... air flotation. The In the bakery industry, pretreatment is always required because the waste contains high SSand floatable FOG. Pretreatment can reduce the pollutant loading in the subsequent ... than that of 5 in the chemical industry and 2 in the paper and textiles industry [3,6].Normally, half of the water is used in the process, while the remainder is used for washingpurposes (e.g., ... 1425– 49 501 7.23 17,103 1,578.7 3450 99 287 4.14 18,872 23,51.7 66100–2 49 305 4.40 45,432 10,820.5 1 49 250– 499 130 1.88 43,251 6 ,90 9.1 333500 99 9 70 1.01 45,184 3,255 6451,000–2, 499 7 0.10...