公开(公告)号：US20070265471A1

公开(公告)日：2007-11-15

申请号：US11712690

申请日：2007-02-28

申请人： Pin-To Yao ,  Cheng-Fa Hsieh ,  Ren-Hao Hsu

发明人： Pin-To Yao ,  Cheng-Fa Hsieh ,  Ren-Hao Hsu

IPC分类号： C07C239/08

CPC分类号： C01B21/1418

摘要： A method for preparing hydroxylamine, comprising the steps of: (i) pretreating the acidic buffer solution with the compounds having a functional group represented by formula (I), thereby removing metal impurities from the acidic buffer solution; and (ii) reducing nitrate ions in the acidic buffer solution with hydrogen to give hydroxylamine in the presence of catalysts, According to the present invention the selectivity for reducing nitrate ions to give hydroxylamine can be significantly enhanced.

摘要翻译： 一种制备羟胺的方法，包括以下步骤：（i）用具有由式（I）表示的官能团的化合物预处理酸性缓冲溶液，从而从酸性缓冲溶液中除去金属杂质; 和（ii）用氢还原酸性缓冲溶液中的硝酸根离子，在催化剂存在下得到羟胺。根据本发明，可显着提高还原硝酸根离子以产生羟胺的选择性。

公开(公告)号：US20110144328A1

公开(公告)日：2011-06-16

申请号：US12748932

申请日：2010-03-29

申请人： Pin-To Yao ,  Cheng-Fa Hsieh ,  Shih-Yao Chao ,  Yang-Min Liang

发明人： Pin-To Yao ,  Cheng-Fa Hsieh ,  Shih-Yao Chao ,  Yang-Min Liang

IPC分类号： C07D223/10 ,  B01J29/89

CPC分类号： C01B39/023 ,  B01J29/405 ,  C01B37/005 ,  C01B39/04

摘要： The present invention provides a method for preparing large particles of titanium-silicalite molecular sieves. The method of the present invention includes the steps of preparing a dispersion solution of a primary crystalline molecular sieve; forming an aggregated particle solution by adding a flocculating agent and a coagulating agent into the dispersion solution; mixing the aggregated particle solution with a synthesis gel to form a mixture; and heat-treating the mixture. The average diameter of the titanium-silicalite molecular sieves in the present invention is more than 5 μm. In the preparation of cyclohexanone oxime using the molecular sieve of the present invention as the catalyst, the selectivity and conversion rate of cyclohexanone oxime are high, the usage of hydrogen peroxide is enhanced, and the catalyst is easy to be recovered.

摘要翻译： 本发明提供一种制备钛 - 硅沸石分子筛大颗粒的​​方法。 本发明的方法包括制备一级结晶分子筛的分散液的步骤; 通过向分散液中添加絮凝剂和凝结剂形成凝集颗粒溶液; 将聚集的颗粒溶液与合成凝胶混合以形成混合物; 并对该混合物进行热处理。 本发明中钛 - 硅沸石分子筛的平均直径大于5μm。 在使用本发明的分子筛作为催化剂的环己酮肟的制备中，环己酮肟的选择性和转化率高，过氧化氢的用途增加，催化剂容易回收。

公开(公告)号：US07399885B2

公开(公告)日：2008-07-15

申请号：US11712690

申请日：2007-02-28

申请人： Pin-To Yao ,  Cheng-Fa Hsieh ,  Ren-Hao Hsu

发明人： Pin-To Yao ,  Cheng-Fa Hsieh ,  Ren-Hao Hsu

IPC分类号： C07C239/08

CPC分类号： C01B21/1418

摘要： A method for preparing hydroxylamine, comprising the steps of: (i) pretreating the acidic buffer solution with the compounds having a functional group represented by formula (I), thereby removing metal impurities from the acidic buffer solution; and (ii) reducing nitrate ions in the acidic buffer solution with hydrogen to give hydroxylamine in the presence of catalysts, According to the present invention the selectivity for reducing nitrate ions to give hydroxylamine can be significantly enhanced.

