PROCESS FOR REDUCING THE IMPURITIES IN LYES IN THE BAYER PROCESS
    1.
    发明申请
    PROCESS FOR REDUCING THE IMPURITIES IN LYES IN THE BAYER PROCESS 审中-公开
    减少贝氏过程中眼睛污染的过程

    公开(公告)号:WO1988007975A1

    公开(公告)日:1988-10-20

    申请号:PCT/CH1988000076

    申请日:1988-04-11

    CPC classification number: B01D61/445 C01F7/47 C01F7/473

    Abstract: In processes for reducing the dissolved inorganic and organic impurities in aqueous lyes in the Bayer process for the manufacture of aluminium hydroxide, the additives used entail cost-intensive process controls and increased lye consumption, thereby raising production costs without necessarily ensuring product quality. These drawbacks may be eliminated by subjecting the impure lye Pv to electrodialysis using at least one anion-permeable membrane and/or one cation-permeable membrane and at least one bipolar water-dissociating membrane with formation of an alkaline lye component Pr which is added to the circulating lye in the Bayer process, and an impurity component V which is removed from the process and discarded.

    Abstract translation: 在用于制造氢氧化铝的拜耳法中降低水溶液中溶解的无机和有机杂质的方法中,所用的添加剂需要成本密集的工艺控制和碱液碱的增加,从而提高生产成本,而不必保证产品质量。 可以通过使用至少一种阴离子可渗透膜和/或一种阳离子可渗透膜和至少一种形成碱性碱液组分Pr的双极水解离膜对不纯的碱液Pv进行电渗析来消除这些缺点, 拜耳法中的循环碱液和从该方法中除去的杂质成分V被丢弃。

    FUEL TANK VALVE APPARATUS
    2.
    发明申请
    FUEL TANK VALVE APPARATUS 审中-公开
    燃油罐阀装置

    公开(公告)号:WO0142692A2

    公开(公告)日:2001-06-14

    申请号:PCT/US0042457

    申请日:2000-12-01

    CPC classification number: B60K15/04 B60K2015/03453

    Abstract: A fuel tank valve apparatus includes a fuel tank (10) having an inlet neck (12) defining a valve chamber (24), a valve housing (30) positioned in the valve chamber, a valve (32) positioned to move within the valve housing (24) to regulate flow of liquid fuel into the fuel tank (10), and a retainer (29). The retainer (29) serves to couple the valve housing to the inlet neck for retaining the valve housing (30) in the inlet neck (12) and maintaining the integrity of the tank (10) and inlet material.

    Abstract translation: 燃料箱阀装置包括具有限定阀室(24)的入口颈部(12),定位在阀室中的阀壳体(30)的燃料箱(10),定位成在阀内移动的阀(32) 用于调节进入燃料箱(10)的液体燃料的流动的壳体(24)和保持器(29)。 保持器(29)用于将阀壳体连接到入口颈部,用于将阀壳体(30)保持在入口颈部(12)中并保持罐(10)和入口材料的完整性。

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