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Effect of sulfur-containing acids on the penetration and softening point of asphalts obtained from acid sludge

✍ Scribed by G. A. Kolmakov; V. F. Zanozina; E. N. Karataev; P. S. Ivanov; D. F. Grishin; A. D. Zorin


Book ID
110196618
Publisher
Springer
Year
2007
Tongue
English
Weight
180 KB
Volume
47
Category
Article
ISSN
0965-5441

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## Abstract **BACKGROUND:** The biodegradable organic matter and the initial carbon–nitrogen ratio can be substantially different in different batches of sewage sludge, which results in a difference in the acidification efficiency of sludge. Using sewage sludge from three different sources, batch t