摘要翻译： 一种制备羟胺的方法，包括以下步骤：（i）用具有由式（I）表示的官能团的化合物预处理酸性缓冲溶液，从而从酸性缓冲溶液中除去金属杂质; 和（ii）用氢还原酸性缓冲溶液中的硝酸根离子，在催化剂存在下得到羟胺。根据本发明，可显着提高还原硝酸根离子以产生羟胺的选择性。

公开(公告)号：US09371238B2

公开(公告)日：2016-06-21

申请号：US13345089

申请日：2012-01-06

申请人： Ya-Ping Chen ,  Cheng-Fa Hsieh ,  Pin-To Yao ,  Chien-Chang Chiang

发明人： Ya-Ping Chen ,  Cheng-Fa Hsieh ,  Pin-To Yao ,  Chien-Chang Chiang

IPC分类号： C01B37/00 ,  C01B39/08 ,  C07C249/04 ,  B01J29/89

CPC分类号： C01B37/005 ,  B01J29/89 ,  C01B39/085 ,  C01B39/087 ,  C07C249/04 ,  C07C251/44

摘要： The present invention provides a titanium-silicalite molecular sieve and a method for preparing the same. The method includes the steps of preparing a mixture of a titanium source, a silicon source, a transition metal source, a template agent and water; heating the mixture to form a gel mixture; heating the gel mixture in a water bath; and calcining the gel mixture after the gel mixture in the water bath to form the titanium-silicalite molecular sieve. The present invention further provides a method for preparing cyclohexanone oxime by using the titanium-silicalite molecular sieve as the catalyst which results in high conversion rate, high selectivity and high usage efficiency of hydrogen peroxide.

摘要翻译： 本发明提供钛 - 硅沸石分子筛及其制备方法。 该方法包括制备钛源，硅源，过渡金属源，模板剂和水的混合物的步骤; 加热混合物以形成凝胶混合物; 在水浴中加热凝胶混合物; 并在凝胶混合物中在水浴中煅烧凝胶混合物以形成钛 - 硅沸石分子筛。 本发明还提供了通过使用钛 - 硅沸石分子筛作为催化剂制备环己酮肟的方法，其导致过氧化氢的高转化率，高选择性和高使用效率。

公开(公告)号：US08772194B2

公开(公告)日：2014-07-08

申请号：US13344869

申请日：2012-01-06

申请人： Shih-Yao Chao ,  Cheng-Fa Hsieh ,  Chien-Chang Chiang ,  Ya-Ping Chen ,  Pin-To Yao

发明人： Shih-Yao Chao ,  Cheng-Fa Hsieh ,  Chien-Chang Chiang ,  Ya-Ping Chen ,  Pin-To Yao

IPC分类号： B01J29/89 ,  C07C249/04

CPC分类号： B01J29/89 ,  B01J35/023 ,  C01B37/005 ,  C07C249/04 ,  C07C251/44

摘要： The present invention provides a method for preparing a large-sized titanium-silicalite molecular sieve, and a method for preparing cyclohexanone oxime using the large-sized titanium-silicalite molecular sieve. The method for preparing a large-sized titanium-silicalite molecular sieve includes preparing a mixture of a titanium source, a silicon source and a template agent; heating the mixture to form a gel mixture; mixing a colloidal silica with the gel mixture; heating the gel mixture mixed with the colloidal silica in a water bath; and calcining the gel mixture mixed with the colloidal silica. In the present invention, the average particle size of the large-sized titanium-silicalitem molecular sieve is more than 10 um, and the particle size distribution is centralized, so as to avoid the formation of titanium-oxygen-titanium bonding. The method for preparing cyclohexanone oxime using the large-sized titanium-silicalite molecular sieve results in high conversion rate, high selectivity and easy recovery.

摘要翻译： 本发明提供了制备大尺寸钛硅质分子筛的方法，以及使用大尺寸钛 - 硅沸石分子筛制备环己酮肟的方法。 制备大尺寸钛硅质岩分子筛的方法包括制备钛源，硅源和模板剂的混合物; 加热混合物以形成凝胶混合物; 将胶体二氧化硅与凝胶混合物混合; 在水浴中加热与胶体二氧化硅混合的凝胶混合物; 并煅烧与胶体二氧化硅混合的凝胶混合物。 在本发明中，大型钛硅分子筛的平均粒径为10μm以上，粒径分布集中，避免了钛 - 氧 - 钛键合的形成。 使用大尺寸钛 - 硅质分子筛制备环己酮肟的方法导致高转化率，高选择性和容易回收。

