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1.发明授权公开(公告)号：US08641996B2
公开(公告)日：2014-02-04
申请号：US13709023
申请日：2012-12-09
发明人： Xuemin Chen , Yueming Yu , Qingdong Ye , Jun Yang , Zhi Zhou
摘要： A cyclic preparation method including the following steps: a) boric acid or boric anhydride is added with hydrofluoric acid and then with potassium sulfate for reaction to generate potassium fluoborate; titanium-iron concentrate is added with hydrofluoric acid and then with potassium sulfate for reaction to generate potassium fluotitanate; B) the potassium fluoborate is mixed with the potassium fluotitanate, and the mixture reacts with aluminum to generate titanium boride and potassium cryolite; C) the potassium cryolite is sucked out and then fed into a rotary reaction kettle together with concentrated sulfuric acid, hydrogen fluoride gas as well as potassium sulfate and potassium aluminum sulfate are generated by reaction in the rotary reaction kettle, and the hydrogen fluoride gas is collected and then dissolved in water to obtain hydrofluoric acid aqueous solution; and D) the obtained hydrofluoric acid aqueous solution and potassium sulfate aqueous solution are recycled.
摘要翻译： 一种循环制备方法，包括以下步骤：a）向氢氟酸中加入硼酸或硼酸酐，然后加入硫酸钾反应生成氟硼酸钾; 加入铁 - 铁精矿与氢氟酸，然后加硫酸钾反应生成氟钛酸钾; B）氟硼酸钾与氟钛酸钾混合，混合物与铝反应产生硼化钛和冰晶石; C）将钾冰晶石吸出，然后与浓硫酸一起进料到旋转反应釜中，通过在旋转反应釜中反应产生氟化氢气体以及硫酸钾和硫酸铝钾，氟化氢气体为 收集，然后溶于水，得到氢氟酸水溶液; 和D）得到的氢氟酸水溶液和硫酸钾水溶液被回收。
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2.发明授权Method for cyclically preparing monomer boron and coproducing potassium cryolite using potassium fluoborate as intermediate material 失效使用氟硼酸钾作为中间体循环制备单体硼和共同生产钾冰晶石的方法公开(公告)号：US08562931B2
公开(公告)日：2013-10-22
申请号：US13708959
申请日：2012-12-08
发明人： Xuemin Chen , Yueming Yu , Qingdong Ye , Jun Yang , Zhi Zhou
IPC分类号： C01B35/02
CPC分类号： C01B35/023 , C01B35/066 , C01F7/34 , C01F7/54
摘要： A method for cyclically preparing monomer boron and coproducing potassium cryolite using potassium fluoborate as an intermediate material, which includes following steps: A) adding hydrofluoric acid to boric acid or boron oxide to enable a reaction to form fluoboric acid; B) adding a potassium sulphate aqueous solution to the fluoboric acid to enable a reaction to form the potassium fluoborate; C) putting the potassium fluoborate into a reactor, adding aluminium to react with the potassium fluoborate to form the monomer boron and potassium cryolite; D) extracting the potassium cryolite, sending the potassium cryolite to a rotary reaction kettle together with concentrated sulphuric acid to enable a reaction to form hydrogen fluoride gas and aluminium potassium sulphate, potassium sulphate, collecting the hydrogen fluoride gas and dissolving it into water to obtain the hydrofluoric acid; E) recycling the obtained hydrofluoric acid to Step A to leach the boric acid or boron oxide.
