DE3922508
Method of producing amorphous silicic acid and acid solutions of Al salts consists of decomposing the glassy residue of fossel fuel reactors, pref. melt chamber granulate with hot mineral acids. After stirring, the undissolved residue is sepd. washed and dried to be recovered as silicic acid. The ac...
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| creator | HUELLER, ROLF. DR., 8712 VOLKACH, DE HANTSCHEL, PETER-MIN., 3446 MEINHARD, DE |
| description | Method of producing amorphous silicic acid and acid solutions of Al salts consists of decomposing the glassy residue of fossel fuel reactors, pref. melt chamber granulate with hot mineral acids. After stirring, the undissolved residue is sepd. washed and dried to be recovered as silicic acid. The acid solns. is treated to recover the aluminium components. The hot acid is pref. 10-37% HCl or H2SO4 and it is used at between 50 deg.C and its boiling point. The acid solution is cooled and/or neutralised and/or alkali adjusted to bring about precipitation of some materials which together with the remaining soln. are further worked. USE/ADVANTAGE - To recover amorphous silicic acid and aluminium hydroxide and alkali aluminates in technically usable quality. The silicic acid is a starting material for producing synthetic zeolite, filler material and at support for catalsyt. |
| format | Patent |
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DR., 8712 VOLKACH, DE ; HANTSCHEL, PETER-MIN., 3446 MEINHARD, DE</creatorcontrib><description>Method of producing amorphous silicic acid and acid solutions of Al salts consists of decomposing the glassy residue of fossel fuel reactors, pref. melt chamber granulate with hot mineral acids. After stirring, the undissolved residue is sepd. washed and dried to be recovered as silicic acid. The acid solns. is treated to recover the aluminium components. The hot acid is pref. 10-37% HCl or H2SO4 and it is used at between 50 deg.C and its boiling point. The acid solution is cooled and/or neutralised and/or alkali adjusted to bring about precipitation of some materials which together with the remaining soln. are further worked. USE/ADVANTAGE - To recover amorphous silicic acid and aluminium hydroxide and alkali aluminates in technically usable quality. The silicic acid is a starting material for producing synthetic zeolite, filler material and at support for catalsyt.</description><language>eng</language><subject>ADHESIVES ; CHEMISTRY ; COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS ; COMPOUNDS THEREOF ; DYES ; INORGANIC CHEMISTRY ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; NON-METALLIC ELEMENTS ; PAINTS ; POLISHES ; PREPARATION OF CARBON BLACK ; TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES</subject><creationdate>1992</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=19921105&DB=EPODOC&CC=DE&NR=3922508C2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19921105&DB=EPODOC&CC=DE&NR=3922508C2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HUELLER, ROLF. DR., 8712 VOLKACH, DE</creatorcontrib><creatorcontrib>HANTSCHEL, PETER-MIN., 3446 MEINHARD, DE</creatorcontrib><title>DE3922508</title><description>Method of producing amorphous silicic acid and acid solutions of Al salts consists of decomposing the glassy residue of fossel fuel reactors, pref. melt chamber granulate with hot mineral acids. After stirring, the undissolved residue is sepd. washed and dried to be recovered as silicic acid. The acid solns. is treated to recover the aluminium components. The hot acid is pref. 10-37% HCl or H2SO4 and it is used at between 50 deg.C and its boiling point. The acid solution is cooled and/or neutralised and/or alkali adjusted to bring about precipitation of some materials which together with the remaining soln. are further worked. USE/ADVANTAGE - To recover amorphous silicic acid and aluminium hydroxide and alkali aluminates in technically usable quality. The silicic acid is a starting material for producing synthetic zeolite, filler material and at support for catalsyt.</description><subject>ADHESIVES</subject><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>DYES</subject><subject>INORGANIC CHEMISTRY</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>NATURAL RESINS</subject><subject>NON-METALLIC ELEMENTS</subject><subject>PAINTS</subject><subject>POLISHES</subject><subject>PREPARATION OF CARBON BLACK</subject><subject>TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1992</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOB0cTW2NDIyNbDgYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxcPXORsZEKAEAzb4adg</recordid><startdate>19921105</startdate><enddate>19921105</enddate><creator>HUELLER, ROLF. 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DR., 8712 VOLKACH, DE ; HANTSCHEL, PETER-MIN., 3446 MEINHARD, DE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_DE3922508C23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1992</creationdate><topic>ADHESIVES</topic><topic>CHEMISTRY</topic><topic>COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS</topic><topic>COMPOUNDS THEREOF</topic><topic>DYES</topic><topic>INORGANIC CHEMISTRY</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>NATURAL RESINS</topic><topic>NON-METALLIC ELEMENTS</topic><topic>PAINTS</topic><topic>POLISHES</topic><topic>PREPARATION OF CARBON BLACK</topic><topic>TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES</topic><toplevel>online_resources</toplevel><creatorcontrib>HUELLER, ROLF. DR., 8712 VOLKACH, DE</creatorcontrib><creatorcontrib>HANTSCHEL, PETER-MIN., 3446 MEINHARD, DE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HUELLER, ROLF. DR., 8712 VOLKACH, DE</au><au>HANTSCHEL, PETER-MIN., 3446 MEINHARD, DE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>DE3922508</title><date>1992-11-05</date><risdate>1992</risdate><abstract>Method of producing amorphous silicic acid and acid solutions of Al salts consists of decomposing the glassy residue of fossel fuel reactors, pref. melt chamber granulate with hot mineral acids. After stirring, the undissolved residue is sepd. washed and dried to be recovered as silicic acid. The acid solns. is treated to recover the aluminium components. The hot acid is pref. 10-37% HCl or H2SO4 and it is used at between 50 deg.C and its boiling point. The acid solution is cooled and/or neutralised and/or alkali adjusted to bring about precipitation of some materials which together with the remaining soln. are further worked. USE/ADVANTAGE - To recover amorphous silicic acid and aluminium hydroxide and alkali aluminates in technically usable quality. The silicic acid is a starting material for producing synthetic zeolite, filler material and at support for catalsyt.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMISTRY COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS COMPOUNDS THEREOF DYES INORGANIC CHEMISTRY METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-METALLIC ELEMENTS PAINTS POLISHES PREPARATION OF CARBON BLACK TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES |
| title | DE3922508 |
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