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Mesoporous-rich calcium and potassium-activated carbons prepared from degreased spent coffee grounds for efficient removal of MnO₄ ^2- in aqueous media.

ABSTRACT: Commercial ACs typically possess high surface areas and high microporosity. However, ACs with appreciable mesoporosity are growing in consideration and demand because they are beneficial for the adsorption of large species, such as heavy metal ions. Thus, in this study, degreased coffee grounds (DCG) were used as precursors for the production of ACs by means of chemical activation at 600 °C for the efficient removal of manganese in the form of MnO₄ ^2-. One of the most common activating agents, ZnCl₂, is replaced by benign and sustainable CaCl₂ and K₂CO₃. Three ratios 1 : 1, 1 : 0.5 and 1 : 0.1 of precursor-to-activating agent (g g^-1) were investigated. Porosimetry indicates 1 : 1 CaCl₂ DCGAC is highly m

SUBMITTER: Bose S

PROVIDER: S-EPMC9252606 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature

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Mesoporous-rich calcium and potassium-activated carbons prepared from degreased spent coffee grounds for efficient removal of MnO₄ ^2- in aqueous media.

OmicsDI is part of the ELIXIR infrastructure

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Dataset Information

Mesoporous-rich calcium and potassium-activated carbons prepared from degreased spent coffee grounds for efficient removal of MnO4 2- in aqueous media.

OmicsDI is part of the ELIXIR infrastructure

Tweets

Mesoporous-rich calcium and potassium-activated carbons prepared from degreased spent coffee grounds for efficient removal of MnO₄ ^2- in aqueous media.