Method for producing active magnesium oxide from spice waste residues
The invention discloses a method for producing active magnesium oxide from spice waste residues, wherein the method comprises the steps: adding water into basic magnesium chloride waste residues generated from spices to distill out a solvent, carrying out filter pressing to obtain magnesium chloride...
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| creator | SHI JIAN LI RENCHANG SHEN JIUDONG GENG QINGBAO |
| description | The invention discloses a method for producing active magnesium oxide from spice waste residues, wherein the method comprises the steps: adding water into basic magnesium chloride waste residues generated from spices to distill out a solvent, carrying out filter pressing to obtain magnesium chloride mother liquor, adding hydrogen peroxide into the mother liquor to fade, adding ammonium bicarbonateand ammonia water to precipitate basic magnesium carbonate, washing, drying and calcining to obtain the active magnesium oxide, wherein the citric acid value is 8.0-18.0 s, and the magnesium oxide content is greater than or equal to 97.5%. According to the invention, the spice basic magnesium chloride waste residues are used as a raw material, and an ammonium bicarbonate carbonization method is used for producing active magnesium oxide, so that the problem of recycling magnesium resources is solved, the economy is created, the ecological environment problem that the waste residues pollute soil and surface water is av |
| format | Patent |
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According to the invention, the spice basic magnesium chloride waste residues are used as a raw material, and an ammonium bicarbonate carbonization method is used for producing active magnesium oxide, so that the problem of recycling magnesium resources is solved, the economy is created, the ecological environment problem that the waste residues pollute soil and surface water is av</description><language>chi ; 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>2021</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=20210326&DB=EPODOC&CC=CN&NR=112551561A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210326&DB=EPODOC&CC=CN&NR=112551561A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHI JIAN</creatorcontrib><creatorcontrib>LI RENCHANG</creatorcontrib><creatorcontrib>SHEN JIUDONG</creatorcontrib><creatorcontrib>GENG QINGBAO</creatorcontrib><title>Method for producing active magnesium oxide from spice waste residues</title><description>The invention discloses a method for producing active magnesium oxide from spice waste residues, wherein the method comprises the steps: adding water into basic magnesium chloride waste residues generated from spices to distill out a solvent, carrying out filter pressing to obtain magnesium chloride mother liquor, adding hydrogen peroxide into the mother liquor to fade, adding ammonium bicarbonateand ammonia water to precipitate basic magnesium carbonate, washing, drying and calcining to obtain the active magnesium oxide, wherein the citric acid value is 8.0-18.0 s, and the magnesium oxide content is greater than or equal to 97.5%. According to the invention, the spice basic magnesium chloride waste residues are used as a raw material, and an ammonium bicarbonate carbonization method is used for producing active magnesium oxide, so that the problem of recycling magnesium resources is solved, the economy is created, the ecological environment problem that the waste residues pollute soil and surface water is av</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>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyjEOAiEQRuFtLIx6h_EAFmiwN5s1NlrZbwj8rCQLQxhQj6-FB7B6xfeW3XBFfbAjz4VyYddsSBMZW8MTFM2UIKFF4ndwIF84kuRgQS8jFVS-6hpk3S28mQWbX1fd9jzc-8sOmUdINhYJdexvSu21VvqoTod_ng8JKTNg</recordid><startdate>20210326</startdate><enddate>20210326</enddate><creator>SHI JIAN</creator><creator>LI RENCHANG</creator><creator>SHEN JIUDONG</creator><creator>GENG QINGBAO</creator><scope>EVB</scope></search><sort><creationdate>20210326</creationdate><title>Method for producing active magnesium oxide from spice waste residues</title><author>SHI JIAN ; LI RENCHANG ; SHEN JIUDONG ; GENG QINGBAO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN112551561A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2021</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>SHI JIAN</creatorcontrib><creatorcontrib>LI RENCHANG</creatorcontrib><creatorcontrib>SHEN JIUDONG</creatorcontrib><creatorcontrib>GENG QINGBAO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SHI JIAN</au><au>LI RENCHANG</au><au>SHEN JIUDONG</au><au>GENG QINGBAO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for producing active magnesium oxide from spice waste residues</title><date>2021-03-26</date><risdate>2021</risdate><abstract>The invention discloses a method for producing active magnesium oxide from spice waste residues, wherein the method comprises the steps: adding water into basic magnesium chloride waste residues generated from spices to distill out a solvent, carrying out filter pressing to obtain magnesium chloride mother liquor, adding hydrogen peroxide into the mother liquor to fade, adding ammonium bicarbonateand ammonia water to precipitate basic magnesium carbonate, washing, drying and calcining to obtain the active magnesium oxide, wherein the citric acid value is 8.0-18.0 s, and the magnesium oxide content is greater than or equal to 97.5%. According to the invention, the spice basic magnesium chloride waste residues are used as a raw material, and an ammonium bicarbonate carbonization method is used for producing active magnesium oxide, so that the problem of recycling magnesium resources is solved, the economy is created, the ecological environment problem that the waste residues pollute soil and surface water is av</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 | Method for producing active magnesium oxide from spice waste residues |
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