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008 160309t2015 my da f abm 000 0 eng d
020 _aTHE0000867(Local)
039 9 _a201905271625
_bnazirah
_c201710041238
_daishah
_y201603091153
_zasma
040 _aUMP
090 _aFKKSA .E33 2015 r Thesis
100 0 _aEgbal Hassan Altoum Mohammed
245 1 0 _aMethane production from sewage sludge treatment by ultrasonicated membrane anaerobic system (UMAS) /
_cEgbal Hassan Altoum Mohammed
260 _aKuantan, Pahang :
_bUMP,
_c2015
300 _axvi, 82 p. :
_bill. col. ;
_c30 cm. +
_e1 CD-ROM
500 _aFaculty of Chemical & Natural Resources Engineering
502 _aThesis (Master in Chemical Engineering) -- Universiti Malaysia Pahang – 2015
504 _aBibliography : p. 74-81
520 3 _aSewage Sludge wastewater causes serious environmental pollution due to its high chemical oxygen demand (COD) and biological oxygen demand (BOD). Traditional methods of treating sewage sludge wastewater are disadvantages from both economic and environmental perspectives. In this study, the potentials of Ultrasonicated Membrane Anaerobic System (UMAS) in treating wastewater as an alternative and cost effective method was investigated. Waste sludge samples used in the study were collected from sewage treatment plant of INDAH WATER in Kuantan, Malaysia. The temperature during collection of the raw sewage sludge was 32 oC. The wastewater was stored in a cold room at 4 oC prior to use The study began with some characterization studies to provide understanding of fundamental issues such as conventional separation, ultrasonic and membrane separation. The aim was to obtain optimum operation conditions, maximum methane production as well as overall performance of UMAS in treating sewage sludge, upon which further development on wastewater processes could be developed. Four steady states were attained as a part of this study that considered concentration ranges from 6500 to 2.300 mg/l for mixed liquor suspended solid (MLSS). UMAS was used to treat the sewage sludge at organic loading rates ranging from 0.06 to 0.12 kg COD /M3/day, and throughout the experiment, the removal efficiency of COD was from 79% to 93% and the methane gas percentage was between 93 and 85. The ammonia and nitrogen removal efficiency were 56 - 77 and 56 - 72 percentage respectively. The reactor pH is slightly changing during the experimental period with values around 6.8, 7.1, 7.2 and 7.00 in steady state 1, 2, 3 and 4, respectively. The slight changes in the alkalinity levels of pH indicate process stability. The gas volume was measured daily using a 20-litre displacement bottle. Biogas from sewage digester usually contain 55% to 65% of methane, 35% to 45% of carbon dioxide and < 1% nitrogen. Besides the main components, biogases also contain hydrogen sulphide and other sulphide compound, siloxanes, aromatic and halogenated compounds. The results obtained in this study have exposed the capability of ultrasonic assisted membrane anaerobic system (UMAS) in treating wastewater. Thus, using UMAS for the treatment is a challenging and interesting area; in this research work it is limited to study the steady states operation to provide continuous addition of feed solution (Raw sewage sludge) by gravity flow from feeder tank, which is on top of the reactor. In future, this study could be improved using specific type of ultrasonic against specific type of membrane anaerobic to increase the production methane, thus the performance of full process of UMAS will be increased and can produce more methane as well as it will reduce the time and cost. Further works are nevertheless required to provide deeper understanding of the mechanisms involved to facilitate the development of an optimum system applicable to the industry
610 2 0 _aFaculty of Chemical & Natural Resources Engineering
_xDissertations
650 0 _aUniversities and Colleges
_xDissertations
650 0 _aTheses
856 4 0 _uhttp://ecollib.ump.edu.my/3536/
_zLibrary access only
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