FILTRATION OF WATER-GYPSUM SLURRY
PURPOSE:To obtain a gypsum having low attached water content, by adding a specific surfactant to a water-gypsum slurry and filtering the slurry with a vacuum filter. CONSTITUTION:A nonionic surfactant is added to a water-gypsum slurry before filtering the slurry with a vacuum filter. The nonionic su...
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creator | AMANO SHOZO OOKOBA AKIRA KAMATA KAZUYOSHI YONEDA NORIYUKI |
description | PURPOSE:To obtain a gypsum having low attached water content, by adding a specific surfactant to a water-gypsum slurry and filtering the slurry with a vacuum filter. CONSTITUTION:A nonionic surfactant is added to a water-gypsum slurry before filtering the slurry with a vacuum filter. The nonionic surfactant is preferably polyethylene nonylphenyl ether or polyoxyalkyl allyl ether. The amount of the nonionic surfactant is preferably 50-1,000ppm based on the gypsum in the water-gypsum slurry. |
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CONSTITUTION:A nonionic surfactant is added to a water-gypsum slurry before filtering the slurry with a vacuum filter. The nonionic surfactant is preferably polyethylene nonylphenyl ether or polyoxyalkyl allyl ether. The amount of the nonionic surfactant is preferably 50-1,000ppm based on the gypsum in the water-gypsum slurry.</description><language>eng</language><subject>CHEMISTRY ; COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS ; INORGANIC CHEMISTRY ; METALLURGY</subject><creationdate>1988</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=19880216&DB=EPODOC&CC=JP&NR=S6335417A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19880216&DB=EPODOC&CC=JP&NR=S6335417A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>AMANO SHOZO</creatorcontrib><creatorcontrib>OOKOBA AKIRA</creatorcontrib><creatorcontrib>KAMATA KAZUYOSHI</creatorcontrib><creatorcontrib>YONEDA NORIYUKI</creatorcontrib><title>FILTRATION OF WATER-GYPSUM SLURRY</title><description>PURPOSE:To obtain a gypsum having low attached water content, by adding a specific surfactant to a water-gypsum slurry and filtering the slurry with a vacuum filter. CONSTITUTION:A nonionic surfactant is added to a water-gypsum slurry before filtering the slurry with a vacuum filter. The nonionic surfactant is preferably polyethylene nonylphenyl ether or polyoxyalkyl allyl ether. The amount of the nonionic surfactant is preferably 50-1,000ppm based on the gypsum in the water-gypsum slurry.</description><subject>CHEMISTRY</subject><subject>COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS</subject><subject>INORGANIC CHEMISTRY</subject><subject>METALLURGY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1988</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFB08_QJCXIM8fT3U_B3Uwh3DHEN0nWPDAgO9VUI9gkNCorkYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxXgHBZsbGpiaG5o7GRCgBAP7SIm8</recordid><startdate>19880216</startdate><enddate>19880216</enddate><creator>AMANO SHOZO</creator><creator>OOKOBA AKIRA</creator><creator>KAMATA KAZUYOSHI</creator><creator>YONEDA NORIYUKI</creator><scope>EVB</scope></search><sort><creationdate>19880216</creationdate><title>FILTRATION OF WATER-GYPSUM SLURRY</title><author>AMANO SHOZO ; OOKOBA AKIRA ; KAMATA KAZUYOSHI ; YONEDA NORIYUKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS6335417A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1988</creationdate><topic>CHEMISTRY</topic><topic>COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS</topic><topic>INORGANIC CHEMISTRY</topic><topic>METALLURGY</topic><toplevel>online_resources</toplevel><creatorcontrib>AMANO SHOZO</creatorcontrib><creatorcontrib>OOKOBA AKIRA</creatorcontrib><creatorcontrib>KAMATA KAZUYOSHI</creatorcontrib><creatorcontrib>YONEDA NORIYUKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>AMANO SHOZO</au><au>OOKOBA AKIRA</au><au>KAMATA KAZUYOSHI</au><au>YONEDA NORIYUKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>FILTRATION OF WATER-GYPSUM SLURRY</title><date>1988-02-16</date><risdate>1988</risdate><abstract>PURPOSE:To obtain a gypsum having low attached water content, by adding a specific surfactant to a water-gypsum slurry and filtering the slurry with a vacuum filter. CONSTITUTION:A nonionic surfactant is added to a water-gypsum slurry before filtering the slurry with a vacuum filter. The nonionic surfactant is preferably polyethylene nonylphenyl ether or polyoxyalkyl allyl ether. The amount of the nonionic surfactant is preferably 50-1,000ppm based on the gypsum in the water-gypsum slurry.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | CHEMISTRY COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS INORGANIC CHEMISTRY METALLURGY |
title | FILTRATION OF WATER-GYPSUM SLURRY |
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