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    • 1. 发明授权
    • Process for purifying aqueous glyoxal solutions
    • 纯化乙二醛水溶液的方法
    • US08461396B2
    • 2013-06-11
    • US13251713
    • 2011-10-03
    • Petra DeckertPeter GrollBernd RumpfChristian Horn
    • Petra DeckertPeter GrollBernd RumpfChristian Horn
    • C07C45/80
    • C07C45/80C07C47/127
    • A process for purifying an aqueous glyoxal solution comprising at least one acid by extractive acid removal, comprising i) mixing and dispersion of the aqueous glyoxal solution with an ion exchanger solution comprising a tertiary amine and an organic solvent, ii) phase separation and removal of the ion exchanger solution laden with the acid from the aqueous glyoxal solution, and iii) regeneration of the ion exchanger solution by contacting with a basic compound for neutralization of the acid and removal of the basic compound, iv) mixing and dispersion of the ion exchanger solution with water to obtain a dispersion of water and ion exchanger solution, v) Phase separation and removal of the aqueous phase from the ion exchanger solution in such a way that the content of the aqueous phase of the regenerated ion exchanger solution is
    • 一种用于通过除去酸去除包含至少一种酸的乙二醛水溶液的方法,包括:i)将乙二醛水溶液与包含叔胺和有机溶剂的离子交换剂溶液混合和分散,ii)相分离和除去 所述离子交换剂溶液含有来自乙二醛水溶液的酸,和iii)通过与用于中和酸和碱性化合物的去除的碱性化合物接触来再生离子交换剂溶液,iv)离子交换剂的混合和分散 溶液,以获得水和离子交换剂溶液的分散体,v)从离子交换剂溶液中相分离和除去水相,使得再生离子交换剂溶液的水相含量<1% 并将离子交换剂溶液再循环到步骤i)中。
    • 2. 发明授权
    • Device for supplying electrical power to a fuel pump of a motor vehicle internal combustion engine
    • 用于向机动车内燃机的燃料泵供电的装置
    • US07830108B2
    • 2010-11-09
    • US11632620
    • 2005-07-26
    • Bernd Rumpf
    • Bernd Rumpf
    • F02D1/00
    • H02J7/0065B60R16/03
    • A device (1) for supplying electric current to the fuel pump (2) of a motor vehicle internal combustion engine (3) comprises a DC/DC converter (13) which increases voltage to a predetermined value in the event of a voltage drop of a direct current source (7). This ensures an adequate voltage supply of the fuel pump (2) even at low voltages of the direct voltage source. When the voltage (15) of the direct voltage source (7) is sufficient, the DC/DC converter (13) is bridged, so that the fuel pump (2) is directly supplied with fuel from the direct voltage source (7). The DC/DC converter is also bridged when the device is faulty.
    • 一种用于向汽车内燃机(3)的燃料泵(2)供给电流的装置(1)包括DC / DC转换器(13),其在电压下降时将电压增加到预定值 直流电源(7)。 这样即使在直流电压源的低电压下也能确保燃料泵(2)的足够的电压供应。 当直流电压源(7)的电压(15)足够时,DC / DC转换器(13)被桥接,使燃料泵(2)直接从直流电源(7)供给燃料。 当设备故障时,DC / DC转换器也桥接。