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.)
Foret SA
Original Assignee
Foret 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.)
Filing date
Publication date
Application filed by Foret SAfiledCriticalForet SA
Priority to ES0260521ApriorityCriticalpatent/ES260521A1/en
Publication of ES260521A1publicationCriticalpatent/ES260521A1/en
Heat Treatment Of Water, Waste Water Or Sewage
(AREA)
Abstract
Improvements in the concentration processes of hydrogen peroxide, especially aqueous hydrogen peroxide, by fractional distillation in a high purity aluminum column in which reflux water is added in or near the top of the fractionating column characterized in that, phosphate ions are present in said reflux water. (Machine-translation by Google Translate, not legally binding)
ES0260521A1960-08-111960-08-11Improvements in hydrogen peroxide concentration processes (Machine-translation by Google Translate, not legally binding)
ExpiredES260521A1
(en)
Recovery procedure of pirrolidone-carboxylic acid, starting from various mixtures, especially from beet juice (Machine-translation by Google Translate, not legally binding)