利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

10 条记录 (耗时 0.01 秒)

    Adsorbent for recovery of bromine and bromine-recovering process using same
    3.
    发明授权
    Adsorbent for recovery of bromine and bromine-recovering process using same 失效
    用于回收溴的吸附剂和使用其的溴回收方法

    公开(公告)号：US4748013A

    公开(公告)日：1988-05-31

    申请号：US852114

    申请日：1986-04-15

    申请人： Hiroyuki Saito ,  Kazushige Igawa

    发明人： Hiroyuki Saito ,  Kazushige Igawa

    IPC分类号： B01D53/68 ,  C01B7/09 ,  C02F1/28 ,  C01B7/00

    CPC分类号： C01B7/096

    摘要： Bromine is advantageously recovered from a free bromine-containing aqueous solution or gas by placing the solution or gas in contact with an adsorbent comprising a ZSM-5 zeolite having an SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio of at least 70 and heating the adsorbent at a temperature of at least 60.degree. C.

    摘要翻译： 有利地，通过将​​溶液或气体与包含SiO 2 / Al 2 O 3摩尔比为至少70的ZSM-5沸石的吸附剂接触而将溶液或气体从游离含溴水溶液或气体中回收，并在 至少60℃

    Process for preparation of ferrierite type zeolites
    4.
    发明授权
    Process for preparation of ferrierite type zeolites 失效
    镁碱沸石沸石的制备方法

    公开(公告)号：US4650654A

    公开(公告)日：1987-03-17

    申请号：US686409

    申请日：1984-12-26

    申请人： Junji Arika ,  Hiroshi Miyazaki ,  Kazushige Igawa ,  Keiji Itabashi

    发明人： Junji Arika ,  Hiroshi Miyazaki ,  Kazushige Igawa ,  Keiji Itabashi

    IPC分类号： C01B39/44 ,  C01B33/28

    CPC分类号： C01B39/44 ,  Y10S423/23

    摘要： A ferrierite type zeolite having a high purity and a high SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio is prepared by reacting simultaneously and continuously an aqueous sodium and/or potassium silicate solution with an aluminum-containing solution to obtain a homogeneous phase compound of a granular amorphous aluminosilicate containing Al in an amount of 3 to 14 wt. % as calculated as anhydrous Al.sub.2 O.sub.3 and Na and/or K in an amount of 1 to 17 wt. % as calculated as anhydrous Na.sub.2 O and/or K.sub.2 O; and then, crystallizing the homogeneous phase compound in the form of a slurry in water or in an aqueous sodium hydroxide and/or potassium hydroxide solution. The molar ratio of K.sup.+ to the total of (K.sup.+ +Na.sup.+) in the slurry is 0.1 to 0.9.

    摘要翻译： 通过同时连续地使含硅酸钠和/或硅酸钾水溶液与含铝溶液反应来制备具有高纯度和高SiO 2 / Al 2 O 3摩尔比的镁碱沸石型沸石，以获得含有颗粒状无定形硅铝酸盐的均相化合物， Al量为3〜14wt。 ％，以无水Al 2 O 3计，Na和/或K为1〜17重量％。 ％，以无水Na 2 O和/或K 2 O计算; 然后将浆状物形式的均相化合物在水中或氢氧化钠水溶液和/或氢氧化钾溶液中结晶。 浆料中K +与（K ++ N +）的总摩尔比为0.1〜0.9。

    Process for preparation of hydrogen-ion-exchanged dealuminated mordenite
    5.
    发明授权
    Process for preparation of hydrogen-ion-exchanged dealuminated mordenite 失效
    制备氢离子交换脱铝丝光沸石的方法

    公开(公告)号：US4745095A

    公开(公告)日：1988-05-17

    申请号：US937111

    申请日：1986-12-02

    申请人： Hiroyuki Saito ,  Takahiko Inoue ,  Kazushige Igawa

    发明人： Hiroyuki Saito ,  Takahiko Inoue ,  Kazushige Igawa

    IPC分类号： C01B39/26 ,  B01J29/18 ,  C01B39/02 ,  B01J29/08

    CPC分类号： B01J29/18 ,  C01B39/026 ,  B01J2229/16

    摘要： Hydrogen ion-exchanged dealuminated mordenite having a reduced alumina content is advantageously prepared by filtering a crystallization slurry composed of a crystallization mother liquor and synthetic sodium type mordenite and obtained when the crystallization is completed, through a filter to form a wet cake layer of the sodium type mordenite; passing through the cake layer an aqueous solution of a mineral acid having a concentration of 0.1N to 5N; and then, washing the cake layer.

    摘要翻译： 具有减少的氧化铝含量的氢离子交换的脱铝丝光沸石有利地通过过滤由结晶母液和合成钠型丝光沸石构成的结晶浆料并通过过滤器通过过滤器形成湿滤饼层而获得，当结晶完成时， 型丝光沸石 通过滤饼层将浓度为0.1N至5N的无机酸的水溶液; 然后洗涤蛋糕层。

    Process for preparation of zeolite OE having an offretite type structure
    6.
    发明授权
    Process for preparation of zeolite OE having an offretite type structure 失效
    制备具有偏色结构的沸石OE的方法

