Process for the organotemplate-free synthetic production of a zeolitic material using recycled mother liquor
    81.
    发明授权
    Process for the organotemplate-free synthetic production of a zeolitic material using recycled mother liquor 有权
    使用回收母液的沸石材料的无机无模板合成生产方法

    公开(公告)号:US09028795B2

    公开(公告)日:2015-05-12

    申请号:US13606614

    申请日:2012-09-07

    IPC分类号: C01B39/46 C01B39/30 C01B39/02

    CPC分类号: C01B39/46 C01B39/02 C01B39/30

    摘要: The present invention relates to an organotemplate-free synthetic process for the production of a zeolitic material comprising YO2 and X2O3, wherein said process comprises the steps of (1) preparing a mixture comprising seed crystals, one or more sources for YO2, one or more sources for X2O3, and one or more solvents; (2) crystallizing the mixture obtained in step (1) to obtain a zeolitic material comprising YO2 and X2O3 as a crystallization product; wherein Y is a tetravalent element, and X is a trivalent element, and wherein at least a portion of the mother liquor obtained in step (2) is recycled to step (1) as a source for YO2, optionally after concentration of the mother liquor.

    摘要翻译: 本发明涉及一种用于生产包含YO 2和X 2 O 3的沸石材料的无有机模板合成方法,其中所述方法包括以下步骤:(1)制备包含晶种的混合物,一种或多种YO2源,一种或多种 X2O3和一种或多种溶剂的来源; (2)使步骤(1)中获得的混合物结晶,得到包含YO 2和X 2 O 3作为结晶产物的沸石材料; 其中Y是四价元素,X是三价元素,并且其中步骤(2)中获得的至少一部分母液作为YO2源再循环到步骤(1),任选地在母液浓缩之后 。

    Process for the preparation of zeolites having CHA structure
    82.
    发明授权
    Process for the preparation of zeolites having CHA structure 有权
    制备具有CHA结构的沸石的方法

    公开(公告)号:US08883119B2

    公开(公告)日:2014-11-11

    申请号:US13511755

    申请日:2010-11-23

    摘要: A process for the preparation of zeolites having CHA framework structure and a composition comprising the molar ratio (n Si02):X203, wherein X is a trivalent element, and wherein n is at least 10, the process comprising (i) preparation of an aqueous solution containing at least one source for X203, wherein X is selected from Al, B, Ga, and a mixture of two or more, and at least one source for Si02, at least one organic structure directing agent (SDA) other than Tetramethylammonium hydroxide (TMAOH), acting as a template for the CHA structure, and Tetramethylammonium hydroxide (TMAOH), wherein the SDA or mixtures thereof are employed in such amounts that the aqueous solution in (i) exhibits a molar ratio of SDA:TMAOH of 0.01 to 5; (ii) hydrothermal crystallization of the aqueous solution according to (i); wherein the aqueous solution of (i) contains copper in an amount less than 0.005 Cu:((n O2):X2O3) where n is in the range of 10 to 50.

    摘要翻译: 一种制备具有CHA骨架结构的沸石和包含摩尔比(n SiO 2):X 2 O 3的组合物的方法,其中X是三价元素,并且其中n至少为10,所述方法包括(i)制备水性 其中X选自Al,B,Ga,以及两种或更多种的混合物和至少一种SiO 2源,至少一种除四甲基氢氧化铵以外的有机结构导向剂(SDA) (TMAOH)作为CHA结构的模板,和四甲基氢氧化铵(TMAOH),其中SDA或其混合物的使用量使得(i)中的水溶液的SDA:TMAOH摩尔比为0.01〜 5; (ii)根据(i)的水溶液的水热结晶; 其中(i)的水溶液含有小于0.005 Cu:((n O 2):X 2 O 3)的铜,其中n在10至50的范围内。

    Ad-hoc trust establishment using visual verification
    84.
    发明授权
    Ad-hoc trust establishment using visual verification 有权
    使用视觉验证的特设信任机构

    公开(公告)号:US08621210B2

    公开(公告)日:2013-12-31

    申请号:US12146774

    申请日:2008-06-26

    摘要: Methods for ad-hoc trust establishment using visual verification are described. In a first embodiment, a visual representation of a shared data is generated on two or more devices and the visual representations generated can be visually compared by a user. This method can be used to verify that the correct devices are involved in a negotiation, when pre-existing trust relationships do not exist between the devices. The visual representation may, for example, comprise a picture with a number of different elements, each representing a part of the shared data. In another embodiment, a method of secure key exchange is described in which, before sharing the keys, the parties exchange information which encapsulates the key. This information can be used subsequently to check that a party has not changed the key that they are using and prevents a man in the middle attack.

