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Mercury Adsorption sentence examples within modified fly ash

modified fly ash

The experimental results of mercury adsorption show: when the reaction temperature is 50°C, the best doping proportion of modified fly ash is 20wt%, the mass proportion of pyrite to acid modified fly ash is 4:1, and the flue gas flow rate is 1.

Mercury Removal From Coal Combustion Flue Gas by Pyrite-Modified Fly Ash Adsorbent

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Mercury Adsorption sentence examples within Maximum Mercury Adsorption

Maximum Mercury Adsorption

The maximum mercury adsorption capacity is 360.

[SnS4]4- clusters modified MgAl-LDH composites for mercury ions removal from acid wastewater.

Maximum Mercury Adsorption

The CCD-RSM predicted maximum mercury adsorption of 99.

Optimization of Hg(II) adsorption on bio-apatite based materials using CCD-RSM design: characterization and mechanism studies.

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Mercury Adsorption sentence examples within mercury adsorption capacity

mercury adsorption capacity

Under the simulated flue gas condition, both equilibrium mercury adsorption capacity and adsorption rate were superior to those of a commercial activated carbon specifically used for mercury emission reduction.

Natural ferruginous manganese ore for efficient immobilization of elemental mercury from coal combustion flue gas

mercury adsorption capacity

In order to enhance the mercury adsorption capacity of bio-char and reduce the potential environmental damage caused by modification methods, a clean modification method combining microwave activation and H2O2 impregnation of bio-char was proposed in this paper.

Adsorption of elemental mercury in flue gas using biomass porous carbons modified by microwave/hydrogen peroxide

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Mercury Adsorption sentence examples within mercury adsorption efficiency

mercury adsorption efficiency

The mercury adsorption efficiency was higher in the order of CuCl2-AC, FeCl3-impregnated activated carbon (FeCl3-AC) and HCl-impregnated activated carbon (HCl-AC) with 1% Cl for all three sorbents for the tests with a simulated flue gas of 12% CO2, 5% O2, 7% H2O, 60–70 µg/m3 Hg0, 500 ppm SO2, 20 ppm NO and N2 balance gas.

Mercury adsorption characteristics of Cl-impregnated activated carbons in simulated flue gases

mercury adsorption efficiency

The injection of HCl increased the mercury adsorption efficiency of all tested sorbents by decreasing the emission of elemental mercury.

Mercury adsorption characteristics of carbon sorbent with low surface area

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Mercury Adsorption sentence examples within mercury adsorption performance

mercury adsorption performance

In this study, we used a tunable porous covalent organic framework (COF) material as a support for in situ growth of Ag NPs via a one-step solution infiltration method, to enhance the spatial dispersion of NPs and their stability in acidic solution, and for the first time studying the mercury adsorption performance.

Utilization of Ag nanoparticles anchored in covalent organic frameworks for mercury removal from acidic waste water.

mercury adsorption performance

A continuous system within a full-scale 300 MWe plant showed that the mercury adsorption performance of the modified fly ash is similar to that of activated carbon, which is the industry benchmark for the treatment of mercury emission in fossil power generation units.

In-Situ Capture of Mercury in Coal-Fired Power Plants Using High Surface Energy Fly Ash.

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Mercury Adsorption sentence examples within mercury adsorption property

mercury adsorption property

Tetra Pak-derived chars showed outstanding mercury adsorption properties (up to 215.

Recycling of Tetra pak wastes via pyrolysis: Characterization of solid products and application of the resulting char in the adsorption of mercury from water

mercury adsorption property

GOS and ACS showed stable mercury adsorption properties at a wide pH range (2~9) and ionic strength (0.

Preparation of various thiol-functionalized carbon-based materials for enhanced removal of mercury from aqueous solution

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Mercury Adsorption sentence examples within mercury adsorption mechanism

mercury adsorption mechanism

Unfortunately, though much attention has been paid to the adsorption efficiency of sorbents in industry, mercury adsorption mechanisms are rarely addressed.

Removal of ionic mercury from gasoline using zeolite 13X impregnated with KI: Adsorption mechanisms and simulation

mercury adsorption mechanism

As well, the possible mercury adsorption mechanisms of the adsorbents under different conditions were discussed and the key intermediate together with the rate-determining step was also uncovered.

Recent advances in MnO2-based adsorbents for mercury removal from coal-fired flue gas

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10.1016/J.CARPTA.2021.100110

The mercury adsorption on [GG-g-poly(Am-co-AA)] was confirmed by zeta potential SEM- EDX and XPS study.

Facile synthesis of novel pH-sensitive grafted guar gum for effective removal of mercury (II) ions from aqueous solution

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10.3390/PR9071190

This process created free carbene sites on the surface and shows that carbene sites are more reactive to mercury adsorption than oxygen.

Role of Activated Carbon Precursor for Mercury Oxidation and Removal: Oxidized Surface and Carbene Site Interaction

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10.1016/J.FUEL.2021.120822

The mercury adsorption efficiency was higher in the order of CuCl2-AC, FeCl3-impregnated activated carbon (FeCl3-AC) and HCl-impregnated activated carbon (HCl-AC) with 1% Cl for all three sorbents for the tests with a simulated flue gas of 12% CO2, 5% O2, 7% H2O, 60–70 µg/m3 Hg0, 500 ppm SO2, 20 ppm NO and N2 balance gas.

