A visible colorimetric sensor based on nanoporous polypropylene fiber membranes for the determination of trihalomethanes in treated drinking water

Wujcik, Evan K.; Duirk, Stephen E.; Monty, Chelsea N.

doi:10.1016/j.snb.2015.09.004

Cited by 21 publications

(22 citation statements)

References 34 publications

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“…For graphene-based nanoadsorbents, they can even inhibit the aggregation of graphene nanosheets. Some frequently used magnetic materials are Fe 3 nanoparticles with an average size of 17 nm were successfully synthesized and decorated onto the surface of GO via ultrasound-assisted precipitations [114]. The as-prepared GO-Fe 3 O 4 hybrid exhibited high adsorption efficiency for Co(II) and Sr(II), especially for Co(II) arisen from its close similarity to Fe(II) in the magnetite.…”

Section: Magnetic Carbon Nanomaterialsmentioning

confidence: 99%

“…The results exhibited that almost all the Au(III) were removed, which indicated that the o-MWCNTs were quite reliable, feasible, and suitable for the selective adsorption of Au(III) from real water samples. Ensafi et al [73] oxidized and modified MWCNTs with concentrated HNO 3 and thiolated cyanuric acid, respectively, and the treated MWCNTs were employed as adsorbents for the separation and preconcentration of Cd(II) and Pb(II) in various water samples, such as river water from the Zayandeh-Roud river (Isfahan, Iran), industrial wastewater (Mobarake Steel Complex, Isfahan, Iran), tap water, radiator manufacturing wastewater, and rice sample solution. The results showed a quite high recovery percentage of Cd(II) and Pb(II).…”

Section: Practical Applicationmentioning

confidence: 99%

“…Industrial, agricultural, and domestic activities inevitably produce large amounts of wastewater [1][2][3]. Pollutants in the water can mainly be divided into three categories: microorganisms, organics, and inorganics.…”

Section: Introductionmentioning

confidence: 99%

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Carbon nanotubes, graphene, and their derivatives for heavy metal removal

Guo

et al. 2017

Adv Compos Hybrid Mater

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170

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Carbon nanoadsorbents have attracted tremendous interest for metal ion removal from wastewater due to their extraordinary aspect ratios, surface areas, porosities, and reactivities. However, challenges still exist as they suffer from subpar dispersion and recovery, tending to aggregate, and so on. Thus, significant research efforts focus on modification of these carbon nanomaterials to increase the dispersions and recoveries, while maintaining or even enhancing the desirable properties. This review aims to give an in-depth look at recent and impactful advances in metal ion adsorption applications involving these modified carbon nanostructures. Here, the advanced design and testing of modified carbon nanostructures for metal ion removal are emphasized with comprehensive examples, and various adsorption behaviors and mechanisms are discussed, which are hoped to help the development of more effective adsorbents for water treatment.

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Section: Magnetic Carbon Nanomaterialsmentioning

confidence: 99%

Section: Practical Applicationmentioning

confidence: 99%

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Carbon nanotubes, graphene, and their derivatives for heavy metal removal

Guo

et al. 2017

Adv Compos Hybrid Mater

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170

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“…소재적인 부분으로 개선을 위해서는 섬유와 기지 간의 계면 친화도를 높이고 섬유와 섬유 간의 응집을 최소화할 수 있는 표면처리 연구가 진행 되고 있다 [12,13]. 섬유의 배열이 열가소성 복합재료에 서 중요하기 때문에 일부분의 연구자들은 PP를 개질 하여 prepreg화 할 수 있도록 수지를 개질하기도 하지 만 [14,15], 산업에서 많이 사용되는 기존 사출 방법에 서 안정적인 성형품을 개선하기 위한 연구가 필요한 실정이다 [16,17]. 또한 섬유의 배열을 평가하기 위한 방법이 필요하다.…”

Section: )unclassified

Evaluation of Fiber Arrangement Condition of CF/PP Composites Using Electrical Resistance Measurement and Wettability

Kwon¹,

Shin²,

Kim³

et al. 2016

Adhesion and Interface

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Fiber arrangement was important for fiber reinforced thermoplastic composites using injection fabrication. In this work, fiber arrangement in CF/PP was investigated to use electrical resistance (ER) method during injection times. There were 3 types of injection products of CF/PP with different ER change ratio by fiber arrangement. High ER change ratio case of injection CF/PP products had better increased tensile strength. This reason was due to the fiber arrangement of CF/PP by injection. Fractured surface and contact angle of CF/PP products were used to evaluate for injection product quality. Uniform fiber arrangement of CF/PP by injection type exhibited the uniform heat condition of melted CF/PP. Steady thermal transfer effect occurred from melted CF/PP to steel injection mold. Steady thermal transfer effect of CF/PP was transmitted to high ER change ratio of mold. Ultimately, good condition CF/PP product by injection molding method could be predicted by using ER method.

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“…Large amounts of wastewater are conspicuously generated by industrial, [1][2][3] agricultural, and domestic activities worldwide. Three primary pollutants are found in the wastewater: microorganisms, organics, and inorganics.…”

Section: Introductionmentioning

confidence: 99%

Development of Nanocomposite Adsorbents for Heavy Metal Removal from Wastewater

Wang¹,

Wu²,

Angaiah³

et al. 2018

ES Mater.Manuf.

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Development of highly efficient, low cost adsorbents for heavy metal ion removal from wastewater is an enduring undertaking. Two major groups of nanocomposite adsorbents are reviewed here. The magnetic carbon family is first discussed including the preparation of such materials. Various carbon sources have been used in the preparation, and the structural characteristics have been analyzed. Cr(VI) removal studies unveil a wide range of performance. The second group adsorbents is polymer functionalized nanocomposites. One notable polymer is polyaniline which is a redox polymer. The redox nature allows the composite materials to facilitate Cr(VI) reduction to Cr(III) which is prone to precipitate under neutral pH condition. The studies show that polyaniline can be feasibly synthesized in situ to cover the support surface, while the support provides mechanical strength and suitable surface area for Cr adsorption. A similar approach is the in situ synthesis of poly(acrylic acid) in the presence of support materials. This group of materials have been applied in Pb(II) removal and the performance is analyzed. 38 environment. Hexavalent chromium Cr(VI) is 500 times more toxic 39 and carcinogenic than trivalent chromium Cr(III). Cr(VI) is considered 40 to cause severe diseases such as dermatitis and lung cancer. According to the drinking water regulations recommended by EPA, the maximum-1 41 concentration for total Cr in drinking water is 0.1 mg L. The World

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A visible colorimetric sensor based on nanoporous polypropylene fiber membranes for the determination of trihalomethanes in treated drinking water

Cited by 21 publications

References 34 publications

Carbon nanotubes, graphene, and their derivatives for heavy metal removal

Carbon nanotubes, graphene, and their derivatives for heavy metal removal

Evaluation of Fiber Arrangement Condition of CF/PP Composites Using Electrical Resistance Measurement and Wettability

Development of Nanocomposite Adsorbents for Heavy Metal Removal from Wastewater

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