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    • 4. 发明申请
    • METHOD FOR CYCLICALLY PREPARING MONOMER BORON AND COPRODUCING POTASSIUM CRYOLITE USING POTASSIUM FLUOBORATE AS INTERMEDIATE MATERIAL
    • 使用氟化钾作为中间材料循环制备单体硼和共混磷酸钙的方法
    • US20130095023A1
    • 2013-04-18
    • US13708959
    • 2012-12-08
    • Shenzhen Sunxing Light Alloys Materials Co., Ltd
    • Xuemin CHENYueming YUQingdong YEJun YANGZhi ZHOU
    • C01B35/02
    • C01B35/023C01B35/066C01F7/34C01F7/54
    • 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.
    • 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。
    • 5. 发明申请
    • CYCLIC PREPARATION METHOD FOR PRODUCING TITANIUM BORIDE FROM INTERMEDIATE FEEDSTOCK SODIUM-BASED TITANIUM-BORON-FLUORINE SALT MIXTURE AND PRODUCING SODIUM CRYOLITE AS BYPRODUCT
    • 以中间体原料为原料生产钛酸钡的循环制备方法,以生产钠盐为原料生产钠钙钛矿盐酸盐
    • US20130095020A1
    • 2013-04-18
    • US13708961
    • 2012-12-08
    • Shenzhen Sunxing Light Alloys Materials Co.,Ltd
    • Xuemin CHENYueming YUQingdong YEJun YANGZhi ZHOU
    • C01B35/04
    • C01B35/04C01B35/06C01D5/00C01F7/42C01F7/54C01G23/00C25C3/08C25C3/18
    • 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.
    • 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。