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gypsum calcination oil boiler Agent
gypsum calcination oil boiler Agent
US7815889B2 - Method and apparatus for pressurized
For the calcination of gypsum can be used a number of different methods. The calcination may be performed, for example, by thermal drying at high temperatures, the heat treatment in large boilers, heating furnaces or drum-type furnaces, the use of …
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Method and device for calcination of gypsum under pressure
For the calcination of gypsum can be used a number of different methods. The calcination may be performed, for example, by thermal drying at high temperatures, the heat treatment in large boilers, heating furnaces or drum-type furnaces, the use of steam or heat treatment in aqueous suspensions. These different methods can result in products of
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