Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Produits Chimiques Ugine Kuhlmann
Ugine Kuhlmann SA
Original Assignee
Produits Chimiques Ugine Kuhlmann
Ugine Kuhlmann SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Solid-Sorbent Or Filter-Aiding Compositions
(AREA)
Silicon Compounds
(AREA)
Abstract
Procedure for the treatment of uranium minerals, in which uranium is mainly in the form of otunite and of compounds dispersed in a gangue based on tricalcium phosphate and silica, in order to pass the uranium in solution, characterized in that The divided mineral is introduced into a system of several successive reactors in which it circulates and is kept in contact with aqueous SO2 solutions maintained at a temperature between 15 and 30ºC. (Machine-translation by Google Translate, not legally binding)
ES364489A1968-03-081969-03-07Procedure for the treatment of uraniferous minerals. (Machine-translation by Google Translate, not legally binding)
ExpiredES364489A1
(en)