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公开(公告)号：US5155081A
公开(公告)日：1992-10-13
申请号：US730756
申请日：1991-07-16
申请人： Werner Steigleiter , Wolfgang Hoelderich , Franz-Josef Weiss , Hugo Fuchs , Luc Guns , Gerald Neubauer , Josef Ritz
发明人： Werner Steigleiter , Wolfgang Hoelderich , Franz-Josef Weiss , Hugo Fuchs , Luc Guns , Gerald Neubauer , Josef Ritz
CPC分类号： C01B21/1418 , B01J21/18 , B01J23/42
摘要： A platinum-on-graphite catalyst having a platinum content of from 0.01 to 5% w/w, wherein the graphite support has an apparent density of from 1.7 to 2.2 g/ml and the use thereof as a hydrogenation catalyst.
摘要翻译： 铂含量为0.01〜5％w / w的铂 - 石墨催化剂，其中石墨载体的表观密度为1.7〜2.2g / ml，其用作氢化催化剂。
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公开(公告)号：US4889704A
公开(公告)日：1989-12-26
申请号：US184085
申请日：1988-04-20
申请人： Hugo Fuchs , Josef Ritz , Erwin Thomas , Franz-Josef Weiss
发明人： Hugo Fuchs , Josef Ritz , Erwin Thomas , Franz-Josef Weiss
CPC分类号： C01B21/1418
摘要： Hydroxylammonium salts are prepared by catalytic reduction of nitrogen monoxide with hydrogen at elevated temperature in a dilute aqueous solution of a mineral acid in the presence, in suspension, of a supported platinum catalyst obtainable by precipitating metallic platinum from an aqueous platinum solution onto a support by means of a reducing agent in the presence of an organic chelating agent and partially poisoned with sulfur.
摘要翻译： 羟基铵盐通过在无水酸的稀的水溶液中在氢气的一个一氧化碳中催化还原一氧化氮，在悬浮液中存在的载体铂催化剂存在下，通过将金属铂从铂水溶液中沉淀到载体上而得到 在有机螯合剂存在下还原剂并用硫部分中毒的还原剂的方法。
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3.发明授权Preparation of pure hydroxylammonium salts of fatty acids of 1 to 4 carbon atoms 失效制备1至4个碳原子的脂肪酸的纯羟基铵盐
公开(公告)号：US4837362A
公开(公告)日：1989-06-06
申请号：US3658
申请日：1987-01-15
申请人： Hugo Fuchs , Franz-Josef Weiss
发明人： Hugo Fuchs , Franz-Josef Weiss
CPC分类号： C07C51/412
摘要： Pure hydroxylammonium salts of fatty acids of 1 to 4 carbon atoms are prepared by reacting hydroxylammonium sulfate and alkali metal salts of fatty acids with 1 to 4 carbon atoms in solution at elevated temperatures and separating off the hydroxylammonium salts of fatty acids of 1 to 4 carbon atoms by(a) reacting hydroxylammonium sulfate and alkali metal salts of fatty acids of 1 to 4 carbon atoms in solution in water or alkanols of 1 to 3 carbon atoms or mixtures thereof at 20.degree.-70.degree. C.,(b) evaporating the solvent out of the reaction mixture to obtain a dry residue,(c) isolating the hydroxlammonium salts of fatty acids of 1 to 4 carbon atoms from the dry residue thus obtained by sublimation under reduced pressure.
摘要翻译： 1〜4个碳原子的脂肪酸的纯羟基铵盐是通过羟基硫酸铵与脂肪酸的碱金属盐在溶液中在高温下反应而制成的，分离出1至4个碳原子的脂肪酸的羟基铵盐 原子通过（a）使羟基硫酸铵和1至4个碳原子的脂肪酸的碱金属盐在1至3个碳原子的水或链烷醇或其混合物的溶液中在20℃-70℃下反应，（b）将 溶剂从反应混合物中得到干燥残余物，（c）从减压升华得到的干燥残余物中分离出1至4个碳原子的脂肪酸的羟基铵盐。
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4.发明授权Method of use of a hydrogenation catalyst based on a platinum metal partially poisoned with finely divided sulfur 失效使用基于铂金属的氢化催化剂的使用方法，该金属金属部分地被细分的硫磺中毒
公开(公告)号：US5560895A
公开(公告)日：1996-10-01
申请号：US511735
申请日：1995-08-07
摘要： A process of use of hydrogenation catalyst, obtainable by carrying out essentially the following steps:(a) treatment of a platinum metal salt with finely divided sulfur followed by(b) reduction of the platinum metal salt to metallic platinum metal.
