Synthesis of LTA zeolite for bacterial adhesion

Belaabed, Raja; Abed, Soumya El; Addaou, Abdellah; Laajab, Ali; Rodríguez, Miguel Á.; Lahsini, Ahmed

doi:10.1016/j.bsecv.2016.05.001

Cited by 39 publications

(13 citation statements)

References 23 publications

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“…For Na-X (Figure 2f), there is s general shift of the bands of fused kaolinite to high wave numbers. The peaks at 1000 cm -1 , 667 cm -1 and 450 cm -1 arise from the asymmetric stretching, symmetric stretching and bending vibration, respectively, of T-O bonds in TO 4 tetrahedral [29]. The band at ca.…”

Section: Hydrothermal Crystallization Productsmentioning

confidence: 97%

The effects of metakaolinization and fused-metakaolinization on zeolites synthesized from quartz rich natural clays

Otieno

Kengara

Kemmegne‐Mbouguen

et al. 2019

Microporous and Mesoporous Materials

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Section: Hydrothermal Crystallization Productsmentioning

confidence: 97%

The effects of metakaolinization and fused-metakaolinization on zeolites synthesized from quartz rich natural clays

Otieno

Kengara

Kemmegne‐Mbouguen

et al. 2019

Microporous and Mesoporous Materials

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“…It can be seen that Pseudomonas aeruginosa (PA) and Staphylococcus aureus (SA) prefer a surface with low to moderate contact angle, i.e. hydrophilic surface, as these species have a hydrophilic surfaces 43,44 that can be attached largely to hydrophilic surfaces 1,45 . While, Klebsiella pneumonia (KP), which has hydrophilic surface 46 , prefers a surface with very specific range of moderate contact angle.…”

Section: Resultsmentioning

confidence: 99%

The Role of Anatase Nanoparticles on the Mechanical Properties and the Bacterial Adhesion to Acrylonitrile-Butadiene-Styrene Terpolymer

Disher

Al-Rubiae

2019

Mat. Res.

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This work aims to synthesize composite material which combines adequate mechanical properties and high resistance to bacterial adhesion. Such materials are needed in many components in the medical, industrial, and environmental applications. To obtain that combination, high weight percents of anatase nanoparticles, as bacterial adhesion reducer, were incorporated into a matrix of the ABS terpolymer. Pseudomonas aeruginosa, Staphylococcus aureus, and Klebsiella pneumonia were selected for the bacterial adhesion tests. The surface properties of the composites were investigated and correlated to the adhesion behavior using nonlinear regression technique. It has been found that adding anatase nanoparticles improves the stiffness and the compressive strength of the terpolymer with a noticeable reduction in the flexural strength due to the development of minor defects in the structure. Nevertheless, a composite containing 10 wt% of anatase nanoparticles exhibited an interesting and adequate combination of the mechanical properties and the resistance to bacterial adhesion. The regression analysis produced a mathematical formula that excellently fits the experimental data. Such formula can be used to predict the bacterial adhesion to a surface based on its multi-scale features.

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“…LTA zeolite and bentonite-modified electrodes were prepared as films coated on carbon felt electrodes. LTA zeolite was synthesized following the protocol of Belaabed et al [11] and bentonite was purchased from Sigma-Aldrich (France). Before deposition, the carbon felt electrode surface was washed with acetone and rinsed with water and ethanol.…”

Section: Preparation Of Clay-modified Electrodesmentioning

confidence: 99%

Low-Cost Electrode Modification to Upgrade the Bioelectrocatalytic Oxidation of Tannery Wastewater Using Acclimated Activated Sludge

et al. 2019

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Effective and eco-friendly technologies are required for the treatment of tannery wastewater as its biological toxicity and large volume leads toground water pollution. Hydrophobic (unmodified carbon felt) and hydrophilic modified carbon felt with Linde Type A zeolite (LTA zeolite) and bentonite were examined for their effects on bacterial attachment, current generation, and tannery wastewater treatment efficiency. Chronoamperometry and cyclic voltammetry confirmed the higher electron transfer obtained with modified anodes. Maximum current densities of 24.5 and 27.9 A/m² were provided with LTA zeolite and bentonite-modified anodes, respectively, while the unmodified carbon felt gave a maximum current density of 16.9 A/m². Compared with hydrophobic unmodified carbon felt, hydrophilic modified electrodes increased the exploitation of the internal surface area of the 3D structure of the carbon felt by the electroactive biofilm. The study revealed 93.8 ± 1.7% and 96.3 ± 2.1% of chemical oxygen demand (COD) reduction for LTA zeolite and bentonite, respectively. Simultaneous chromium removal was achieved with values of 94.6 ± 3.6 and 97.5 ± 2.2 for LTA zeolite and bentonite, respectively. This study shows the potential approach of carbon felt clay modification for the efficient tannery wastewater treatment using bioelectrochemicals systems (BESs) accompanied with high current recovery.

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Synthesis of LTA zeolite for bacterial adhesion

Cited by 39 publications

References 23 publications

The effects of metakaolinization and fused-metakaolinization on zeolites synthesized from quartz rich natural clays

The effects of metakaolinization and fused-metakaolinization on zeolites synthesized from quartz rich natural clays

The Role of Anatase Nanoparticles on the Mechanical Properties and the Bacterial Adhesion to Acrylonitrile-Butadiene-Styrene Terpolymer

Low-Cost Electrode Modification to Upgrade the Bioelectrocatalytic Oxidation of Tannery Wastewater Using Acclimated Activated Sludge

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