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    • 2. 发明授权
    • Method for processing used oil
    • 二手油处理方法
    • US4522707A
    • 1985-06-11
    • US572543
    • 1984-01-20
    • Ernst KriegelHubert Coenen
    • Ernst KriegelHubert Coenen
    • B01D11/04C10M175/00C10M11/00
    • B01D11/0407C10M175/005
    • A method for processing a used oil which comprises about 70 percent by weight spindle and neutral oils, about 5 percent by weight lower and higher boiling point oils, about 10 percent by weight useful additives and oxidation products, about 10 percent by weight water, about 5 percent by weight difficultly volatile and nonvolatile hydrocarbons, and solid impurities, comprising: (a) dewatering the used oil; (b) contacting the dewatered used oil with a gas in a supercritical state, at a temperature above the critical temperature and at a pressure from its critical pressure up to about 350 bar to form (1) a gaseous extraction phase containing the spindle and neutral oils and the additives, the spindle and neutral oils and substantially all the additives being extracted into the gaseous extraction phase during the contact with the supercritical gas and (2) an extraction residue; (c) separating the gaseous extraction phase from the extraction residue; and (d) separating the extracted spindle and neutral oils and the extracted additives from the gaseous extraction phase obtained in step (c) by changing the thermodynamic state of the gaseous extraction phase.
    • 一种用于处理废油的方法,其包含约70重量%的纺丝和中性油,约5重量%的较低沸点和较高沸点的油,约10重量%的有用添加剂和氧化产物,约10重量%的水,约 5重量%难易挥发性和非挥发性烃和固体杂质,其包括:(a)使废油脱水; (b)将脱水的废油与超临界状态的气体接触,温度高于临界温度,压力从临界压力达到约350巴,形成(1)含有主轴和中性的气态萃取相 油和添加剂,主轴和中性油以及在与超临界气体接触期间将基本上所有的添加剂提取到气态萃取相中,和(2)萃取残余物; (c)将气相萃取相与提取残余物分离; 和(d)通过改变气态萃取相的热力学状态,从步骤(c)中获得的气体萃取相中分离萃取的主轴和中性油和萃取的添加剂。
    • 9. 发明授权
    • Process and apparatus for recovering vegetable fats and oils from
oil-containing natural substances
    • 从含油天然物质中回收植物油脂的方法和设备
    • US5182406A
    • 1993-01-26
    • US683501
    • 1991-04-05
    • Hubert Coenen
    • Hubert Coenen
    • B01D11/02B01F5/00B01F7/00C11B1/06C11B1/10
    • B01F7/00808B01D11/02B01F7/00816B01F7/00825B01F7/00833C11B1/06C11B1/10
    • The process for recovering vegetable oleaginous substances from oil-containing natural substances comprises a series of continuous combined pressing and extraction steps to increase and simultaneously to guarantee a high quality product for different kinds of natural substance starting materials. This is accomplished by subjecting the natural substances, conditioned and comminuted if necessary, after mixing with a solvent phase containing some oil to an intensive processing, mixing and extraction in the shear field of at least one rotor-stator unit and subsequently feeding the resulting liquid phase, through a filter if necessary, to a distillation column. The solid phase is extracted in successive stages until a residual oil content of 1% is reached and the solvent is fed back to a solid phase in a counterflow. The process as defined in my invention is universally applicable to all fat and oil-containing natural substances using suitable fluid extraction means. An apparatus for performing this process is also provided. A variety of rotor-stator assemblies are provided for the rotor-stator unit as defined in the nature of the natural substances being processed.
    • 从含油天然物质中回收植物油性物质的过程包括一系列连续的组合加压和提取步骤,以增加并同时保证不同种类天然物质起始材料的高质量产品。 这是通过在与含有一些油的溶剂相混合后进行调理和粉碎的天然物质来进行的,以在至少一个转子 - 定子单元的剪切场中进行强化处理,混合和萃取,然后将所得液体 通过过滤器,如果需要,进入蒸馏塔。 固相连续萃取,直至达到1%的残留油含量,并将溶剂逆流反馈至固相。 本发明中定义的方法普遍适用于使用合适的流体萃取装置的所有含脂肪和油的天然物质。 还提供了一种用于执行该处理的装置。 为转子 - 定子单元提供各种转子 - 定子组件,如被处理的天然物质的性质所定义。