Activated carbon from cherry stones

Lussier, Michael G.; Shull, Jeffrey C.; Miller, Dennis J.

doi:10.1016/0008-6223(94)90144-9

Cited by 140 publications

(62 citation statements)

References 9 publications

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“…De acordo com a Equação de van't Hoff, (4) ΔH° e ΔS° podem ser obtidas, respectivamente, da inclinação e do intercepto de um gráfico de ln K L versus 1/T.…”

Section: Estudo Da Cinética De Adsorção De Am Em Capunclassified

“…Esse material se caracteriza quimicamente pelo seu alto teor de fibra bruta (celulose, lignina e hemicelulose) e baixos teores de extrativos e cinzas. 3 Em anos recentes, vários estudos relataram a produção de carvões ativados (CA) a partir de resíduos tais como sementes de frutas, 4 bagaço de cana-de-açúcar, 5 restos de couro, 6 pneus 7 etc. O carvão ativado (CA) é um material carbonáceo e poroso preparado pela carbonização e ativação de substâncias orgânicas, principalmente de origem vegetal.…”

Section: Introductionunclassified

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Preparação e caracterização de carvão ativado produzido a partir de resíduos do beneficiamento do café

Brum¹,

Bianchi²,

Silva³

et al. 2008

Quím. Nova

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“…De acordo com a Equação de van't Hoff, (4) ΔH° e ΔS° podem ser obtidas, respectivamente, da inclinação e do intercepto de um gráfico de ln K L versus 1/T.…”

Section: Estudo Da Cinética De Adsorção De Am Em Capunclassified

Section: Introductionunclassified

Preparação e caracterização de carvão ativado produzido a partir de resíduos do beneficiamento do café

Brum¹,

Bianchi²,

Silva³

et al. 2008

Quím. Nova

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“…Wastes are carbonized to be applied to soil modifiers and humidity materials, and, moreover, activated carbons are produced from raw materials containing rich carbon [18][19][20][21][22]. In the present work, the finely grinded biomass charcoal powder (BCP) was prepared from plant biomass wastes such as dumped adzuki bean, bamboo, and wood by pyrolysis without combustion under nitrogen atmosphere and comminution with a jet mill.…”

Section: Introductionmentioning

confidence: 99%

Increase in thermal stability of proteins adsorbed on biomass charcoal powder prepared from plant biomass wastes

Noritomi¹,

Kai²,

Iwai³

et al. 2011

JBiSE

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Thermal stability of lysozyme adsorbed on biomass charcoal powder (BCP), which was prepared from plant biomass wastes such as dumped adzuki bean, bamboo, and wood by pyrolysis without combustion under nitrogen atmosphere and comminution with a jet mill, was examined. Adsorbing lysozyme on BCP could sufficiently prevent proteins from denaturing and aggregating in an aqueous solution at high temperatures, and enhanced the refolding of thermally denatured proteins by cooling treatment. The remaining activities of lysozyme adsorbed on BCP of adzuki bean exhibited 51% by cooling treatment after the heat treatment at 90˚C for 30 min, although that of native lysozyme was almost lost under the same experimental conditions. The thermostabilization effect of BCP on the remaining activity of adsorbed lysozyme was markedly dependent upon the kind of plant biomass wastes.

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“…13,14 Um dos métodos de ativação do carvão é o químico, que tem sido objeto de estudo por apresentar algumas vantagens, como menor temperatura de pirólise e maior rendimento. 15 No processo de ativação química são utilizados reagentes ativantes com propriedades ácidas, tais como: H 3 PO 4 , HCl e H 2 SO 4, além de reagentes básicos como KOH e NaOH. 16,17 Uma grande variedade de técnicas têm sido utilizadas para o tratamento de efluentes e especialmente a adsorção em carvão ativado, [18][19][20] é um dos processos que vem dando resultados promissores, bem como pode ser aplicado para remoção de diferentes tipos de analitos de natureza orgânica e inorgânica, tornando-se uma técnica de tratamento atrativa.…”

Section: -11unclassified

Study of the Cu(II) Removal from Aqueous Medium Using Carbon Prepared from Licuri Shell (Syagrus coronata)

Sá¹,

Filho²,

Guedes³

et al. 2017

Rev. Virtual Quim.

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Study of the Cu(II) Removal from Aqueous Medium Using Carbon Prepared from Licuri Shell (Syagrus coronata)Abstract: Different alternatives for the removal of metals in waters and effluents are used, and the adsorption is a widely used method. This study aimed to preparation of the activated carbon from the shell of licuri (Syagrus coronata) coconut (LAC) and its use for the removal of Cu (II) ions from aqueous solution by optimizing the adsorption conditions. The material was calcined, and subsequently ground and sieved, followed by chemical activation with sulfuric acid. The equilibrium experimental conditions were obtained from pH 8, temperature 25 ± 1 °C, mass 100 mg of LAC, Cu (II) solution volume of 40 ml and adsorption time of 60 minutes. Under these conditions, the maximum adsorption capacity was of 26 mg g -1 and 10 mg g -1 , respectively, for solutions containing 80 and 20 mg L -1 of Cu (II), representing a removal of 25% and 60%, respectively. Experimental data indicate better suitability for the kinetic model pseudo 2 nd order (R 2 = 0.981) and adsorption isotherm best correlated to the Langmuir model (R 2 = 0.996). The results showed satisfactory efficiency for the removal Cu (II) in aqueous solutions from a simple and low cost method, using as adsorbent an agricultural residue widely produced in Brazil.

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Activated carbon from cherry stones

Cited by 140 publications

References 9 publications

Preparação e caracterização de carvão ativado produzido a partir de resíduos do beneficiamento do café

Preparação e caracterização de carvão ativado produzido a partir de resíduos do beneficiamento do café

Increase in thermal stability of proteins adsorbed on biomass charcoal powder prepared from plant biomass wastes

Study of the Cu(II) Removal from Aqueous Medium Using Carbon Prepared from Licuri Shell (Syagrus coronata)

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