Activated carbons prepared from hydrothermally carbonized waste biomass used as adsorbents for CO2

Hao, Wenming; Björkman, Eva; Lilliestråle, Malte; Hedin, Niklas

doi:10.1016/j.apenergy.2013.02.028

Cited by 240 publications

(146 citation statements)

References 36 publications

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“…High porosities endow these adsorbents with high CO 2 capture capacities up to 4 mmol/g [14][15][16]. However, the CO 2 /N 2 selectivity of physical adsorption activated carbon is relatively low, which makes carbon-based systems practical only for CO 2 -rich flue gas [14].…”

Section: Introductionmentioning

confidence: 99%

Development of monolithic adsorbent via polymeric sol–gel process for low-concentration CO2 capture

et al. 2015

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Section: Introductionmentioning

confidence: 99%

Development of monolithic adsorbent via polymeric sol–gel process for low-concentration CO2 capture

et al. 2015

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“…Carbon adsorbents developed from different agricultural and food industry residues have shown potential as adsorbents for CO 2 capture applications [3][4][5][6][7][8][9][10][11][12][13]. These materials present the added advantage that they have fixed atmospheric carbon during their growth, reducing the carbon footprint of the final material.…”

Section: Introductionmentioning

confidence: 99%

CO 2 adsorbent pellets produced from pine sawdust: Effect of coal tar pitch addition

et al. 2015

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The main drawbacks of developing carbon adsorbents from pine sawdust, an abundant biomass feedstock, are the low carbon yield of the process and the poor mechanical properties of the resulting carbons. In an attempt to overcome these limitations, the effect of the addition of coal tar pitch was assessed. Adsorbent pellets were produced from pine sawdust and coal tar pitch by activation with CO 2 . The preparation process was optimized by using as decision variables the carbon yield and the adsorption performance of the adsorbents in conditions representative of post-combustion capture applications (10% CO 2 at atmospheric pressure and at 50 °C). Subjecting the composite pellets to a pre-oxidation treatment with air increased the carbon yield of the production process, and also improved the adsorption kinetics and capacity of the final adsorbents. The prepared adsorbents present a high carbon yield, a superior mechanical resistance and a competitive adsorption performance.

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“…The use of agro-industrial wastes as an alternative precursor material to coal and wood for activated carbon production has been widely studied [20][21][22][23]. This waste-valorization process could reduce the environmental and economic costs associated with the precursors while eliminating the need of disposal or incineration of unwanted agricultural by-products [24].…”

Section: Of 10mentioning

confidence: 99%

CO2 and CH4 Adsorption Behavior of Biomass Based Activated Carbons

Peredo-Mancilla¹,

Ghouma²,

Hort³

et al. 2018

Preprint

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Abstract:The aim of the present study is to provide new insights into the CO 2 and CH 4 adsorption using a set of biomass-based activated carbons obtained by physical and chemical activation of olive-stones. The adsorption behavior is analyzed by means of pure gas adsorption isotherms up to 3.2 MPa at two temperatures (303.15 and 323.15 K).The influence of the activation method on the adsorption uptake is studied in terms of both textural properties and surface chemistry. For three activated carbons the CO 2 adsorption was more important than that of CH 4 . The chemically activation resulted in higher BET surface area and micropore volume that lead to higher adsorption for both CO 2 and CH 4 . For methane the presence of mesopores seems to facilitate the access of the gas molecules into the micropores while for carbon dioxide, the presence of oxygen groups enhanced the adsorption capacity.

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Activated carbons prepared from hydrothermally carbonized waste biomass used as adsorbents for CO2

Cited by 240 publications

References 36 publications

Development of monolithic adsorbent via polymeric sol–gel process for low-concentration CO2 capture

Development of monolithic adsorbent via polymeric sol–gel process for low-concentration CO2 capture

CO 2 adsorbent pellets produced from pine sawdust: Effect of coal tar pitch addition

CO2 and CH4 Adsorption Behavior of Biomass Based Activated Carbons

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