The adsorption of organic pollutants by lignite and lignite derived activated carbons
โ Scribed by S.J. Allen
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 166 KB
- Volume
- 72
- Category
- Article
- ISSN
- 0016-2361
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๐ SIMILAR VOLUMES
Coal specimens with different mineral matter contents were produced from Greek lignite using various acid treatment conditions. Ash content and chemical composition of mineral matter depended on the type of acid used and the sequence of treatment stages. Gasification rates of coals were investigated
## In order to study the effect of surface acidity of activated carbons on their adsorption characteristics, three kinds of aromatic amines and four kinds of o-substituted phenols were adsorbed from organic solutions by twelve kinds of activated carbons of different acidity and of known pore-struc
## Abstract Activated carbons play an important role in the purification of air and of water. Whereas vapors are adsorbed by a micropore filling process, the removal of sparingly soluble species such as phenol and its derivatives is limited to the coating of the effective surface of the material. T
Data for water adsorption at 293 K by an activated series and a heat-treated series of PVDC based carbons are reported. Type 5 (BDDT) isotherms were obtained for adsorption by each carbon. Total water adsorption volumes (a,) are lower than total pore volumes and Dubinin-Radushkevich micropore volume