LiPF6-Lösungen
    13.
    发明公开
    LiPF6-Lösungen 审中-公开
    的LiPF6-Lösungen

    公开(公告)号:EP2607306A1

    公开(公告)日:2013-06-26

    申请号:EP11195638.9

    申请日:2011-12-23

    IPC分类号: C01B25/455 C01D15/00

    摘要: Die vorliegende Erfindung betrifft korrosionsarme, halogenidarme LiPF 6 -Lösungen sowie deren Verwendung in elektrochemischen Speichervorrichtungen und ein Verfahren zur Herstellung derselben.

    摘要翻译: 要求保护用至少一种氢化钙或钙金属作为添加剂处理含有LiPF 6溶液的非水性卤化物得到的六氟磷酸锂(LiPF 6)溶液,其中将LiPF 6溶解在至少一种由有机腈或有机 碳酸盐。 独立权利要求包括:(1)生产耐腐蚀的LiPF 6溶液,除去卤化物,优选氟化物离子,包括中和LiPF 6溶液和氢化钙或钙金属,然后分离不溶性成分,其中LiPF 6溶解在 至少一种由有机亚硝酸盐或碳酸盐组成的溶剂; (2)使用氢化钙或钙金属作为添加剂生产非腐蚀性LiPF 6溶液; (3)降低电化学储存装置中溶液的腐蚀性,包括使溶液中和和除去固体,其中通过在LiPF 6溶液中加入氢化钙或钙金属在溶剂中预先形成中和,所述溶剂由 有机腈或碳酸盐,然后通过过滤(优选),沉降,离心或浮选分离固体以除去作为固体存在的添加剂和/或其它物质,优选除去过量的氟化钙,氢化钙或钙金属。

    VERFAHREN ZUR HERSTELLUNG VON CHROM(III)-OXID
    17.
    发明公开
    VERFAHREN ZUR HERSTELLUNG VON CHROM(III)-OXID 审中-公开
    VERFAHREN ZUR HERSTELLUNG VON CHROM(III)-OXID

    公开(公告)号:EP2649010A1

    公开(公告)日:2013-10-16

    申请号:EP11791295.6

    申请日:2011-12-07

    IPC分类号: C01G37/00 C01G37/033 C09C1/34

    摘要: Process for preparing chromium(III) oxide, which comprises the steps: a) reaction of sodium monochromate with gaseous ammonia, more particularly at a temperature of from 200 to 800°C, b) hydrolysis of the reaction product obtained according to step a), where the pH of the water for the hydrolysis is reduced by means of an acid before the hydrolysis or that of the alkaline mother liquor is reduced by means of an acid during or after the hydrolysis to a value of from 4 to 11, preferably from 5 to 10, c) isolation of the hydrolysis product precipitated according to step b), preferably at a pH of from 4 to 11, more particularly from 5 to 10, and optionally washing and optionally drying, and d) calcination of the hydrolysis product obtained according to step c) at a temperature of from 700 to 1400°C, more particularly from 800 to 1300°C.

    摘要翻译: 制备氧化铬(III)的方法,其包括以下步骤:a)单铬酸钠与气态氨反应,更特别是在200-800℃的温度下,b)将根据步骤a)获得的反应产物水解, 其中在水解之前通过酸将水解的pH值降低或者在水解期间或之后通过酸将碱性母液的值降低至4至11的值,优选从 5至10,c)分离根据步骤b)沉淀的水解产物,优选在4至11,更特别是5至10的pH下沉淀,并且任选洗涤并任选干燥,和d)水解产物的煅烧 根据步骤c)在700-1400℃,更特别是800-1300℃的温度下获得。

    VERFAHREN ZUR REDUKTION VON SECHSWERTIGEM CHROM IN OXIDISCHEN FESTSTOFFEN
    19.
    发明公开
    VERFAHREN ZUR REDUKTION VON SECHSWERTIGEM CHROM IN OXIDISCHEN FESTSTOFFEN 有权
    VERFAHREN ZUR减少VON SECHSWITIGEM CHROM氧化物FESTSTOFFEN

    公开(公告)号:EP3218308A1

    公开(公告)日:2017-09-20

    申请号:EP15784937.3

    申请日:2015-10-14

    IPC分类号: C01G37/00

    CPC分类号: C01G37/00

    摘要: The invention relates to a method for reducing hexavalent chromium in oxidic solids, having the following steps: a) heating the oxidic solid, which contains Cr(VI), to a temperature of 600 to 1400 °C in an atmosphere containing less than 0.1 vol.% of an oxidizing gas and b) cooling the reaction product obtained according to step a) to a temperature below 100 °C in an atmosphere containing less than 0.1 vol.% of an oxidizing gas. The invention is characterized in that no reducing agents are added to the oxidic solid or to the atmosphere in steps a) and b) in the method.

