/WSrl. Parameters Unit Value1 Brix Deg Bx 22 - 252 Percent Solids % w/w 18 - 213 pH 4.2 - 4.54 COD mg / lit 200000 - 2200005 BOD ( 3 Day at 27 Deg C ) mg / lit 60000 - 700006 Total Solids mg / lit 220000 - 2500007 Total Dissolved Solids mg / lit 180000 - 2000008 Total Suspended Solids mg / lit 40000 - 600009 Conductivity umhos / cm 35000 - 38000Characteristics of Spent Wash for Fermentable Sugar of 64 % W/WSrl. Parameters Unit Value1 Brix Deg Bx 22 - 252 Percent Solids % w/w 18 - 213 pH 4.2 - 4.54 COD mg / lit 150000 - 1800005 BOD ( 3 Day at 27 Deg C ) mg / lit 50000 - 600006 Total Solids mg / lit 190000 - 2100007 Total Dissolved Solids mg / lit 150000 - 1700008 Total Suspended Solids mg / lit 35000 - 450009 Conductivity umhos / cm 35000 - 38000ix