    公开(公告)号：US4687653A

    公开(公告)日：1987-08-18

    申请号：US795863

    申请日：1985-11-07

    申请人： Junji Arika ,  Kazushige Igawa ,  Keiji Itabashi

    发明人： Junji Arika ,  Kazushige Igawa ,  Keiji Itabashi

    IPC分类号： C01B33/26 ,  C01B39/30 ,  C01B33/28

    CPC分类号： C01B33/26 ,  C01B39/30 ,  Y10S423/38

    摘要： Disclosed is a zeolite having a composition of the following formula: xM.sub.2/n O.Al.sub.2 O.sub.3.(5-10)SiO.sub.2.yH.sub.2 O wherein M is at least one cation having a valency of n, and x is 0.8-2 and y is 0-10, and exhibiting an X-ray powder diffraction pattern shown in Table 1. This zeolite is prepared by a process wherein a reaction mixture comprising a silica source, an alumina source, an alkali source, a potassium source and water and having a composition satisfying the following molar ratios: SiO.sub.2 /Al.sub.2 O.sub.3 =6-40, OH/SiO.sub.2 =0.3-1, K.sub.2 O/M.sub.2 O=0.1-0.9 (M: the total of alkali metals), and H.sub.2 O/SiO.sub.2 =10-70, is crystallized at 120.degree. to 200.degree. C. with stirring. The zeolite is also prepared by a process wherein a granular amorphous aluminosilicate containing aluminum in an amount of 4 to 22 wt. % as Al.sub.2 O.sub.3 (on the anhydrous base), which is obtained by reacting an aqueous alkali metal silicate solution with an aqueous aluminum-containing solution, is incorporated in an aqueous alkali metal hydroxide solution and/or an aqueous alkali metal silicate solution, to form a mixture having a composition defined by the above-mentioned molar ratios, and the mixture is crystallized with stirring.

    摘要翻译： 公开了具有下式的组成的沸石：xM2 / nO.Al2O3。（5-10）SiO2.yH2O其中M是至少一个化合价为n的阳离子，x为0.8-2，y为0- 并表现出如表1所示的X射线粉末衍射图。该沸石是通过以下方法制备的，其中包括二氧化硅源，氧化铝源，碱源，钾源和水的反应混合物，其组成满足 以下摩尔比：SiO 2 / Al 2 O 3 = 6-40，OH / SiO 2 = 0.3-1，K 2 O / M 2 O = 0.1-0.9（M：碱金属的总量）和H 2 O / SiO 2 = 10-70， 120〜200℃搅拌。 沸石也可以通过以下方法制备：其中含有4〜22重量％的铝的粒状无定形硅铝酸盐 通过使碱金属硅酸盐水溶液与含水铝水溶液反应而获得的Al 2 O 3（在无水基底上）加入碱金属氢氧化物水溶液和/或碱金属硅酸盐水溶液中形成 具有由上述摩尔比定义的组成的混合物，并将混合物在搅拌下结晶。

    Stable calcium hypochlorite composition and method for manufacture thereof
    7.
    发明授权
    Stable calcium hypochlorite composition and method for manufacture thereof 失效
    稳定的次氯酸钙组合物及其制备方法

    公开(公告)号：US4355014A

    公开(公告)日：1982-10-19

    申请号：US152720

    申请日：1980-05-23

    申请人： Tsugio Murakami ,  Kazushige Igawa ,  Yoichi Hiraga

    发明人： Tsugio Murakami ,  Kazushige Igawa ,  Yoichi Hiraga

    IPC分类号： A01N59/00 ,  C01B11/06 ,  C02F1/76 ,  C11D3/395 ,  C01F11/24 ,  C09K3/00

    CPC分类号： A01N59/00 ,  C01B11/064 ,  C02F1/76 ,  C11D3/3951

    摘要： A stable calcium hypochlorite composition and a method for the preparation thereof. The composition has a calcium hypochlorite anhydride and/or a calcium hypochlorite dihydrate used as main constituent and comprises at least 60 wt % of calcium hypochlorite; at least 5 wt % of calcium hydroxide; at least 4 wt % of water content; and 5 wt % or less of than that calcium chloride. The composition is stable and decomposes only in a less degree at a high temperature and during storage over a long period.

    摘要翻译： 稳定的次氯酸钙组合物及其制备方法。 该组合物具有次氯酸钙和/或次氯酸钙二水合物作为主要成分，并且包含至少60重量％的次氯酸钙; 至少5重量％的氢氧化钙; 至少4重量％的含水量; 和5重量％以下的氯化钙。 该组合物是稳定的，并且在较高温度下和在长时间储存​​期间仅在较小程度上分解。

    Dihydrate of calcium hypochlorite and method for manufacture thereof
    8.
    发明授权
    Dihydrate of calcium hypochlorite and method for manufacture thereof 失效
    次氯酸钙的二水合物及其制造方法

    公开(公告)号：US4248848A

    公开(公告)日：1981-02-03

    申请号：US16981

    申请日：1979-03-02

    申请人： Tsugio Murakami ,  Mitsuo Kikuchi ,  Kazushige Igawa

    发明人： Tsugio Murakami ,  Mitsuo Kikuchi ,  Kazushige Igawa

    IPC分类号： C01B11/06 ,  C01B11/04 ,  C01F11/44

    CPC分类号： C01B11/064

    摘要： A dihydrate of calcium hypochlorite of a prismatic crystal shape in which the lengths of axes a, b and c thereof are in the ratios satisfying the following formulas (1), (2) and (3):0.5.ltoreq.b/a.ltoreq.2.0 (1)c/a.gtoreq.1.5 (2)c.gtoreq.5.mu. (3)and a method for the manufacture of the prismatic dihydrate. Further a method for the manufacture of a coarse dihydrate of calcium hypochlorite carried out by using the prismatic dihydrate of calcium hypochlorite as seed crystal.

    摘要翻译： 其中轴a，b和c的长度为满足下列公式（1），（2）和（3）的比例为0.5≤b/ a的方形晶体形式的次氯酸钙的二水合物， / = 2。