The adsorptive properties of chlorinated coal or nutshell carbons depend on the chlorination temperature. Chlorination at about 18o"C, followed by extraction with water or methanol, yields carbons that have similar adsorption properties and are relatively hydrophobic compared to the controls. Under
The preparation and properties of some fluorinated activated carbons
โ Scribed by C.Richard Hall; Richard J. Holmes
- Book ID
- 107911521
- Publisher
- Elsevier Science
- Year
- 1991
- Weight
- 965 KB
- Volume
- 58
- Category
- Article
- ISSN
- 0166-6622
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Treatment of coal or coconut shell activated carbons with either phosgenc or chlorine at 180ยฐC followed by washing with methanol or water results in chlorinated carbons with very similar pore structures to their precursors. Water adsorption experiments show that the modified materials arc relatively
Abstrart-The surface properties of activated carbon are characterized by their surface acidity, surface ash content and elemental composition. The surface acidity of activated carbon can be readily determined by alkalimetric titration and calculated by the Gouy-Chapman theory of electrical double la