Synthesis of carbon molecular sieves from agricultural residues: Status, challenges and prospects

Kumar, D. Praveen; Ramesh, D.; Vikraman, V. Karuppasamy; Subramanian, P.

doi:10.1016/j.envres.2022.114022

Cited by 4 publications

(5 citation statements)

References 138 publications

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“…Elastase inhibition activity (%) = [1 − (A sample − A sample blank )/A control ] × 100 (6) where A sample , A sample blank and A control represent the absorbance of the control and sample at 410 nm, respectively. The sample blank and control used were PBS.…”

Section: Determination Of Elastase Inhibition Activitymentioning

confidence: 99%

“…Agricultural wastes including shells, seeds, leaves and stems are generated in vast quantities worldwide, and most of them are incinerated or landfilled, causing serious air and soil pollution [6]. It is estimated that the incineration of 1000 kg of agricultural waste releases approximately 1.400 kg of CO 2 , 58 kg of carbon monoxide and 4.9 kg of nitrogen oxides into the atmosphere [7].…”

Section: Introductionmentioning

confidence: 99%

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Efficient Recovery Strategy of Luteolin from Agricultural Waste Peanut Shells and Activity Evaluation of Its Functional Biomolecules

Kim

Lee

et al. 2023

IJMS

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Peanut shells (PSs) generated from agricultural waste contain valuable compounds with bioactive properties such as anti-aging, antimicrobial, and antioxidant properties, making it desirable to recycle them as a sustainable resource. The aim of this study is to design an effective luteolin recovery process as the first step of an integrated biorefinery utilizing PSs as raw material. The major extraction variables and their ranges for luteolin recovery from PSs were determined (0–60 °C, 1–5 h, 0–100% MeOH concentration) and a predictive model was derived through a response surface methodology (RSM). Based on the predictive model, the equation determined for the maximal extraction of luteolin at 1 h was as follows: y = –1.8475x + 159.57, and the significant range of variables was as follows: 33.8 °C ≤ temperature (x) ≤ 48.5 °C and 70.0% ≤ MeOH concentration (y) ≤ 97.5%, respectively. High antioxidant and elastase inhibitory activities of PS extracts were confirmed, and these results support their potential to be used as functional materials. In addition, 39.2% of the solid residue after extraction was carbohydrate, which has potential as a carbon source for fermentation. This study provides a useful direction on an integrated biorefinery approach for sustainable agricultural waste valorization.

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Section: Determination Of Elastase Inhibition Activitymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Efficient Recovery Strategy of Luteolin from Agricultural Waste Peanut Shells and Activity Evaluation of Its Functional Biomolecules

Kim

Lee

et al. 2023

IJMS

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show abstract

“…Carbon materials from renewable biomass provide a sustainable solution for the ever-increasing need for novel porous carbon precursors. While lignocellulosic biomass has long been used as a carbon precursor [1][2][3][4][5][6], crustacean waste, e.g., crab shells rich in chitosan [7], or plants of marine origin, e.g., seaweed [8], still represent an under-exploited area.…”

Section: Introductionmentioning

confidence: 99%

“…Although high micropore volume assures greater gas uptake [15,16], wider pores are not negligible either, as they enhance the dynamics of the transport processes. Physical or chemical activation methods are used to optimize the porous structure [3,17].…”

Section: Introductionmentioning

confidence: 99%

Effect of Carbon Nanoparticles on the Porous Texture of ι-Carrageenan-Based N-Doped Nanostructured Porous Carbons and Implications for Gas Phase Applications

Andrade

Menyhárd

Klébert

et al. 2023

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S and N double-doped high surface area biomass-derived carbons were obtained from marine biomass-derived ι-carrageenan. Adding carbon nanoparticles (CNPs), namely graphene oxide (GO) or carbon nanotubes (CNTs), in the early stage of the synthesis leads to a modified porous texture and surface chemistry. The porous textures were characterized by N2 (−196.15 °C) and CO2 (0 °C) isotherms. The best GO- and CNT-added carbons had an apparent surface area of 1780 m2/g and 1170 m2/g, respectively, compared to 1070 m2/g for the CNP-free matrix. Analysis of the Raman spectra revealed that CNT was more efficient in introducing new defects than GO. Based on XPS, the carbon samples contain 2–4.5 at% nitrogen and 1.1 at% sulfur. The Dubinin–Radushkevich (DR) and Henry models were used to assess the strength of the interactions between various gases and the surface. The N2/H2 and CO2/CH4 selectivities were estimated with ideal adsorbed solution theory (IAST). While the CNPs, particularly GO, had a remarkable influence on the porous texture and affected the surface chemistry, their influence on the separation selectivity of these gases was more modest.

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“…Carbon materials from renewable biomass provide a sustainable solution for the ever increasing need for novel porous carbon precursors. While lignocellulosic biomass has long been used as a carbon precursor [3,4,58,6], crustacean waste, e.g., crab shells rich in chitosan [7], or plants of marine origin, e.g., seaweed [8] still represent an under-exploited area.…”

Section: Introductionmentioning

confidence: 99%

Effect of Carbon Nanoparticles on the Porous Texture of I-Carrageenan Based N Doped Nanostructured Porous Carbons and Implications for Gas Separation

Andrade¹,

Kállay-Menyhárd²,

Klébert³

et al. 2023

Preprint

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Tackling global warming and the consequent climate change in our planet is of urgent importance to our society. Renewable biomass derived carbons have been studied as promising adsorbents, but marine biomass derived carbons have not been explored extensively. S and N double-doped porous carbons were obtained from a marine biomass related precursor. Adding carbon nanoparticles (CNP) graphene oxide (GO), or carbon nanotubes (CNTs), in an early stage of the synthesis leads to a modified porous texture and surface chemistry. The carbons retained 2-4.5 at% nitrogen and 1.1 at% sulfur. The best GO and CNT added carbons had an apparent surface area 1780 m2/g and 1170 m2/g, respectively, compared to 1070 m2/g of the CNP-free matrix. The Dubinin-Radushkevich (DR) and Henry models were used to assess the strength of the interactions between various gases and the surface. The N2/H2 and CO2/CH4 selectivities were estimated with ideal adsorbed solution theory (IAST). While the CNPs, particularly GO, had a remarkable effect both on the porous texture and the surface chemistry, their influence on selectivity is more modest.

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Synthesis of carbon molecular sieves from agricultural residues: Status, challenges and prospects

Cited by 4 publications

References 138 publications

Efficient Recovery Strategy of Luteolin from Agricultural Waste Peanut Shells and Activity Evaluation of Its Functional Biomolecules

Efficient Recovery Strategy of Luteolin from Agricultural Waste Peanut Shells and Activity Evaluation of Its Functional Biomolecules

Effect of Carbon Nanoparticles on the Porous Texture of ι-Carrageenan-Based N-Doped Nanostructured Porous Carbons and Implications for Gas Phase Applications

Effect of Carbon Nanoparticles on the Porous Texture of I-Carrageenan Based N Doped Nanostructured Porous Carbons and Implications for Gas Separation

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