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008 120399s1989 th r 000| 0eng d
035 _a.b10499027
099 9 _aAIT Thesis no. EV-89-4
100 1 _aLu, Jason T.
245 1 0 _aPhenol removal in attached-growth waste stabilization ponds
260 _aBangkok :
_bAsian Institute of Technology,
_c1989
300 _a82 leaves :
_bill.
490 1 _aThesis ;
_vno. EV-89-4
502 _aThesis (M.Eng.) - Asian Institute of Technology, 1989
520 _aLaboratory-scale a nd pilot-scale studies were conducted to evaluate the efficiencies of AGWSP {Attached-Growth Waste Stabilization Pond) and WSP {Waste Stabilization Pond ) in treating phenolic wastewater. Continuous loading as well as one-day shock loading at various levels of influent phenol concentrations were made in the laboratory-scale stud y. Experimental results obtained in t h is research revealed that at steady- state conditions, more than 93 % soluble chemical oxygen demand {SCOD) removal efficiency was achieved at influent phenol concentrations of 100, 200 and 300 mg/L. Moreover, at 400 mg/L and 500 mg/L of influent phenol concentrations 87.8 % and 93.0 % were attained in the AGWSP un its, respectively . On e-day shock loadings at 100 and 300 mg/L of influent phenol concentrations resulted in average SCOD removal efficiencies of 94.8 % and 96.0 %, respectively. The phenol s hock loadings of 100 and 300 mg/L administered to the pilot-scale units for one day resulted in average SCOD reductions of about 95.0% and 96.2%, respectively, during the steady-state conditions. The AGWSP was found to be more resistant to one-day influent phenol shock loading compared to WSP . Albeit, there appeared to be no significant difference in treatment efficiency between the AGWSP and the WSP units when phenol was continuously fed under the experimental conditions employed in this study.
650 0 _aSewage lagoons
650 0 _aSewage
_xPurification
_xPhenol removal
700 0 _aChongrak Polprasert,
_eChairperson
700 1 _aAhn, Kyu-Hong,
_eExamination Committee
700 1 _aTran, Francis T.,
_eExamination Committee
710 2 _aThe Canadian International Development Agency (CIDA),
_eScholarship Donor
810 2 _aAsian Institute of Technology.
_tThesis ;
_vno. EV-89-4
856 _3Full-Text
_uhttp://203.159.5.9/ait-thesis/detail.php?q=B17962
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