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1. 发明授权

US5811628A Method for the complete hydrodechlorination of chlorinated hydrocarbons 失效
标题翻译：氯代烃完全加氢脱氯的方法
公开(公告)号：US5811628A
公开(公告)日：1998-09-22
申请号：US504628
申请日：1995-07-20
申请人： Klaus Weber , Rainer Schoedel , Peter Birke , Reinhard Geyer , Ulrich Neumann , Werner Haertwig , Gerhard Vogel , Willi Sattelmayer , Rudolf Schumann , Anette Hoppe
发明人： Klaus Weber , Rainer Schoedel , Peter Birke , Reinhard Geyer , Ulrich Neumann , Werner Haertwig , Gerhard Vogel , Willi Sattelmayer , Rudolf Schumann , Anette Hoppe
IPC分类号： A62D3/00 , B01D53/86 , B01J23/96 , B01J38/10 , B01J38/12 , C07C1/26 , B01J20/34
CPC分类号： B01J38/12 , B01D53/8662 , B01J23/96 , B01J38/10
摘要： A method for the hydrodechlorination of a reaction gas primarily composed of chlorinated hydrocarbons is carried out sequentially. A first step is advantageously carried out in a tubular reactor filled with catalyst and cooled externally, to maintain a temperature within a preferred range of 80.degree. to 230.degree. C. and a radial temperature difference of not more than 40.degree. C. Hydrogen is added to the tubular reactor with a hydrogen excess in a preferred range of 1.1 to 1.5 relative to the reaction gas, based on the stoichiometric consumption. The catalyst is present in a catalyst loading in a preferred range of 0.1 to 1.5 v/vh based on the volume of reaction gas. A fixed bed reactor is advantageously used for a second step, optimally connected in straight transit with the output of the reactor of the first step. The full-space reactor is maintained at a temperature within a preferred range of 200.degree. to 300.degree. C. and a hydrogen excess relative to the stoichiometric consumption is in a preferred range of 2 to 100. Catalyst is present in a preferred amount related to a volume of catalyst in step one according to a ratio in a range of 2:1 to 10:1. The dechlorination is preferably carried out at pressures between 1 and 50 bar. A method is further provided for regenerating deactivated catalysts without accumulation of dioxin in the waste gas, achieved by a reducing treatment, followed by an oxidizing treatment at a temperature at or above the last operating temperature of the catalyst.
摘要翻译：依次进行主要由氯代烃组成的反应气体的加氢脱氯的方法。第一步有利地在填充有催化剂的管式反应器中进行并在外部冷却，以将温度保持在80℃至230℃的优选范围和不超过40℃的径向温度差。加入氢气基于化学计量消耗，相对于反应气体，相对于反应气体，优选范围为1.1〜1.5的氢过渡到管式反应器。基于反应气体的体积，催化剂以0.1至1.5v / vh的优选范围存在于催化剂负载中。固定床反应器有利地用于第二步骤，最佳地连续地与第一步骤的反应器的输出相连。全空间反应器保持在200℃至300℃的优选范围内的温度，相对于化学计量消耗的氢过量在优选的范围为2至100.催化剂以优选的量存在根据比例在2:1至10:1的范围内的步骤1中的催化剂体积。脱氯优选在1至50巴之间的压力下进行。还提供一种方法，用于再生失活的催化剂，而不会在废气中积聚二恶英，通过还原处理实现，然后在等于或高于催化剂的最后操作温度的温度下进行氧化处理。

2. 发明授权

US5310530A Method for decreasing the sulfur content of phosphorous 失效
标题翻译：降低磷含硫量的方法
公开(公告)号：US5310530A
公开(公告)日：1994-05-10
申请号：US117884
申请日：1993-09-07
申请人： Arndt Zschalich , Rudolf Schumann
发明人： Arndt Zschalich , Rudolf Schumann
IPC分类号： C01B25/04
CPC分类号： C01B25/04
摘要： A method for purifying phosphorus to insure a low sulfur content involves intensively mixing phosphorus and concentrated sulfuric acid to form an emulsion, breaking the emulsion by contact with water or dilute sulfuric acid, and then immediately separating the phosphorus and diluted sulfuric acid. The separated phosphorus is then stored in water until further processing is desired and is characterized by a sulfur content as low as about 50 ppm.
摘要翻译：用于纯化磷以确保低硫含量的方法包括浓缩磷和浓硫酸形成乳液，通过与水或稀硫酸接触来破坏乳液，然后立即分离出磷和稀硫酸。然后将分离的磷储存在水中直至需要进一步处理，其特征在于低至约50ppm的硫含量。

