NDLI: Phenol adsorption by activated carbon produced from spent coffee grounds.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Castro, Cínthia S. Abreu, Anelise L. Silva, Carmen L. T. Guerreiro, Mário C.
Spatial Coverage	Brazil
Description	Country affiliation: Brazil Author Affiliation: Castro CS ( Depto de Química, Universidade Federal de Lavras, Lavras-MG, Brazil. cicastro14@yahoo.com.br)
Abstract	The present work highlights the preparation of activated carbons (ACs) using spent coffee grounds, an agricultural residue, as carbon precursor and two different activating agents: water vapor (ACW) and K(2)CO(3) (ACK). These ACs presented the microporous nature and high surface area (620-950 m(2) g(-1)). The carbons, as well as a commercial activated carbon (CAC) used as reference, were evaluated as phenol adsorbent showing high adsorption capacity (≈150 mg g(-1)). The investigation of the pH solution in the phenol adsorption was also performed. The different activating agents led to AC with distinct morphological properties, surface area and chemical composition, although similar phenol adsorption capacity was verified for both prepared carbons. The production of activated carbons from spent coffee grounds resulted in promising adsorbents for phenol removal while giving a noble destination to the residue.
File Format	HTM / HTML
ISSN	02731223
Issue Number	10
Volume Number	64
e-ISSN	19969732
Journal	Water Science & Technology
Language	English
Publisher	IWA Publishing
Publisher Date	2011-01-01
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Discipline Hydrology Charcoal Chemistry Coffee Phenol Isolation & Purification Water Pollutants, Chemical Water Purification Methods Adsorption Brazil Microscopy, Electron, Scanning Models, Theoretical Porosity Seeds Surface Properties Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Environmental Engineering Water Science and Technology

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