ES224195A1 - A procedure for the extraction of selenio from raw materials that contain it (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the extraction of selenio from raw materials that contain it (Machine-translation by Google Translate, not legally binding)
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.)
RAGNER TANBERG
Original Assignee
RAGNER TANBERG
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.)
Filing date
Publication date
Application filed by RAGNER TANBERGfiledCriticalRAGNER TANBERG
Publication of ES224195A1publicationCriticalpatent/ES224195A1/en
Process for the extraction of selenium from raw materials containing it, for example, in the form of selenide, selenium, selenite, sulfur compounds and selenium, by means of an oxidation treatment, characterized by the fact that the raw material in a glass closed is subjected to a treatment with elemental oxygen maintaining an overpressure of oxygen in the reactor and in the presence of nitric acid or nitrous gases as an oxygen supply agent in an amount that, without the presence of oxygen, would be insufficient to effect a complete oxidation, oxygen-deficient nitrogen compounds formed by the oxidation process being regenerated to nitrogenous compounds with excess oxygen, such as no, by means of the oxygen present, after which the selenious forming acid is extracted from the raw material treated and worked to get selenium. (Machine-translation by Google Translate, not legally binding)
ES0224195A1954-10-021955-09-29A procedure for the extraction of selenio from raw materials that contain it (Machine-translation by Google Translate, not legally binding)
ExpiredES224195A1
(en)
Procedure for the obtaining of trialuqiladipine acids especially from trimethyladine acid (Machine-translation by Google Translate, not legally binding)
Process for the production of gases containing sulfur dioxide by stepwise roasting of roastable sulfur in addition to antimony alone or in addition to materials containing antimony and arsenic
A procedure for obtaining a disinfecting and protective product of fresh fruits especially agrios (Machine-translation by Google Translate, not legally binding)