Phosphoric acid activation of recalcitrant biomass originated in ethanol production from banana plants

Romero-Anaya, A.J.; Molina, Alejandro; García, Padilla; Colorado, Angela Adriana Ruíz; Linares-Solano, Á.; Lecea, C. Salinas-Martı́nez de

doi:10.1016/j.biombioe.2010.12.007

Cited by 21 publications

(13 citation statements)

References 37 publications

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“…Partial gasification using water vapor, carbon dioxide, or their mixtures increases the surface area in activated carbons [5,6]. However, chemical activation with acids or alkalis, among other chemical compounds, have been also reported to improve the surface area in ACs [7][8][9][10][11][12][13][14]. Wei et al [15] observed higher specific surface area (SSA) values with large mesoporous volume when KOH was used.…”

Section: Introductionmentioning

confidence: 99%

Activated Carbon by Potassium Carbonate Activation from Pine Sawdust (Pinusmontezumae Lamb.)

et al. 2020

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Activated carbon (AC) was gained from Pinus montezumae (PM) wood sawdust and chemical activation with K2CO3 was used for obtaining activated carbons. Variations in reaction conditions such as temperature, impregnation ratio (IR), and activation time were carried out to study their influence on the specific surface area (SSA) and average pore volume (APV) in AC. Materials were analyzed by means of Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and X‐ray diffraction (XRD) to determine the functional groups, pore structure, and morphology of pine sawdust and activated carbons. Activated carbons were amorphous in nature with some crystalline regions.

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Section: Introductionmentioning

confidence: 99%

Activated Carbon by Potassium Carbonate Activation from Pine Sawdust (Pinusmontezumae Lamb.)

et al. 2020

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“…The three most common activating agents are ZnCl 2 , H 3 PO 4 and KOH; high surface area (> 2000 m 2 g −1 ) AC was prepared using ZnCl 2 , also a micropore AC (620 m 2 g −1 ) was prepared using 40 wt% ZnCl 2 impregnation (Moreno-Piraján & Giraldo 2011, Yorgun et al 2009. However, ZnCl 2 is considered as the most expensive activating agent, while the cheapest activating agent is H 3 PO 4 and it has been extensively used in the literature (Kyzas et al 2016b, Nahil & Williams 2012, Romero-Anaya et al 2011, Yorgun et al 2009. Gómez-Tamayo et al studied the production of ACs via different concentrations of phosphoric acid and pyrolysis temperatures; it was found that 60% H 3 PO 4 concentration along with pyrolysis temperature of 450°C produced AC with a surface area of 1723 m 2 g −1 (del Mar Gómez-Tamayo et al 2008).…”

Section: Introductionmentioning

confidence: 99%

Production and characterisation of activated carbon and carbon nanotubes from potato peel waste and their application in heavy metal removal.

Osman

Blewitt²,

Abu‐Dahrieh³

et al. 2019

Environ Sci Pollut Res

112

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Herein, activated carbon (AC) and carbon nanotubes (CNTs) were synthesised from potato peel waste (PPW). Different ACs were synthesised via two activation steps: firstly, with phosphoric acid (designated PP) and then using potassium hydroxide (designated PK). The AC produced after the two activation steps showed a surface area as high as 833 m 2 g −1 with a pore volume of 0.44 cm 3 g −1 , where the raw material of PPW showed a surface area < 4 m 2 g −1. This can help aid and facilitate the concept of the circular economy by effectively up-cycling and valorising waste lignocellulosic biomass such as potato peel waste to high surface area AC and subsequently, multi-walled carbon nanotubes (MWCNTs). Consequently, MWCNTs were prepared from the produced AC by mixing it with the nitrogen-based material melamine and iron precursor, iron (III) oxalate hexahydrate. This produced hydrophilic multi-wall carbon nanotubes (MWCNTs) with a water contact angle of θ = 14.97°. Both AC and CNT materials were used in heavy metal removal (HMR) where the maximum lead absorption was observed for sample PK with a 84% removal capacity after the first hour of testing. This result signifies that the synthesis of these up-cycled materials can have applications in areas such as wastewater treatment or other conventional AC/CNT end uses with a rapid cycle time in a twofold approach to improve the eco-friendly synthesis of such value-added products and the circular economy from a significant waste stream, i.e., PPW.

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“…As seen in Fig. 2a and b, the specific microstructure of Scc/Szz is different than that of absorbents derived from lignocellulose (Romero-Anaya et al, 2010). In addition to iron-containing porous carbons (Fig.…”

Section: Sem and Tem Studymentioning

confidence: 92%

Zero-valent iron doped carbons readily developed from sewage sludge for lead removal from aqueous solution

Sun

Zhou

et al. 2015

Journal of Environmental Sciences

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Phosphoric acid activation of recalcitrant biomass originated in ethanol production from banana plants

Cited by 21 publications

References 37 publications

Activated Carbon by Potassium Carbonate Activation from Pine Sawdust (Pinusmontezumae Lamb.)

Activated Carbon by Potassium Carbonate Activation from Pine Sawdust (Pinusmontezumae Lamb.)

Production and characterisation of activated carbon and carbon nanotubes from potato peel waste and their application in heavy metal removal.

Zero-valent iron doped carbons readily developed from sewage sludge for lead removal from aqueous solution

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