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- W2349562007 abstract "In order to obtain a high absorptive pitch-based carbon material,the combination of template and chemical activation has been used to prepare functional absorptive carbon material. The nano calcium carbonate was chosen as a template and potassium hydroxide as an activation agent. With phenol as a adsorbate to estimate the adsorptivity of the carbon material. The results showed that the adsorption capacity of the carbon material was affected by the proportion of template to coal tar pitch. It reaches 2. 49 mmol /g when the mass ratio of calcium carbonate to pitch was 1∶ 2. At the same condition,the adsorption capacity of the carbon material prepared by pitch alone was only 1. 9 mmol /g. It increases by31% comparing with usage of the template. Further analysis shows that the adsorption process accords with the Freundlich equation. And its adsorption heat was between 35. 9-50. 8 kJ /mol,which indicates that it belongs to the typical physical absorption. The research provides a new choice for utilizing coal tar pitch." @default.
- W2349562007 created "2016-06-24" @default.
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- W2349562007 date "2014-01-01" @default.
- W2349562007 modified "2023-09-24" @default.
- W2349562007 title "Preparation of pitch-based carbon materials by template and its adsorption for phenol" @default.
- W2349562007 hasPublicationYear "2014" @default.
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