02054nas|a2200241 i 450000500170000000800410001703500150005810000200007324501070009326000520020030000200025249000270027250001440029950200580044352009600050165000250146170000340148670000430152070000440156371000810160781000590168885600650174720260818171600.0090701s2001    th uu m rtt  00|  a1eng d  a.b118286871 aVasconi, Thomas10aPerformance of a high rate physico chemical process for wastewater treatment under variable flow rates  aBangkok :bAsian Institute of Technology,c2001  a103, [4] leaves1 aThesis ;vno. WM-00-16  aA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Engineering and Technology  aThesis (M.Eng.) - Asian Institute of Technology, 2001  aThis study investigates the performance of a high rate physicochemical process, called Densadeg® used as a primary treatment. This research had been carried out on a pilot plant located on an oceanic wastewater treatment plant in Sydney. In order to evaluate the efficiency of this technology, it was decided to assess its performance by running the pilot plant in dry weather and wet weather flow conditions. The range of flow rate applied to the process was in the range of 40 m 3 /h to 65 m 3 /h (960 m3 /d to 1560 m3 /d). The chemical agents constituted of ferric chloride as coagulant and anionic polymer whose dosage varied from 30 mg/l to 50 mg/I and 1.5 mg/I to 3 mg/l respectively. By increasing the flow rate, the TSS removal decreased from 80% to 26%, with an average value of 65% for the study. The mean removal efficiency achieved for O&G, TKN, TP and COD parameters were 57%, 49%, 12% and 47% respectively under these operating conditions. 10aSewagexPurification1 aTrankler, Josef,eChairperson1 aLuketina, D.A.,eExamination Committee1 aVisvanathan, C.,eExamination Committee2 aEuropean Commission of the European Union (PTS Program), eScholarship donor2 aAsian Institute of Technology.tThesis ;vno. WM-00-16  3Full-Textuhttp://203.159.5.9/ait-thesis/detail.php?q=B11212