membrane based desalination: an integrated approach (medina) · 2019. 5. 22. · figure 2.4...

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© 2011 IWA Publishing. Membrane-Based Desalination: An Integrated Approach (MEDINA). Edited by Enrico Drioli, Alessandra Criscuoli and Francesca Macedonio. ISBN: 9781843393214. Published by IWA Publishing, London, UK. Figure 1.2 LC-OCD results for: Fresh water (left), estuarine water (middle) and Seawater (right) Figure 1.4 Organic matter fractions along the treatment plant a) b) Figure 1.10 Bacterial community structure in a full-scale desalination plant (FSDP), Site D, as revealed by capillary electrophoresis single-stranded conformational polymorphism (CE-SSCP). (A) Superimposed normalised DNA profiles showing different peak profiles for seawater samples at different sampling periods respectively. OI, open intake seawater; F, SWRO membrane feed water after pre-treatment. (B) Similarity of the DNA CE-SSCP profiles from samples taken from different compartments of a FSDP; open intake seawater (OI), seawater reverse osmosis (SWRO) membrane feed water after pre-treatment (F) at different sampling periods revealed in the dendrogram. Bray Curtis similarities were calculated between pairwise comparisons of the sample profiles and the dendrogram was constructed by the average linkage method. Membrane Based Desalination: An Integrated Approach (MEDINA) The following are colour reproductions of figures that appear in the book.

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  • © 2011 IWA Publishing. Membrane-Based Desalination: An Integrated Approach (MEDINA). Edited by Enrico Drioli, Alessandra Criscuoli and Francesca Macedonio. ISBN: 9781843393214. Published by IWA Publishing, London, UK.

    Figure 1.2 LC-OCD results for: Fresh water (left), estuarine water (middle) and Seawater (right)

    Figure 1.4 Organic matter fractions along the treatment plant

    a) b)

    Figure 1.10 Bacterial community structure in a full-scale desalination plant (FSDP), Site D, as revealed by capillary electrophoresis single-stranded conformational polymorphism (CE-SSCP). (A) Superimposed normalised DNA profi les showing different peak profi les for seawater samples at different sampling periods respectively. OI, open intake seawater; F, SWRO membrane feed water after pre-treatment. (B) Similarity of the DNA CE-SSCP profi les from samples taken from different compartments of a FSDP; open intake seawater (OI), seawater reverse osmosis (SWRO) membrane feed water after pre-treatment (F) at different sampling periods revealed in the dendrogram. Bray Curtis similarities were calculated between pairwise comparisons of the sample profi les and the dendrogram was constructed by the average linkage method.

    Membrane Based Desalination: An Integrated Approach (MEDINA)

    The following are colour reproductions of fi gures that appear in the book.

  • Figure 2.4 Biofouling of live (green), dead (red) cells and EPS (blue) on RO membrane of the MBR and the UF system’s permeate after 7 days. A and B UF system permeate and C and D- MBR � UF system’s permeate

    Figure 1.11 Schematic representation of the hierarchical classifi cation and distribution of the 16S ribosomal RNA gene sequences into major bacterial groups from clone libraries obtained from water samples a full-scale desalination plant (FSDP) comprising open intake seawater (OI) and seawater reverse osmosis (SWRO) membrane feed water after pretreatment (F)

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    HetiS)1(CetiSDetiS

    Prop

    ortio

    n (%

    )

    Carbonyl-C Carboxyl-C Aromat-C O-Alky-C N-Alkyl Methoxyl-C Alkyl-C

    Figure 3.3 13C-NMR results for deposits from sites D, C(1) and H

    Figure 3.4 13C-NMR profi les of autopsied modules from sites D, C(1), and H

  • Figure 3.13 Bacterial community structure in a full-scale desalination plant (FSDP) as revealed by capillary electrophoresis single-stranded conformational polymorphism (CE-SSCP). (A and B) Superimposed normalised DNA and cDNA profi les showing different peak profi les for SWRO membrane samples respectively

