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.)
Chemiebau Dr A Zieren GmbH and KG
Original Assignee
Chemiebau Dr A Zieren GmbH and KG
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 Chemiebau Dr A Zieren GmbH and KGfiledCriticalChemiebau Dr A Zieren GmbH and KG
Priority to ES233793ApriorityCriticalpatent/ES233793A1/en
Publication of ES233793A1publicationCriticalpatent/ES233793A1/en
Physical Or Chemical Processes And Apparatus
(AREA)
Abstract
Process for roasting natural sulfides arranged in a swirling layer, characterized in that either return gas or another analogously compound gas is projected in a markedly delimited jet and vertically from top to bottom on the surface of the swirling sulphide layer. (Machine-translation by Google Translate, not legally binding)
ES233793A1957-02-211957-02-21Procedure to toast natural sulfurs (Machine-translation by Google Translate, not legally binding)
ExpiredES233793A1
(en)