... ngy, Qtb = 4400 m3/ngy LA: ti trng b mt, chn LA = 44 m3/m2.ngy 4400 = 100 m2 44 Vy A = - ng kớnh b lng: D= 4 ìA= ì 100 = 11,29 m [3, tr 429] Chn D = 12 m - ng kớnh ng trung tõm: d = 15% D = 0,15 ... nc b t = h Chiu cao hu ớch b h = m Chiu cao bo v hbv = 0,3 m Chiu rng b B = 10 m [3, tr 487] - Chiu cao tng cng: H = h + hbv = + 0,3 = 4,3 m - Th tớch b iu ho: h V = Qtb ì t = 183,33 ì = 733,33 ... khu chn nuụi tõp trung BOD5 = 2817 mg/l SS = 615 mg/l 4.1 Xỏc nh lu lng nc thi - Lu lng nc thi trung bỡnh theo gi: h Qtb = 4400 = 183,33 m3/gi 24 - Lu lng nc thi trung bỡnh theo giõy: s Qtb =...