公开(公告)号：US20130041181A1

公开(公告)日：2013-02-14

申请号：US13350045

申请日：2012-01-13

申请人： Ya-Ping Chen ,  Cheng-Fa Hsieh ,  Pin-To Yao ,  Chien-Chang Chiang

发明人： Ya-Ping Chen ,  Cheng-Fa Hsieh ,  Pin-To Yao ,  Chien-Chang Chiang

IPC分类号： B01J29/89 ,  C07C249/04

CPC分类号： C07C249/04 ,  B01J29/89 ,  B01J2229/183 ,  C01B37/005 ,  C07C2601/14 ,  C07C251/44

摘要： The present invention provides a titanium-silicalite molecular sieve and a method for preparing the same. The method includes the steps of preparing a mixture of a titanium source, a silicon source, a metal source selected from IIA to IVA elements and a template agent; heating the mixture to form a gel mixture; heating the gel mixture in a water bath; and calcining the gel mixture after the gel mixture in the water bath to form the titanium-silicalite molecular sieve. The present invention further provides a method for preparing cyclohexanone oxime by using the titanium-silicalite molecular sieve as the catalyst which results in high conversion rate, high selectivity and high usage efficiency of hydrogen peroxide.

摘要翻译： 本发明提供钛 - 硅沸石分子筛及其制备方法。 该方法包括以下步骤：制备钛源，硅源，选自IIA至IVA元素的金属源和模板剂的混合物; 加热混合物以形成凝胶混合物; 在水浴中加热凝胶混合物; 并在凝胶混合物中在水浴中煅烧凝胶混合物以形成钛 - 硅沸石分子筛。 本发明还提供了通过使用钛 - 硅沸石分子筛作为催化剂制备环己酮肟的方法，其导致过氧化氢的高转化率，高选择性和高使用效率。

公开(公告)号：US08367865B2

公开(公告)日：2013-02-05

申请号：US12627681

申请日：2009-11-30

申请人： Tung-Han Tsai ,  Cheng-Fa Hsieh ,  Chi-Yuan Chen

发明人： Tung-Han Tsai ,  Cheng-Fa Hsieh ,  Chi-Yuan Chen

IPC分类号： C07C231/04 ,  B01J31/04

CPC分类号： C07C231/10 ,  B01J31/0201 ,  B01J31/0202 ,  B01J31/0209 ,  B01J31/0217 ,  B01J31/0218 ,  B01J31/0222 ,  B01J31/0238 ,  B01J31/0247 ,  B01J31/0251 ,  B01J31/0279 ,  B01J31/0285 ,  C07B43/06 ,  C07C229/24 ,  C07D201/04 ,  C07D223/10

摘要： The present invention provides a catalyst composition for preparing an amide, including an amino acid ionic liquid having a cation of formula (I) and an anion selected from the group consisting of an inorganic acid group, an organic acid group and a combination thereof, wherein the numbers of the anion and the cation are such that the amino acid ionic liquid is electroneutral; and a Bronsted acid. The present invention also provides a method for preparing an amide in the presence of the catalyst composition, and the method has advantages such as decreasing viscosity of ionic liquid, and increasing conversion rate of ketoximes and selectivity of amides.

摘要翻译： 本发明提供一种制备酰胺的催化剂组合物，其包括具有式（I）的阳离子的氨基酸离子液体和选自无机酸基，有机酸基及其组合的阴离子，其中 阴离子和阳离子的数量使得氨基酸离子液体是电中性的; 和布朗斯台德酸。 本发明还提供了在催化剂组合物存在下制备酰胺的方法，该方法具有降低离子液体的粘度，提高酮肟的转化率和酰胺选择性的优点。

