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    • 42. 发明公开
    • METHOD FOR PREPARING METAL OXIDE-SILICA COMPOSITE AEROGEL AND METAL OXIDE-SILICA COMPOSITE AEROGEL PREPARED BY MEANS OF SAME
    • 制备金属氧化物 - 硅酸盐复合气凝胶和金属氧化物 - 硅酸盐复合气凝胶的方法
    • EP3305725A1
    • 2018-04-11
    • EP16803734.9
    • 2016-06-01
    • LG Chem, Ltd.
    • KIM, Jong HunLEE, Je Kyun
    • C01B33/14C01D1/02C01F5/06B01J20/04
    • Provided are a method of preparing a metal oxide-silica composite aerogel which includes preparing a silicate solution by dissolving water glass at a concentration of 0.125 M to 3.0 M, after adding and mixing a metal salt solution having a metal ion concentration of 0.125 M to 3.0 M to the silicate solution, precipitating metal oxide-silica composite precipitates by adjusting a pH of a resulting mixture to be in a range of 3 to 9, and separating and drying the metal oxide-silica composite precipitates, wherein the metal salt solution includes a magnesium (Mg)-containing metal salt in an amount such that an amount of magnesium ions is greater than 50 mol% based on a total mole of metal ions in the metal salt solution, and a metal oxide-silica composite aerogel having low tap density and high specific surface area prepared by the method.
    • 本发明提供一种金属氧化物 - 二氧化硅复合型气凝胶的制备方法,其包括:将水玻璃以0.125M〜3.0M的浓度溶解后,添加金属离子浓度为0.125M的金属盐溶液, 通过将所得混合物的pH调节至3至9的范围内,并将金属氧化物 - 二氧化硅复合沉淀物分离并干燥,从而沉淀出金属氧化物 - 二氧化硅复合沉淀物,其中金属氧化物 - 二氧化硅复合沉淀物包括3.0M 基于金属盐溶液中的金属离子的总摩尔数,镁离子的量大于50摩尔%的含镁(Mg)金属盐和具有低抽头的金属氧化物 - 二氧化硅复合气凝胶 密度和由该方法制备的高比表面积。
    • 43. 发明公开
    • METHOD FOR PROCESSING MAGNESIUM CHLORIDE SOLUTIONS
    • VERFAHREN ZUR VERARBEITUNG VONMAGNESIUMCHLORIDLÖSUNGEN
    • EP3016909A1
    • 2016-05-11
    • EP14734489.9
    • 2014-07-02
    • PURAC Biochem BV
    • DE VRIES, Johannes, JeichienusFREDIANSYAH, RaymonDE HAAN, André, Banier
    • C01F5/10C12P7/40C01B13/18C01F5/06
    • C12P3/00C01B7/01C01B7/035C01F5/10C01F5/30C01P2006/80C07C51/02C12P7/40C07C59/08C07C55/10C07C53/122C07C59/01C07C59/265C07C57/15C07C57/13
    • The invention pertains to a method for processing MgCl2 solutions comprising the steps of - providing an aqueous solution comprising 5-25 wt.% of MgCl2 and optionally organic contaminants to an evaporation step, wherein water and, where present, organic components are evaporated, - withdrawing an aqueous solution with a MgCl2 concentration of 25-35 wt.% from an evaporation step and providing it to a preconcentrator where it is contacted with a HCl containing gas stream with a temperature of at least 300°C, - providing an aqueous solution with a MgCl2 concentration of 35-45 wt.% resulting from the preconcentrator to a thermohydrolysis reactor, the reactor being at a temperature of at least 300°C, - withdrawing MgO from the thermohydrolysis reactor in solid form, and withdrawing a HCl containing gas stream from the thermohydrolysis reactor, said HCl-containing gas stream having a temperature of at least 300°C, - providing the HCl-containing gas stream with a temperature of at least 300°C to the preconcentrator, - withdrawing a HCl-containing gas stream with a temperature of at most 150°C from the preconcentrator. It has been found that the process according to the invention can be integrated into a fermentation process in such a manner that a stable and efficient process is obtained.
    • 本发明涉及一种处理MgCl 2溶液的方法,包括以下步骤:提供包含5-25重量%的MgCl 2和任选的有机污染物的水溶液至蒸发步骤,其中水和(如果有的话)有机组分被蒸发, 从蒸发步骤中取出MgCl 2浓度为25-35重量%的水溶液,并将其提供到预浓缩器中,在预浓缩器中,其与含有至少300℃温度的含HCl气体物流接触,提供水溶液 其中MgCl 2浓度为35-45重量%,由预浓缩器产生于热水解反应器,反应器处于至少300℃的温度, - 从固体形式的热水解反应器中取出MgO,并且将含HCl的气体 来自热水解反应器的流,所述含HCl的气流具有至少300℃的温度, - 提供具有至少30℃的温度的含HCl气流 0°C至预浓缩器, - 从预浓缩器中取出温度至多为150°C的含HCl气体流。 已经发现,根据本发明的方法可以以获得稳定和有效的方法的方式整合到发酵过程中。