    摘要翻译: 本发明涉及一种用于减少氧化固体中六价铬的方法,其具有以下步骤:a)在含有少于0.1体积%的气氛中将含有Cr(VI)的氧化固体加热至600至1400℃的温度 的氧化气体和b)在含有小于0.1体积%的氧化气体的气氛中将根据步骤a)获得的反应产物冷却至低于100℃的温度。 本发明的特征在于,在方法的步骤a)和b)中没有将还原剂加入到氧化固体或大气中。

    FEUERFESTE MATERIALIEN ENTHALTEND EINEN MISCHKRISTALL MIT SPINELL-STRUKTUR
    20.
    发明公开
    FEUERFESTE MATERIALIEN ENTHALTEND EINEN MISCHKRISTALL MIT SPINELL-STRUKTUR 审中-公开
    FEEERFESTE MATERIALIEN ENTHALTEND EINEN MISCHKRISTALL MIT SPINELL-STRUKTUR

    公开(公告)号:EP3116843A1

    公开(公告)日:2017-01-18

    申请号:EP15709207.3

    申请日:2015-03-12

    摘要: Refractory materials obtained by heating a mixture Z to at least 250°C, preferably to at least 350°C, characterized in that the mixture Z comprises the following components: * 80% to 97% by weight of a component A, where the percentages by weight are based on the total mass of components A, B and, if present, C in the mixture Z which consists to an extent of at least 80% by weight, preferably to an extent of at least 90% by weight, where the percentages by weight are based on component A, of one or more of the oxides selected from the group consisting of Al
    2 O
    3 , Zr O
    2 , Be O, Mg O, Ti O
    2 , Fe
    2 O
    3 , Cr
    2 O
    3 , La
    2 O
    3 , Ta
    2 O
    5 and SnO
    2 , and * 3% to 15% by weight of a component B, where the percentages by weight are based on the total mass of components A, B and, if present, C in the mixture Z, and component B comprises to an extent of at least 80% by weight, preferably to an extent of at least 85% by weight, more preferably to an extent of at least 90% by weight, where the percentages by weight are based on component B, a mixed crystal having spinel structure comprising at least the oxides Fe
    2 O
    3 , Al
    2 O
    3 , Mg O and Cr
    2 O
    3 , where the mixed crystal having spinel structure of component B contains * 30% to 80% by weight, preferably 40% to 68% by weight, of Fe
    2 O
    3 , * 10% to 60% by weight, preferably 15% to 43% by weight, of Al
    2 O
    3 , * 5% to 55% by weight, preferably 10% to 38% by weight, of MgO and * 5% to 55% by weight, preferably 7% to 35% by weight, of Cr
    2 O
    3 , where the percentages by weight are based on the mass of the mixed crystal having spinel structure, and * 0% to 15% by weight of a component C, where the percentages by weight are based on the total mass of components A, B and, if present, C in the mixture Z which consists to an extent of at least 86% by weight, preferably to an extent of at least 92% by weight, where the percentages by weight are based on component C, of carbon.

    摘要翻译: 通过将混合物Z加热至至少250℃,优选至少350℃获得的耐火材料,其特征在于混合物Z包含以下组分:80重量%至97重量%的组分A,其中百分比 重量百分比是基于组分A,B的总质量,如果存在,混合物Z中的C为至少80重量%,优选至少90重量%的程度,其中 重量百分比基于选自Al 2 O 3,ZrO 2,Be O,MgO,TiO 2,Fe 2 O 3,Cr 2 O 3,La 2 O 3,Ta 2 O 5和SnO 2中的一种或多种氧化物的组分A和* 3% 至15重量%的组分B,其中重量百分比基于组分A,B的总质量,如果存在,则混合物Z中的C和组分B包含至少80%的程度 重量,优选至少85重量%,更优选至少90重量%的程度,其中重量百分比 基于组分B的具有尖晶石结构的混晶,至少包含氧化物Fe 2 O 3,Al 2 O 3,MgO和Cr 2 O 3,其中具有组分B的尖晶石结构的混合晶体含有30%至80%重量比,优选40%至 68重量%的Fe 2 O 3,* 10〜60重量%,优选为15〜43重量%的Al 2 O 3,* 5〜55重量%,优选为10〜38重量%的MgO及 * 5重量%至55重量%,优选7重量%至35重量%的Cr 2 O 3,其中重量百分比基于具有尖晶石结构的混合晶体的质量,和* 0重量%至15重量% 组分C,其中重量百分比基于组分A,B的总质量,如果存在,混合物Z中的C为至少86重量%,优选至少为92重量 重量%,其中重量百分比是基于组分C的碳。