MANUFACTURING METHOD FOR CEMENT WITH LOWERED CONTENTS OF CHROME
Vynález sa týka spôsobu výroby cementu so zníženým obsahom chrómu, pri ktorom sa do surovinovej zmesi ako železitá korekčná zložka použije 0,01 až 10 % hmotnostných mechanicky a/alebo tepelne upravených uhličitanov železa s následným vypálením surovinovej zmesi pri teplote od 1 400 do 1 500 °C, čím...
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| creator | STRIGAC JULIUS ORSAG ZDENO MARTAUZ PAVEL |
| description | Vynález sa týka spôsobu výroby cementu so zníženým obsahom chrómu, pri ktorom sa do surovinovej zmesi ako železitá korekčná zložka použije 0,01 až 10 % hmotnostných mechanicky a/alebo tepelne upravených uhličitanov železa s následným vypálením surovinovej zmesi pri teplote od 1 400 do 1 500 °C, čím sa dosiahne primárne zníženie obsahu CrVI v cemente na 0,5 až 20 ppm CrVI. Do takto pripraveného cementu sa počas mletia a/alebo po mletí pridajú chemicky upravené - aktivované uhličitany železa v množstve 0,01 až 1 % hmotnostné.ŕ
Present invention relates to the method of producing a cement with reduced content of chromium, where 0.01 to 10% by weight of mechanically and/or thermally treated iron carbonates are used as iron correction component for the raw meal, with its subsequent burning at the temperature from 1400 DEG C to 1500 DEG C, thus achieving primary reduction of Cr in cement between 0.5 and 20 ppm of Cr. Such prepared cement receives during and/or after grinding chemically treated - activated iron carbonates in amount of 0.01 to 1% by weight, thus achieving final reduction of Cr in cement less than 0,5 ppm. |
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Present invention relates to the method of producing a cement with reduced content of chromium, where 0.01 to 10% by weight of mechanically and/or thermally treated iron carbonates are used as iron correction component for the raw meal, with its subsequent burning at the temperature from 1400 DEG C to 1500 DEG C, thus achieving primary reduction of Cr in cement between 0.5 and 20 ppm of Cr. Such prepared cement receives during and/or after grinding chemically treated - activated iron carbonates in amount of 0.01 to 1% by weight, thus achieving final reduction of Cr in cement less than 0,5 ppm.</description><edition>7</edition><language>eng ; slo</language><subject>ARTIFICIAL STONE ; CEMENTS ; CERAMICS ; CHEMISTRY ; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS ; CONCRETE ; DISPOSAL OF SOLID WASTE ; LIME, MAGNESIA ; METALLURGY ; PERFORMING OPERATIONS ; RECLAMATION OF CONTAMINED SOIL SOIL ; REFRACTORIES ; SLAG ; TRANSPORTING ; TREATMENT OF NATURAL STONE</subject><creationdate>2001</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=20011008&DB=EPODOC&CC=SK&NR=282086B6$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20011008&DB=EPODOC&CC=SK&NR=282086B6$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>STRIGAC JULIUS</creatorcontrib><creatorcontrib>ORSAG ZDENO</creatorcontrib><creatorcontrib>MARTAUZ PAVEL</creatorcontrib><title>MANUFACTURING METHOD FOR CEMENT WITH LOWERED CONTENTS OF CHROME</title><description>Vynález sa týka spôsobu výroby cementu so zníženým obsahom chrómu, pri ktorom sa do surovinovej zmesi ako železitá korekčná zložka použije 0,01 až 10 % hmotnostných mechanicky a/alebo tepelne upravených uhličitanov železa s následným vypálením surovinovej zmesi pri teplote od 1 400 do 1 500 °C, čím sa dosiahne primárne zníženie obsahu CrVI v cemente na 0,5 až 20 ppm CrVI. Do takto pripraveného cementu sa počas mletia a/alebo po mletí pridajú chemicky upravené - aktivované uhličitany železa v množstve 0,01 až 1 % hmotnostné.ŕ
