The paper investigates the sintering and crystallization behaviour of a LizO-AlsOs-Si02 glass powder containing TiOz and ZrOz. In-situ measuring methods of high-temperature dilatometry, high-temperature X-ray diffractometry and DTA at heating rates between 0.5 and 20 K/mm were conducted. By comparin
98/03786 Apparatus for manufacture of gypsum from fly ash
- Publisher
- Elsevier Science
- Year
- 1998
- Weight
- 199 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0140-6701
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โฆ Synopsis
and for a period of 10-3-10-2 s. The cycle is then repeated at a frequency of >350/min. The method may use as the raw material methane, ethane, or other gaseous hydrocarbons mainly produced during the separation of the large fraction of light hydrocarbons from petroleum gas. The method has a yield 2.5 times superior to that of conventional methods. 9Bi03777 Pyrolysis gas from biomass and pulverized biomass as reburn fuels in staged coal combustion
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In Japanese) Fly ash is used in mortar or concrete compositions at an amount of cement/ fly ash weight ratio of 20.5 when the pH of 20% coal ash slurry is >ll.O, cement/fly ash wt. ratio of ~0.7 when the pH of 20% coal ash slurry is ~9.0 but *l.O when the pH of 20% coal ash slurry is >h.O but ~9.0.
## Application of heat pump systems for energy in paper drying Abrahamsson, K