Method for removing phosphorus in water by aid of aluminum salt modified discarded cement blocks
The invention discloses a method for removing phosphorus in water by the aid of aluminum salt modified discarded cement blocks. A process for preparing the aluminum salt modified discarded cement blocks includes mixing aluminum salt solution and sodium hydroxide solution with each other at the norma...
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| creator | YU JIANGHUA ZHANG HONGSHENG CAI YU TAO BINGCHEN YUAN HEZHONG GONG CHAO PU YUEYAO WU XIAO |
| description | The invention discloses a method for removing phosphorus in water by the aid of aluminum salt modified discarded cement blocks. A process for preparing the aluminum salt modified discarded cement blocks includes mixing aluminum salt solution and sodium hydroxide solution with each other at the normal temperature; adding pretreated cement blocks into mixed liquid at the solid-to-liquid ratio of 1:3; mixing the cement blocks and the mixed liquid with one another by the aid of constant-temperature oscillators at the normal temperature; taking mixtures out of the constant-temperature oscillators;placing the mixtures into drying ovens, drying the mixtures and then firing the mixtures by the aid of muffle furnaces; taking modified cement blocks out of the muffle furnaces after the mixtures arefired; washing the modified cement blocks by the aid of distilled water and then drying and collecting the modified cement blocks. The method has the advantages that the discarded cement blocks can bereused by the aid of the m |
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A process for preparing the aluminum salt modified discarded cement blocks includes mixing aluminum salt solution and sodium hydroxide solution with each other at the normal temperature; adding pretreated cement blocks into mixed liquid at the solid-to-liquid ratio of 1:3; mixing the cement blocks and the mixed liquid with one another by the aid of constant-temperature oscillators at the normal temperature; taking mixtures out of the constant-temperature oscillators;placing the mixtures into drying ovens, drying the mixtures and then firing the mixtures by the aid of muffle furnaces; taking modified cement blocks out of the muffle furnaces after the mixtures arefired; washing the modified cement blocks by the aid of distilled water and then drying and collecting the modified cement blocks. 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A process for preparing the aluminum salt modified discarded cement blocks includes mixing aluminum salt solution and sodium hydroxide solution with each other at the normal temperature; adding pretreated cement blocks into mixed liquid at the solid-to-liquid ratio of 1:3; mixing the cement blocks and the mixed liquid with one another by the aid of constant-temperature oscillators at the normal temperature; taking mixtures out of the constant-temperature oscillators;placing the mixtures into drying ovens, drying the mixtures and then firing the mixtures by the aid of muffle furnaces; taking modified cement blocks out of the muffle furnaces after the mixtures arefired; washing the modified cement blocks by the aid of distilled water and then drying and collecting the modified cement blocks. The method has the advantages that the discarded cement blocks can bereused by the aid of the m</description><subject>CHEMISTRY</subject><subject>METALLURGY</subject><subject>TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNijEOwjAMALswIOAP5gFIFAboiCoQC0zsxU0capHEVZyC-D0deADD6W64aXG_UO7EgpMEiYK8OD6g70RH0qDAEd6YKUH7AWQL4gD9EDgOARR9hiCWHZMFy2ow2bEMBYoZWi_mqfNi4tArLX6eFcvT8VafV9RLQ9qjoUi5qa_ler-vNmW1O2z_eb7CXz1d</recordid><startdate>20181127</startdate><enddate>20181127</enddate><creator>YU JIANGHUA</creator><creator>ZHANG HONGSHENG</creator><creator>CAI YU</creator><creator>TAO BINGCHEN</creator><creator>YUAN HEZHONG</creator><creator>GONG CHAO</creator><creator>PU YUEYAO</creator><creator>WU XIAO</creator><scope>EVB</scope></search><sort><creationdate>20181127</creationdate><title>Method for removing phosphorus in water by aid of aluminum salt modified discarded cement blocks</title><author>YU JIANGHUA ; ZHANG HONGSHENG ; CAI YU ; TAO BINGCHEN ; YUAN HEZHONG ; GONG CHAO ; PU YUEYAO ; WU XIAO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN108892197A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2018</creationdate><topic>CHEMISTRY</topic><topic>METALLURGY</topic><topic>TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE</topic><toplevel>online_resources</toplevel><creatorcontrib>YU JIANGHUA</creatorcontrib><creatorcontrib>ZHANG HONGSHENG</creatorcontrib><creatorcontrib>CAI YU</creatorcontrib><creatorcontrib>TAO BINGCHEN</creatorcontrib><creatorcontrib>YUAN HEZHONG</creatorcontrib><creatorcontrib>GONG CHAO</creatorcontrib><creatorcontrib>PU YUEYAO</creatorcontrib><creatorcontrib>WU XIAO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YU JIANGHUA</au><au>ZHANG HONGSHENG</au><au>CAI YU</au><au>TAO BINGCHEN</au><au>YUAN HEZHONG</au><au>GONG CHAO</au><au>PU YUEYAO</au><au>WU XIAO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for removing phosphorus in water by aid of aluminum salt modified discarded cement blocks</title><date>2018-11-27</date><risdate>2018</risdate><abstract>The invention discloses a method for removing phosphorus in water by the aid of aluminum salt modified discarded cement blocks. A process for preparing the aluminum salt modified discarded cement blocks includes mixing aluminum salt solution and sodium hydroxide solution with each other at the normal temperature; adding pretreated cement blocks into mixed liquid at the solid-to-liquid ratio of 1:3; mixing the cement blocks and the mixed liquid with one another by the aid of constant-temperature oscillators at the normal temperature; taking mixtures out of the constant-temperature oscillators;placing the mixtures into drying ovens, drying the mixtures and then firing the mixtures by the aid of muffle furnaces; taking modified cement blocks out of the muffle furnaces after the mixtures arefired; washing the modified cement blocks by the aid of distilled water and then drying and collecting the modified cement blocks. The method has the advantages that the discarded cement blocks can bereused by the aid of the m</abstract><oa>free_for_read</oa></addata></record> |
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| title | Method for removing phosphorus in water by aid of aluminum salt modified discarded cement blocks |
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