Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses a zircon sand iron removal process which comprises the following steps: S1, acidolysis: putting hydrochloric acid with the concentration of 15%-20% into a reaction kettle, starting stirring, and adding zircon sand containing iron impurities while stirring, with the mass ratio of zircon sand to hydrochloric acid being 1: (2-5); starting a heating system is started, increasing the temperature in the reaction kettle to 80-95 DEG C, and performing heat preservation for 2-5 hours so that iron impurities are fully subjected to acidolysis, wherein the iron impurities and hydrochloric acid are subjected to the following reaction: Fe2O3 + 3HCl = 2FeCl3 + 3H2O, and FeCl3 is generated; cooling after full reaction, putting the material into suction filtration equipment with filter cloth, and carrying out solid-liquid separation to obtain an acidolysis material for later use; s2, washing with water: adding water into suction filtration equipment with an acidolysis material until the acidolysis material is overflowed, and soaking for 1-2 hours; after FeCl3 in the acidolysis material is fully dissolved in water, carrying out solid-liquid separation, and carrying out suction filtration on the water to dryness; repeating the operation until the material is neutral; and S3, drying: drying the material washed in the step S2. The zircon sand treated by the method is low in iron impurity content and high in whiteness.
本发明公开了一种锆英砂除铁工艺，包括：S1、酸解：将浓度15%~20%的盐酸放入反应釜中，开启搅拌，边搅拌边加入含铁杂质的锆英砂，锆英砂与盐酸的质量比为1：(2~5)；开启加热系统，将反应釜内的温度升至80~95℃并保温2~5小时，让铁杂质充分进行酸解；其中，铁杂质与盐酸发生以下反应：Fe2O3+3HCl=2FeCl3+3H2O，生成FeCl3；充分反应后进行冷却，将物料放入带有滤布的抽滤设备中，进行固液分离，得到酸解料，备用；S2、水洗：往带有酸解料的抽滤设备中加入水，加到漫过酸解料，并浸泡1~2小时；待酸解料中的FeCl3充分溶解于水中，进行固液分离，将水抽滤干；反复操作，直至物料呈中性；S3、烘干：将步骤S2水洗后的物料烘干。经本发明处理后的锆英砂，铁杂质含量低，白度高。
The invention discloses a zircon sand iron removal process which comprises the following steps: S1, acidolysis: putting hydrochloric acid with the concentration of 15%-20% into a reaction kettle, starting stirring, and adding zircon sand containing iron impurities while stirring, with the mass ratio of zircon sand to hydrochloric acid being 1: (2-5); starting a heating system is started, increasing the temperature in the reaction kettle to 80-95 DEG C, and performing heat preservation for 2-5 hours so that iron impurities are fully subjected to acidolysis, wherein the iron impurities and hydrochloric acid are subjected to the following reaction: Fe2O3 + 3HCl = 2FeCl3 + 3H2O, and FeCl3 is generated; cooling after full reaction, putting the material into suction filtration equipment with filter cloth, and carrying out solid-liquid separation to obtain an acidolysis material for later use; s2, washing with water: adding water into suction filtration equipment with an acidolysis material until the acidolysis material is overflowed, and soaking for 1-2 hours; after FeCl3 in the acidolysis material is fully dissolved in water, carrying out solid-liquid separation, and carrying out suction filtration on the water to dryness; repeating the operation until the material is neutral; and S3, drying: drying the material washed in the step S2. The zircon sand treated by the method is low in iron impurity content and high in whiteness.
本发明公开了一种锆英砂除铁工艺，包括：S1、酸解：将浓度15%~20%的盐酸放入反应釜中，开启搅拌，边搅拌边加入含铁杂质的锆英砂，锆英砂与盐酸的质量比为1：(2~5)；开启加热系统，将反应釜内的温度升至80~95℃并保温2~5小时，让铁杂质充分进行酸解；其中，铁杂质与盐酸发生以下反应：Fe2O3+3HCl=2FeCl3+3H2O，生成FeCl3；充分反应后进行冷却，将物料放入带有滤布的抽滤设备中，进行固液分离，得到酸解料，备用；S2、水洗：往带有酸解料的抽滤设备中加入水，加到漫过酸解料，并浸泡1~2小时；待酸解料中的FeCl3充分溶解于水中，进行固液分离，将水抽滤干；反复操作，直至物料呈中性；S3、烘干：将步骤S2水洗后的物料烘干。经本发明处理后的锆英砂，铁杂质含量低，白度高。
Zircon sand iron removal process
一种锆英砂除铁工艺
ZHU ZHIBIN (Autor:in)
23.04.2021
Patent
Elektronische Ressource
Chinesisch
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