    摘要翻译: 描述了使用视觉验证的即席信任建立方法。 在第一实施例中,在两个或多个设备上生成共享数据的视觉表示,并且可以由用户视觉地比较生成的视觉表示。 当设备之间不存在预先存在的信任关系时,此方法可用于验证正确的设备是否参与协商。 视觉表示可以例如包括具有多个不同元素的图像,每个图像表示共享数据的一部分。 在另一个实施例中,描述了一种安全密钥交换方法,其中在共享密钥之前,双方交换封装密钥的信息。 随后可以使用此信息来检查一方是否没有改变他们正在使用的密钥,并防止中间人员发生攻击。

    Method for purifying supply flows containing aromates by means of zeolites
    85.
    发明授权
    Method for purifying supply flows containing aromates by means of zeolites 有权
    通过沸石净化含芳烃的供应流的方法

    公开(公告)号:US08536398B2

    公开(公告)日:2013-09-17

    申请号:US11663326

    申请日:2005-09-15

    IPC分类号: C07C7/13 C07C2/66

    CPC分类号: C07C7/13 C07C2/66 C07C15/073

    摘要: Processes suitable for purifying aromatic-containing feed streams, and processes using such purified streams are described, wherein the purification processes comprise: (a) providing a process feedstream comprising an aromatic component; and (b) bringing the process feedstream into contact with a first zeolite and a second zeolite; wherein the first zeolite has a mean pore size of 0.3 to 0.5 nm, and wherein the second zeolite has a mean pore size of 0.6 to 0.8 nm.

    摘要翻译: 描述了适用于纯化含芳族物质进料流的方法和使用这种纯化物流的方法,其中纯化方法包括:(a)提供包含芳族成分的工艺原料流; 和(b)使工艺原料流与第一沸石和第二沸石接触; 其中所述第一沸石的平均孔径为0.3〜0.5nm,其中所述第二沸石的平均孔径为0.6〜0.8nm。

    Process For Preparing A Porous Metal-Organic Framework Composed Of Zinc Methylimidazolate
    87.
    发明申请
    Process For Preparing A Porous Metal-Organic Framework Composed Of Zinc Methylimidazolate 有权
    制备由甲基咪唑锌组成的多孔金属有机结构的方法

    公开(公告)号:US20130012717A1

    公开(公告)日:2013-01-10

    申请号:US13542971

    申请日:2012-07-06

    IPC分类号: C07F3/06

    CPC分类号: C07F3/06

    摘要: Described is a process for preparing a porous metal-organic framework comprising at least one at least bidentate organic compound coordinated to at least one metal ion, where the at least one metal ion is a zinc ion and the at least one at least bidentate organic compound is based on 2-methylimidazole, which comprises the steps (a) addition of a first water-based solution comprising zinc ions to a second water-based solution comprising 2-methylimidazole, with a suspension being formed after addition of the second solution; (b) addition of a third solution comprising a strong base to the suspension formed in step (a).

    摘要翻译: 描述了一种制备多孔金属 - 有机骨架的方法,所述多孔金属 - 有机骨架包含至少一种与至少一种金属离子配位的至少二齿有机化合物,其中所述至少一种金属离子是锌离子,并且所述至少一种至少二齿有机化合物 是基于2-甲基咪唑,其包括以下步骤:(a)在包含2-甲基咪唑的第二水性溶液中加入包含锌离子的第一水性溶液,在加入第二溶液后形成悬浮液; (b)向步骤(a)中形成的悬浮液中加入包含强碱的第三溶液。