Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ragnar Tronstad0
Erik Enebakk0
Gabriella Maria Tranell0
Date of Patent
April 5, 2011
0Patent Application Number
105155830
Date Filed
March 17, 2003
0Patent Primary Examiner
Patent abstract
The present invention relates to a calcium-silicate based slag having a phosphorus content of less than 3 ppmw. The invention further relates to a method for producing low phosphorus calcium-silicate based slag, where molten calcium-silicate based slag is treated with a molten ferrosilicon alloy in a vessel, whereby phosphorus in the calcium-silicate based slag is transferred to the ferrosilicon alloy, and a low phosphorus calcium-silicate based slag is removed from the vessel.
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