Method of processing waste materials containing calcium fluoride

The method allows processing waste materials containing calcium fluoride. Unique characteristics: The sludge left after the production of calcium phosphates, containing at least 1 percent by weight of Na and 3 percent by weight of P2O5 in terms of dry matter, is calcined at the temperature of 700-90...

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Main Authors KOWALSKI ZYGMUNT, PASZEK ANDRZEJ, DRZYMALA ZYGMUNT, PIWOWARSKI MICHAL
Format Patent
LanguageEnglish
Polish
Published 28.04.2000
Edition7
Subjects
CHEMISTRY
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
COMPOUNDS THEREOF
DISPOSAL OF SOLID WASTE
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
RECLAMATION OF CONTAMINED SOIL SOIL
TRANSPORTING
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Abstract The method allows processing waste materials containing calcium fluoride. Unique characteristics: The sludge left after the production of calcium phosphates, containing at least 1 percent by weight of Na and 3 percent by weight of P2O5 in terms of dry matter, is calcined at the temperature of 700-900 degrees C for 1-2 hours. The product with the granulation above 15 mm is returned to the calcination process.
AbstractList The method allows processing waste materials containing calcium fluoride. Unique characteristics: The sludge left after the production of calcium phosphates, containing at least 1 percent by weight of Na and 3 percent by weight of P2O5 in terms of dry matter, is calcined at the temperature of 700-900 degrees C for 1-2 hours. The product with the granulation above 15 mm is returned to the calcination process.
Author DRZYMALA ZYGMUNT
PIWOWARSKI MICHAL
PASZEK ANDRZEJ
KOWALSKI ZYGMUNT
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DocumentTitleAlternate Sposób przerobu odpadów zawierających fluorek wapniowy
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Snippet The method allows processing waste materials containing calcium fluoride. Unique characteristics: The sludge left after the production of calcium phosphates,...
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SubjectTerms CHEMISTRY
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
COMPOUNDS THEREOF
DISPOSAL OF SOLID WASTE
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
RECLAMATION OF CONTAMINED SOIL SOIL
TRANSPORTING
Title Method of processing waste materials containing calcium fluoride
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