Low temperature adsorption of nitric oxide on cerium impregnated biomass-derived biochar

Anthonysamy, Shahreen Izwan; Lahijani, Pooya; Mohammadi, Maedeh; Mohamed, Abdul Rahman

doi:10.1007/s11814-019-0405-9

Cited by 27 publications

(8 citation statements)

References 31 publications

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“…This demonstrates that the mechanism of H 2 S adsorption onto ZSM‐5 is multi‐linear and involves both physisorption and chemisorption (Anthonysamy et al., 2020). Avrami exponent, n, values between 1.14 and 1.41 indicate a one‐dimensional development of H 2 S molecules adsorbed on the accessible active sites on ZSM‐5′s surface (Liu & Yu, 2018).…”

Section: Resultsmentioning

confidence: 92%

Hydrogen sulfide removal from fermentative biohydrogen process: Effect of ZSM‐5 zeolite loading

Asman

Lutpi

Wong

et al. 2023

Environmental Quality Mgmt

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The production and consumption of biohydrogen is growing because it is a “green,” renewable energy that can be obtained in a relatively cost‐effective manner through anaerobic digestion. Biohydrogen produced from biomass is a viable source of renewable energy; nevertheless, the presence of highly toxic and corrosive hydrogen sulfide (H2S) in the process can hinder the quality of biohydrogen production and limit its application in energy conversion equipment. Consequently, the goal of the research was to assess the feasibility of using ZSM‐5 zeolite for H2S adsorption that function as activating agent to enhance biohydrogen quality under thermophilic conditions. The effect of ZMS‐5 Zeolite loading (0.2–1.0 g) on biohydrogen production via dark fermentation from mixed fruit waste (MFW) was investigated using anaerobic sludge from a sewage treatment plant. The pH of the broth mixture was adjusted to 6.0, anaerobic conditions were created by purging it with nitrogen gas, and the temperature of the fermentative biohydrogen process was maintained at 60°C. Meanwhile, the H2S adsorption test was run at ambient temperature with flow rates (100 ml/min) and an H2S inlet concentration of 10000 ppm. The results indicate that the Z + H2S exhibit spectral lines corresponding to the S‐H asymmetric stretching vibration of H2S at 2345.97 cm−1. The ideal adsorption capacity is at 0.8 g with yet, increasing the dosage amount of adsorbents, increases the time required for the adsorbent to achieve 90% saturation. The non‐linear curve fitting demonstrated that the adsorption kinetics of all dosages used followed those of the Avrami kinetic model. This approach of using ZSM‐5 zeolite for H2S removal provides an advantage in terms of minimizing environmental pollution and having great potential uses in industrial processes.

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Section: Resultsmentioning

confidence: 92%

Hydrogen sulfide removal from fermentative biohydrogen process: Effect of ZSM‐5 zeolite loading

Asman

Lutpi

Wong

et al. 2023

Environmental Quality Mgmt

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“…The values of methylene blue number (MBN) expressed the surface reactivity and adsorption capacity of biochar towards the small organic molecules. The pyrolysis of rice husk feedstock leads to an increase in the microspores percentage and subsequent the specific surface area [43,9]. Figure 8 summarizes the reactivity of biochar samples towards the adsorption of iodine and methylene blue.…”

Section: Pseudo-second-order Modelmentioning

confidence: 99%

“…But most studies focused on the chemical adsorption mechanism and its effect on NO removal efficiency, not physical adsorption still rare [5]. Recently, some studies have reported using metal-loaded biochar for SCR of NO with ammonia at low temperatures [9]. But the catalytic oxidation of NO over biochar has been scarcely studied [10].…”

Section: Introductionmentioning

confidence: 99%

Using biochar to control nitric oxide air pollution

Mohamed

Saleh

Shalaby

et al. 2022

J. Phys.: Conf. Ser.

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This study deals with the ability of Rice Husk Biochar (RHB) to adsorb and reduce the concentration of 90 ppm Nitric Oxide (NO) gas which passed through it with a 1.2 liter/min flow rate within 8 minutes. The characteristics of biochar before and after adsorption were studied by SEM, EDAX, and FTIR analyses. To study the effect of different factors on adsorption the effect of manufacturing temperatures of biochar was studied by using two degrees 450 °C and 500 °C. It has also been measured the effect of biochar particles size using two types of size, coarse (C) and fine (F). The effect of the shape of the measurement system on the adsorption was also measured using two types of systems A and B. In general, the RHB450C A gives the best adsorption capacity for NO (95.7 mg/g) followed by RHB450F A (41.9 mg/g) followed by RHB500C A (24.8 mg/g). Both Langmuir and Freundlich isothermal models were applied to mathematical modelling of NO adsorption, and based on the coefficient of determination (r2) Langmuir’s model provided a perfect fit to the experimental data. It was also found that the pseudo-first-order model is suitable for studying adsorption kinetics.

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“…Carbon is also contained in ash as a product of incomplete combustion of coal, so the adsorption characteristics of coal ash may partially depend on its carbon content. Articles [11,12] show that carbon can also actively adsorb nitrogen oxides.…”

Section: Introductionmentioning

confidence: 99%

Extraction of sulfur (IV) oxide, nitrogen oxides and carbon oxide from flue gases using a sorbent under conditions of its mechanical activation

Kudriavcev,

Zubtsov

2023

IOP Conf. Ser.: Earth Environ. Sci.

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The paper substantiates the feasibility of creating an adsorption technology with controlled activation of the adsorbent for the removal of sulfur dioxide, nitrogen oxides, and carbon from the flue gases of coal-fired power plants. In laboratory conditions, the effect of mechanical activation on the adsorption capacity of ash was studied. It is shown that the controlled mechanical activation is able to increase the adsorption capacity of ash relative to sulfur dioxide by 2.7 times, to nitrogen oxides by 2.1 times, to carbon monoxide by 5 times or more.

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Low temperature adsorption of nitric oxide on cerium impregnated biomass-derived biochar

Cited by 27 publications

References 31 publications

Hydrogen sulfide removal from fermentative biohydrogen process: Effect of ZSM‐5 zeolite loading

Hydrogen sulfide removal from fermentative biohydrogen process: Effect of ZSM‐5 zeolite loading

Using biochar to control nitric oxide air pollution

Extraction of sulfur (IV) oxide, nitrogen oxides and carbon oxide from flue gases using a sorbent under conditions of its mechanical activation

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