Mercury adsorption characteristics of Cl-impregnated activated carbons in simulated flue gases

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10.1016/j.cej.2020.128170

Unfortunately, though much attention has been paid to the adsorption efficiency of sorbents in industry, mercury adsorption mechanisms are rarely addressed.

Removal of ionic mercury from gasoline using zeolite 13X impregnated with KI: Adsorption mechanisms and simulation

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10.1080/10962247.2021.1959467

The injection of HCl increased the mercury adsorption efficiency of all tested sorbents by decreasing the emission of elemental mercury.

Mercury adsorption characteristics of carbon sorbent with low surface area

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10.1021/acsomega.0c05260

The mechanism of mercury adsorption in pure nitrogen follows the Mars–Maessen mechanism over the carbon sorbents.

Effects of CO and CO2 on the Removal of Elemental Mercury over Carbonaceous Surfaces

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10.1016/j.chemosphere.2021.130629

, ORR soil culture and ORR sediment culture) were selected to study the microbial mediated mercuric reduction under an aerobic condition as well as mercury adsorption onto bacterial surfaces.

Reduction and bacterial adsorption of dissolved mercuric ion by indigenous bacteria at the Oak Ridge Reservation site.

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10.1016/j.chemosphere.2020.129504

The results demonstrated that the decrease in the adsorbent particle size leads to the improvement in the mercury adsorption attributing to the rise in specific surface area.

Adsorption behavior of mercury over hydrated lime: Experimental investigation and adsorption process characteristic study.

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10.1007/s42823-021-00263-0

The mercury adsorption efficiency and mechanism were studied via the fixed bed experiments.

One-step preparation of functionalized cotton exocarp-based sorbent for efficient Hg0 immobilization

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10.1039/D0RA10208C

Here, we present a novel approach that a waste by-product of petroleum coke containing organic sulfur enhanced bromine binding during the bromine modification process and the brominated petroleum coke increased its mercury adsorption.

Understanding the effect of thiophene sulfur on brominated petroleum coke for elemental mercury capture from flue gases

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10.1631/jzus.A2000079

CO and H 2 had a minor inhibitory effect on mercury adsorption.

Elemental mercury removal from coal gas by CeMnTi sorbents and their regeneration performance

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10.1016/J.FUEL.2021.120152

In order to enhance the mercury adsorption capacity of bio-char and reduce the potential environmental damage caused by modification methods, a clean modification method combining microwave activation and H2O2 impregnation of bio-char was proposed in this paper.

Adsorption of elemental mercury in flue gas using biomass porous carbons modified by microwave/hydrogen peroxide

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10.1016/J.APSUSC.2020.147913

In order to gain molecular level insights into the adsorption mechanism, density functional theory (DFT) calculations were applied to the process of mercury adsorption on the (1 1 0) surface of ZnSe.

Molecular-level insights into efficient immobilization of gas-phase elemental mercury by zinc selenide

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10.1016/j.cej.2021.131851

Mercury adsorption experiments suggest that the modified sorbents show higher Hg0 removal efficiency in comparison with raw sorbents, and longer treatment time leads to higher Hg0 removal efficiency.

Enhanced mercury removal performance of Cu-Fe binary oxide sorbents modified by non-thermal plasma

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10.1016/j.fuel.2020.120030

Therefore, mercury adsorption profiles and oxidation pathways had been established, based on the density functional theory (DFT).

Molecular study of heterogeneous mercury conversion mechanism over Cu-MOFs: Oxidation pathway and effect of halogen

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Mercury Adsorption
Encyclopedia

What is/are Mercury Adsorption?

Mercury Adsorption - The mercury adsorption on [GG-g-poly(Am-co-AA)] was confirmed by zeta potential SEM- EDX and XPS study. [1] This process created free carbene sites on the surface and shows that carbene sites are more reactive to mercury adsorption than oxygen. [2] The mercury adsorption efficiency was higher in the order of CuCl2-AC, FeCl3-impregnated activated carbon (FeCl3-AC) and HCl-impregnated activated carbon (HCl-AC) with 1% Cl for all three sorbents for the tests with a simulated flue gas of 12% CO2, 5% O2, 7% H2O, 60–70 µg/m3 Hg0, 500 ppm SO2, 20 ppm NO and N2 balance gas. [3] Unfortunately, though much attention has been paid to the adsorption efficiency of sorbents in industry, mercury adsorption mechanisms are rarely addressed. [4] The injection of HCl increased the mercury adsorption efficiency of all tested sorbents by decreasing the emission of elemental mercury. [5] The mechanism of mercury adsorption in pure nitrogen follows the Mars–Maessen mechanism over the carbon sorbents. [6] , ORR soil culture and ORR sediment culture) were selected to study the microbial mediated mercuric reduction under an aerobic condition as well as mercury adsorption onto bacterial surfaces. [7] The results demonstrated that the decrease in the adsorbent particle size leads to the improvement in the mercury adsorption attributing to the rise in specific surface area. [8] The mercury adsorption efficiency and mechanism were studied via the fixed bed experiments. [9] Here, we present a novel approach that a waste by-product of petroleum coke containing organic sulfur enhanced bromine binding during the bromine modification process and the brominated petroleum coke increased its mercury adsorption. [10] CO and H 2 had a minor inhibitory effect on mercury adsorption. [11] In order to enhance the mercury adsorption capacity of bio-char and reduce the potential environmental damage caused by modification methods, a clean modification method combining microwave activation and H2O2 impregnation of bio-char was proposed in this paper. [12] In order to gain molecular level insights into the adsorption mechanism, density functional theory (DFT) calculations were applied to the process of mercury adsorption on the (1 1 0) surface of ZnSe. [13] Mercury adsorption experiments suggest that the modified sorbents show higher Hg0 removal efficiency in comparison with raw sorbents, and longer treatment time leads to higher Hg0 removal efficiency. [14] Therefore, mercury adsorption profiles and oxidation pathways had been established, based on the density functional theory (DFT). [15]

