Surface investigation and catalytic activity of iron-modified TiO2

Sohrabi, Soheil; Akhlaghian, Faranak

doi:10.1007/s40097-015-0182-x

Cited by 19 publications

(12 citation statements)

References 43 publications

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“…The synthesis method is one of the key factors that contribute towards an even distribution of the active component and good particle properties [29]. Different preparation methods have been carried out by modifying the current SCR catalyst to achieve high NO selectivity in the NH 3 -SCR system.…”

Section: Reviewmentioning

confidence: 99%

A review of carbon-based and non-carbon-based catalyst supports for the selective catalytic reduction of nitric oxide

Anthonysamy

Afandi

Khavarian

et al. 2018

Beilstein J. Nanotechnol.

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Various types of carbon-based and non-carbon-based catalyst supports for nitric oxide (NO) removal through selective catalytic reduction (SCR) with ammonia are examined in this review. A number of carbon-based materials, such as carbon nanotubes (CNTs), activated carbon (AC), and graphene (GR) and non-carbon-based materials, such as Zeolite Socony Mobil–5 (ZSM-5), TiO2, and Al2O3 supported materials, were identified as the most up-to-date and recently used catalysts for the removal of NO gas. The main focus of this review is the study of catalyst preparation methods, as this is highly correlated to the behaviour of NO removal. The general mechanisms involved in the system, the Langmuir–Hinshelwood or Eley–Riedeal mechanism, are also discussed. Characterisation analysis affecting the surface and chemical structure of the catalyst is also detailed in this work. Finally, a few major conclusions are drawn and future directions for work on the advancement of the SCR-NH3 catalyst are suggested.

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Section: Reviewmentioning

confidence: 99%

A review of carbon-based and non-carbon-based catalyst supports for the selective catalytic reduction of nitric oxide

Anthonysamy

Afandi

Khavarian

et al. 2018

Beilstein J. Nanotechnol.

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“…Findings from data analysis back from wrinkles Figure 2 shows the crease recovery in the weft direction among the samples of white, yellow, white treated with TiO 2 and yellow treated with TiO 2 under UV and figure 3 shows the crease recovery in the warp direction among the samples of white, yellow, white treated with TiO 2 and yellow treated with TiO 2 under UV [19][20][21] . …”

Section: Data Collection Toolsmentioning

confidence: 99%

The Effects of TiO2 Nanoparticles over Time on the Physical and Mechanical Properties of White Cotton Fabrics and Fabrics Died with Reactive Dyes

Mirkhan¹,

Yazdanshenas²,

Khajavi³

et al. 2015

Orient. J. Chem

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Today, nanoparticles of titanium are used mainly in the textile industry. Examples of it can be named as cultivation of nanoparticles of titanium on polyester cotton fabrics, with features as white-washing, self-cleaning and also the effect of TiO 2 on the dyed textiles with natural dyes as well as the effect of commodities reactive to increase the brightness and transparency of them. But, as this procedure has the added benefits, it will sure have some disadvantages and thus, the aim of this project is to study the effects of nano-TiO 2 in the passage of time, at different times over the physical and mechanical properties of checked cotton fabrics. And even the study of dyed fabrics with natural dyes in reactive so that it can examine the beneficial and harmful effects of the degradation and also check the results on the Cotton Nano TiO 2 Fabric.

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“…These interactions can often be optimized by introducing promoter atoms into the catalyst. [1][2][3][4][5][6][7][8] Promoter effects can be complex. For example, adsorbed H 2 O promotes cobalt Fischer-Tropsch (FT) catalysts and deactivates iron catalysts.…”

Section: Introductionmentioning

confidence: 99%

Tunable model promoters in DFT simulations of catalysts

et al. 2019

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Promoter atoms can tune a catalyst's activity and selectivity by transferring charge to and from the active site. Rational design of promoted catalysts, using density functional theory calculations, is today limited by the need to simulate many catalyst and promoter configurations. We present a simple approximation that rapidly captures some trends in promoter effects, at a cost of complexity comparable with simulating unpromoted catalysts. Negative (positive) noninteger point charges introduced into the catalyst simulate how electropositive (electronegative) promoters might affect each predicted intermediate. Calculations return Sabatier plots, relating promoters' predicted efficacy to readily measured properties such as catalyst work functions. We illustrate our approach for two reactions associated with the Fischer–Tropsch process, hydrogen–deuterium scrambling, and carbon monoxide dissociation over ruthenium. Consistent with experiment, electropositive promoters are predicted to accelerate hydrogen scrambling and unassisted CO dissociation. Simulations also provide a new prediction: electronegative promoters accelerate hydrogen‐assisted CO dissociation over hydrogen‐precovered surfaces by stabilizing the initial CO adsorption. © 2019 Wiley Periodicals, Inc.

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Surface investigation and catalytic activity of iron-modified TiO2

Cited by 19 publications

References 43 publications

A review of carbon-based and non-carbon-based catalyst supports for the selective catalytic reduction of nitric oxide

A review of carbon-based and non-carbon-based catalyst supports for the selective catalytic reduction of nitric oxide

The Effects of TiO2 Nanoparticles over Time on the Physical and Mechanical Properties of White Cotton Fabrics and Fabrics Died with Reactive Dyes

Tunable model promoters in DFT simulations of catalysts

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