Pore structure and adsorption properties of carbonized material prepared from waste paper

We have already reported the adsorptivity and pore structure of activated carbon made from waste newspaper in order to use the waste paper for purposes other than paper-making stock. However, manufacturing the activated carbon may not necessarily be an advantageous method based on environmental conc...

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Bibliographic Details
Published in:Journal of material cycles and waste management 2001-10, Vol.3 (2), p.135
Main Authors: Shimada, Masahiro, Iida, Takahiko, Kawarada, Kensuke, Okayama, Takayuki, Fushitani, Masami
Format: Article
Language:English
Subjects:
Activated carbon
Adsorbents
Adsorption
Carbon
Charcoal
Energy consumption
Environmental conditions
Humidity
Humidity control
Industrial wastes
Iodine
Manufacturing
Nitrogen
Outdoor air quality
Phenols
Pulp & paper mills
Raw materials
Studies
Temperature
Waste paper
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Summary:We have already reported the adsorptivity and pore structure of activated carbon made from waste newspaper in order to use the waste paper for purposes other than paper-making stock. However, manufacturing the activated carbon may not necessarily be an advantageous method based on environmental concerns and the effective use of the resource because the reaction during the activating process is endothermic and the amount of carbon consumed is significant. Here, we examine the pore structure and adsorption properties of waste newspaper used as an adsorbent in the form of a carbonized material. Waste newspaper was carbonized for 2h in the temperature range 400°-1000°C. The specific surface area of the carbonized material obtained, 418m^sup 2^/g, was highest for the sample carbonized at 800°C, which was equal to or greater than that of commercially available charcoal. Moreover, the iodine adsorption number of 581mg/g was the highest and the rate of adsorption was the fastest for the sample carbonized at 800°C. However, the humidity control capability was highest for the material carbonized at 600°-700°C. It has been determined that it is advantageous to carbonize waste paper at 800°C in order to use the carbonized material as an adsorbent, while carbonization at 600°-700°C is more advantageous for use as a humidity control material.[PUBLICATION ABSTRACT]
ISSN:1438-4957
1611-8227
DOI:10.1007/s10163-001-0051-1