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Lithium Corporation of Chile (SCL) Introduction


Economic benefits, has developed two kinds of lithium from the concentrated brine recovery process, and obtain a patent, one is the \MgSO · 7H: O), lithium-containing brine is heated to more than 1 35 ℃, the yield of lithium is high, the wine container containing lithium below 0.5 the water is different, It was found through the sun to reach the lithium concentration depending on the Some lithium-magnesium brine ratio of the Central Plains, and if the molar ratio of lithium and magnesium in the 11 ~ l2 between the concentration of lithium evaporation will not exceed o. 73 (9.3g / L), while the molar ratio of l0, the lithium concentration fell to 0.59% but, the best lithium and magnesium molar ratio is 8; the other process is the \method suitable for Taiwan in the brine sO: higher concentration of brine. This summer (9 March) temperature in the range of 18 ~ 35 ℃, 21 ~ 35tool concentration of magnesium chloride brine / 1000tool water, will precipitate double salt KLiSOt; winter (4 August) temperature below 18 ℃, the main product is soft potassium and magnesium vanadium (MgSO · 6HO), lithium potassium salt is potassium sulfate and lithium complex an excellent raw material, because it can dissolve the potassium chloride brine,[link widoczny dla zalogowanych], in the Journal of the complex decomposition of solid potassium sulfate, and the rest of the serum is the lithium-rich brine, this wine container of water heated to 80 ℃ and then react with the soda solution, the output of lithium carbonate, the reaction equation is as follows :'/),[link widoczny dla zalogowanych]。 A / Xinjiang Nonferrous Metals KLiS04 ten KCl-K2SO. + + LiCInr2LiCI + Na2COLCO + +2 NaCl purity lithium carbonate products, 99.95; lithium recovery was 67.7. Lithium refinery production in July 1984, initial production capacity of 14 million pounds of lithium carbonate, lithium salt factory for the world's third largest. 1989 Foote purchased all the shares and become sole shareholder,[link widoczny dla zalogowanych], and fully expanded reproduction, and by 1990 the market for lithium carbonate is 11800t. Fourth, the Atacama successful extraction of lithium salt, lithium salt will fundamentally change the relationship between production methods and supply and demand developed by the Atacama in Chile Lithium Lithium brine to be successful, make the world a lithium salt (lithium carbonate) down the cost of 45 cents / lb. This will allow lithium salt production methods and fundamental changes in supply and demand, production of raw materials will be liquid (brine and sea water) to replace the solid spodumene. Foot company in order to focus on the development of financial and material resources Atacama closed it in 1986 in Kings Mountain spodumene - sulfuric acid production line (when its lithium carbonate production capacity is 8160t, production cost is 120 cents / lb). In view of the company's development Foote,[link widoczny dla zalogowanych], Fmc Corporation is not far behind, one hand engaged in technological innovation, the Beisi Mai spodumene lithium plant production of a carbonic acid recovery from the 9o Choi to 93, the cost of lithium carbonate from the 12O cents / pound dropped to 95 cents / lb, while the lithium salt products processing; the other hand, active negotiations and the Government of Argentina, and finally reached a joint development agreement Weng 布雷穆埃尔 care Salt Lake,[link widoczny dla zalogowanych], Fmc companies to invest in 5500 million, of which 500 million for geological exploration. Lithium Salt Plant capacity 15000t so, according to news reports about the company in 1997 in Chile and Argentina, lithium carbonate lithium, will be $ 2,000 / t in the sales price of the Japanese market, which will make lithium fundamental changes in supply and demand. A D References (abbreviated) with the derivative Spectrophotometric Determination of Titanium V Series {BgB India has developed a method for determining titanium in aqueous media is simple, rapid, selective and sensitive spectrophotometric method. In pH1 ~ 7 range, the metal ion and 2,4-hydroxybenzaldehyde isonicotinoyl hydrazone (2,4 - DHBINH) the formation of reddish brown complex. The network station showed two absorption great things, one in 430Nm at another place at 500nm. In pil1.5, the reagent 430p_m shows considerable absorbance, the absorbance in SO0nm small. Ti (IX /) content in the range of 0.09 ~ 2,15 ugmL, law is obeyed. Method and the molar absorption Sandell sensitivity were 1,35 × 10'Lmolcm and 0.0049pgcm paper presents a first order derivative spectrophotometric method for determination of Ti, and successfully applied to the determination of nickel base superalloy Taijin, titanium-based alloys and low-alloy steel titanium content. Results ammonia peroxide sensitivity than good; than the chromotropic acid method has more advantages; hydrazone method is more sensitive than others. Law in the presence of ascorbic acid is highly selective. Sun Hui Qu Quoted Talauta, 43 (1996) 551 ~ 558

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