Preparation of activated carbon from cherry stones by chemical activation with ZnCl2

Cherry stones (CS), an industrial product generated abundantly in the Valle del Jerte (Caceres province, Spain), were used as precursor in the preparation of activated carbon by chemical activation with ZnCl2. The influence of process variables such as the carbonisation temperature and the ZnCl2:CS...

Full description

Saved in:
Bibliographic Details
Published in:Applied surface science 2006-06, Vol.252 (17), p.5967-5971
Main Authors: OLIVARES-MARIN, M, FERNANDEZ-GONZALEZ, C, MACIAS-GARCIA, A, GOMEZ-SERRANO, V
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Disordered solids
Exact sciences and technology
Materials science
Physics
Porous materials
granular materials
Powders, porous materials
Specific materials
Structure of solids and liquids
crystallography
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Cherry stones (CS), an industrial product generated abundantly in the Valle del Jerte (Caceres province, Spain), were used as precursor in the preparation of activated carbon by chemical activation with ZnCl2. The influence of process variables such as the carbonisation temperature and the ZnCl2:CS ratio (impregnation ratio) on textural and chemical-surface properties of the products obtained was studied. Such products were characterised texturally by adsorption of N2 at -196 deg C, mercury porosimetry and density measurements. Information on the surface functional groups and structures of the carbons was provided by FT-IR spectroscopy. Activated carbon with a high development of surface area and porosity is prepared. When using the 4:1 impregnation ratio, the specific surface area (BET) of the resultant carbon is as high as 1971m2g-1. The effect of the increase in the impregnation ratio on the porous structure of activated carbon is stronger than that of the rise in the carbonisation temperature, whereas the opposite applies to the effect on the surface functional groups and structures.
ISSN:0169-4332
1873-5584
DOI:10.1016/j.apsusc.2005.11.008