Cellulose: A review as natural, modified and activated carbon adsorbent

Suhas, .; Gupta, Vinod Kumar; Carrott, P.J.M.; Singh, Randhir; Chaudhary, Meenu; Kushwaha, Sarita

doi:10.1016/j.biortech.2016.05.106

Cited by 608 publications

(184 citation statements)

References 72 publications

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“…The micropore volume and micropore surface area were 0.42 cm 3 g −1 and 1120 m 2 g −1 for AH‐Enz‐py and 0.27 cm 3 g −1 and 735 m 2 g −1 for OSL‐py, respectively, which are comparable with values of activated carbons from agricultural biomass including lignin and woody lignocellulose ,. The median pore size of both pyrolyzed lignins was in a similar range, 0.56 nm and 0.51 nm for AH‐Enz‐py and OSL‐py, respectively, and do not show previously reported differences in pore size distribution according to the predominance of cellulose versus lignin ,. The results indicate that both biochars predominantly show micropores with a low number of mesopores in the 2–6 nm range.…”

Section: Resultssupporting

confidence: 56%

Biorefinery of Lignocellulosic Biomass from an Elm Clone: Production of Fermentable Sugars and Lignin‐Derived Biochar for Energy and Environmental Applications

et al. 2018

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Valorization of lignocellulosic feedstock from a Dutch elm disease tolerant Ulmus minor clone was studied as a new biomass resource. Herein, fermentable sugars and activated carbons from the side‐stream lignins were produced. For the sugar extraction organosolv and acid hydrolysis pretreatments prior to enzymatic hydrolysis were compared for the first time for this clone prior to enzymatic hydrolysis; organosolv was more efficient for delignification (49 %), while acid hydrolysis was more efficient at eliminating hemicelluloses (95 %). A high final glucose concentration of 22–23.5 g L−1 was obtained after enzymatic hydrolysis suggesting that this clone can be considered a potential source for glucose‐based biofuel production. The side‐stream lignins were converted to microporous biochars of high surface area (1220 m2 g−1) and micropore volume (0.42 cm3 g−1). These biochars exhibited excellent properties as electrodes in supercapacitors with a specific capacitance of 118 F g−1 and a high energy density of 14 Wh kg−1 at 7000 W kg−1, while they were also efficient adsorbents in water remediation of model contaminants.

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Section: Resultssupporting

confidence: 56%

Biorefinery of Lignocellulosic Biomass from an Elm Clone: Production of Fermentable Sugars and Lignin‐Derived Biochar for Energy and Environmental Applications

et al. 2018

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“…Thus in this study four chemical reagents, H 2 SO 4 , HNO 3 , KOH and CaCl 2 /HCl, were used to modify bagasse AC to increase its efficiency for gaseous MTBE adsorption. These chemical reagents are effective and commonly used as chemical reagents for pore and surface improvement . The chemicals were selected from the literature for the specific character of each reagent, thus modification with acidic reagents will increase the hydrogen ion content (H + ) causing increased positive charge on the material surface .…”

Section: Introductionmentioning

confidence: 99%

Removal of gaseous methyl tert‐butyl ether using bagasse activated carbon pretreated with chemical agents

Pongkua

Dolphen

Thiravetyan

2019

J of Chemical Tech & Biotech

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Background Methyl tert‐butyl ether (MTBE), an anti‐knocking reagent emitted from incomplete gasoline combustion can affect human health. Bagasse activated carbon (AC) was modified by H2SO4, KOH, CaCl2/HCl and HNO3 to increase surface area and surface functional groups which led to enhance MTBE adsorption. Results The results showed maximum adsorption capacity (Qmax) of MTBE by bagasse AC modified by H2SO4 was the highest (989.33 mg g−1), while the lowest was bagasse AC modified by HNO3 (463.82 mg g−1). Not much difference was shown to the surface area and micropore volume of the different modified materials. Therefore, the surface functional groups on the different modified materials played an important role in MTBE adsorption. H2SO4 modified bagasse AC had a higher maximum adsorption capacity than a commercial AC (CGC12) (560.48 mg g−1), which might be due to the presence of higher ester (CO), carbonyl (CO) and CH stretching groups than commercial AC and other modified bagasse ACs. Conclusion Surface functional groups of adsorbents play an important role in MTBE adsorption. Consequently, it will be possible to enhance MTBE removal by increasing ester (CO), carbonyl (CO) and CH groups on the material's surface. These functional groups are directly involved in MTBE adsorption. © 2019 Society of Chemical Industry

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“…Because of its well-developed pore structure and chemical stability, it has been widely used for purification, especially for purifying air and water [4,5]. In the last decade, it has been extensively used for the prevention of environmental pollution [6][7][8], and in pharmaceutical applications [9] and the catalytic industry [10] as well.…”

Section: Introductionmentioning

confidence: 99%

Properties of Avermectin Delivery System Using Surfactant-Modified Mesoporous Activated Carbon as a Carrier

Sun

Wang

Zhao

et al. 2018

Journal of Nanomaterials

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The sensitivity of avermectin to several environmental factors, especially light, causes low pesticidal activity and environmental pollution. In this study, surfactant-modified mesoporous activated carbon (MAC) was employed to absorb avermectin (Av) in order to improve its photostability and allow for sustained release of avermectin. The results suggest that sodium dodecyl sulfate (SDS) modified MAC has excellent absorption of avermectin, and the absorption can be represented by the Langmuir isotherm model. The Av-MAC-SDS delivery system significantly improves sustained release of avermectin and also effectively inhibits the photodegradation of avermectin. These results indicate that SDS-modified MAC can be used as a carrier for avermectin to improve its pesticidal activity and reduce pesticide residues.

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Cellulose: A review as natural, modified and activated carbon adsorbent

Cited by 608 publications

References 72 publications

Biorefinery of Lignocellulosic Biomass from an Elm Clone: Production of Fermentable Sugars and Lignin‐Derived Biochar for Energy and Environmental Applications

Biorefinery of Lignocellulosic Biomass from an Elm Clone: Production of Fermentable Sugars and Lignin‐Derived Biochar for Energy and Environmental Applications

Removal of gaseous methyl tert‐butyl ether using bagasse activated carbon pretreated with chemical agents

Properties of Avermectin Delivery System Using Surfactant-Modified Mesoporous Activated Carbon as a Carrier

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