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035 _a.b11454970
099 9 _aAIT Thesis no.EV-95-44
100 0 _aYusup Setiawan
245 1 0 _aAnaerobic treatment of pulp and paper industry effluent
260 _aBangkok :
_bAsian Institute of Technology,
_c1995
300 _a70 leaves :
_bill.
490 1 _aThesis ;
_vno. EV-95-44
502 _aThesis (M. Eng.) - Asian Institute of Technology, 1995
500 _aA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering.
520 _aLaboratory scale experiments at average ambient temperature of 32 °C were carried out to study the feasibility of using Completely Mixed Stirrer tank Reactor (CSTR) and Upflow Anaerobic Sludge Blanket (UASB) reactor to treat sulphite pulping and bleaching wastewater. Both of UASB reactor and CSTR were inoculated by seed sludge taken from anaerobic pond treating sulphite pulping and bleaching effluent. Both reactors were fed with diluted wastewater with COD about 3000 mg/L during start-up. Feed concentration was gradually increased and finally undiluted wastewater was fed to the both reactors. CSTR start-up operation was completed within 2 months. Hydraulic Retention Time (HRT) in the range of 5.75 day to 16.73 days with corresponding on the Organic Loading Rate (OLR) in the range of 0.35 - 1.45 kg COD/m3.d was employed. COD removal efficiency in the range of 33% to 76% was obtained. Gas production rate up to 0.2 L gas/L.d was obtainable. Upflow velocities of 0.59 m/Hr to 3.86 m/Hr and Organic Loading Rate (OLR) of0.36 kg COD/m3.d to 15.58 kg COD/m3.d have been employed on UASB reactor. COD conversion up to 69.5% was obtainable. Gas production rate in the range of O. lL gas/L.d to 0.5 L gas/L.d. was obtained. External recirculation of treated effluent was necessary to achieve sludge blanket formation in UASB reactor.
650 1 0 _aFactory and trade waste
_xPurification
700 1 _aAnnachhatre, Ajit P.,
_eChairperson
700 1 _aYang, Byung - Soo,
_eExamination committee
700 1 _aUmita, Teruyuki,
_eExamination committee
710 2 _aOverseas Training Office (OTO),
_eScholarship donor
710 2 _aBAPPENAS,
_eScholarship donor
710 2 _aGovernment of Indonesia,
_eScholarship donor
810 2 _aAsian Institute of Technology.
_tThesis ;
_vno. EV-95-44
856 _3Full-Text
_uhttp://203.159.5.9/ait-thesis/detail.php?q=B15182
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