Open AccessKey performance indicators (KPIs) comparison of food chain reactor and conventional oxidation ditch technology in industrial waste treatment
Author(s) -
Temmy Wikaningrum,
Rijal Hakiki
Publication year - 2020
Publication title -
journal of environmental engineering and waste management
Language(s) - English
Resource type - Journals
eISSN - 2548-6675
pISSN - 2527-9629
DOI - 10.33021/jenv.v5i1.969
Subject(s) - performance indicator , food waste , key (lock) , oxidation ditch , business , environmental science , waste management , manufacturing engineering , computer science , engineering , sewage treatment , marketing , computer security
The oxidation process as the activated sludge (AS) system has been implemented widely in urban and industrial wastewater treatment. Oxidation ditch can be categorized as an advanced aeration activated sludge. I ntegrated Fix-Film Activated Sludge ( IFAS ) process has been already developed for decades that was a reasonable approach for technology to upgrade the activated sludge wastewater treatment plant (WWTP). IFAS processes are a combination of biofilm reactors and activated sludge processes, biofilm is introducing and retaining as the carrier media for microorganism growth. Both IFAS and AS processes can achieve similar percent removal of COD and ammonia. Current WWTP’s development was food chain reactor ( FCR ) which mainly IFAS process of engineered media that combining with natural plants with the plant roots submerging into the reactors. The references review and secondary data of the application in Jababeka’s WWTP-2 for both AS and FCR system showed that FCR is needless parameters to be controlled. In both AS and FCR have KPIs of flow rate (m 3 /day), F/M ratio, energy consumption (kWh/m 3 wastewater), Oxygen supply (kgO 2 / m 3 wastewater in each reactor, % removal of COD, BOD, TSS, NH 3 , TKN, NO 2 , and heavy metals, and pH, Dissolved Oxygen, microorganism performance in the reactor. Different from AS, the FCR system is not required to control the parameters of sludge retention time ( SRT ) , recirculated activated sludge ( RAS ) , sludge volume index ( SVI ), and mixed liquor suspended solids ( MLSS ) of activated sludge.
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