Evaluation of High Rate MBBR to Predict Optimal Design Parameters for Higher Carbon and Subsequent Ammoniacal Nitrogen Removal

Magdum, Sandip S.; Kalyanraman, V.

doi:10.18520/cs/v116/i12/2083-2088

Cited by 8 publications

(6 citation statements)

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“…Maximum removal efficiency of 97.74% and 97.98% were obtained at 12hr and 0.5 hr for both MBBR1 and MBBR2 respectively. The removal efficiencies obtained were good compared to other studies in the literature (Magdum, and Kalyanraman, 2019;Makisha, 2021). Nitrification As an indicator of system stability, TSS were measured.…”

Section: Oil and Grease Removalsupporting

confidence: 54%

Combining Dissolved Air Flotation (DAF) and Modified Moving Bed Biofilm Reactors (MMBBR) for Synthetic Oily Wastewater Treatment

2024

Issue 4 (In Progress)

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<p>Numerous industrial processes, including petroleum refining, food production, car washes, leather manufacturing, and slaughter houses, generate significant volumes of wastewater due to their substantial water consumption during processing. The presence of oily wastewater has detrimental effects on surface and ground water resources, Human health and aquatic ecosystems. This study aims to integrate dissolved air flotation (DAF) and moving bed biofilm reactors (MBBR) for the treatment of oily wastewater. For this reason, a synthetic oily wastewater was prepared by utilizing commercially available powdered starch as an organic source, along with diesel oil and a finely ground soil. In addition, the experiments were designed and analyzed using Response Surface Methodology (RSM). DAF reactor factors were flotation time and air flow rate. While the MBBR reactor variables were mixing time and hydraulic retention time (HRT). The responses were chemical oxygen demand (COD), oil and grease(O&G), ammonia (NH3-N) and total suspended solids (TSS). Optimum results obtained by RSM for the DAF were 10 min for the flotation time and air flow rate of 72 L/min. in addition, HRT for both MBBRs was 23.5 hr and mixing time of 13 min and 23 min for MBBR1 and MBBR2 respectively.</p>

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Section: Oil and Grease Removalsupporting

confidence: 54%

Combining Dissolved Air Flotation (DAF) and Modified Moving Bed Biofilm Reactors (MMBBR) for Synthetic Oily Wastewater Treatment

2024

Issue 4 (In Progress)

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“…The process of nitritation -denitritation is also referred to in the literature as a "nitrite shunt", which limits the oxidation of nitrites to nitrites and enables the reduction of the produced nitrite to N2 by heterotrophic denitrification. Compared to denitrification, oxygen consumption is 25% lower, organic carbon consumption is 40% lower, and excess sludge production is also lower [62]. The authors of [44] state that by combining the control of the length of aeration and the concentration of dissolved oxygen at a temperature of 15°C, a nitrogen removal efficiency of 95% was achieved in SBR with aerobic granular biomass.…”

Section: Nitritation -Denitritionmentioning

confidence: 99%

“…Advanced biological nitrogen removal processes (BNR), e.g., nitritation-denitritation and ANAMMOX, therefore, compared to current BNR processes, show a significant reduction in the need for oxygen and organic substrate. The ANAMMOX process further reduces the oxygen demand by 60% without the need for an organic substrate [62].…”

Section: Nitritation -Denitritionmentioning

confidence: 99%

Nutrient Removal and Recovery from Municipal Wastewater

Derco,

Žgajnar Gotvajn,

Guľašová

et al. 2024

Preprint

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With the ongoing amendment of the EU legislation on the treatment of urban wastewater, stricter requirements for the removal of pollutants are expected, which calls for the need for innovative wastewater treatment technologies. Biological systems are still the first choice. The survey of typical bioreactors applied in wastewater treatment is presented. Wastewater treatment objective, bio-chemical environment and microbial growth are selected as a main criterion for classification of these bioreactors. Hydraulic and kinetic aspects are considered, advantages and drawbacks of these bioreactors regarding the selection of appropriate type of the reactor as well as regarding operation of reactors are mentioned. The aim of this paper is to provide operators and designers with a brief overview of selected traditional and advanced processes, reactors, and technologies for nutrient removal from municipal wastewater. Another goal is to discuss the possibilities and limitations to comply with more strict effluent standards. From the evaluation of the published papers, it follows that the currently applied traditional methods of nutrients removal have the potential to convey also with the expected stricter limits.

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“…Most of them did the acclimatization process as part of their researches e.g., before running the treatment processes. Some of these researches acclimatized microorganisms in a laboratory-scale MBBR [9][10][11]; some in a fixed bed [12,13]. To the best of our knowledge, only few studied the acclimatization process specifically [14].…”

Section: Introductionmentioning

confidence: 99%

“…Most of others did the acclimatization of microorganisms using ASP, either mixed it or not with other wastewaters [9,13]. The remaining studies used fresh sewage from the sewage treatment system, used synthetic wastewaters [10,11]; or used other waters i.e., oil sands process water (OSPW) and growth medium [14]. There is still a need to study the SAP in the pilot or field scale treatment plant, particularly in the MBBR technology.…”

Section: Introductionmentioning

confidence: 99%

Seeding and Acclimatization of Microorganisms in a Moving Bed Biological Reactor (MBBR) for Process Optimization at a Compact Septage Treatment Plant

Dj.,

Rochmah,

Indranoviyani

et al. 2024

Preprint

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In this study, MBBR, utilizing kaldnes as a media to attach and grow microorganisms, was used to treat organics in a Compact Septage Treatment Plant (CSTP). Seeding and acclimatization processes were done initially to ensure the microorganisms were able to grow and adapt well within their environments. This research was done to determine the time required for those processes, the optimum conditions, and the growth mechanism of microorganisms during the acclimatization process. Both processes were run in a batch mode. Changes in colour and weight of kaldnes were analyzed for the seeding stage; while COD, MLVSS, pH &amp; temperature were observed for the acclimatization stage. Seeding and acclimatization were run for 6 and 16 days respectively. Acclimatization stage was halted when MLVSS, pH, temperature and COD reduction efficiency were stable. Three phases of microorganism growth were clearly observed in the end of the acclimatization stage, i.e., lag, constant increasing and declining rates. This indicated that microorganisms could adapt well with the MBBR system, and were ready to be utilized further to treat septage in the MBBR of the CSTP. Further research is required to investigate the efficacy of the MBBR with the acclimatized microorganisms in the CSTP.

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Evaluation of High Rate MBBR to Predict Optimal Design Parameters for Higher Carbon and Subsequent Ammoniacal Nitrogen Removal

Cited by 8 publications

References 0 publications

Combining Dissolved Air Flotation (DAF) and Modified Moving Bed Biofilm Reactors (MMBBR) for Synthetic Oily Wastewater Treatment

Combining Dissolved Air Flotation (DAF) and Modified Moving Bed Biofilm Reactors (MMBBR) for Synthetic Oily Wastewater Treatment

Nutrient Removal and Recovery from Municipal Wastewater

Seeding and Acclimatization of Microorganisms in a Moving Bed Biological Reactor (MBBR) for Process Optimization at a Compact Septage Treatment Plant

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