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    • 3. 发明申请
    • A PROCESS FOR THE PRODUCTION OF TITANIUM PRODUCTS
    • 一种生产钛白粉产品的方法
    • WO2007043055A1
    • 2007-04-19
    • PCT/IL2006/001185
    • 2006-10-15
    • JOMA CHEMICAL ASASHER VITNER LTD.VITNER, AsherEYAL, AharonMALI, Revital
    • VITNER, AsherEYAL, AharonMALI, Revital
    • C01G23/00C01G49/14C01G49/00C01G23/053C01G23/04
    • C01G23/002B82Y30/00C01G23/008C01G23/04C01G23/0532C01G49/009C01G49/14C01P2004/62C01P2004/64C01P2006/80
    • The invention provides a method for the Industrial purification of a titanium feed stream of purity P1 , by the formation of a titanium-double-salt precipitate of purity P2 and a titanium solution with purity P3, wherein P2>P1 >P3, the method comprising the steps of: i. forming, from the feed, a medium comprising water, titanium ion, a cation selected from the group consisting of ammonium, cations of alkali metals, protons and a combination thereof, and an anion selected from the group consisting of OH, SO4, HSO4, halides and a combination thereof, which formed medium is further characterized by the presence of (a) a double-salt precipitate comprising titanium ion, at least one of the cations and at least one of the anions; and (b) a titanium solution; and wherein the concentration of the anion in the titanium solution is higher than 15% and the ratio between the concentrations of the cation and the anion in the titanium solution is higher than 0.2 and lower than 1.6; and ii. separating at least a portion of the precipitate from the solution.
    • 本发明提供了通过形成纯度为P2的钛 - 双盐沉淀物和纯度为P3的钛溶液(其中P2> P1> P3),纯化P1纯钛进料流的工业纯化方法,该方法包括 步骤:i。 从进料形成包含水,钛离子,选自铵,碱金属阳离子,质子及其组合的阳离子和选自OH,SO 4,HSO 4, 形成介质的卤化物及其组合的进一步特征在于存在(a)包含钛离子,至少一种阳离子和至少一种阴离子的双盐沉淀物; 和(b)钛溶液; 并且其中钛溶液中阴离子的浓度高于15%,并且钛溶液中的阳离子和阴离子的浓度之比高于0.2且低于1.6; 和ii。 从溶液中分离出至少一部分沉淀物。