摘要翻译： 一种使用氢化催化剂的方法，其通过基本上进行以下步骤获得：（a）用细碎的硫处理铂金属盐，然后（b）将铂金属盐还原成金属铂金属。
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公开(公告)号：US5236685A
公开(公告)日：1993-08-17
申请号：US919334
申请日：1992-07-27
申请人： Hugo Fuchs , Franz-Josef Weiss , Josef Ritz
发明人： Hugo Fuchs , Franz-Josef Weiss , Josef Ritz
IPC分类号： B01J23/644 , B01J23/42 , B01J37/03 , C01B21/14
CPC分类号： C01B21/1418 , B01J23/42 , B01J37/031
摘要： A process for the preparation of hydroxylammonium salts by the reduction of nitrogen oxide (NO) with hydrogen in dilute aqueous mineral acid in the presence of a suspended platinum catalyst which is partially poisoned with arsenic, at elevated temperature, wherein the catalyst used is one which has been produced by precipitation of metallic platinum from an aqueous solution on to a suspended support in the presence of an oxidic arsenic compound, by means of a reducing agent.
摘要翻译： 一种在悬浮铂催化剂存在下，在稀盐酸水溶液中，用氢还原氮氧化物（NO）制备羟基铵盐的方法，该悬浮铂催化剂在高温下被砷部分中毒，其中使用的催化剂是 通过还原剂将金属铂从水溶液中沉淀在悬浮载体上，在氧化砷化合物的存在下生成。
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6.发明授权
公开(公告)号：US5639706A
公开(公告)日：1997-06-17
申请号：US511736
申请日：1995-08-07
摘要： A hydrogenation catalyst, obtainable by carrying out essentially the following steps:(a) treatment of a platinum metal salt with finely divided sulfur followed by(b) reduction of the platinum metal salt to metallic platinum metal.
摘要翻译： 一种氢化催化剂，可通过基本上进行以下步骤得到：（a）用细碎的硫处理铂金属盐，然后（b）将铂金属盐还原为金属铂金属。
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公开(公告)号：US4778669A
公开(公告)日：1988-10-18
申请号：US5700
申请日：1987-01-22
申请人： Hugo Fuchs , Franz-Josef Weiss , Erwin Thomas , Josef Ritz
发明人： Hugo Fuchs , Franz-Josef Weiss , Erwin Thomas , Josef Ritz
IPC分类号： C01B21/14
CPC分类号： C01B21/1445
摘要： Aqueous solutions of free hydroxylamine are prepared by a process in which(a) hydroxylammonium sulfate is reacted with ammonia in a lower alkanol as solvent, and a solution of free hydroxylamine and solid ammonium sulfate with residues of hydroxylammonium sulfate is obtained,(b) solid ammonium sulfate and hydroxylammonium sulfate are separated off from the resulting reaction mixture, and an alcoholic solution of free hydroxylamine is obtained as the filtrate,(c) a stabilizer and water are added to the resulting alcoholic solution of free hydroxylamine, and(d) the alkanol is distilled off from the alcoholic solution containing free hydroxylamine, the stabilizer and water.
