In-situ copper impregnation by chemical activation with CuCl2 and its application to SO2 and H2S capture by activated carbons

Boutillara, Yasmine; Tombeur, Jean Louis; Weireld, Guy De; Lodewyckx, Peter

doi:10.1016/j.cej.2019.04.183

Cited by 55 publications

(13 citation statements)

References 41 publications

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“…AC can be used to improve the quality of the effluent from sewage treatment plants and also to remove Cu 2+ , Hg 2+ , Pb 2+ , Cd 2+ , and Ni 2+ from industrial wastewater. [20,21] According to previous studies, [22][23][24][25][26] adsorption on AC or ACF is also significant for the removal of harmful gases, such as SO 2 , H 2 S, PH 3 , and NO X .…”

Section: Introductionmentioning

confidence: 99%

An overview of low‐temperature plasma surface modification of carbon materials for removal of pollutants from liquid and gas phases

Huang

et al. 2020

Plasma Processes & Polymers

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As a promising surface treatment technique, low‐temperature plasma (LTP) technology has been widely used over the past two decades. Herein, the surface modification of carbon materials using LTP treatment is reviewed to clarify the modification effects. First, the basic details of LTP treatment are summarized. Second, the surface morphology, pore structure, surface chemistry, adsorption performance, and catalytic characteristics of LTP‐treated carbon materials are reviewed. Finally, the research required to further develop LTP technology for the surface modification of carbon materials is discussed. This review will contribute toward advancing the application of LTP‐treated carbon materials in environmental pollution control.

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Section: Introductionmentioning

confidence: 99%

An overview of low‐temperature plasma surface modification of carbon materials for removal of pollutants from liquid and gas phases

Huang

et al. 2020

Plasma Processes & Polymers

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“…Boutillara et al prepared activated carbon using CuCl 2 , which was carbonized at 800 °C in the presence of N 2 or CO 2 . The sample that was carbonized in the presence of N 2 possessed the highest Cu loading of 25.43 wt %.…”

Section: Results and Discussionmentioning

confidence: 99%

H₂S Scavenging Capacity and Rheological Properties of Water-Based Drilling Muds

et al. 2020

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Drilling hydrocarbon formations where hydrogen sulfide (H 2 S) is present could lead to the carryover of H 2 S with the drilling mud (i.e., drilling fluid) to the surface, exposing working personnel to this lethal gas. Additionally, H 2 S is very corrosive, causing severe corrosion of metal parts of the drilling equipment, which in turn results in serious operational problems. The addition of an effective H 2 S scavenger(s) in the drilling mud formulations will overcome these health, safety, and operational issues. In this work, zinc oxide (ZnO), which is a common H 2 S scavenger, has been incorporated into waterbased drilling mud. The H 2 S scavenging performance of this ZnOcontaining drilling mud has been assessed. Additionally, drilling mud formulations containing either copper nitrate (Cu(NO 3 ) 2 •3H 2 O) or potassium permanganate (KMnO 4 ) have been prepared, and their H 2 S scavenging performances have been studied and compared to that of the ZnO-containing drilling mud. It has been observed that the scavenging performance (in terms of the H 2 S amounts scavenged up to the breakthrough time and at the saturation condition) of the ZnO-containing drilling mud is very poor compared to those of the copper nitrate-containing and KMnO 4 -containing drilling muds. For instance, the amounts of H 2 S scavenged up to the breakthrough time by ZnO-containing, copper nitrate-containing, and KMnO 4 -containing drilling muds were 5.5, 15.8, and 125.3 mg/g, respectively. Furthermore, the amounts of H 2 S scavenged at the saturation condition by these drilling muds were, respectively, 35.1, 146.8, and 307.5 mg/g, demonstrating the superiority of the KMnO 4 -containing drilling mud. Besides its attractive H 2 S scavenging performance, the KMnO 4 -containing drilling mud possessed more favorable rheological properties [i.e., plastic viscosity (PV), yield point (YP), carrying capacity of the drill cuttings, and gelling characteristics] relative to the base and the ZnO-containing and copper nitrate-containing drilling muds. The addition of KMnO 4 to the base drilling mud increased its apparent viscosity, PV, and YP by 20, 33, and 10%, respectively. Additionally, all tested drilling muds possessed acceptable fluid loss characteristics. To the best of our knowledge, there are so far no published studies concurrently tackling the H 2 S scavenging (i.e., breakthrough time, breakthrough capacity, saturation time, saturation capacity, and scavenger utilization) and the rheological properties of water-based drilling muds, as demonstrated in the current study, highlighting the novelty of this work.

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“…Hydrogen sulfide is toxic, dangerous to human health, and corrosive to equipment. These compounds generally have small concentrations as contaminants in the gas mixture, but it needs to be removed [2,3]. Several methods are used to remove these compounds, such as absorption [4], cryogenic distillation [5], membrane electrochemical [6], catalytic oxidation [7], chemical oxidation [8], microbial oxidation [9] and adsorption [3,9].…”

Section: Introductionmentioning

confidence: 99%

Preparation of magnesium oxide confined in activated carbon synthesized from palm kernel shell and its application for hydrogen sulfide removal

Abriyani

Ariyanto

Prasetyo

2022

IOP Conf. Ser.: Earth Environ. Sci.

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In this study, magnesium oxide (MgO) confined in porous carbon was synthesized and the efficacy of this material was analyzed for hydrogen sulfide removal. The palm kernel shell was carbonated to obtain the porous carbon material (labelled as AC-TKS). The confinement of magnesium oxide was carried out by the incipient wetness impregnation process of a metal oxide precursor followed by calcination. The MgO content in porous carbon was optimized to maintain a 5 wt. % total content of oxide (MgO-5%/AC-TKS). Materials were characterized using N2-sorption analysis, X-ray diffraction (XRD) and scanning electron microscopy-EDX (SEM-EDX). AC-TKS has a high specific surface area (SSA) of 708 m2/g. Meanwhile, the specific surface area decreased by up to 50% (ca. 248 m2/g) for MgO-5%/AC-TKS caused by the blocking of the MgO content. The successful confinement process was proven by X-ray diffraction analysis which revealed that MgO was formed by the appearance of MgO peaks. This is supported by the results of SEM-EDX mapping, which showed the presence of Mg and O elements on the carbon surface. The higher H2S removal was shown by MgO-5%/AC-TKS which could reduce H2S up to 98.6% and showed a better performance compared to only porous carbon.

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In-situ copper impregnation by chemical activation with CuCl2 and its application to SO2 and H2S capture by activated carbons

Cited by 55 publications

References 41 publications

An overview of low‐temperature plasma surface modification of carbon materials for removal of pollutants from liquid and gas phases

An overview of low‐temperature plasma surface modification of carbon materials for removal of pollutants from liquid and gas phases

H₂S Scavenging Capacity and Rheological Properties of Water-Based Drilling Muds

Preparation of magnesium oxide confined in activated carbon synthesized from palm kernel shell and its application for hydrogen sulfide removal

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In-situ copper impregnation by chemical activation with CuCl2 and its application to SO2 and H2S capture by activated carbons

Cited by 55 publications

References 41 publications

An overview of low‐temperature plasma surface modification of carbon materials for removal of pollutants from liquid and gas phases

An overview of low‐temperature plasma surface modification of carbon materials for removal of pollutants from liquid and gas phases

H2S Scavenging Capacity and Rheological Properties of Water-Based Drilling Muds

Preparation of magnesium oxide confined in activated carbon synthesized from palm kernel shell and its application for hydrogen sulfide removal

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H₂S Scavenging Capacity and Rheological Properties of Water-Based Drilling Muds