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008 291098s1983 th r 000| eng d
035 _a.b10189658
099 9 _aAIT Thesis no.EV-83-4
100 1 _aBamayi, Wladimir Askinin
245 1 0 _aDesign criteria development of rotating biological contactor and anaerobic (upflow) filter system for sewage treatment
260 _aBangkok :
_bAsian Institute of Technology,
_c1983
300 _a57 leaves :
_bill.
490 1 _aThesis ;
_vno. EV-83-4
500 _aA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering
502 _aThesis (M.Eng.) - Asian Institute of Technology
520 _aThe study is performed to find a suitable low cost system for the treat- ment of domestic sewage. The possibility of using anaerobic filter, rotating biological disk and their combination was studied. From the anaerobic filter performance at varying hydraulic loading rates (1.41, 1.764, 2.45 m3/m2.d), it was found that beyond a hydraulic loading rate of 1.764 m3/m2.d, the COD removal efficiency was not satisfactory. The filter depth of 120 cm (2-2.5 cm broken stone) was necessary to achieve a reasonable COD removal. The RBC performance at different hydraulic loading rates (0.03, 0.06 and 0.12 m3/m2·d) indicated that the removal efficiency lies in a range of 72 to 82%. The detailed capital and operational and maintenance cost calculation also favour the RBC compared to the AF and the combination of RBC and AF.
650 0 _aWater
_xPurification
_xFiltration
650 0 _aFilters and filtration
700 1 _aVigneswaran, S.,
_eChairperson
700 0 _aChongrak Polprasert,
_eExamination Committee
700 1 _aFude, I.,
_eExamination Committee
710 2 _aASEAN-USADA,
_eScholarship Donor
810 2 _aAsian Institute of Technology.
_tThesis ;
_vno. EV-83-4
907 _a.b10189658
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