Method for preparing high-strengthalpha-semihydratetitanium gypsum with industrial wastedihydratetitanium gypsum
The invention provides a method for preparing high-strengthalpha-semihydratetitanium gypsum with industrial wastedihydratetitanium gypsum. The method comprises the steps as follows: placing the industrial wastedihydratetitanium gypsum of titanium dioxideproduced with a sulfuric acid method in a dryi...
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creator | HAO TONGHUI ZHAO HUI DONG BINGHAI JIANG TAO ZHOU WEI JIN CHUN ZHANG QUNCHAO HUANG ZHENGGANG REN XIAOMING JIANG LILI ZHANG GANGSHEN MO JIAXIN |
description | The invention provides a method for preparing high-strengthalpha-semihydratetitanium gypsum with industrial wastedihydratetitanium gypsum. The method comprises the steps as follows: placing the industrial wastedihydratetitanium gypsum of titanium dioxideproduced with a sulfuric acid method in a drying oven to dry thedihydratetitanium gypsum to the constant weight, grinding the dihydratetitanium gypsum to be fine, and adding water to prepare the dihydratetitanium gypsum into slurry; adding a compound crystalloblastic agent to obtain a suspension liquid, adjusting the pH of the suspension liquid with an acid or an alkali, adding the suspension liquid into a reaction kettle, feeding an inert gas of certain pressure into thesuspension liquidwhile stirring, heating the reaction kettle to the temperature of 120-160 DEG C, and performing constant-temperature, constant-pressure and low-speed stirring to realize dehydration crystallization; turning on a vent valve to relieve the pressure to be within 0.1 MPa, continui |
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The method comprises the steps as follows: placing the industrial wastedihydratetitanium gypsum of titanium dioxideproduced with a sulfuric acid method in a drying oven to dry thedihydratetitanium gypsum to the constant weight, grinding the dihydratetitanium gypsum to be fine, and adding water to prepare the dihydratetitanium gypsum into slurry; adding a compound crystalloblastic agent to obtain a suspension liquid, adjusting the pH of the suspension liquid with an acid or an alkali, adding the suspension liquid into a reaction kettle, feeding an inert gas of certain pressure into thesuspension liquidwhile stirring, heating the reaction kettle to the temperature of 120-160 DEG C, and performing constant-temperature, constant-pressure and low-speed stirring to realize dehydration crystallization; turning on a vent valve to relieve the pressure to be within 0.1 MPa, continui</description><language>chi ; eng</language><subject>ARTIFICIAL STONE ; CEMENTS ; CERAMICS ; CHEMISTRY ; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS ; CONCRETE ; LIME, MAGNESIA ; METALLURGY ; REFRACTORIES ; SLAG ; TREATMENT OF NATURAL STONE</subject><creationdate>2014</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=20140806&DB=EPODOC&CC=CN&NR=103964716A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140806&DB=EPODOC&CC=CN&NR=103964716A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HAO TONGHUI</creatorcontrib><creatorcontrib>ZHAO HUI</creatorcontrib><creatorcontrib>DONG BINGHAI</creatorcontrib><creatorcontrib>JIANG TAO</creatorcontrib><creatorcontrib>ZHOU WEI</creatorcontrib><creatorcontrib>JIN CHUN</creatorcontrib><creatorcontrib>ZHANG QUNCHAO</creatorcontrib><creatorcontrib>HUANG ZHENGGANG</creatorcontrib><creatorcontrib>REN XIAOMING</creatorcontrib><creatorcontrib>JIANG LILI</creatorcontrib><creatorcontrib>ZHANG GANGSHEN</creatorcontrib><creatorcontrib>MO JIAXIN</creatorcontrib><title>Method for preparing high-strengthalpha-semihydratetitanium gypsum with industrial wastedihydratetitanium gypsum</title><description>The invention provides a method for preparing high-strengthalpha-semihydratetitanium gypsum with industrial wastedihydratetitanium gypsum. 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The method comprises the steps as follows: placing the industrial wastedihydratetitanium gypsum of titanium dioxideproduced with a sulfuric acid method in a drying oven to dry thedihydratetitanium gypsum to the constant weight, grinding the dihydratetitanium gypsum to be fine, and adding water to prepare the dihydratetitanium gypsum into slurry; adding a compound crystalloblastic agent to obtain a suspension liquid, adjusting the pH of the suspension liquid with an acid or an alkali, adding the suspension liquid into a reaction kettle, feeding an inert gas of certain pressure into thesuspension liquidwhile stirring, heating the reaction kettle to the temperature of 120-160 DEG C, and performing constant-temperature, constant-pressure and low-speed stirring to realize dehydration crystallization; turning on a vent valve to relieve the pressure to be within 0.1 MPa, continui</abstract><oa>free_for_read</oa></addata></record> |
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subjects | ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE |
title | Method for preparing high-strengthalpha-semihydratetitanium gypsum with industrial wastedihydratetitanium gypsum |
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