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    • 84. 发明授权
    • Electrochemical process for the preparation of nitrogen fertilizers
    • 电化学工艺制氮肥
    • US08398842B2
    • 2013-03-19
    • US13420979
    • 2012-03-15
    • Ted R. AulichEdwin S. OlsonJunhua Jiang
    • Ted R. AulichEdwin S. OlsonJunhua Jiang
    • C25B1/00C25B1/22C25B3/00
    • C05C9/00C05C1/00C25B1/00C25B3/00Y02P20/133Y02P20/134Y02P60/218
    • The present invention provides methods and apparatus for the preparation of nitrogen fertilizers including ammonium nitrate, urea, urea-ammonium nitrate, and/or ammonia utilizing a source of carbon, a source of nitrogen, and/or a source of hydrogen. Implementing an electrolyte serving as ionic charge carrier, (1) ammonium nitrate is produced via the reduction of a nitrogen source at the cathode and the oxidation of a nitrogen source at the anode; (2) urea or its isomers are produced via the simultaneous cathodic reduction of a carbon source and a nitrogen source; (3) ammonia is produced via the reduction of nitrogen source at the cathode and the oxidation of a hydrogen source at the anode; and (4) urea-ammonium nitrate is produced via the simultaneous cathodic reduction of a carbon source and a nitrogen source, and anodic oxidation of a nitrogen source. The electrolyte can be solid.
    • 本发明提供了利用碳源,氮源和/或氢源制备氮肥的方法和装置,包括硝酸铵,尿素,尿素 - 硝酸铵和/或氨。 实施用作离子电荷载体的电解质,(1)通过在阴极处还原氮源和在阳极处的氮源氧化产生硝酸铵。 (2)尿素或其异构体通过碳源和氮源的同时阴极还原产生; (3)通过在阴极处还原氮源和在阳极处的氢源的氧化产生氨; 和(4)通过碳源和氮源的同时阴极还原和氮源的阳极氧化来生产硝酸铵 - 硝酸铵。 电解质可以是固体。
    • 87. 发明申请
    • PROCESS FOR WORKUP OF A CARBON DIOXIDE-RICH GAS TO BE FREED OF SULFUR COMPONENTS
    • 二氧化碳气体的工作过程由硫磺组分
    • US20130022534A1
    • 2013-01-24
    • US13638428
    • 2011-03-22
    • Johannes Menzel
    • Johannes Menzel
    • B01D53/14
    • B01D53/1418B01D53/1425B01D53/1462B01D53/77B01D2257/304B01D2257/306B01D2257/308C01B17/0404C01B17/0408Y02C10/04Y02C10/06Y02P20/133Y02P20/152
    • A process for workup of an industrial carbon dioxide-rich gas to be freed of sulfur components, in which an industrial gas to be freed of sulfur components is purified by a gas scrubbing, and the laden solvent is freed of carbon dioxide and hydrogen sulfide by a regeneration to obtain at least one acid gas fraction having a relatively high content of sulfur components, and the fraction with the highest hydrogen sulfide (H2S) content is supplied to a Claus plant with downstream Claus process gas hydrogenation, and at least one carbon dioxide-laden, low-hydrogen sulfide acid gas fraction from the regeneration device, which has a reduced sulfur content compared to the fraction with the highest hydrogen sulfide (H2S) content, is combined with the hydrogenated Claus process gas to give a combined process gas stream, which is supplied to further processing or to recycling into the process.
    • 一种无需硫组分的工业二氧化碳富含气体的处理方法,其中通过气体洗涤来净化除去硫成分的工业气体,并且通过下述方法将负载的溶剂除去二氧化碳和硫化氢 获得具有相对高的硫成分含量的至少一种酸性气体馏分的再生,并且具有最高硫化氢(H 2 S)含量的馏分被供应到具有下游克劳斯工艺气体氢化的克劳斯工厂,并且至少一种二氧化碳 与来自硫化氢(H 2 S)含量最高的馏分硫含量相比,来自再生装置的低硫化氢酸性气体馏分与氢化Claus工艺气体组合,得到组合工艺气流 ,其被提供用于进一步处理或回收到该过程中。
    • 90. 发明申请
    • Method and Systems Thereof of Ecologically Carbon Dioxide-Neutral Methanation
    • 生态二氧化碳 - 中性甲烷化方法及系统
    • US20120259025A1
    • 2012-10-11
    • US13369501
    • 2012-02-09
    • Qingchun Zhao
    • Qingchun Zhao
    • C07C27/00B01J19/00
    • C25B1/04C25B15/08Y02E60/366Y02E70/10Y02P20/133
    • The invention presented herein is an integrated method and the systems based on the said method, which utilize renewable energy, or any energy the production of which emits little or no carbon dioxide (CO2), or the syngas produced from the said method, for generating electricity that powers the said systems; convert CO2 collected from either the open air or any CO2 emission sites into methane by reacting CO2 with hydrogen produced with no or little CO2 emission; store or transport methane or natural gas making use of the existing natural gas distribution system; providing a novel approach of using and expanding the usage of renewable energy; providing an ecologically CO2-neutral natural gas resource which allows human society to keep being driven by hydrocarbon fuels while not worrying about global warming.
    • 本文提出的本发明是一种综合方法,并且基于所述方法的系统,其利用可再生能源或其生产几乎不产生或不产生二氧化碳(CO 2)的任何能量或由所述方法产生的合成气用于产生 为所述系统提供电力; 将二氧化碳与没有或少量二氧化碳排放产生的氢气反应,将从露天或任何二氧化碳排放点收集的二氧化碳转化为甲烷; 使用现有天然气配送系统储存或运输甲烷或天然气; 提供使用和扩大可再生能源利用的新方法; 提供生态二氧化碳中和天然气资源,使人类社会不受碳氢燃料驱动,而不用担心全球变暖。