Experimental and statistical investigation on fabrication and performance evaluation of structurally tailored PAN nanofiltration membranes for produced water treatment

Shahriari, Hamid Reza; Hosseini, Seyed Saeid

doi:10.1016/j.cep.2019.107766

Cited by 26 publications

(22 citation statements)

References 114 publications

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“…So many experiments are needed while using these methods which take more time and cost more (Sharif et al 2016). Experimental design for the modeling and optimization of produced water treatments is an important procedure to promote pollutants removal efficiency while decreasing the number of experiments considerably (Chen et al 2019;Sheikholeslami et al 2019;Shahriari & Hosseini 2020).…”

Section: Introductionmentioning

confidence: 99%

Using BCN nanostructure as anode electrode for photoelectrocatalytic degradation of organics: a statistical approach

Ebadi¹,

Ghasemipanah²,

Alaie³

et al. 2021

Journal of Water Supply: Research and Technology-Aqua

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In this study, boron carbon nitride (BCN) nanostructures were used as photocatalyst which was synthesized in a chemical vapor deposition reactor. Photoelectrocatalysis was used for degradation organic pollutants from produced water. BCN nanostructures were coated on a coil-type copper wire to be as anode electrode in the photoelectrocatalytic process. The effect of different parameters on chemical oxygen demand (COD) removal efficiency from produced water was investigated by a central composite design (CCD) to maximize photoelectrocatalysis influence as one of the most used methods of wastewater treatment. A 12 run Plackett–Burman design was used for screening of the parameters (initial COD, electrical conductivity, applied cell voltage, UV lamp wavelength, H2O2 concentration, residence time, and initial pH) which led to the selection of residence time and initial pH as effective parameters. Since the core goal of this study was to maximize the COD removal efficiency, the steepest ascent method was used to propel these two parameters to the optimum region. Finally, CCD showed that applying photoelectrocatalysis could lead to 88.79% of the COD removal efficiency which would be an optimum value at a residence time of 15.85 min and a pH value of 3.3. Ultimately, this result was confirmed by experimentation at those conditions.

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Section: Introductionmentioning

confidence: 99%

Using BCN nanostructure as anode electrode for photoelectrocatalytic degradation of organics: a statistical approach

Ebadi¹,

Ghasemipanah²,

Alaie³

et al. 2021

Journal of Water Supply: Research and Technology-Aqua

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“…Nanoparticles tend to agglomerate on the surface of membrane considering their hydrophilic nature. High concentrations of TiO 2 in the Matrimid solution reduces the distance between nanoparticles due to the presence of multiple forces (ie, hydration, bridge, Van der Waals) and promoting agglomeration and reduction in surface energy 13 . A minor increase in the contact angle in the case of 5 wt.% TiO 2 may be owing to the competing effects of the aggregation of particles due to their surface energy as well as the increased surface roughness.…”

Section: Resultsmentioning

confidence: 99%

“…Their best results with 1.1 wt.% TiO 2 addition for P18E30T (PMDA‐ODA PAA/Ethanol/TiO 2 ) membrane showed water permeability of 6.0 Litm −2 hours −1 bar −1 and RB rejection of 95.7% of from an aqueous system. In another study, Shahriari et al 13 reported that by increasing the concentration of TiO 2 up to 0.98 wt.% in dope solution, both water flux and CaSO 4 rejection of PAN nanofiltration membrane enhanced from 108.8 to 131.5 LMH and from 73.5% to 83%, respectively.…”

Section: Introductionmentioning

confidence: 97%

Exploring the characteristics, performance, and modification of Matrimid for development of thin‐film composite and thin‐film nanocomposite reverse osmosis membranes

Hosseini

Palandi

Mokarinezhad

2020

Polymers for Advanced Techs

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Reverse osmosis (RO) membrane technology is widely employed to address the demands for freshwater. In this study, fabrication and performance evaluation of customized RO membranes comprised of Matrimid and polyacrylonitrile (PAN) is carried out. While exploring adoption of slip coating procedure, the effects of various modification techniques including incorporation of TiO2 nanoparticles and polyethylene glycol (PEG) into the skin layer as well as cross‐linking were investigated. The individual and combined effects of parameters on membrane morphology, surface characteristics and performance were also examined. Despite the distinctive characteristics of involved materials, delamination‐free composite membranes were successfully formed with an intimate contact at the interface of two layers. The results also indicated that increasing concentration of Matrimid in dope solution led to increase in membrane thickness and consequently decline in water flux. In the best case, membrane prepared using 1 wt.% Matrimid in dope exhibited water flux of 0.98 LMH and NaCl rejection of 95.7%. Also, incorporation of 3 wt.% TiO2 nanoparticles offered membranes with improved water flux of 1.37 LMH and salt rejection of 95.8%. On the other hand, water flux and salt rejection in membranes containing 5 wt.% PEG were 1.18 LMH and 96.2%, respectively. The co‐presence of both nanoparticles and PEG provided more insights about the contributing factors in tuned membranes. Modification of skin layer by cross‐linking significantly improved salt rejection at the expense of water flux. The results are scientifically interpreted and compared to the values reported in literature.

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“…In the mid-1980s, Eriksson [46] used the term NF for the new class of membranes that their characteristics fall between UF and RO [2,26,[46][47][48][49]. The pore size and molecular weight cut-off (MWCO) of NF membranes are 1-10 nm [50][51][52] and 100-2000 Da [26], respectively. The operating pressure is usually 5-35 bar [49].…”

Section: Nanofiltration Fundamentalsmentioning

confidence: 99%

A Review on the Nanofiltration Process for Treating Wastewaters from the Petroleum Industry

Jafarinejad

Esfahani

2021

Separations

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Activities and/or processes in different segments of the petroleum industry, including upstream and downstream, generate aqueous waste streams containing oil and various contaminants that require treatment/purification before release/reuse. Nanofiltration (NF) technology has been approved as an efficient technology for treating wastewater streams from the petroleum industry. The primary critical issues in an NF treatment process can be listed as mitigation of membrane fouling; selection of appropriate pre-treatment process; and selection of a suitable, cost-effective, non-hazardous cleaning strategy. In this study, NF separation mechanisms, membrane fabrication/modification, effective factors on NF performance, and fouling are briefly reviewed. Then, a summary of recent NF treatment studies on various petroleum wastewaters and performance evaluation is presented. Finally, based on the gaps identified in the field, the conclusions and future perspectives are discussed.

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Experimental and statistical investigation on fabrication and performance evaluation of structurally tailored PAN nanofiltration membranes for produced water treatment

Cited by 26 publications

References 114 publications

Using BCN nanostructure as anode electrode for photoelectrocatalytic degradation of organics: a statistical approach

Using BCN nanostructure as anode electrode for photoelectrocatalytic degradation of organics: a statistical approach

Exploring the characteristics, performance, and modification of Matrimid for development of thin‐film composite and thin‐film nanocomposite reverse osmosis membranes

A Review on the Nanofiltration Process for Treating Wastewaters from the Petroleum Industry

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