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    • 6. 发明申请
    • TANTALUM RECOVERY METHOD
    • TANTALUM恢复方法
    • US20130336858A1
    • 2013-12-19
    • US14002351
    • 2012-03-16
    • Tatsuya AokiKenji Matsuzaki
    • Tatsuya AokiKenji Matsuzaki
    • C22B34/24
    • C22B34/24C22B1/005C22B7/007Y02P10/234
    • There is provided a technology for decreasing copper and tungsten contained in tantalum-containing wastes, and recovering a high-purity tantalum. The present invention is a tantalum recovery method for recovering tantalum from a tantalum-containing waste, the method comprising subjecting the tantalum-containing waste to an acid treatment in an oxidizing atmosphere, thereafter to a roasting treatment and an alkali treatment, and further comprising carrying out a magnetic separation treatment before the acid treatment to thereby separate a tantalum-containing material in the tantalum-containing waste. This is particularly a suitable recovery method for recovering tantalum from wastes containing a relatively large amount of copper and tungsten such as discarded substrates such as printed wiring boards.
    • 提供了一种用于减少含钽废物中所含的铜和钨的技术,并且回收高纯度钽。 本发明是一种用于从含钽废物中回收钽的钽回收方法,该方法包括在氧化气氛中对含钽废物进行酸处理,然后进行焙烧处理和碱处理, 在酸处理之前进行磁分离处理,从而分离含钽废物中的含钽材料。 这尤其是用于从含有相对大量铜和钨的废物中回收钽的合适的回收方法,例如诸如印刷线路板的废弃基板。
    • 7. 发明授权
    • Air cleaner assembly and method
    • 空气滤清器总成及方法
    • US08328905B2
    • 2012-12-11
    • US13029334
    • 2011-02-17
    • Kenji MatsuzakiHitoshi TakeuchiToshikazu Mochizuki
    • Kenji MatsuzakiHitoshi TakeuchiToshikazu Mochizuki
    • B01D46/46
    • B01D46/0086Y10T29/4973
    • An air filter assembly has a fan, pre-filter, a main filter, and a control circuit which generates various signals to the user as to when the pre-filter and the main filter should be replaced. The control circuit detects when the pre-filter should be replaced from two conditions: a first pre-filter replacement condition based decreased air flow, and a second pre-filter replacement condition based on cumulative operating time. The control circuit detects when the main filter should be replaced based on a formula containing a number of the occurrences of the first pre-filter replacement condition and a number of occurrences of the second pre-filter replacement condition. The control circuit also detects a main filter replacement condition based on cumulative operating time of main filter. The main filter can have a fuse that is blown when the main filter should be replaced.
    • 空气过滤器组件具有风扇,预过滤器,主过滤器和控制电路,其向用户生成关于何时更换预过滤器和主过滤器的各种信号。 控制电路检测何时应该从两个条件更换预过滤器:基于减少的空气流量的第一预过滤器更换条件和基于累积运行时间的第二预过滤器更换条件。 控制电路基于包含第一预过滤器更换条件的次数和第二预过滤器更换条件的次数的公式来检测何时应更换主过滤器。 控制电路还根据主过滤器的累积运行时间检测主过滤器更换条件。 主过滤器可以有一个保险丝,当主过滤器更换时,该熔断器被吹。