公开(公告)号：US20120184733A1

公开(公告)日：2012-07-19

申请号：US13332834

申请日：2011-12-21

申请人： Tung-Han Tsai ,  Cheng-Fa Hsieh ,  Hung-Hung Hseuh ,  Chien-Chuan Shih

发明人： Tung-Han Tsai ,  Cheng-Fa Hsieh ,  Hung-Hung Hseuh ,  Chien-Chuan Shih

IPC分类号： C07D201/04 ,  B01J31/02

CPC分类号： C07D201/04 ,  B01J31/0237 ,  B01J31/0244 ,  B01J2231/52 ,  C07C231/10 ,  Y02P20/584 ,  C07C233/07 ,  C07C233/05

摘要： The present invention provides a method for preparing an amide. The method includes the steps of performing in a reactor including a catalyst composition having a nitrogen-containing heterocyclic compound and sulfuric acid Beckman rearrangement of a ketoxime to form a product stream having the amide, wherein a molar ratio of the nitrogen-containing heterocyclic compound to the sulfuric acid is from 1:1 to 1:8; and separating an organic phase having the amide and an aqueous phase having the catalyst composition from the product stream. The present invention facilitates the regeneration of the catalyst composition with low water content, so as to increase the conversion rate of a ketoxime and the selectivity of an amide.

摘要翻译： 本发明提供一种制备酰胺的方法。 该方法包括以下步骤：在包括具有含氮杂环化合物的催化剂组合物和酮肟的硫酸贝克曼重排反应器的反应器中进行，以形成具有酰胺的产物流，其中含氮杂环化合物与 硫酸为1:1至1:8; 并从产物流中分离出具有酰胺的有机相和具有催化剂组成的水相。 本发明有助于低水含量的催化剂组合物的再生，从而提高酮肟的转化率和酰胺的选择性。

公开(公告)号：US20090324480A1

公开(公告)日：2009-12-31

申请号：US12459784

申请日：2009-07-08

申请人： Shu-Hung Yang ,  Cheng-Fa Hsieh ,  Yi-Bau Hung

发明人： Shu-Hung Yang ,  Cheng-Fa Hsieh ,  Yi-Bau Hung

IPC分类号： C01B21/14

CPC分类号： C01B21/1418

摘要： Provided is a method for manufacturing hydroxylamine. In this method, an aqueous reaction medium containing acidic buffer agent and nitrate ions in the presence of a limited amount of metal impurities such as Fe or Cu is introduced into a hydroxylamine synthesis reactor in the presence of catalyst to proceed hydroxylamine synthesis by reduction of nitrate ions with hydrogen gas as reducing agent in the aqueous reaction medium to produce hydroxylamine. The reaction is processed in the aqueous reaction medium with a limited amount of metal impurities or even without metal impurities, such that the selection rate of the hydroxylamine product is increased.

摘要翻译： 提供了制备羟胺的方法。 在该方法中，在有限量的金属杂质如Fe或Cu的存在下，将酸性缓冲剂和硝酸根离子的含水反应介质在催化剂存在下引入羟胺合成反应器中以通过还原硝酸盐进行羟胺合成 离子与氢气作为还原剂在水性反应介质中产生羟胺。 反应在水性反应介质中用有限量的金属杂质或甚至没有金属杂质处理，使得羟胺产物的选择速率增加。

公开(公告)号：US20110105793A1

公开(公告)日：2011-05-05

申请号：US12637190

申请日：2009-12-14

申请人： Cheng-Fa Hsieh ,  Chien-Chuan Shih ,  Chi-Yuan Chen

发明人： Cheng-Fa Hsieh ,  Chien-Chuan Shih ,  Chi-Yuan Chen

IPC分类号： C07C231/24

CPC分类号： C07C231/10 ,  B01J31/0279 ,  B01J31/40 ,  C07B63/00 ,  C07C231/24 ,  C07D201/04 ,  C07D201/16 ,  C07D223/10 ,  Y02P20/542 ,  Y02P20/584 ,  C07C233/05 ,  C07C233/07 ,  C07C233/65

摘要： The present invention provides a method for separating an amide from an amino acid ionic liquid. The method includes the step of providing a polar solvent and an extracting agent to the amino acid ionic liquid, so as to separate the amide from the amino acid ionic liquid. In the method of the present invention, there is no need to add ammonium for neutralization, such that no byproduct, ammonium sulfate, is formed. In addition, after the amide is separated from the amino acid ionic liquid, the amino acid ionic liquid can be recycled.

摘要翻译： 本发明提供了从氨基酸离子液体中分离酰胺的方法。 该方法包括向氨基酸离子液体提供极性溶剂和萃取剂以将酰胺与氨基酸离子液体分离的步骤。 在本发明的方法中，不需要添加用于中和的铵，使得不形成副产物硫酸铵。 此外，在酰胺与氨基酸离子液体分离后，氨基酸离子液体可以循环使用。