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    • 125. 发明申请
    • APPARATUS AND METHOD FOR GENERATING USEFUL ENERGY
    • 用于产生有用能量的装置和方法
    • US20140197104A1
    • 2014-07-17
    • US14343193
    • 2012-08-23
    • Elodie DAHANAnna LAROMAINE SAGUÉ
    • Elodie DAHANAnna LAROMAINE SAGUÉ
    • B01D61/06F03G7/00
    • F03G7/00B01D61/002B01D61/005B01D61/06B01D2311/10B01D2311/20B01D2311/25B01D2311/2642B01D2313/246C02F1/445C02F2303/10F03G7/005
    • An apparatus for generating useful energy includes a first chamber containing a draw solution which includes an osmotic agent and a second chamber containing a feed solution. A semi-permeable membrane allows the feed solution to move thereacross by osmosis, from the second chamber to the first chamber, to form a diluted draw solution. Pressurizing means apply a pressure to the diluted draw solution in the first chamber. Energy conversion means convert mechanical energy in the diluted draw solution, which is generated by osmotic movement of the feed solution across the semi-permeable membrane, into useful, electrical energy. The osmotic agent includes particles in the range of 0.5 nm-5 mm and the semi-permeable membrane has pores with diameters that are no larger than the diameter of the particles, thereby improving the amount of power or useful energy generated by the apparatus. There is further provided a corresponding method of generating power or useful energy.
    • 用于产生有用能量的装置包括含有包含渗透剂的溶液的第一室和包含进料溶液的第二室。 半透膜允许进料溶液通过渗透从第二室移动到第一室,形成稀释的拉伸溶液。 加压装置对第一室中的稀释的溶液施加压力。 能量转换是指通过进料溶液通过半渗透膜的渗透运动而产生的稀释液中的机械能转化为有用的电能。 渗透剂包括在0.5nm-5mm范围内的颗粒,并且半透膜具有直径不大于颗粒直径的孔,从而改善由该装置产生的功率或有用能量。 还提供了产生功率或有用能量的相应方法。
    • 126. 发明授权
    • Osmotic desalination process
    • 渗透脱盐工艺
    • US08753514B2
    • 2014-06-17
    • US13086050
    • 2011-04-13
    • Robert L. McGinnis
    • Robert L. McGinnis
    • B01D61/00B01D63/00B01D11/00C02F1/44
    • B01D61/002B01D61/005C02F1/02C02F1/44C02F1/445C02F2103/08Y02A20/131Y02W10/33Y02W10/37
    • An energy efficient desalination process that does not produce waste products involves the extraction of water from a first solution, such as seawater, by using a second concentrated solution to draw the water from the first solution across a semi-permeable membrane. By manipulating the equilibrium of the soluble and insoluble species of solute within the second solution in favor of the soluble species of the solute, a saturated second solution can be used to generate osmotic pressure on the first solution. Also, by adjusting the equilibrium in favor of the less soluble species after the water has been drawn from the first solution, a portion of the solute can easily be precipitated out. Heating the second solution decomposes the solute into its constituent gases. The constituent gases and precipitated solute may be recycled through the process to affect the changes in equilibrium and eliminate waste products. Additionally, by using the waste steam from industrial sources and a heat pump to effectively distribute heat through the present method, the present method exhibits greater energy efficiency than prior art methods.
    • 不产生废物的能量高效脱盐方法涉及通过使用第二浓缩溶液从第一溶液中通过半透膜抽出水从第一溶液(例如海水)中提取水。 通过操纵第二溶液中可溶性和不溶性溶质的平衡,有利于溶质的可溶性物质,可以使用饱和的第二溶液在第一溶液上产生渗透压。 此外,通过在从第一溶液中抽出水后,通过调节有利于较少溶解物质的平衡,溶质的一部分可以容易地沉淀出来。 加热第二溶液将溶质分解成其组成气体。 组分气体和沉淀溶质可以通过该过程再循环,以影响平衡的变化并消除废物。 此外,通过使用来自工业源的废蒸汽和热泵通过本方法有效地分配热量,本方法比现有技术方法显示出更大的能量效率。
    • 127. 发明授权
    • Solvent removal
    • 溶剂去除
    • US08652333B2
    • 2014-02-18
    • US13132826
    • 2009-12-08
    • Peter Nicoll
    • Peter Nicoll
    • B01D11/00B01D61/00C02F1/44
    • B01D61/002B01D61/005B01D61/025B01D61/027B01D61/58B01D2315/12C02F1/441C02F1/442C02F1/445
    • A process for removing a solvent from a source solution, said process comprising a) contacting the source solution with one side of a selectively permeable membrane, b) contacting a draw solution having a higher osmotic pressure (higher solute concentration) than the source solution with the opposite side of the membrane, such that solvent from the source solution passes across the membrane to dilute the draw solution by direct osmosis, c) removing solvent from the diluted draw solution to regenerate the draw solution, and d) recycling the regenerated draw solution to step a), characterized in that a portion of the draw solution is discarded or treated before and/or after the draw solution is regenerated in step c) so as to reduce the concentration of any solute species present in the draw solution from the source solution.
    • 一种从源溶液中除去溶剂的方法,所述方法包括:a)使源溶液与选择性渗透膜的一侧接触,b)将具有比源溶液更高的渗透压(较高溶质浓度)的溶液与 使得来自源溶液的溶剂通过膜通过直接渗透稀释拉伸溶液,c)从稀释的溶液中除去溶剂以再生拉伸溶液,以及d)将再生的拉伸溶液再循环 至步骤a),其特征在于,在步骤c)中,在将溶液再生之前和/或之后,将一部分所述牵引溶液丢弃或处理,以便降低来自所述源的所述溶液中存在的任何溶质物质的浓度 解。