Low-cost adsorbents from chemically modified coffee husks for the treatment of wastewater containing heavy metals

Oliveira, Leandro S.; Franca, Adriana S.; Camões, João G.S.; Oliveira, Waleska E.

doi:10.1016/j.jbiotec.2008.07.1519

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Cited by 3 publications

(2 citation statements)

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“…Therefore, CS can be used as an excellent food supplement as it can increase the total antioxidant capacity of various food products. Moreover, it can serve as a The production of low-cost adsorbents from CH has been reported by[224].…”

mentioning

confidence: 99%

Valorization of spent coffee grounds into biofuels and value-added products: Pathway towards integrated bio-refinery

Atabani

Al-Muhtaseb

Kumar

et al. 2019

Fuel

134

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mentioning

confidence: 99%

Valorization of spent coffee grounds into biofuels and value-added products: Pathway towards integrated bio-refinery

Atabani

Al-Muhtaseb

Kumar

et al. 2019

Fuel

134

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“…For this reasons, in recent years, research attention has been focused on biosorption process. Recently, a number of studies were carried out on low cost adsorbents from natural resources . Chitin, poly‐N‐acetylglucosamine, is a natural polymer found in several sources such as crustaceans and fungal cell walls.…”

Section: Introductionmentioning

confidence: 99%

Adsorption of palladium and platinum from aqueous solutions by chitosan and activated carbon coated with chitosan

Sharififard

Ashtiani

Soleimani

2012

Asia-Pacific J Chem Eng

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In this work, the potential of chitosan and activated carbon coated with chitosan for palladium and platinum adsorption from aqueous solutions was investigated. The observed results showed that the optimum operating conditions for palladium and platinum adsorption on chitosan were initial pH 2, particle size of adsorbent = 0.21 mm and adsorbent dose = 10 g/L. Equilibrium studies showed that palladium and platinum adsorption on chitosan was of spontaneous and exothermic nature. Equilibrium results fitted with Langmuir, Freundlich, Temkin and Dubinin‐Radushkevich models for two adsorbents. The maximum adsorption capacities for palladium and platinum adsorption were 62.50 and 66.66 mg/g of chitosan and 43.48 and 52.63 mg/g of activated carbon coated with chitosan, respectively. Kinetic data were found to confirm pseudo‐second‐order kinetic model. © 2012 Curtin University of Technology and John Wiley & Sons, Ltd.

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Optimization of antioxidants extraction from coffee silverskin, a roasting by-product, having in view a sustainable process

Costa¹,

Alves²,

Vinha

et al. 2014

Industrial Crops and Products

153

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Low-cost adsorbents from chemically modified coffee husks for the treatment of wastewater containing heavy metals

Cited by 3 publications

References 2 publications

Valorization of spent coffee grounds into biofuels and value-added products: Pathway towards integrated bio-refinery

Valorization of spent coffee grounds into biofuels and value-added products: Pathway towards integrated bio-refinery

Adsorption of palladium and platinum from aqueous solutions by chitosan and activated carbon coated with chitosan

Optimization of antioxidants extraction from coffee silverskin, a roasting by-product, having in view a sustainable process

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