CN104555962A - 一种提高高杂质浓缩磷酸脱氟率的方法 - Google Patents
一种提高高杂质浓缩磷酸脱氟率的方法 Download PDFInfo
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- CN104555962A CN104555962A CN201510002413.8A CN201510002413A CN104555962A CN 104555962 A CN104555962 A CN 104555962A CN 201510002413 A CN201510002413 A CN 201510002413A CN 104555962 A CN104555962 A CN 104555962A
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- phosphoric acid
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109052354A (zh) * | 2018-10-11 | 2018-12-21 | 中国五环工程有限公司 | 湿法浓缩磷酸脱氟生产工艺 |
Citations (7)
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US3743725A (en) * | 1971-11-04 | 1973-07-03 | Atlantic Richfield Co | Process for the recovery in useful form of fluorine values from phosphate rock while producing phosphoric acid |
US4178347A (en) * | 1978-05-17 | 1979-12-11 | Olin Corporation | Process for the simultaneous production of wet process phosphoric acid and sodium silicofluoride |
CN1769163A (zh) * | 2005-09-19 | 2006-05-10 | 绵阳高新区精微新材料有限公司 | 用湿法稀磷酸制备工业级磷酸、食品级磷酸和磷酸盐的方法 |
CN101602498A (zh) * | 2008-06-10 | 2009-12-16 | 云南新龙矿物质饲料有限公司 | 一种湿法磷酸净化处理方法 |
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CN102389863A (zh) * | 2011-09-30 | 2012-03-28 | 昆明川金诺化工股份有限公司 | 一种以H2SiF6作为辅助浮选调整剂的低品位磷矿浮选方法 |
CN103738967A (zh) * | 2013-11-26 | 2014-04-23 | 瓮福(集团)有限责任公司 | 一种含氟酸性废水生产氟硅酸钠的方法 |
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- 2015-01-05 CN CN201510002413.8A patent/CN104555962B/zh active Active
Patent Citations (7)
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US3743725A (en) * | 1971-11-04 | 1973-07-03 | Atlantic Richfield Co | Process for the recovery in useful form of fluorine values from phosphate rock while producing phosphoric acid |
US4178347A (en) * | 1978-05-17 | 1979-12-11 | Olin Corporation | Process for the simultaneous production of wet process phosphoric acid and sodium silicofluoride |
CN1769163A (zh) * | 2005-09-19 | 2006-05-10 | 绵阳高新区精微新材料有限公司 | 用湿法稀磷酸制备工业级磷酸、食品级磷酸和磷酸盐的方法 |
CN101602498A (zh) * | 2008-06-10 | 2009-12-16 | 云南新龙矿物质饲料有限公司 | 一种湿法磷酸净化处理方法 |
CN102153091A (zh) * | 2011-04-21 | 2011-08-17 | 山东聊城鲁西化工第四化肥有限公司 | 一种氟硅酸钠生产方法 |
CN102389863A (zh) * | 2011-09-30 | 2012-03-28 | 昆明川金诺化工股份有限公司 | 一种以H2SiF6作为辅助浮选调整剂的低品位磷矿浮选方法 |
CN103738967A (zh) * | 2013-11-26 | 2014-04-23 | 瓮福(集团)有限责任公司 | 一种含氟酸性废水生产氟硅酸钠的方法 |
Non-Patent Citations (2)
Title |
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俞政一: "萃取磷酸生产中磷氟化合物的性质分析", 《硫磷设计与粉体工程》 * |
石书敬等: "磷精矿湿法制磷酸及脱氟工艺研究", 《化工矿物与加工》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109052354A (zh) * | 2018-10-11 | 2018-12-21 | 中国五环工程有限公司 | 湿法浓缩磷酸脱氟生产工艺 |
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Address after: 650114 peach tree, Haikou Town, Xishan District, Yunnan, Kunming Patentee after: YUNNAN SHENGWEI CHEMICAL Co.,Ltd. Address before: 650114 peach tree, Haikou Town, Xishan District, Yunnan, Kunming Patentee before: YUNNAN COPPER INDUSTRY SUNWARD CHEMICALS Co.,Ltd. |
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Effective date of registration: 20210412 Address after: 550500 Shuanglong Industrial Park, NIUCHANG Town, Fuquan City, Qiannan Buyi and Miao Autonomous Prefecture, Guizhou Province Patentee after: Guizhou Shengwei Fuquan Chemical Co.,Ltd. Address before: 650114 taoshuqing, Haikou Town, Xishan District, Kunming City, Yunnan Province Patentee before: YUNNAN SHENGWEI CHEMICAL Co.,Ltd. |
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Denomination of invention: A method to improve the defluorination rate of concentrated phosphoric acid with high impurities Effective date of registration: 20220621 Granted publication date: 20170111 Pledgee: China Construction Bank Corporation Qiannan Prefecture Branch Pledgor: Guizhou Shengwei Fuquan Chemical Co.,Ltd. Registration number: Y2022520000025 |