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- industrial fluorosilicic acid 工业硅氟酸
- The causes for the low output of fluorosilicic acid, the byproduct from the phosphoric acid unit, are analyzed. 摘要分析了磷酸装置副产品氟硅酸产量偏低的原因。
- A new process for producing cryolite from fluorosilicic acid co-produced in medium and small-sized phosphate fertilizer plants is introduced. 介绍了利用中小磷肥厂副产的氟硅酸制冰晶石的新工艺,以低浓度的氟硅酸和碳酸氢铵、硫酸铝、硫酸钠为原料制取冰晶石,并副产硫酸铵和白炭黑。
- Abstract: the iodine is extracted from fluorosilicic acid solution by carbon tetrachloride after the iodine ion is oxidized to the free iodine. The oxidant B is adopted through sifting oxidants. 摘要对氟硅酸提碘过程的氧化剂进行选择研究，结果表明，对碘回收率而言氧化剂B较好。
- A patent for fluorosilicic acid production by adsorption of silicon tetrafluoride with pressure water is described in the production of wet-process phosphoric acid or phosphate fertilizer. 介绍一种在湿法磷酸或磷肥生产过程中用水吸收四氟化硅制备氟硅酸的专利技术。
- Cryolite is produced from low-concentration fluorosilicic acid and ammonium bicarbonate,aluminum sulphate,sodium sulfate as feedstock,with ammonium sulphate and carbon white as by-products. 介绍了利用中小磷肥厂副产的氟硅酸制冰晶石的新工艺,以低浓度的氟硅酸和碳酸氢铵、硫酸铝、硫酸钠为原料制取冰晶石,并副产硫酸铵和白炭黑。
- This article highlights the proprietary technology used to produce anhydrous hydrogen fluoride with fluorosilicic acid in foreign countries,as well as the scientific research achievem. 介绍了国外用氟硅酸生产无水氟化氢的专利技术以及四川大学的科研成果,认为经过中试获得必要的设计参数,便可推广应用,市场前景看好。
- Keywords fluorosilicic acid;ammonium hydrocarbonate;dynamics;research; 氟硅酸;碳酸氢铵;动力学;研究;
- England is an advanced industrial country. 英国是一个发达的工业国家。
- This country ranks last in industrial output. 这个国家的工业生产排名最後。
- Production of Anhydrous Hydrogen Fluoride with Byproduct Fluorosilicic Acid from Phosphate Fertilizer Plant 由磷肥厂副产氟硅酸生产无水氟化氢
- The man was charged with industrial espionage. 此人被控告从事工业间谍活动。
- Study on Producing Cryolite from Low Concentration Fluorosilicic Acid in A Phosphate Fertilizer Plant 磷肥厂低浓度氟硅酸制冰晶石的研究
- Many rivers are defiled by industrial waste. 许多河流被工业废水污染了。
- Steel and gasoline are industrial products. 钢和汽油是工业产品。
- Study on the Process to Produce Sodium Fluoride and Silica aerogel from Fluorosilicic Acid 由氟硅酸制氟化钠和白炭黑的工艺研究
- The stockbroker has placed the money in industrial stock. 证券经纪人已用那笔钱购入了工业股票。
- Production of sodium fluoride from fluorosilicic acid solution treated with soda ash by one step process 纯碱处理氟硅酸溶液一步法生产氟化钠
- A new city has grown up in this industrial district. 在这个工业地区兴起一座新城市。
- Keywords AlF 3+Linz process;fluorosilicic acid;operation+intermittent;sequence control;design; 氟化铝+林茨工艺;氟硅酸;操作+间歇;时序控制;设计;
