Wastewater treatment handbook

15 DIMENSIONS & DESIGN Isea guarantees the system achieves discharge water standards as per: IN ITALY: D. L.vo 152/99 IN EUROPE Cee 271/91 Electro-mechanical devices for 12 months from delivery. REMOVAL EFFICIENCY AND TREATMENT GUARANTY “TYPICAL” INSTALLATION grease trap manual cleaning grid flow partitioner disinfection phase disinfection phase with dosing pump by-pass pipe inspection chamber denitrification phase ACCESSORIES φE A φU U E B E D F C POLI1 AIR BLOWER- Activated sludge plant Code Item Equivalent A F G B C D E Vsed Vox φE φU Kw Inhabitant (E. I.) (cm) (cm) (cm) (cm) (cm) (cm) (cm) (m3) (m3) (mm) (mm) 9022 A.E. 50 (220V) 50 180 450 180 195 240 160 180 2.5 5 160 160 1.1 9022/1 A.E. 50 (380V) 50 180 450 180 195 240 160 180 2.5 5 160 160 1.1 9023 A.E. 100 (380V) 100 240 520 245 245 300 160 240 4 10 200 200 1.5 9024* A.E. 150 (380V) 150 470 520 245 245 300 160 240 6.5 15 200 200 3 9025* A.E. 200 (380V) 200 530 520 245 245 300 160 240 8 20 200 200 3 DESIGN DATA PROCESS DATA Certified Quality System Manufactured with recyclable material The company has the right to technically modify the system without giving notice. * The plants consist of two parallel lines. oxidation setting tank air blower sludge recycle diffuser air-lift EQUIVALENT INHABITANTS N. 50 100150 200 ACTUAL OXIDATION RETENTION TIME h 12 12 12 12 SLUDGE LOAD kg. BOD5/kg.ssma m3 0.1 0.1 0.1 0.1 SLUDGE CONCENTRATION kg.ssma/m3 5 5 5 5 VOLUMETRIC LOAD kg. BOD5/m3 d. 0.5 0.5 0.5 0.5 SETTLING VELOCITY m3/m2 h. 1.2 1.2 1.2 1.2 RETENTION TIME IN SETTLING TANK h. 4.5 4.5 4.5 4.5 EQUIVALENT INHABITANTS N. 50 100 150 200 SPECIFIC WATER CONSUMPTION l./E.I. d. 200 200 200 200 DAILY FLOW RATE m3./d. 10 20 30 40 PEAK FACTOR Cp 7 7 7 7 PEAK FLOW RATE m3./h 3 6 9 12 ORGANIC LOAD g. BOD5/E.I. d. 60 60 60 60 DAILY ORGANIC LOAD kg. BOD5 /d. 3 6 9 12 ORGANIC LOAD CONCENTRATION mg. BOD5/l. 240 240 240 240 Washing machine & kitchen WC black water grey water GREASE TRAP PVC INSPECTION CHAMBER GRID POLI1 www.baygar.com