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    • 1. 发明授权
    • Process for preparation of synthetic mordenite molded body
    • 合成丝光沸石成型体的制备方法
    • US4861571A
    • 1989-08-29
    • US909246
    • 1986-09-19
    • Masashi HaradaHiroshi MiyazakiKeiji Itabashi
    • Masashi HaradaHiroshi MiyazakiKeiji Itabashi
    • C01B39/26B01J29/18C01B20060101C01B33/26
    • C01B33/2861
    • A synthetic mordenite molded body is prepared by a process wherein a starting mixture comprising, as the main components, a silica source, an alumina source, an alkali source and water is molded into a starting molded body, the molded body is calcined and the calcined molded body is heated in an aqueous solution of sodium silicate. The starting mixture has incorporated therein a mordenite seed crystal powder. When the molded body is calcined, the temperature is elevated by heating to a calcination temperature not lower than 400.degree. C. at an average rate of at least 10.degree. C./min and calcination is conducted at the calcination temperature within a time period of 2 hours. When the calcined molded body is crystallized, an aqueous solution of sodium silicate having an SiO.sub.2 concentration of 7 to 25% by weight, an Na.sub.2 O concentration of 2 to 8% by weight and an SiO.sub.2 /Na.sub.2 O molar ratio of from 0.9 to 4.0 is used as the aqueous solution of sodium silicate.
    • 合成丝光沸石成型体通过以下方法制备,其中将起始混合物作为主要成分,二氧化硅源,氧化铝源,碱源和水模制成起始成型体,将成型体煅烧并煅烧 将成型体在硅酸钠水溶液中加热。 起始混合物中掺入丝光沸石晶种粉末。 当煅烧成型体时,通过以至少10℃/分钟的平均速率加热至不低于400℃的煅烧温度升高温度,并且在煅烧温度下在煅烧温度下进行煅烧,时间为 2小时。 当煅烧成型体结晶时,使用SiO 2浓度为7〜25重量%,Na 2 O浓度为2〜8重量%,SiO 2 / Na 2 O摩尔比为0.9〜4.0的硅酸钠水溶液 作为硅酸钠水溶液。
    • 2. 发明申请
    • Adsorbing agent comprising zeolite for heat pump and method for preparation thereof and use thereof
    • 含有热泵沸石的吸附剂及其制备方法及其应用
    • US20070004591A1
    • 2007-01-04
    • US10565960
    • 2004-07-29
    • Keiji ItabashiMasashi HaradaKoichi Sato
    • Keiji ItabashiMasashi HaradaKoichi Sato
    • B01J20/00
    • B01J20/186F24F2203/1036F25B17/08
    • An adsorbent comprising zeolite exhibiting a moisture adsorption of at least 28 wt. % at 25° C. under a partial pressure of water vapor of 5 Torr, and exhibiting a moisture adsorption difference of 15-25 wt. % between a moisture adsorption at 25° C. under a partial pressure of water vapor of 5 Torr and a moisture adsorption at 100° C. under a partial pressure of water vapor of 15 Torr. This adsorbent is produced by ion-exchanging an exchangeable cation in a zeolite, and then, heat-treating the cation-exchanged zeolite in an air or nitrogen stream, or with steam. The adsorbent exhibits a large moisture adsorption at ordinary temperature under a relatively low partial pressure of water vapor and a small moisture adsorption at a relatively low regeneration temperature, and thus, has an enhanced effective moisture adsorption, and is used for a zeolite-water heat pump system and an open cycle moisture adsorption-desorption system.
    • 含有至少28重量%水分吸附的沸石的吸附剂 %,在25°C的水蒸汽分压为5乇下,表现出15-25wt。%的吸湿差。 在25乇的水分吸附下,在5乇的水蒸气的分压下,在100乇的水分吸附下,在15乇的水蒸汽的分压下进行吸湿。 该吸附剂通过在沸石中离子交换可交换阳离子,然后在空气或氮气流中或与蒸汽热处理阳离子交换的沸石来制备。 吸附剂在相对较低的水蒸气分压和较低的再生温度下的吸湿性较小的情况下,在常温下表现出大的吸湿性,因此具有增强的有效吸湿性,并用于沸石 - 水热 泵系统和开放循环水分吸附 - 解吸系统。