Effect of Carbonization Temperature and Activation on Structural Formation of Active Lignin Carbons
β Scribed by I. V. Perezdrienko; T. B. Molodozhenyuk; B. E. Shermatov; M. P. Yunusov
- Book ID
- 110331496
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 2001
- Tongue
- English
- Weight
- 33 KB
- Volume
- 74
- Category
- Article
- ISSN
- 1070-4272
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## Abstract Polyacrylonitrile (PAN) hollow fibers were pretreated with ammonium dibasic phosphate, then further oxidized in air, carbonized in nitrogen, and activated with carbon dioxide. The effects of activation temperature of a precursor fiber on the microstructure, specific surface, poreβsize d
Chars, prepared by pyrolysis of prune pits at I or lS"C/min to 500, 700 or 9OO"C, were subsequently gasified by CO, at 900Β°C. Pyrolysis conditions did not significantly affect the porosity developed for a given mass loss due specifically to gasification reactions, i.e. excluding additional pyrolytic