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- 저자 : Marc Heran (검색결과 3 건)
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Amine Charfi,Muhammad Aslam,Geoffroy Lesage,Marc Heran,김정환 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.49 No.-
A mathematical model was presented to understand membrane fouling in anaerobicfluidized bedmembrane bioreactor (AFMBR). Assuming three fouling mechanisms, the cake formation, progressiveporosity reduction and the pore blocking, the model describes the effect of granular activated carbon(GAC) on fouling resistance and mechanisms. The model shows satisfactory description of transmem-brane pressure with R299%. Using GAC particles (2–3 mm) allows a better fouling mitigation byremoving cake deposit while long term fouling is due to pore blocking. Thefluidized small GAC particles(0.18–0.5 mm) foster the cake formation by their deposit on membrane surface.
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A review on anaerobic membrane bioreactors (AnMBRs) focused on modelling and control aspects
Robles, Á,ngel,Ruano, Maria Victoria,Charfi, Amine,Lesage, Geoffroy,Heran, Marc,Harmand, Jé,rô,me,Seco, Aurora,Steyer, Jean-Philippe,Batstone, Damien J.,Kim, Jeonghwan,Ferrer, Jos&eac Elsevier 2018 Bioresource technology Vol.270 No.-
<P><B>Abstract</B></P> <P>The use of anaerobic membrane bioreactor technology (AnMBR) is rapidly expanding. However, depending on the application, AnMBR design and operation is not fully mature, and needs further research to optimize process efficiency and enhance applicability. This paper reviews state-of-the-art of AnMBR focusing on modelling and control aspects. Quantitative environmental and economic evaluation has demonstrated substantial advantages in application of AnMBR to domestic wastewater treatment, but detailed modelling is less mature. While anaerobic process modelling is generally mature, more work is needed on integrated models which include coupling between membrane performance (including fouling) and the biological process. This should include microbial factors, which are important to generation of specific foulants such as soluble and particulate inert organics. Mature and well-established control tools, including better feedback control strategies are also required for both the process, and for fouling control.</P> <P><B>Highlights</B></P> <P> <UL> <LI> AnMBR needs further research to optimize process efficiency. </LI> <LI> Modelling can provide insight into the factors playing a key role in AnMBR. </LI> <LI> Process models still face a long path to adaptation in practice. </LI> <LI> Better understanding of fouling mechanisms in AnMBRs is required. </LI> <LI> Control strategies can be further optimized from mechanistic knowledge of fouling. </LI> </UL> </P>
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Charfi, Amine,Thongmak, Narumol,Benyahia, Boumediene,Aslam, Muhammad,Harmand, Jé,rô,me,Amar, Nihel Ben,Lesage, Geoffroy,Sridang, Porntip,Kim, Jeonghwan,Heran, Marc Elsevier 2017 Bioresource technology Vol.245 No.1
<P><B>Abstract</B></P> <P>An Anaerobic Membrane BioReactors (AnMBR) model is presented in this paper based on the combination of a simple fouling model and the Anaerobic Model 2b (AM2b) to describe biological and membrane dynamic responses in an AnMBR. In order to enhance the model calibration and validation, Trans-Membrane Pressure (TMP), Total Suspended Solid (TSS), COD, Volatile Fatty Acid (VFA) and methane production were measured. The model shows a satisfactory description of the experimental data with R<SUP>2</SUP> ≈0.9 for TMP data and R<SUP>2</SUP> ≈0.99 for biological parameters. This new model is also proposed as a numerical tool to predict the deposit mass composition of suspended solid and Soluble Microbial Products (SMP) on the membrane surface. The effect of SMP deposit on the TMP jump phenomenon is highlighted. This new approach offers interesting perspectives for fouling prediction and the on-line control of an AnMBR process.</P> <P><B>Highlights</B></P> <P> <UL> <LI> A model has been proposed to simulate fouling in an anaerobic membrane bioreactor. </LI> <LI> The proposed model is able to simulate the major foulants concentrations in the AnMBR. </LI> <LI> A numerical tool has been developed to determine the deposit cake composition. </LI> <LI> The Transmembrane pressure jump is due to a decrease in cake porosity. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
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