公开(公告)号：US20150321946A1

公开(公告)日：2015-11-12

申请号：US14647739

申请日：2012-11-27

申请人： SHENHUA GROUP CORPORATION LIMITED ,  NATIONAL INSTITUTE OF CLEAN-AND-LOW-CARBON ENERGY

发明人： Qi Sun ,  Lijun Zhao ,  Baodong Wang ,  Xiaoting Liu

IPC分类号： C03C1/00 ,  C03C3/087

CPC分类号： C03C1/002 ,  C03C1/006 ,  C03C3/062 ,  C03C3/087 ,  C03C3/097

摘要： The present invention discloses a method for preparing a soda-lime-silica glass basic formulation and a method for producing soda-lime-silica glass, comprising the steps of: pre-desiliconizing silicon-containing powdery industrial waste with a sodium hydroxide solution; introducing carbon dioxide for carbonation decomposition, and filtering to obtain a silicic acid precipitate and a sodium carbonate solution; drying the silicic acid precipitate to obtain silicon dioxide; adding lime milk into the filtered sodium carbonate for causticization, and filtering to obtain a sodium hydroxide solution and a calcium carbonate precipitate; drying the calcium carbonate precipitate; using said silicon dioxide and part of the calcium carbonate and adding sodium oxide. The present invention further discloses a method for extracting aluminum from coal ash for co-production of soda lime glass, which uses silicon dioxide obtained from alkali dissolution and desiliconization of coal ash and calcium carbonate generated from causticization as main raw materials. The method for extracting aluminum from coal ash for co-production of soda lime glass according to the present invention integrates and optimizes a process of extracting aluminum from the coal ash, has a high material and energy utilization rate, good quality of co-product glass, and high added value, and can greatly improve economical efficiency of aluminum extraction of coal ash.

摘要翻译： 本发明公开了一种制备钠钙石英玻璃碱性配方的方法及其制备方法，其特征在于包括以下步骤：用氢氧化钠溶液预硅化含硅粉末工业废料; 引入二氧化碳进行碳酸化分解，过滤得到硅酸沉淀物和碳酸钠溶液; 干燥硅酸沉淀物，得到二氧化硅; 将白砂糖加入过滤的碳酸钠中进行苛化处理，过滤得到氢氧化钠溶液和碳酸钙沉淀物; 干燥碳酸钙沉淀物; 使用所述二氧化硅和一部分碳酸钙并加入氧化钠。 本发明还公开了一种从用于共同生产钠钙玻璃的煤灰中提取铝的方法，该方法使用从碱溶解和硅酸脱硅得到的二氧化硅和由苛性碱生成的碳酸钙作为主要原料。 根据本发明的用于共同生产钠钙玻璃的煤灰提取铝的方法整合并优化从煤灰中提取铝的方法，具有高的材料和能量利用率，良品质的共同产品玻璃 ，附加值高，可大大提高煤灰铝提取的经济效益。

公开(公告)号：US09517965B2

公开(公告)日：2016-12-13

申请号：US14647739

申请日：2012-11-27

申请人： Shenhua Group Corporation Limited ,  National Institute of Clean-and-Low-Carbon Energy

发明人： Qi Sun ,  Lijun Zhao ,  Baodong Wang ,  Xiaoting Liu

IPC分类号： C03B5/00 ,  C03C1/00 ,  C03C3/087 ,  C03C3/062 ,  C03C3/097

CPC分类号： C03C1/002 ,  C03C1/006 ,  C03C3/062 ,  C03C3/087 ,  C03C3/097

摘要： The present invention discloses a method for preparing a soda-lime-silica glass basic formulation and a method for producing soda-lime-silica glass, comprising the steps of: pre-desiliconizing silicon-containing powdery industrial waste with a sodium hydroxide solution; introducing carbon dioxide for carbonation decomposition, and filtering to obtain a silicic acid precipitate and a sodium carbonate solution; drying the silicic acid precipitate to obtain silicon dioxide; adding lime milk into the filtered sodium carbonate for causticization, and filtering to obtain a sodium hydroxide solution and a calcium carbonate precipitate; drying the calcium carbonate precipitate; using said silicon dioxide and part of the calcium carbonate and adding sodium oxide. The present invention further discloses a method for extracting aluminum from coal ash for co-production of soda lime glass, which uses silicon dioxide obtained from alkali dissolution and desiliconization of coal ash and calcium carbonate generated from causticization as main raw materials. The method for extracting aluminum from coal ash for co-production of soda lime glass according to the present invention integrates and optimizes a process of extracting aluminum from the coal ash, has a high material and energy utilization rate, good quality of co-product glass, and high added value, and can greatly improve economical efficiency of aluminum extraction of coal ash.

摘要翻译： 本发明公开了一种制备钠钙石英玻璃碱性配方的方法及其制备方法，其特征在于包括以下步骤：用氢氧化钠溶液预硅化含硅粉末工业废料; 引入二氧化碳进行碳酸化分解，过滤得到硅酸沉淀物和碳酸钠溶液; 干燥硅酸沉淀物，得到二氧化硅; 将白砂糖加入过滤的碳酸钠中进行苛化处理，过滤得到氢氧化钠溶液和碳酸钙沉淀物; 干燥碳酸钙沉淀物; 使用所述二氧化硅和一部分碳酸钙并加入氧化钠。 本发明还公开了一种从用于共同生产钠钙玻璃的煤灰中提取铝的方法，该方法使用从碱溶解和硅酸脱硅得到的二氧化硅和由苛性碱生成的碳酸钙作为主要原料。 根据本发明的用于共同生产钠钙玻璃的煤灰提取铝的方法整合并优化从煤灰中提取铝的方法，具有高的材料和能量利用率，良品质的共同产品玻璃 ，附加值高，可大大提高煤灰铝提取的经济效益。