Abstract
The pilot-scale experiment in moving bed biofilm reactor (MBBR) with a capacity of 433 L was carried out for this study with real life situations, it was decided that the complete research work must be done under as realistic conditions as possible,i.e.with real municipal wastewater, chemical free and with local commercially available products such as carriers for biofilm reactor. The reactor was start-up in 30/9/2013 up to date, Effluent from clarifier of STP used as influence of MBBR for polishing. MBBR is using continues down flow to polish effluent municipal wastewater from a faculty of new building engineering community in UKM to get the water free from main pollutant parameters, for reuse in the irrigation or discharge to the river. Laboratory experiments will conduct with different hydraulic retention time (HRT), filling ratio of plastic (Enviro Multi Media) in the MBBR about 5%. Aerobic reactors used the majority of the decaying organic material. An average removal rate of 41.75%, 32.85%, 24.80% and 35.77% of initial chemical oxygen demand (COD) were achieved under a HRT of 24hr, 12hr, 6hr and 2hr, respectively. The model simulated results showed good agreements with experimental results. The model could be employed in the design of a full-scale MBBR process for simultaneous removal of organic carbon from effluent STP.
Highlights
To improve the quality of water, a water polishing treatment is used in order to reduce the concentrations of the pollutant parameters at the required level for reuse or final destination
A relatively new advancement in the field of fixed film biological treatment system is the moving bed biofilm reactor (MBBR), a process developed in the 1980s and early 1990s [1]
This study aims to fix Moving Bed Bio Reactor (MBBR) on the effluent of clarifier, and analyze the influent and effluent of the MBBR; the parameters will experiment in the chemical/civil engineering laboratory to know the efficiency of MBBR and the ability to remove chemical oxygen demand (COD)
Summary
To improve the quality of water, a water polishing treatment is used in order to reduce the concentrations of the pollutant parameters at the required level for reuse or final destination. Water polishing refers to the process by which waters that goes through additional treatment, removing things that are difficult to remove. This mechanism has the ability to guarantee the preservation of aqueous life and water resources for the future. A relatively new advancement in the field of fixed film biological treatment system is the moving bed biofilm reactor (MBBR), a process developed in the 1980s and early 1990s [1]. The basis of MBBR process is the conventional activated sludge and biofilter processes. MBBR takes advantage of the activated sludge process and conventional fixed film systems, without their disadvantages. MBBR has a great advantage over the activate sludge process as MBBR does not require sludge recirculation nor a large sedimentation tank [2, 3]
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