摘要翻译： 通过以下方法制备游离羟胺的水溶液：（a）硫羟酸铵与氨在低级烷醇作为溶剂中反应，得到游离羟胺和固体硫酸铵与硫酸氢铵残基的溶液，（b）固体 从得到的反应混合物中分离出硫酸铵和硫酸氢氧化铵，得到游离羟胺的醇溶液作为滤液，（c）向得到的游离羟胺的醇溶液中加入稳定剂和水，（d） 从含有游离羟胺，稳定剂和水的醇溶液中蒸馏出链烷醇。
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公开(公告)号：US5143872A
公开(公告)日：1992-09-01
申请号：US730757
申请日：1991-07-16
申请人： Franz-Josef Weiss , Hugo Fuchs
发明人： Franz-Josef Weiss , Hugo Fuchs
摘要： A method of regenerating noble metal catalysyts used for the catalytic reduction of nitrogen oxide with hydrogen, wherein the noble metal catalyst is treated with an aqueous alkaline solution having a pH of more than 9.
摘要翻译： 一种再生贵金属催化剂的方法，其用于用氢催化还原氮氧化物，其中贵金属催化剂用pH大于9的碱性水溶液处理。
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公开(公告)号：US5120699A
公开(公告)日：1992-06-09
申请号：US730758
申请日：1991-07-16
申请人： Franz-Josef Weiss , Hugo Fuchs , Werner Steigleiter , Wolfgang Hoelderich , Luc Guns , Gerald Neubauer , Josef Ritz
发明人： Franz-Josef Weiss , Hugo Fuchs , Werner Steigleiter , Wolfgang Hoelderich , Luc Guns , Gerald Neubauer , Josef Ritz
CPC分类号： B01J21/18 , B01J23/42 , C01B21/1418 , B01J35/023
摘要： A platinum-on-graphite catalyst having a platinum content of from 0.01 to 5% w/w, wherein the graphite support has a particle size of from 1 to 600 .mu.m and the following particle size distribution:______________________________________ 183 to 600 .mu.m 15% v/v .+-. 15% absolute 68.3 to 183 .mu.m 30% v/v .+-. 20% 31.0 to 68.3 .mu.m 25% v/v .+-. 20% 17.1 to 31.0 .mu.m 15% v/v .+-. 10% 5.2 to 17.1 .mu.m 12% v/v .+-. 10% .sup.
摘要翻译： 铂含量为0.01〜5％w / w的铂 - 石墨催化剂，其中石墨载体的粒度为1〜600μm，粒径分布为：183〜600μm15 ％v / v +/- 15％绝对值-68.3至183μm30％v / v +/- 20％-31.0至68.3μm25％v / v +/- 20％-17.1至31.0μm15％ v / v +/- 10％ - 5.2至17.1μm12％v / v +/- 10％ - <5.2μm5％v / v +/- 5％。 -
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10.发明授权
公开(公告)号：US4997635A
公开(公告)日：1991-03-05
申请号：US521031
申请日：1990-05-09
申请人： Hugo Fuchs , Gerald Neubauer , Josef Ritz , Franz-Josef Weiss
发明人： Hugo Fuchs , Gerald Neubauer , Josef Ritz , Franz-Josef Weiss
IPC分类号： C01B21/14
CPC分类号： C01B21/1472
摘要： Crystalline hydroxylammonium sulfate is prepared by a process which comprises the following steps:(a) Bringing an aqueous solution which contains from 0.02 to 0.3 part by weight of ammonium sulfate and from 0.02 to 0.2 part by weight of sulfuric acid per part by weight of hydroxylammonium sulfate into contact with a basic ion exchanger and obtaining a solution which has a pH of from 3.0 to 4.0,(b) separating off the basic ion exchanger from the aqueous hydroxylammonium sulfate solution,(c) evaporating down the resulting aqueous hydroxylammonium sulfate solution under reduced pressure at
摘要翻译： 通过包括以下步骤的方法制备结晶羟基硫酸铵：（a）将含有0.02至0.3重量份硫酸铵和0.02至0.2重量份硫酸的水溶液相对于每重量份的羟基铵 硫酸盐与碱性离子交换剂接触，得到pH为3.0〜4.0的溶液，（b）从羟基硫酸铵水溶液中分离碱式离子交换剂，（c）将所得的羟基硫酸铵水溶液 在<100℃下减压，得到浓硫酸羟基铵溶液，（d）结晶出不超过70重量％的存在于水溶液中的羟基硫酸铵，得到结晶羟基硫酸铵和母液，（e ）从母液中分离和结晶的羟基硫酸铵。
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