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035 _a.b11828687
099 9 _aAIT Thesis no. WM-00-16
100 1 _aVasconi, Thomas
245 1 0 _aPerformance of a high rate physico chemical process for wastewater treatment under variable flow rates
260 _aBangkok :
_bAsian Institute of Technology,
_c2001
300 _a103, [4] leaves
490 1 _aThesis ;
_vno. WM-00-16
500 _aA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Engineering and Technology
502 _aThesis (M.Eng.) - Asian Institute of Technology, 2001
520 _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.
650 1 0 _aSewage
_xPurification
700 1 _aTrankler, Josef,
_eChairperson
700 1 _aLuketina, D.A.,
_eExamination Committee
700 1 _aVisvanathan, C.,
_eExamination Committee
710 2 _aEuropean Commission of the European Union (PTS Program),
_eScholarship donor
810 2 _aAsian Institute of Technology.
_tThesis ;
_vno. WM-00-16
856 _3Full-Text
_uhttp://203.159.5.9/ait-thesis/detail.php?q=B11212
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