2006
DOI: 10.1007/s10562-006-0045-7
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Eco-efficient Catalytic Hydrodechlorination of Carbon Tetrachloride in Aqueous Cyclodextrin Solutions

Abstract: An eco-efficient process of catalytic hydrodechlorination of carbon tetrachloride into methane and chloride salts has been developed in aqueous basic medium at room temperature. The organic pollutants are trapped in water by cyclodextrins (CDs) via the formation of inclusion complexes and dechlorinated by a supported heterogeneous palladium catalyst. Catalytic investigations demonstrate that CDs act as efficient CCl 4 solubilizers and, much more interesting, as protective molecules against side reactions.

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Cited by 15 publications
(9 citation statements)
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References 22 publications
(21 reference statements)
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“…Estudos vêm sendo feitos atualmente com o objetivo de se aplicar CDs no desenvolvimento de metodologias que visam a degradação destes compostos. Ponchel e colaboradores desenvolveram um processo ecoeficiente de decomposição do tetracloreto de carbono em metano e cloreto, com o uso de solução aquosa básica em condições de temperatura ambiente 86 . Nesta estratégia, as CDs são usadas para aprisionar o poluente orgânico em água a fim de que ele possa ser degradado por um catalisador heterogêneo contendo paládio.…”
Section: Ciclodextrinas Em Química Ambientalunclassified
“…Estudos vêm sendo feitos atualmente com o objetivo de se aplicar CDs no desenvolvimento de metodologias que visam a degradação destes compostos. Ponchel e colaboradores desenvolveram um processo ecoeficiente de decomposição do tetracloreto de carbono em metano e cloreto, com o uso de solução aquosa básica em condições de temperatura ambiente 86 . Nesta estratégia, as CDs são usadas para aprisionar o poluente orgânico em água a fim de que ele possa ser degradado por um catalisador heterogêneo contendo paládio.…”
Section: Ciclodextrinas Em Química Ambientalunclassified
“…The high-efficient absorption capacity and selectivity of β-CD are ascribed to its hydrophilic external surface, hydrophobic interior and specific cavity diameter which only accommodate the guest molecules with appropriate size [3][4][5][14][15][16][17]. β-CD has found its role for the treatment of environmental organic pollutants [3][4][5][18][19][20][21]. β-CD could be employed for the enhanced degradation of organic pollutants [18].…”
Section: Introdutionmentioning
confidence: 99%
“…β-CD has found its role for the treatment of environmental organic pollutants [3][4][5][18][19][20][21]. β-CD could be employed for the enhanced degradation of organic pollutants [18]. Fe 3 O 4 @β-CD composites, synthesized by a plasma-induced grafting method, showed its ability to remove 1-naphthylamine and Cu (Ⅱ) [21].…”
Section: Introdutionmentioning
confidence: 99%
“…Recently, chemically modified CDs have also been used in reactions such as the hydrodechlorination of CCl 4 [105], the Suzuki-Miyaura reaction [106] and the Heck reaction [107]. The modified CDs, particularly RAMECDs, appeared much more efficient than native CDs to increase the reaction rates and selectivities.…”
Section: Dispersion and Activation Of Palladium Charcoal By Cyclodextmentioning
confidence: 99%