A PROCESS FOR THE PRODUCTION OF HYDROFLUORIC ACID AND ANHYDRITE
In a process for the preparation of hydrofluoric acid and anhydrite by reaction of fluorspar with sulphuric acid in several steps, the last step consists of heating in an indirectly heated rotary pipe and the energy necessary for heating is added to the pipe predominantly by radiation.
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| creator | JOHANN-PETER STOLLE HANS RINKES HANS-JOACHIM BECK GUSTAF KAULE |
| description | In a process for the preparation of hydrofluoric acid and anhydrite by reaction of fluorspar with sulphuric acid in several steps, the last step consists of heating in an indirectly heated rotary pipe and the energy necessary for heating is added to the pipe predominantly by radiation. |
| format | Patent |
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COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS ; COMPOUNDS THEREOF ; INORGANIC CHEMISTRY ; METALLURGY ; NON-METALLIC ELEMENTS</subject><creationdate>1989</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19890426&DB=EPODOC&CC=ZA&NR=885053B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19890426&DB=EPODOC&CC=ZA&NR=885053B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>JOHANN-PETER STOLLE</creatorcontrib><creatorcontrib>HANS RINKES</creatorcontrib><creatorcontrib>HANS-JOACHIM BECK</creatorcontrib><creatorcontrib>GUSTAF KAULE</creatorcontrib><title>A PROCESS FOR THE PRODUCTION OF HYDROFLUORIC ACID AND ANHYDRITE</title><description>In a process for the preparation of hydrofluoric acid and anhydrite by reaction of fluorspar with sulphuric acid in several steps, the last step consists of heating in an indirectly heated rotary pipe and the energy necessary for heating is added to the pipe predominantly by radiation.</description><subject>CHEMISTRY</subject><subject>COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS</subject><subject>COMPOUNDS THEREOF</subject><subject>INORGANIC CHEMISTRY</subject><subject>METALLURGY</subject><subject>NON-METALLIC ELEMENTS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1989</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLB3VAgI8nd2DQ5WcPMPUgjxcAXxXUKdQzz9_RT83RQ8Il2C_N18Qv2DPJ0VHJ09XRQc_UAYJO4Z4srDwJqWmFOcyguluRnk3FxDnD10Uwvy41OLCxKTU_NSS-KjHC0sTA1MjZ2MCSoAAHvEKRo</recordid><startdate>19890426</startdate><enddate>19890426</enddate><creator>JOHANN-PETER STOLLE</creator><creator>HANS RINKES</creator><creator>HANS-JOACHIM BECK</creator><creator>GUSTAF KAULE</creator><scope>EVB</scope></search><sort><creationdate>19890426</creationdate><title>A PROCESS FOR THE PRODUCTION OF HYDROFLUORIC ACID AND ANHYDRITE</title><author>JOHANN-PETER STOLLE ; 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| language | eng |
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| subjects | CHEMISTRY COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS |
| title | A PROCESS FOR THE PRODUCTION OF HYDROFLUORIC ACID AND ANHYDRITE |
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