摘要翻译： 使用氟硼酸钾作为中间体循环制备单体硼并共同生产钾冰晶石的方法，其包括以下步骤：A）向硼酸或氧化硼中加入氢氟酸以使反应形成氟硼酸; B）向氟硼酸中加入硫酸钾水溶液以使其形成氟硼酸钾; C）将氟硼酸钾放入反应器中，加入铝与氟硼酸钾反应形成单体硼和钾冰晶石; D）提取钾冰晶石，将钾冰晶石与浓硫酸一起送入旋转反应釜，使反应生成氟化氢气体和硫酸铝钾，硫酸钾，收集氟化氢气体并将其溶于水中，得到 氢氟酸; E）将获得的氢氟酸循环到步骤A以浸出硼酸或氧化硼。
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3.发明授权Method for cyclically preparing titanium sponge and coproducing potassium cryolite using potassium fluotitanate as intermediate material 有权使用氟钛酸钾作为中间体循环制备海绵钛并共同生产钾冰晶石的方法公开(公告)号：US08753421B2
公开(公告)日：2014-06-17
申请号：US13708955
申请日：2012-12-08
发明人： Xuemin Chen , Yueming Yu , Qingdong Ye , Jun Yang , Zhi Zhou , Xinyi Chen
CPC分类号： C22B34/12 , C01D3/02 , C01F7/54 , C22B34/1277 , Y02P10/212
摘要： A method for cyclically preparing titanium sponge and coproducing potassium cryolite using potassium fluotitanate as an intermediate material, which includes the following steps: A) adding hydrofluoric acid to titaniferous iron concentrate to enable a reaction to form fluotitanic acid; B) adding potassium sulphate to the fluotitanic acid to enable a reaction to form the potassium fluotitanate; C) putting the potassium fluotitanate into a reactor, adding aluminum to react with the potassium fluotitanate to form the titanium sponge and potassium cryolite; D) extracting the potassium cryolite and sending it to a rotary reaction kettle together with concentrated sulphuric acid to enable a reaction to form hydrogen fluoride gas and potassium sulphate, aluminum potassium sulphate; collecting the hydrogen fluoride gas and dissolving it into water to obtain a hydrofluoric acid aqueous solution; E) recycling the obtained hydrofluoric acid aqueous solution to Step A to leach the titaniferous iron concentrate.
摘要翻译： 使用氟钛酸钾作为中间体循环制备钛海绵和共生产冰晶石的方法，其包括以下步骤：A）向含钛铁精矿加入氢氟酸以使反应形成氟钛酸; B）向氟钛酸中加入硫酸钾以使反应形成氟钛酸钾; C）将氟钛酸钾放入反应器中，加入铝与氟钛酸钾反应形成海绵钛和冰晶石; D）萃取钾冰晶石，并与浓硫酸一起送入旋转反应釜，使反应生成氟化氢气体和硫酸钾，硫酸铝钾; 收集氟化氢气体并将其溶解在水中，得到氢氟酸水溶液; E）将获得的氢氟酸水溶液循环到步骤A以浸提含铁铁精矿。
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4.发明授权Method for cyclically preparing titanium sponge and coproducing sodium cryolite using sodium fluotitanate as intermediate material 有权使用氟钛酸钠作为中间体循环制备海绵钛并共同生产钠冰晶石的方法公开(公告)号：US08758478B2
公开(公告)日：2014-06-24
申请号：US13708949
申请日：2012-12-08
发明人： Xuemin Chen , Yueming Yu , Qingdong Ye , Jun Yang , Zhi Zhou , Xinyi Chen
CPC分类号： C22B34/12 , C01D3/02 , C22B34/1277 , Y02P10/212
摘要： A method for cyclically preparing titanium sponge and coproducing sodium cryolite using sodium fluotitanate as an intermediate material, which includes the following steps: A) adding hydrofluoric acid to titaniferous iron concentrate to enable a reaction to form fluotitanic acid; B) adding sodium carbonate and sodium hydroxide to the fluotitanic acid to enable a reaction to form the sodium fluotitanate; C) putting the sodium fluotitanate into a reactor, adding aluminum to react with the sodium fluotitanate to form the titanium sponge and sodium cryolite; D) extracting the sodium cryolite and sending it to a rotary reaction kettle together with concentrated sulphuric acid to enable a reaction to form hydrogen fluoride gas and sodium sulphate, aluminum sodium sulphate; collecting the hydrogen fluoride gas and dissolving it into water to obtain a hydrofluoric acid solution; E) recycling the obtained hydrofluoric acid to Step A to leach the titaniferous iron concentrate.
