![]() Original Assignee University of Oklahoma Research Institute Priority date (The priority date is an assumption and is not a legal conclusion. University of Oklahoma Research Institute Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US357387A Inventor Albert L Burwell Current Assignee (The listed assignees may be inaccurate. Google Patents Process for the recovery of lime and hydrogen sulfide from calcium sulfateÄownload PDF Info Publication number US2740691A US2740691A US357387A US35738753A US2740691A US 2740691 A US2740691 A US 2740691A US 357387 A US357387 A US 357387A US 35738753 A US35738753 A US 35738753A US 2740691 A US2740691 A US 2740691A Authority US United States Prior art keywords steam lime calcium sulfate calcium hydrogen sulfide Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US2740691A - Process for the recovery of lime and hydrogen sulfide from calcium sulfate ![]() ![]() US2740691A - Process for the recovery of lime and hydrogen sulfide from calcium sulfate ![]()
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