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Review Article

State-of-the-art of membrane flux enhancement in membrane bioreactor

, ORCID Icon & ORCID Icon | (Reviewing editor)
Article: 1489700 | Received 23 Mar 2018, Accepted 13 Jun 2018, Published online: 13 Jul 2018

Figures & data

Table 1. Prior art reviews on membrane fouling in MBR

Table 2. Types of membrane pore blocking in terms of Hermia’s pore-blocking models

Table 3. Membrane fouling classifications in MBR

Figure 1. Organic fouling development by biopolymers.

Figure 1. Organic fouling development by biopolymers.

Table 4. Analysis of the characteristic pore-blocking patterns for the typical foulants

Table 5. Characteristic fouling types for the blocking mechanisms and the best suitable cleaning methods

Table 6. Membrane flux enhancement in MBR

Figure 2. The formation of organic/inorganic solid complexes with the aid of a) ferric (III) and b) aluminium coagulants.

Figure 2. The formation of organic/inorganic solid complexes with the aid of a) ferric (III) and b) aluminium coagulants.

Figure 3. Pathways for the coagulation of humic substances by aluminium ions at higher pH levels (Bolto, Citation1995; Bratby, Citation2016).

Figure 3. Pathways for the coagulation of humic substances by aluminium ions at higher pH levels (Bolto, Citation1995; Bratby, Citation2016).

Figure 4. The interaction between PolyDADMAC and functional groups of the bacterium surface.

Figure 4. The interaction between PolyDADMAC and functional groups of the bacterium surface.

Figure 5. The elimination of bacterium with the aid of cationic PAM via the charge neutralization mechanism.

Figure 5. The elimination of bacterium with the aid of cationic PAM via the charge neutralization mechanism.

Figure 6. Possible arrangement of the cations on the surface of the suspended solid and the charge patch agglomeration mechanism (Bolto, Citation1995).

Figure 6. Possible arrangement of the cations on the surface of the suspended solid and the charge patch agglomeration mechanism (Bolto, Citation1995).

Figure 7. Structure of chitosan depending on pH conditions (Kumirska, Weinhold, Thöming, & Stepnowski, Citation2011; Sakkayawong, Thiravetyan, & Nakbanpote, Citation2005).

Figure 7. Structure of chitosan depending on pH conditions (Kumirska, Weinhold, Thöming, & Stepnowski, Citation2011; Sakkayawong, Thiravetyan, & Nakbanpote, Citation2005).

Table 7. Intrinsic mechanisms of chemical action in the reduction of a system’s fouling propensity under membrane flux enhancement in MBR