Elaboration and characterization of novel two-layer tubular ceramic membranes by coating natural zeolite and activated carbon on mullite-alumina-zeolite support: application for oily wastewater treatment

Jafari, Behrouz; Abbasi, Mohsen; Hashemifard, Seyed Abdollatif

doi:10.1080/21870764.2020.1793475

Cited by 18 publications

(9 citation statements)

References 39 publications

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“…The silicates and alumina form the main composition of each clay studied. This outcome aligns with the findings in the study of natural zeolite-based clay ceramic membranes [40].…”

Section: Characterization Of the Raw Materialssupporting

confidence: 90%

Comparative Study of Ceramic Membranes Developed on Different Algerian Natural Clays for Industrial-Effluent Filtration

et al. 2023

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This research is based on the deposition of ceramic membranes made from Algerian clays within tubular supports. The major objective is to compare the mechanical strength and water permeability of the developed supports. The membranes made from the same clays are then examined in terms of their application areas and efficacy in treating a local-cheese effluent. The study of these clays demonstrates that the tubular supports made from Aomar clay are more robust than those obtained from kaolin and bentonite. This was due to the higher calcination temperature, which was 1000°C for Aomar and kaolin clays and 800°C for bentonite. However, the tubular support based on kaolin has the maximum water permeability (1460.09 L/m2.h.bar). In addition, the permeability tests performed on the membranes deposited on these clays indicate that those of bentonite and Aomar clay are ultrafiltration membranes, whereas the membrane obtained from kaolin is a microfiltration membrane. We demonstrated that the three membranes show high efficiency for the clarification and retention of multiple-pollutant loads of a local-cheese effluent.

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“…The silicates and alumina form the main composition of each clay studied. This outcome aligns with the findings in the study of natural zeolite-based clay ceramic membranes [40].…”

Section: Characterization Of the Raw Materialssupporting

confidence: 90%

Comparative Study of Ceramic Membranes Developed on Different Algerian Natural Clays for Industrial-Effluent Filtration

et al. 2023

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“…Membran itu dilsisi dengan zeolit alam dan karbon aktif. Hasilnya membarn ini dapat mengurangi minyak dalam air 90 mg/L [6]. Beberapa air hasil saringan zeolit alam masih kurang murni sehingga masih perlu ditambah dengan karbon aktif.…”

Section: Pendahuluanunclassified

Penambahan Arang Batok Kelapa ke Zeolit Alam untuk Filter Air Keramik

Respati,

Purwanto,

Kholis

et al. 2024

CERIE

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Campuran zeolit alam dan arang tempurung kelapa ini dapat digunakan sebagai filter karena sifat fisik, kimia dan adsorbennya yang unik untuk cairan. Filter yang ada masih berupa partikel-partikel kecil yang disusun. Susunan partikel dapat berubah yang mebuat tidak maksimal penyaringannya. Perlu adanya inovasi pembuatan filter keramik berbahan baku zeolit alam-arang tempurung kelapa. Filter keramik berbahan dasar zeolit alam dan arang tempurung kelapa telah dibuat dengan cara sinterin pada suhu 900o C. Pada penelitian ini dilakukan perhitungan penyusutan, densitas dan porositas filter keramik. Hasil penyaringan diukur dengan flowabilitily dan nilai TDS (Total Dissolved Solid) air. Hasil penelitian ini menunjukkan bahwa semakin banyak campuran arang tempurung kelapa maka semakin tinggi susutnya, semakin rendah densitasnya, semakin tinggi nilai porositasnya, semakin tinggi debit airnya dan semakin rendah nilai TDS airnya. Penambahan arang batik kelapa terbukti mengurangi kandungan partikel dalam air meskipun memperbesar porositas

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“…The Guerout-Elford-Ferry Equation ( 5) was utilized to ascertain the average pore radius (r m ) of the MD membranes by employing distilled water and porosity [51].…”

Section: Characterization Of Fabricated Membranesmentioning

confidence: 99%

Eco-Friendly Superhydrophobic Modification of Low-Cost Multi-Layer Composite Mullite Base Tubular Ceramic Membrane for Water Desalination

Zare,

Abbasi,

Hashemifard

et al. 2024

Water

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This study aimed to investigate and develop a cost-effective and superhydrophobic ceramic membrane for direct contact membrane distillation (DCMD) applications. Two types of mullite-based composite membranes were prepared via extrusion and sintering techniques. To create a small and narrow pore diameter distribution on the membrane surface, the dip-coating technique with 1 µm alumina was employed. The hexadecyltrimethoxysilane eco-friendly grafting agent was adopted to modify low-cost multilayer mullite-based composite membranes, transforming them from hydrophilic to superhydrophobic. The prepared membranes were characterized via field emission scanning electron microscopy (FESEM), energy-dispersive spectrometry (EDS), Fourier Transform Infrared Spectroscopy (FT-IR), X-ray diffraction (XRD), liquid entire pressure (LEP), contact angle, atomic force microscopy (AFM), porosity, and membrane permeability. The results of the prepared membranes validate the appropriateness of the material for membrane distillation applications. The optimized membrane, with a contact angle of 160° and LEP = 1.5 bar, was tested under DCMD using a 3.5 wt.% sodium chloride (NaCl) synthetic solution and Persian Gulf seawater as a feed. Based on the acquired results, an average permeate flux of 3.15 kg/(m2·h) and salt rejection (R%) of 99.62% were found for the 3.5 wt.% NaCl solution. Moreover, seawater desalination showed an average permeate flux of 2.37 kg/(m2·h) and salt rejection of 99.81% for a 20-h test without any pore wetting. Membrane distillation with a hydrophobic membrane decreased the turbidity of seawater by 93.13%.

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Elaboration and characterization of novel two-layer tubular ceramic membranes by coating natural zeolite and activated carbon on mullite-alumina-zeolite support: application for oily wastewater treatment

Abstract: (2020) Elaboration and characterization of novel two-layer tubular ceramic membranes by coating natural zeolite and activated carbon on mullite-alumina-zeolite support: application for oily wastewater treatment,

Cited by 18 publications

References 39 publications

Comparative Study of Ceramic Membranes Developed on Different Algerian Natural Clays for Industrial-Effluent Filtration

Comparative Study of Ceramic Membranes Developed on Different Algerian Natural Clays for Industrial-Effluent Filtration

Penambahan Arang Batok Kelapa ke Zeolit Alam untuk Filter Air Keramik

Eco-Friendly Superhydrophobic Modification of Low-Cost Multi-Layer Composite Mullite Base Tubular Ceramic Membrane for Water Desalination

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