construction of integrated settler with abr beside tokipur sishu madrasa under rampara ii gp =hand holding support for liquid waste management- dm office murshidabad-daily waste water flow time of most waste water flow 3 max. peak flow per hour 4 cod in 5 bod in 6 cod/bod 7 suspended solid sett. /cod ratio lowest digester temperature 8 9 de-sludging interval 10 hrt in settler 11 cod removal rate in settler 12 bod5 removal rate in settler 13 cod/bod removal factor 14 cod inflow in abr 15 bods inflow into abr 16 cod/bod5 ratio after settler 17 factors to calculate cod removal rate of abr based on graphs 18 f-overload 19 f-strength 20 f-temp 21 f-hrt% theoretical removal rate according to factors 22 23 cod removal rate baffle only 24 cod out 25 total cod removal rate 26 total bod removal rate 27 cod/bod removal factor 28 bod out 29 inner masonry measurements 30 width settler 31 depth settler 32 sludge accumulation rate 33 length of settler 34 length of settler 35 max up flow velocity 37 36 no of up flow chamber abr depth at outlet abr 38 length of chamber should not exceed half depth 39 actual length of chamber(abr) 40 area of single uplfow chamber 41 width of chamber(abr) 42 actual width of chamber(abr) 43 actual upflow velocity 44 width of down flow shaft 45 actual volume of baffle reactor 46 actual total hrt 47 organic load (bod) 48 biogas (ass: ch4 70%, 50% dissolved) 1 settler iv length of settler length of 1st chamber (2/3rd of total length) length of 2nd chamber (1/3rd of total length) v width of settler design depth of settler vi free board provided vii total depth slab thickness ix total depth including excavation (td+ rcc raft+ pcc+ soling) x volume of settler anarobic baffle reactor with filter 2 1 length of abr no of chambers tickness of baffle wall iv widht of shaft v total length of abr vi width of abr vii design depth of abr ix free board provided total depth x total depth including excavation (td+ rcc raft+ pcc+ soling) xi total volume xii no of units total volume of abr total external length of settler & abi 2 width of existing drain depth of existing drain other details iv plaster thickness max widh of excavation