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008			271098s1981 th r 000| eng d
035			_a.b1008857x
099		9	_aAIT Thesis no.EV-81-11
100	1		_aLiu, Bang-yeh
245	1	0	_aApplication of RBC process to the treatment of supernatant of anaerobic digesters
260			_aBangkok : _bAsian Institute of Technology, _c1981
300			_a47 leaves : _bill.
490	1		_aThesis ; _vno. EV-81-11
500			_aA thesis submitted in partial fulfillment of the requirements for the degree of Master of Science, School of Environment, Resources and Development
502			_aThesis (M.Sc.) - Asian Institute of Technology, 1981
520			_aThe Rotating Biological Contactor (RBC) system consisting of closely spaced disks has shown great promise as a biological nitrification process. This study was conducted on upgrading an activated sludge plant with rota- ting biological contactors incorporated in its aeration tanks, in this case called SURFACT process. A single, fundamental model of biological kinetics (Monad's type equa- tion) is shown to be capable of accurately predicting the performance of a bench-scale SURFACT process for COD removal and nitrification. SURFACT and the conventional activated sludge process behave similarly; it means that the microorganisms on the disks perform the same work as those in suspension. Therefore the Monad's model, which is based on fundamental and independently obtainable parameters of bacterial kinetics and limiting substrate, can help suggest useful process and indicate that the application of RBC units to an existing activated sludge plant can achieve the purposes of upgrading and nitrification. A series of COD removal and nitrification experiments using a completely mixed batch reactor was carried out to verify the proposed model. A high ammonia content sludge supernatant was used as the source of wastewater. Experimental variables were MLSS concentration, and influent substrate concentration.
650		0	_aSewage _xPurification _xRotating disc process
700	1		_aWatanabe, Yoshimasa, _eChairperson
700	1		_aLohani, B.N., _eCo-Chairperson
700	1		_aI, Fude., _eExamination Committee
710	2		_aTaiwan Power Company, R.O.C., _eScholarship Donor
810	2		_aAsian Institute of Technology. _tThesis ; _vno. EV-81-11
856			_3Full-Text _uhttp://203.159.5.9/ait-thesis/detail.php?q=B21603
907			_a.b1008857x _bmnait _cx
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