Acid treatment of lignite and its effect on activation
β Scribed by Peter Samaras; Evan Diamadopoulos; George P. Sakellaropoulos
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 659 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0008-6223
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Six Turkish lignites were treated with solutions of HCl or EtONa at ambient temperature or at 150Β°C. The proximate analysis, forms of sulfur, acidic functional groups and calcium contents of the raw and treated lignites were determined. The solutions after treatment were analysed for calcium. The ef
## Abstract Naphthalenesulfonic compounds are widely used, mainly by the textile industry in the synthesis of azoic colorants. The presence of the sulfonic group is known to endow these compounds with high waterβsolubility and low biodegradability, although its influence on their genotoxic activity