{"title":"用铜渣湿法合成多孔二氧化硅","authors":"Hagiri Masahide, Kuniya Ryosuke, Uchida Shuji","doi":"10.4144/RPSJ.61.195","DOIUrl":null,"url":null,"abstract":"Copper slags obtained during smelting and refining of copper is now stored worldwide in large quantities. Here, we studied the synthesis of silica material from the extract of copper smelting slag, considering its chemical recycling. When the copper slag was extracted with an acidic solution, iron and silica were eluted. Accordingly, silica hydrogel was formed due to gradual aggregation of silica colloids. The dried silica hydrogel exhibited a high specific surface area and hygroscopicity favorable for application as adsorbents.","PeriodicalId":20971,"journal":{"name":"Resources Processing","volume":"104 2 1","pages":"195-197"},"PeriodicalIF":0.0000,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Wet Chemical Synthesis of Porous Silica from Copper Slag\",\"authors\":\"Hagiri Masahide, Kuniya Ryosuke, Uchida Shuji\",\"doi\":\"10.4144/RPSJ.61.195\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Copper slags obtained during smelting and refining of copper is now stored worldwide in large quantities. Here, we studied the synthesis of silica material from the extract of copper smelting slag, considering its chemical recycling. When the copper slag was extracted with an acidic solution, iron and silica were eluted. Accordingly, silica hydrogel was formed due to gradual aggregation of silica colloids. The dried silica hydrogel exhibited a high specific surface area and hygroscopicity favorable for application as adsorbents.\",\"PeriodicalId\":20971,\"journal\":{\"name\":\"Resources Processing\",\"volume\":\"104 2 1\",\"pages\":\"195-197\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2014-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Resources Processing\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.4144/RPSJ.61.195\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Resources Processing","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.4144/RPSJ.61.195","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Wet Chemical Synthesis of Porous Silica from Copper Slag
Copper slags obtained during smelting and refining of copper is now stored worldwide in large quantities. Here, we studied the synthesis of silica material from the extract of copper smelting slag, considering its chemical recycling. When the copper slag was extracted with an acidic solution, iron and silica were eluted. Accordingly, silica hydrogel was formed due to gradual aggregation of silica colloids. The dried silica hydrogel exhibited a high specific surface area and hygroscopicity favorable for application as adsorbents.
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