modified fly ash

The experimental results of mercury adsorption show: when the reaction temperature is 50°C, the best doping proportion of modified fly ash is 20wt%, the mass proportion of pyrite to acid modified fly ash is 4:1, and the flue gas flow rate is 1. [1]

Maximum Mercury Adsorption

The maximum mercury adsorption capacity is 360. [1] The CCD-RSM predicted maximum mercury adsorption of 99. [2]

mercury adsorption capacity

Under the simulated flue gas condition, both equilibrium mercury adsorption capacity and adsorption rate were superior to those of a commercial activated carbon specifically used for mercury emission reduction. [1] In order to enhance the mercury adsorption capacity of bio-char and reduce the potential environmental damage caused by modification methods, a clean modification method combining microwave activation and H2O2 impregnation of bio-char was proposed in this paper. [2] The CeO2/ZnIn2S4 sorbent exhibited excellent mercury removal performance (>90%) in a wide temperature range from 60 to 240 ℃ and showed much higher mercury adsorption capacity than pure CeO2 due to the enlarged specific surface area and abundant active oxygen and sulfur sites on the surface. [3] For example, modified cornstalk biochar displays mercury adsorption capacity of 269. [4] The mercury adsorption capacity of sorbent at 100 °C was 43. [5] However, SO3 competed with mercury for adsorption sites, resulting in a decrease of mercury adsorption capacity. [6] The increase of mercury adsorption capacity in spite of decreasing porosity after acid treatment shows that trapping in pores is not the only mechanism involved in mercury adsorption. [7] The maximum mercury adsorption capacity is 360. [8] AC and char possibly performed more mercury adsorption capacity (MAC) compared with fly ash and inorganic adsorbents since carbon atom existence was easier to form the active halogen groups (C–X) and oxygen containing groups. [9] 9% and a mercury adsorption capacity of 5. [10] The results showed that the mercury adsorption capacity of CuS/AC(20%) sorbent was about 7. [11] The Se/MIL-101 exhibited a remarkable mercury adsorption capacity of 148. [12] The mercury adsorption capacity of CuxSy@AC from high-concentration SO2 smelting flue gas could reach 3924 μg/g in optimal conditions, and this adsorption capacity was superior to that of common modified sorbents. [13]

mercury adsorption efficiency

The mercury adsorption efficiency was higher in the order of CuCl2-AC, FeCl3-impregnated activated carbon (FeCl3-AC) and HCl-impregnated activated carbon (HCl-AC) with 1% Cl for all three sorbents for the tests with a simulated flue gas of 12% CO2, 5% O2, 7% H2O, 60–70 µg/m3 Hg0, 500 ppm SO2, 20 ppm NO and N2 balance gas. [1] The injection of HCl increased the mercury adsorption efficiency of all tested sorbents by decreasing the emission of elemental mercury. [2] The mercury adsorption efficiency and mechanism were studied via the fixed bed experiments. [3] The presence of mentioned bivalent ions in the solution did not affect mercury adsorption efficiency. [4]

mercury adsorption performance

In this study, we used a tunable porous covalent organic framework (COF) material as a support for in situ growth of Ag NPs via a one-step solution infiltration method, to enhance the spatial dispersion of NPs and their stability in acidic solution, and for the first time studying the mercury adsorption performance. [1] A continuous system within a full-scale 300 MWe plant showed that the mercury adsorption performance of the modified fly ash is similar to that of activated carbon, which is the industry benchmark for the treatment of mercury emission in fossil power generation units. [2]

mercury adsorption property

Tetra Pak-derived chars showed outstanding mercury adsorption properties (up to 215. [1] GOS and ACS showed stable mercury adsorption properties at a wide pH range (2~9) and ionic strength (0. [2]

mercury adsorption mechanism

Unfortunately, though much attention has been paid to the adsorption efficiency of sorbents in industry, mercury adsorption mechanisms are rarely addressed. [1] As well, the possible mercury adsorption mechanisms of the adsorbents under different conditions were discussed and the key intermediate together with the rate-determining step was also uncovered. [2]