Present invention relates to the method of producing a cement with reduced content of chromium, where 0.01 to 10% by weight of mechanically and/or thermally treated iron carbonates are used as iron correction component for the raw meal, with its subsequent burning at the temperature from 1400 DEG C to 1500 DEG C, thus achieving primary reduction of Cr in cement between 0.5 and 20 ppm of Cr. Such prepared cement receives during and/or after grinding chemically treated - activated iron carbonates in amount of 0.01 to 1% by weight, thus achieving final reduction of Cr in cement less than 0,5 ppm.</description><subject>ARTIFICIAL STONE</subject><subject>CEMENTS</subject><subject>CERAMICS</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</subject><subject>CONCRETE</subject><subject>DISPOSAL OF SOLID WASTE</subject><subject>LIME, MAGNESIA</subject><subject>METALLURGY</subject><subject>PERFORMING OPERATIONS</subject><subject>RECLAMATION OF CONTAMINED SOIL SOIL</subject><subject>REFRACTORIES</subject><subject>SLAG</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF NATURAL STONE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2001</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLD3dfQLdXN0DgkN8vRzV_B1DfHwd1Fw8w9ScHb1dfULUQj3DPFQ8PEPdw1ydVFw9vcLAQoGK_i7KTh7BPn7uvIwsKYl5hSn8kJpbgYFN9cQZw_d1IL8-NTigsTk1LzUkvhgbyMLIwMLMycnM2MilAAAQSgqSw</recordid><startdate>20011008</startdate><enddate>20011008</enddate><creator>STRIGAC JULIUS</creator><creator>ORSAG ZDENO</creator><creator>MARTAUZ PAVEL</creator><scope>EVB</scope></search><sort><creationdate>20011008</creationdate><title>MANUFACTURING METHOD FOR CEMENT WITH LOWERED CONTENTS OF CHROME</title><author>STRIGAC JULIUS ; ORSAG ZDENO ; MARTAUZ PAVEL</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_SK282086BB63</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; slo</language><creationdate>2001</creationdate><topic>ARTIFICIAL STONE</topic><topic>CEMENTS</topic><topic>CERAMICS</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</topic><topic>CONCRETE</topic><topic>DISPOSAL OF SOLID WASTE</topic><topic>LIME, MAGNESIA</topic><topic>METALLURGY</topic><topic>PERFORMING OPERATIONS</topic><topic>RECLAMATION OF CONTAMINED SOIL SOIL</topic><topic>REFRACTORIES</topic><topic>SLAG</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF NATURAL STONE</topic><toplevel>online_resources</toplevel><creatorcontrib>STRIGAC JULIUS</creatorcontrib><creatorcontrib>ORSAG ZDENO</creatorcontrib><creatorcontrib>MARTAUZ PAVEL</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>STRIGAC JULIUS</au><au>ORSAG ZDENO</au><au>MARTAUZ PAVEL</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MANUFACTURING METHOD FOR CEMENT WITH LOWERED CONTENTS OF CHROME</title><date>2001-10-08</date><risdate>2001</risdate><abstract>Vynález sa týka spôsobu výroby cementu so zníženým obsahom chrómu, pri ktorom sa do surovinovej zmesi ako železitá korekčná zložka použije 0,01 až 10 % hmotnostných mechanicky a/alebo tepelne upravených uhličitanov železa s následným vypálením surovinovej zmesi pri teplote od 1 400 do 1 500 °C, čím sa dosiahne primárne zníženie obsahu CrVI v cemente na 0,5 až 20 ppm CrVI. Do takto pripraveného cementu sa počas mletia a/alebo po mletí pridajú chemicky upravené - aktivované uhličitany železa v množstve 0,01 až 1 % hmotnostné.ŕ
Present invention relates to the method of producing a cement with reduced content of chromium, where 0.01 to 10% by weight of mechanically and/or thermally treated iron carbonates are used as iron correction component for the raw meal, with its subsequent burning at the temperature from 1400 DEG C to 1500 DEG C, thus achieving primary reduction of Cr in cement between 0.5 and 20 ppm of Cr. Such prepared cement receives during and/or after grinding chemically treated - activated iron carbonates in amount of 0.01 to 1% by weight, thus achieving final reduction of Cr in cement less than 0,5 ppm.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; slo |
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| subjects | ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DISPOSAL OF SOLID WASTE LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS RECLAMATION OF CONTAMINED SOIL SOIL REFRACTORIES SLAG TRANSPORTING TREATMENT OF NATURAL STONE |
| title | MANUFACTURING METHOD FOR CEMENT WITH LOWERED CONTENTS OF CHROME |
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