A model for membrane bioreactor process based on the concept of formation and degradation of soluble microbial products

Lu, Shuguang; Imai, Tsuyoshi; Ukita, Masao; Sekine, Masahiko; Higuchi, Takaya; Fukagawa, Masafumi

doi:10.1016/s0043-1354(00)00461-9

Cited by 118 publications

(85 citation statements)

References 14 publications

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“…Table 5 contains the simulation results obtained with the model proposed in this work and that proposed by Lu et al (2001). No significant differences were found between the DO concentration estimated by both the ASM3 and the ASM1 models and the current value.…”

Section: Resultsmentioning

confidence: 96%

“…In this research, MPs were included in the description of the biotransformation process because they have been shown to represent most of the soluble organic matter in the effluent (Barker and Stuckey, 1999;Boero et al, 1991;Lu et al, 2001;Namkung and Rittman, 1986;Noguera et al, 1994) and their presence is, therefore, of particular interest in terms of achieving discharge consent levels for BOD and COD. In addition, they play a role in suppling organic substrate to heterotrophs and exert a critical influence on the flux rate achieved in the membrane filtration of activated sludge suspensions (Amy et al, 1987).…”

Section: Microbial Productsmentioning

confidence: 99%

“…In addition, they play a role in suppling organic substrate to heterotrophs and exert a critical influence on the flux rate achieved in the membrane filtration of activated sludge suspensions (Amy et al, 1987). Lu et al (2001) divided MPs into two new species, utilization-associated products (UAPs) and biomass-associated products (BAPs), and for the sake of model simplicity and rapid calculation, included both in a modified ASM1 as SMPs (soluble microbial products). Twelve mass balance equations for a single completely mixed membrane bioreactor system under intermittent aerobic conditions were then established.…”

Section: Microbial Productsmentioning

confidence: 99%

See 2 more Smart Citations

Incorporation of the concept of microbial product formation into ASM3 and the modeling of a membrane bioreactor for wastewater treatment

Oliveira-Esquerre

Narita

Yamato

et al. 2006

Braz. J. Chem. Eng.

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-This paper proposes a modification of ASM3 in a way that takes into account the process of production and consumption of microbial products (MPs) in a submerged membrane bioreactor fed with the effluent of a particular precoagulation sedimentation unit. A comparative representation of the modeling results obtained with ASM3 and ASM1 is performed and it highlights the importance of considering the process of storage of organic substrate, including MPs, as a prior step to bacterial growth. In addition to the suspended solids and microorganisms, various soluble organic substances, which might be either undecomposed organic substances contained in the raw water or MPs, are assumed to be selectively retained within the bioreactor. The results show that the carbonaceous materials are more accurately estimated by ASM3, while ASM1 performs slightly better than ASM3 in the estimation of nitrate. The estimated MP concentration in the mixed liquor and permeate agrees with the experimental evidence, and as expected, MPs play a role in supplying organic substrate to heterotrophs in both ASM1 and ASM3.

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Section: Resultsmentioning

confidence: 96%

Section: Microbial Productsmentioning

confidence: 99%

Section: Microbial Productsmentioning

confidence: 99%

See 1 more Smart Citation

Incorporation of the concept of microbial product formation into ASM3 and the modeling of a membrane bioreactor for wastewater treatment

Oliveira-Esquerre

Narita

Yamato

et al. 2006

Braz. J. Chem. Eng.

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“…The introduction of convective transport is crucial in overcoming diffusive mass transport limitation of nutrients (Nakajima and Cardoso, 1989) especially of the sparingly soluble oxygen. Several investigators modeled the mass transport through this biocatalyst layer, through enzyme membrane layer (Ferreira et al, 2001;Long et al, 2003;Belfort, 1989;Hossain and Do, 1989;Calabro et al, 2002;Waterland et al, 1975; www.intechopen.com Salzman et al, 1999;Carvalho et al, 2000) or cell culture membrane layer (Melo and Oliveira, 2001;Chau, 1990, 1996;Piret and Cooney, 1991;Sardonini and Dibiasio, 1992;Lu et al, 2001;Schonberg and Belfort, 1987). These studies analyze both the mass transport through the membrane and the bulk phase concentration change.…”

Section: Introductionmentioning

confidence: 99%

Mass Transfer through Catalytic Membrane Reactor

Nagy¹

2011

Mass Transfer in Multiphase Systems and Its Applications

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“…The need to widen the model boundaries and to include other process units led to the development of several other models such as ADM1 for anaerobic treatment (Batstone et al 2002), fixed biomass (Rittmann & McCarty 1980;Wanner & Gujer 1986;Horn et al 2003) and membrane bioreactors (MBRs; Lu et al 2001;Jiang et al 2008). Nitrite as an intermediate compound is included in several models (Sin et al 2008).…”

Section: Introductionmentioning

confidence: 99%

New framework for standardized notation in wastewater treatment modelling

Corominas

Rieger

Takács³

et al. 2010

Water Science and Technology

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Many unit process models are available in the field of wastewater treatment. All of these models use their own notation, causing problems for documentation, implementation and connection of different models (using different sets of state variables). The main goal of this paper is to propose a new notational framework which allows unique and systematic naming of state variables and parameters of biokinetic models in the wastewater treatment field. The symbols are based on one main letter that gives a general description of the state variable or parameter and several subscript levels that provide greater specification. Only those levels that make the name unique within the model context are needed in creating the symbol. The paper describes specific problems encountered with the currently used notation, presents the proposed framework and provides additional practical examples. The overall result is a framework that can be used in whole plant modelling, which consists of different fields such as activated sludge, anaerobic digestion, sidestream treatment, membrane bioreactors, metabolic approaches, fate of micropollutants and biofilm processes. The main objective of this consensus building paper is to establish a consistent set of rules that can be applied to existing and most importantly, future models. Applying the proposed notation should make it easier for everyone active in the wastewater treatment field to read, write and review documents describing modelling projects.

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A model for membrane bioreactor process based on the concept of formation and degradation of soluble microbial products

Cited by 118 publications

References 14 publications

Incorporation of the concept of microbial product formation into ASM3 and the modeling of a membrane bioreactor for wastewater treatment

Incorporation of the concept of microbial product formation into ASM3 and the modeling of a membrane bioreactor for wastewater treatment

Mass Transfer through Catalytic Membrane Reactor

New framework for standardized notation in wastewater treatment modelling

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