Mercaptan removal from natural gas using carbon nanotube supported cobalt phthalocyanine nanocatalyst

Mirzaeian, Masoumeh M.; Rashidi, Alimorad; Zare, Mehdi; Ghabezi, Roohallahe; Lotfi, Roghayyeh

doi:10.1016/j.jngse.2014.03.023

Cited by 32 publications

(14 citation statements)

References 37 publications

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“…The outlet gas was passed through a KOH solution (20%) at different times. Concentration of product mercaptan was determined at 30-min intervals using EM potentiometer (AT-500) and UOP 163 method [15,16].…”

Section: Test System and Methods For Removing Mercaptanmentioning

confidence: 99%

“…Moreover, a GO support leads to emergence of active sites on the catalyst which in turn lead to greater surface area between the gas flow on one hand and the nanocatalyst on the other. As a result, mercaptan conversion becomes greater in the outlet stream [15,16]. Figure 5a shows the effect of temperature on the removal of mercaptan in the range of 50-100 °C and a fixed amount of GHSV (1000 h −1 ).…”

Section: Test System and Methods For Removing Mercaptanmentioning

confidence: 99%

“…In the previous studies, carbon nanotubes (CNTs) were considered as supports for porphyrin derivatives. As high conversion of mercaptan was achieved using 10% cobalt phthalocyanine/MWCNT and 20% w (Fe) TCPP-MWCNT in the variant operating condition, we developed this method for GO as a support [15,16]. In this paper, we intend to use another derivative of nanocarbon structure like GO as a support for porphyrin complex.…”

Section: Introductionmentioning

confidence: 99%

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An improved method for the purification of fullerene from fullerene soot with activated carbon, celite, and silica gel stationary phases

Keypour

Noroozi

Rashidi³

2013

J Nanostruct Chem

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The present study reports an eco-friendly, biosynthesis of silver nanoparticles (AgNPs) using stem bark extract of Diospyros montana. Initially, the synthesis of AgNPs was confirmed by visual observation as color change. Further, the morphology of the biosynthesized nanoparticles, average size and presence of elemental silver were characterized by UV-Visible spectroscopy, scanning electron microscopy, transmission electron microscopy, energy dispersive X-ray and dynamic light scattering spectrometer. Qualitative phytochemical screening and FTIR spectral peaks supported the role of phytochemicals in bark extract for the metal reduction, stabilization and capping of silver nanoparticles. XRD studies demonstrated that crystalline nature and their average size of nanoparticles was 28 nm as determined by Scherrer's formula. The antioxidant ability of AgNPs and plant extract was analyzed using DPPH and Hydrogen peroxide assay. The percentage of DPPH and H 2 O 2 activity was increased with increasing concentration of AgNPs. In vitro antibacterial effect of various concentration of AgNPs was investigated against both Gram positive (B.subtilis and S.aureus) and Gram negative (E.coli and K.aerogenes) bacterial strains. The result shows that biosynthesized AgNPs have significant antibacterial activity.

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Section: Test System and Methods For Removing Mercaptanmentioning

confidence: 99%

Section: Test System and Methods For Removing Mercaptanmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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An improved method for the purification of fullerene from fullerene soot with activated carbon, celite, and silica gel stationary phases

Keypour

Noroozi

Rashidi³

2013

J Nanostruct Chem

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“…Among organic pollutants, sul¯des are major pollutants and they are di±cult to remove utterly. [1][2][3] Sul¯des often exist in hydrocarbons as pollutants. It is one of the most di±cult sulfur compounds to remove from liquid fuels.…”

Section: Introductionmentioning

confidence: 99%

Enhanced Photocatalytic Activity by Cu₂O Nanoparticles Integrated H₂Ti₃O₇ Nanotubes for Removal of Mercaptan

Guo

et al. 2017

NANO

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The Cu 2 O@H 2 Ti 3 O 7 nanocomposite was prepared through a facile hydrothermal method. The as-prepared samples were investigated by powder X-ray di®raction (XRD), high resolution transmission electron microscopy (HRTEM), laser Raman spectroscopy (LRS), N 2 adsorptiondesorption measurements and UV-Vis di®use re°ection spectroscopy (UV-Vis-DRS). The photocatalytic performance of the as-prepared Cu 2 O@H 2 Ti 3 O 7 nanocomposite is evaluated by the oxidation of ethyl mercaptan (EM) under sunlight irradiation. The results indicate that the Cu 2 O nanoparticles are integrated uniformly on H 2 Ti 3 O 7 nanotubes, and the absorption edge of the nanocomposite has obviously shifted to visible light region compared to H 2 Ti 3 O 7 nanotubes. There is an obvious synergistic e®ect existing between the dispersed Cu 2 O nanoparticles and H 2 Ti 3 O 7 nanotubes, and the Cu 2 O@H 2 Ti 3 O 7 composite shows stronger visible spectral response and wider absorbance. Then, an enchanced photodegradation activity is obtained for the removal of EM under sunlight irradiation compared to its precursors.

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“…[2,[6][7][8][9][10][11] However, there is a significant drawback of using these compounds -propensity to self-association in solution. [12][13][14] Processes of self-association of metal phthalocyanines in aqueous and nonaqueous media affect their catalytic properties ambiguously.…”

Section: Introductionmentioning

confidence: 99%

The Surface Modification of the Polypropylene by Aqueous Soluble CoII Phthalocyanine to Obtain Materials for Catalysis

Вашурин¹,

Kuzmin²,

Титов³

et al. 2015

MHC

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Mercaptan removal from natural gas using carbon nanotube supported cobalt phthalocyanine nanocatalyst

Cited by 32 publications

References 37 publications

An improved method for the purification of fullerene from fullerene soot with activated carbon, celite, and silica gel stationary phases

An improved method for the purification of fullerene from fullerene soot with activated carbon, celite, and silica gel stationary phases

Enhanced Photocatalytic Activity by Cu₂O Nanoparticles Integrated H₂Ti₃O₇ Nanotubes for Removal of Mercaptan

The Surface Modification of the Polypropylene by Aqueous Soluble CoII Phthalocyanine to Obtain Materials for Catalysis

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Mercaptan removal from natural gas using carbon nanotube supported cobalt phthalocyanine nanocatalyst

Cited by 32 publications

References 37 publications

An improved method for the purification of fullerene from fullerene soot with activated carbon, celite, and silica gel stationary phases

An improved method for the purification of fullerene from fullerene soot with activated carbon, celite, and silica gel stationary phases

Enhanced Photocatalytic Activity by Cu2O Nanoparticles Integrated H2Ti3O7 Nanotubes for Removal of Mercaptan

The Surface Modification of the Polypropylene by Aqueous Soluble CoII Phthalocyanine to Obtain Materials for Catalysis

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Enhanced Photocatalytic Activity by Cu₂O Nanoparticles Integrated H₂Ti₃O₇ Nanotubes for Removal of Mercaptan