    Figure 3.12 Bacterial community structure in a full-scale desalination plant (FSDP) as revealed by capillary electrophoresis single-stranded conformational polymorphism (CE-SSCP). (A) Superimposed normalised DNA profi les for samples taken from different positions in the seawater reverse osmosis (SWRO) membrane module relative to the water fl ow fl ux. (B) Superimposed normalised DNA and the corresponding cDNA profi les for seawater reverse osmosis (SWRO) membrane samples analysed at two independent dates (2 and 2b)

  • Figure 3.14 Bacterial community structure in SWRO membranes from desalination plants as revealed by capillary electrophoresis single-stranded conformational polymorphism (CE-SSCP). Superimposed cDNA profi les from Sites A, D, E, G and H

    90%

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    100%

    ]%[lavomerCCT]%[lavomertisopeD

    Rem

    ova

    l [%

    ]

    cleaned with NaOH

    cleaned with HCl

    cleaned with oxalic acid

    cleaned with NaOH/SDS& oxalic acid

    Figure 4.6 Removal of deposit and total cell counts (TCC) in the mixed fouling layers

    80%

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    HCl (pH 2) NaOH (pH 12) Oxalic acid (1 % w/v) NaOH (pH12) + 0.03 %SDS followed by oxalic

    acid (1 %)

    Sal

    t re

    ten

    tio

    n [

    %]

    before cleaning

    after cleaning

    Figure 4.7 Salt retention of fouled membranes before and after cleaning. (The recommended salt retention as given by the manufacturer is 99.0%–99.5% and is marked as light blue bar in the Figure)

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    Before cleaning AfterSequence_A

    AfterSequence_B

    %

    Others

    PHA-ABZ

    PHA

    AS

    PS-AA

    PS

    PR

    Figure 4.11 Biopolymers distribution in lyophilized deposit after cleaning sequences applied during bench-scale experiments; PR: Proteins, PS: Polysaccharides, PS-AA: Acetic Acid, AS: Amino sugars, PHA: Polyhydroxyaromatic, PHA-ABZ: Alkyl benzene

    1,52

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    35°C and 90,2% 35°C and 95,2% 35°C and 97% 50°C and 90,2% 50°C and 95,2% 50°C and 97%

    Fres

    h w

    ater

    cos

    t [$/

    m3]

    water cost without salt salewater cost without salt sale and with thermal energy available in the plantwater cost with salt salewater cost with salt sale and thermal energy available

    Figure 5.33 Water cost of the considered membrane desalination system with MCr operation on RO brine (at different MCr recovery factor and at different temperature of the MCr feed)

  • time (h)

    Sol

    arra

    diat

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    W/m

    2

    Example of comparison with the experimental values

    December 21 slope = 45°

    Example of comparison with the experimental values Day 02/05/2008 slope = 30°

    T (

    °C)

    time (h)

    Figure 6.10 Comparison between simulation and experimental results

    Solar captors

    Heat exchanger

    Tank

    Membrane module

    Vacuum pump

    Seawater

    Water

    Rec

    ircu

    lati

    on

    Qr, Tfo, Cfo

    Qfi, Tfi, Cfi

    Qs, Ts2, Cs Qs, Ts1, Cs Qs, Ts0, Cs

    Qt2, Tw, Cw

    Qt1, Tt1, Cw

    Qt0, Tw Cw

    Qp, Tp, Cw

    Qfc, Tfo, Cfo

    Qfo, Tfo, Cfo

    Qw, Tw, Cw

    Solar captors

    Tank

    Membrane module

    Seawater

    Water

    Qr, Tfo, Cfo

    Qfi, Tfi, Cfi

    Qs, Ts2, Cs Qs, Ts1, Cs Qs, Ts0, Cs

    Qt2, Tw, Cw

    Qt1, Tt1, Cw

    Qt0, Tw Cw

    Qp, Tp, Cw

    Qfc, Tfo, Cfo

    Qfo, Tfo, Cfo

    Qw, Tw, Cw

    Figure 6.12 Scheme of the designed plant

  • Figure 6.13 Example of typical information obtained during simulation runs

    Figure 6.14 Temperature profi les

  • Figure 9.5 MCA ranking results of the four alternatives by four expert groups. BWL: beachwell, UF: ultrafi ltration, CI: conventional pretreatment, CII: conventional pretreatment with waste (sludge) treatment (Lattemann, 2010)