摘要翻译： 一种利用氟钛酸钠作为中间体循环制备钛海绵和共同生产钠冰晶石的方法，包括以下步骤：A）向含钛铁精矿中加入氢氟酸以使反应形成氟钛酸; B）向氟钛酸中加入碳酸钠和氢氧化钠以使反应形成氟钛酸钠; C）将氟钛酸钠放入反应器中，加入铝与氟钛酸钠反应形成钛海绵和钠冰晶石; D）萃取钠冰晶石并与浓硫酸一起送到旋转反应釜中，使反应生成氟化氢气体和硫酸钠，硫酸铝钠; 收集氟化氢气体并将其溶解在水中，得到氢氟酸溶液; E）将获得的氢氟酸回收到步骤A以浸提含铁铁精矿。
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5.发明授权Method for cyclically preparing elemental boron and coproducing sodium cryolite using sodium fluoborate as intermediate material 失效使用氟硼酸钠作为中间体循环制备元素硼并共同生产钠冰晶石的方法公开(公告)号：US08557209B2
公开(公告)日：2013-10-15
申请号：US13709009
申请日：2012-12-09
发明人： Xuemin Chen , Yueming Yu , Qingdong Ye , Jun Yang , Zhi Zhou
CPC分类号： C01B35/023 , B82Y30/00 , B82Y40/00 , C01B32/50 , C01B35/06 , C01F7/54 , C01F7/762 , C25C3/18
摘要： A method for cyclically preparing elemental boron and coproducing sodium cryolite using sodium fluoborate as an intermediate material, which includes the following steps: A) adding hydrofluoric acid to boric acid or boron oxide to enable a reaction to form fluoboric acid; B) adding a sodium carbonate aqueous solution to the fluoboric acid to enable a reaction to form the sodium fluoborate; C) putting the sodium fluoborate into a reactor, adding aluminum to react with the sodium fluoborate to form the elemental boron and sodium cryolite; D) extracting the sodium cryolite, sending the sodium cryolite to a rotary reaction kettle together with concentrated sulphuric acid to enable a reaction to form hydrogen fluoride gas and aluminum sodium sulphate, collecting the hydrogen fluoride gas and dissolving it into water to obtain the hydrofluoric acid; E) recycling the obtained hydrofluoric acid to Step A to leach the boric acid or boron oxide.
摘要翻译： 使用氟硼酸钠作为中间体循环制备元素硼和共同生产钠冰晶石的方法，其包括以下步骤：A）向硼酸或氧化硼中加入氢氟酸以使反应形成氟硼酸; B）向氟硼酸中加入碳酸钠水溶液使反应生成氟硼酸钠; C）将氟硼酸钠放入反应器中，加入铝与氟硼酸钠反应形成元素硼和钠冰晶石; D）提取钠冰晶石，将钠冰晶石与浓硫酸一起送入旋转反应釜，使反应生成氟化氢气体和硫酸铝钠，收集氟化氢气体并将其溶于水中，得到氢氟酸 ; E）将得到的氢氟酸回收至步骤A以浸出硼酸或氧化硼。
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6.发明授权Cyclic preparation method for producing titanium boride from intermediate feedstock sodium-based titanium-boron-fluorine salt mixture and producing sodium cryolite as byproduct 失效从中间体原料钠基钛硼氟盐混合物制备钛硼化物的循环制备方法，生产冰晶石钠作为副产物公开(公告)号：US08574526B2
公开(公告)日：2013-11-05
申请号：US13708961
申请日：2012-12-08
发明人： Xuemin Chen , Yueming Yu , Qingdong Ye , Jun Yang , Zhi Zhou
摘要： A cyclic preparation method for producing titanium boride from intermediate feedstock sodium-based titanium-boron-fluorine salt mixture and producing sodium cryolite as byproduct, which comprises the steps: a) boric acid or boric anhydride is added with hydrofluoric acid and then with sodium carbonate solution for concentration and crystallization to generate sodium fluoborate; titanium-iron concentrate is added with hydrofluoric acid and then with sodium carbonate and sodium hydroxide to obtain sodium fluotitanate; B) the sodium fluoborate is mixed with the sodium fluotitanate, and the mixture reacts with aluminum to generate titanium boride and sodium cryolite; C) the sodium cryolite is sucked out and then fed into a rotary reaction kettle together with concentrated sulfuric acid, hydrogen fluoride gas as well as sodium sulfate and sodium aluminum sulfate are generated by reaction in the rotary reaction kettle, and the hydrogen fluoride gas is collected and then dissolved in water to obtain hydrofluoric acid aqueous solution; and D) the obtained hydrofluoric acid aqueous solution is recycled.
摘要翻译： 一种从中间体原料钠基钛硼氟盐混合物制备钛硼化物并生产作为副产物的冰晶石钠的循环制备方法，其包括以下步骤：a）向硼酸或硼酸酐中加入氢氟酸，然后加入碳酸钠 浓度和结晶溶液产生氟硼酸钠; 加入铁 - 铁精矿，加入氢氟酸，然后加入碳酸钠和氢氧化钠，得到氟钛酸钠; B）氟硼酸钠与氟钛酸钠混合，混合物与铝反应产生硼化钛和钠冰晶石; C）将冰晶石钠吸出，然后与浓硫酸一起进料到旋转反应釜中，通过在旋转反应釜中反应产生氟化氢气体以及硫酸钠和硫酸铝钠，氟化氢气体为 收集，然后溶于水，得到氢氟酸水溶液; 和D）将所得氢氟酸水溶液再循环。
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