3. 发明授权

US5147621A Method for stabilizing phosphorus trichloride 失效
标题翻译：稳定三氯化磷的方法
公开(公告)号：US5147621A
公开(公告)日：1992-09-15
申请号：US665512
申请日：1991-03-06
申请人： Rudolf Schumann
发明人： Rudolf Schumann
IPC分类号： C01B25/10
CPC分类号： C01B25/10
摘要： The invention relates to a method for stabilizing phosphorus trichloride. In order to delay the formation of phosphorus oxychloride in phosphorus trichloride and to reduce it to a minimum value which no longer adversely affects further processing, one or more amines which have at least two aromatic hydrocarbon groups linked to one nitrogen atom, such as diphenylamine, phenothiazine, phenyl-4-methylphenylamine and triphenylamine, are added to the phosphorus trichloride. The amines can also be added in the form of their salts, including their quaternary ammonium compounds, or their reaction products with phosphorus halides. The amounts of amines, added fall within the range of 10.sup.-6 % to 10.sup.-1 %, based on the amount of phosphorus trichloride.
摘要翻译：本发明涉及一种稳定三氯化磷的方法。为了延迟磷酰氯在三氯化磷中的形成，并将其降低至不再对进一步加工产生不利影响的最小值，一种或多种具有至少两个与一个氮原子连接的芳族烃基的胺如二苯胺，吩噻嗪，苯基-4-甲基苯基胺和三苯胺，加入到三氯化磷中。胺也可以以它们的盐的形式加入，包括它们的季铵化合物，或它们与卤化物的反应产物。基于三氯化磷的量，添加的胺的量在10-6％至10-1％的范围内。

4. 发明授权

US5296212A Method for the removal of sulfur from phosphorus 失效
标题翻译：从磷中除去硫的方法
公开(公告)号：US5296212A
公开(公告)日：1994-03-22
申请号：US871422
申请日：1992-04-21
申请人： Arndt Zschalich , Rudolf Schumann
发明人： Arndt Zschalich , Rudolf Schumann
IPC分类号： C01B25/04 , C01B25/047
CPC分类号： C01B25/04
摘要： A method for purifying white phosphorus contaminated with sulfur bound thereto involves contacting contaminated white phosphorus with water, steam, aqueous solutions, or vaporized aqueous solutions, preferably alkaline, to remove bound sulfur from the phosphorus. The purified phosphorus is characterized by a sulfur content as low as 50 ppm.
摘要翻译：用于净化被硫结合的硫被污染的白磷的方法包括将受污染的白磷与水，蒸汽，水溶液或蒸发的水溶液（优选碱性）接触，以从磷中除去结合的硫。纯化的磷的特征在于低至50ppm的硫含量。

5. 发明授权

US5147622A Method for stabilizing phosphorus trichloride 失效
标题翻译：稳定三氯化磷的方法
公开(公告)号：US5147622A
公开(公告)日：1992-09-15
申请号：US665511
申请日：1991-03-06
申请人： Rudolf Schumann
发明人： Rudolf Schumann
IPC分类号： C01B25/10
CPC分类号： C01B25/10
摘要： The invention relates to a method for the stabilization of phosphorus trichloride, wherein one or more derivatives of dithiocarbamic acids are added to the phsophorus trichloride. As derivatives, salts, esters or thiuram sulfides of the dithiocarbamic acids, individually or as a mixture, are preferred. The amounts used generally fall within the range of 10.sup.-4 % to 10.sup.-2 %, based on the amount of phosphorus trichloride. Derivatives, which are only slightly soluble in phosphorus trichloride are advantageously used in amounts of more than 10.sup.-2 %. Due to the inventive addition of derivatives of dithiocarbamic acids, the formation of phosphorus oxychloride in the phosphorus trichloride is delayed significantly and reduced to a minimum value.
摘要翻译：本发明涉及一种稳定三氯化磷的方法，其中将二硫代氨基甲酸的一种或多种衍生物加到三氯化磷中。作为二硫代氨基甲酸的衍生物，盐，酯或秋兰姆硫化物，单独或作为混合物是优选的。基于三氯化磷的量，所用量通常在10-4％至10-2％的范围内。只有微溶于三氯化磷的衍生物有利地以大于10-2％的量使用。由于本发明添加了二硫代氨基甲酸的衍生物，三氯化磷中的三氯氧化磷的形成被显着地延迟并降低到最小值。

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