Method for producing calcium compounds containing water of crystallization
The invention relates to the production of calcium compounds containing water of crystallization by means of a chemical reaction between an aqueous alkaline sodium aluminate solution and solid or dissolved or suspended calcium (hydr)-oxide in the presence of carbon dioxide or carbonate; and to the u...
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| creator | LEHMKUHL JOSEF BINGS HUBERT FENDEL ANSGAR |
| description | The invention relates to the production of calcium compounds containing water of crystallization by means of a chemical reaction between an aqueous alkaline sodium aluminate solution and solid or dissolved or suspended calcium (hydr)-oxide in the presence of carbon dioxide or carbonate; and to the use of these compounds. The resulting precipitate is separated by sedimentation, dehydration, drying and/or clacination and/or grinding or suspending the resulting filter cake and reacted with at least one mineral acid and/or at least one salt of the same. The resulting precipitate, which contains water of crystallization, is separated by sedimentation, dehydration, drying and/or grinding.The resulting compounds can be used as fillers or as extra white pigments for producing and surface-treating paper, cardboard or card, for producing paints and lacquers, as a flame-retardant filler for fire-protecting construction materials and as a filler for producing plasterboards or building slabs or as a hydraulically active additive for producing expansive cements, expansive plasters and screeds and as a swelling component for explosion-protected explosives. |
| format | Patent |
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The resulting precipitate is separated by sedimentation, dehydration, drying and/or clacination and/or grinding or suspending the resulting filter cake and reacted with at least one mineral acid and/or at least one salt of the same. The resulting precipitate, which contains water of crystallization, is separated by sedimentation, dehydration, drying and/or grinding.The resulting compounds can be used as fillers or as extra white pigments for producing and surface-treating paper, cardboard or card, for producing paints and lacquers, as a flame-retardant filler for fire-protecting construction materials and as a filler for producing plasterboards or building slabs or as a hydraulically active additive for producing expansive cements, expansive plasters and screeds and as a swelling component for explosion-protected explosives.</description><edition>7</edition><language>eng</language><subject>ADHESIVES ; CHEMISTRY ; COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS ; DYES ; IMPREGNATING OR COATING OF PAPER ; INORGANIC CHEMISTRY ; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; PAINTS ; PAPER NOT OTHERWISE PROVIDED FOR ; PAPER-MAKING ; POLISHES ; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D ; PRODUCTION OF CELLULOSE ; PULP COMPOSITIONS ; TEXTILES ; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G</subject><creationdate>2004</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=20041109&DB=EPODOC&CC=US&NR=6814947B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20041109&DB=EPODOC&CC=US&NR=6814947B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LEHMKUHL JOSEF</creatorcontrib><creatorcontrib>BINGS HUBERT</creatorcontrib><creatorcontrib>FENDEL ANSGAR</creatorcontrib><title>Method for producing calcium compounds containing water of crystallization</title><description>The invention relates to the production of calcium compounds containing water of crystallization by means of a chemical reaction between an aqueous alkaline sodium aluminate solution and solid or dissolved or suspended calcium (hydr)-oxide in the presence of carbon dioxide or carbonate; and to the use of these compounds. The resulting precipitate is separated by sedimentation, dehydration, drying and/or clacination and/or grinding or suspending the resulting filter cake and reacted with at least one mineral acid and/or at least one salt of the same. The resulting precipitate, which contains water of crystallization, is separated by sedimentation, dehydration, drying and/or grinding.The resulting compounds can be used as fillers or as extra white pigments for producing and surface-treating paper, cardboard or card, for producing paints and lacquers, as a flame-retardant filler for fire-protecting construction materials and as a filler for producing plasterboards or building slabs or as a hydraulically active additive for producing expansive cements, expansive plasters and screeds and as a swelling component for explosion-protected explosives.</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>DYES</subject><subject>IMPREGNATING OR COATING OF PAPER</subject><subject>INORGANIC CHEMISTRY</subject><subject>MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>NATURAL RESINS</subject><subject>PAINTS</subject><subject>PAPER NOT OTHERWISE PROVIDED FOR</subject><subject>PAPER-MAKING</subject><subject>POLISHES</subject><subject>PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D</subject><subject>PRODUCTION OF CELLULOSE</subject><subject>PULP COMPOSITIONS</subject><subject>TEXTILES</subject><subject>TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2004</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPDyTS3JyE9RSMsvUigoyk8pTc7MS1dITsxJzizNVUjOzy3IL81LKQay8koSM_NAkuWJJalFCvlpCslFlcUliTk5mVWJJZn5eTwMrGmJOcWpvFCam0HBzTXE2UM3tSA_PrW4IDE5NS-1JD402MzC0MTSxNzJ0JgIJQAbOjXG</recordid><startdate>20041109</startdate><enddate>20041109</enddate><creator>LEHMKUHL JOSEF</creator><creator>BINGS HUBERT</creator><creator>FENDEL ANSGAR</creator><scope>EVB</scope></search><sort><creationdate>20041109</creationdate><title>Method for producing calcium compounds containing water of crystallization</title><author>LEHMKUHL JOSEF ; BINGS HUBERT ; FENDEL ANSGAR</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US6814947B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2004</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>DYES</topic><topic>IMPREGNATING OR COATING OF PAPER</topic><topic>INORGANIC CHEMISTRY</topic><topic>MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>NATURAL RESINS</topic><topic>PAINTS</topic><topic>PAPER NOT OTHERWISE PROVIDED FOR</topic><topic>PAPER-MAKING</topic><topic>POLISHES</topic><topic>PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D</topic><topic>PRODUCTION OF CELLULOSE</topic><topic>PULP COMPOSITIONS</topic><topic>TEXTILES</topic><topic>TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G</topic><toplevel>online_resources</toplevel><creatorcontrib>LEHMKUHL JOSEF</creatorcontrib><creatorcontrib>BINGS HUBERT</creatorcontrib><creatorcontrib>FENDEL ANSGAR</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LEHMKUHL JOSEF</au><au>BINGS HUBERT</au><au>FENDEL ANSGAR</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for producing calcium compounds containing water of crystallization</title><date>2004-11-09</date><risdate>2004</risdate><abstract>The invention relates to the production of calcium compounds containing water of crystallization by means of a chemical reaction between an aqueous alkaline sodium aluminate solution and solid or dissolved or suspended calcium (hydr)-oxide in the presence of carbon dioxide or carbonate; and to the use of these compounds. The resulting precipitate is separated by sedimentation, dehydration, drying and/or clacination and/or grinding or suspending the resulting filter cake and reacted with at least one mineral acid and/or at least one salt of the same. The resulting precipitate, which contains water of crystallization, is separated by sedimentation, dehydration, drying and/or grinding.The resulting compounds can be used as fillers or as extra white pigments for producing and surface-treating paper, cardboard or card, for producing paints and lacquers, as a flame-retardant filler for fire-protecting construction materials and as a filler for producing plasterboards or building slabs or as a hydraulically active additive for producing expansive cements, expansive plasters and screeds and as a swelling component for explosion-protected explosives.</abstract><edition>7</edition><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 DYES IMPREGNATING OR COATING OF PAPER INORGANIC CHEMISTRY MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING POLISHES PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G |
| title | Method for producing calcium compounds containing water of crystallization |
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