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公开(公告)号:US07265250B2
公开(公告)日:2007-09-04
申请号:US11021442
申请日:2004-12-23
申请人: Hyun Jong Shin , Yeon Shick Yoo , Byung Yul Choi , Young Hyun Choi , Young Jin Cho , Duk Ki Kim , Joo Yeon Park , Kwang Ho Park
发明人: Hyun Jong Shin , Yeon Shick Yoo , Byung Yul Choi , Young Hyun Choi , Young Jin Cho , Duk Ki Kim , Joo Yeon Park , Kwang Ho Park
CPC分类号: C07C51/252 , B01J23/002 , B01J23/8876 , B01J2523/00 , C07C45/32 , C07C45/33 , C07C45/35 , C07C45/37 , C07C47/22 , C07C57/04 , B01J2523/13 , B01J2523/54 , B01J2523/68 , B01J2523/842 , B01J2523/845 , B01J2523/31 , B01J2523/41
摘要: Disclosed is a method for producing unsaturated aldehydes or unsaturated fatty acids from at least one compound selected from the group consisting of propylene, propane, (meth)acrolein, isobutylene, t-butyl alcohol, methyl-t-butyl ether and o-xylene by means of fixed-bed catalytic partial oxidation in a shell-and-tube reactor, characterized in that the reactor includes a reaction zone for producing unsaturated aldehydes as a main product, the reaction zone having an inactive material layer inserted into a position where a hot spot is to be generated in a reaction tube. A fixed-bed shell-and-tube reactor for use in the above method is also disclosed. According to the present invention, at least one layer of inactive material is packed at the point of a hot spot to control the hot spot temperature efficiently, thereby increasing the lifetime of a catalyst and producing unsaturated aldehydes and unsaturated fatty acids with high yield.
摘要翻译: 公开了从至少一种选自丙烯,丙烷,(甲基)丙烯醛,异丁烯,叔丁醇,甲基叔丁基醚和邻二甲苯中的化合物生成不饱和醛或不饱和脂肪酸的方法, 在管壳式反应器中固定床催化部分氧化的方法,其特征在于反应器包括用于生产不饱和醛作为主要产物的反应区,反应区具有插入到热的位置的惰性材料层 在反应管中产生斑点。 还公开了用于上述方法的固定床管壳式反应器。 根据本发明,在热点处填充至少一层非活性材料,以有效地控制热点温度,从而提高催化剂的寿命,并以高产率生产不饱和醛和不饱和脂肪酸。
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公开(公告)号:US07772442B2
公开(公告)日:2010-08-10
申请号:US12415167
申请日:2009-03-31
申请人: Yeon Shick Yoo , Hyun Jong Shin , Byung Yul Choi , Young Hyun Choi , Young Jin Cho , Duk Ki Kim , Joo Yeon Park , Kwang Ho Park
发明人: Yeon Shick Yoo , Hyun Jong Shin , Byung Yul Choi , Young Hyun Choi , Young Jin Cho , Duk Ki Kim , Joo Yeon Park , Kwang Ho Park
CPC分类号: B01J35/0006 , B01J8/0453 , B01J8/0457 , B01J8/0496 , B01J8/067 , B01J23/002 , B01J23/8876 , B01J23/8885 , B01J23/8892 , B01J23/8898 , B01J35/10 , B01J35/1009 , B01J35/1014 , B01J2208/025 , B01J2219/0004 , B01J2523/00 , C07C45/34 , C07C45/35 , C07C51/252 , C07C47/21 , C07C47/22 , C07C57/04 , B01J2523/13 , B01J2523/3712 , B01J2523/54 , B01J2523/68 , B01J2523/72 , B01J2523/842 , B01J2523/845 , B01J2523/31 , B01J2523/17 , B01J2523/24 , B01J2523/55 , B01J2523/69 , B01J2523/847
摘要: Disclosed is a shell-and-tube reactor that may be used for fixed-bed catalytic partial oxidation, the reactor being characterized by including at least one reaction zone of a first-step reaction zone for mainly producing unsaturated aldehydes and a second-step reaction zone for mainly producing unsaturated acids, wherein at least one reaction zone of the above reaction zones comprises two or more catalytic layers; each of the catalytic layers is packed with a formed product of catalyst that is different in pore density and/or pore size in a catalytically active component; and the pore density and/or pore size is controlled in such a manner that specific surface area of the catalytically active component increases from the inlet of the reactor to the outlet of the reactor. A method for producing unsaturated aldehydes and/or unsaturated fatty acids from olefins using the same reactor is also disclosed. According to the present invention, it is possible to control the temperature efficiently at a hot spot, thereby permitting stable use of a catalyst, and to produce unsaturated aldehydes and/or unsaturated fatty acids with high yield.
摘要翻译: 公开了一种可用于固定床催化部分氧化的管壳式反应器,该反应器的特征在于包含至少一个主要产生不饱和醛的第一步反应区的反应区和第二步反应 主要生产不饱和酸的区,其中上述反应区的至少一个反应区包含两个或多个催化层; 每个催化层用催化活性组分中孔密度和/或孔径不同的催化剂形成产物填充; 并且以使得催化活性组分的比表面积从反应器的入口增加到反应器的出口的方式来控制孔密度和/或孔径。 还公开了使用相同的反应器由烯烃生产不饱和醛和/或不饱和脂肪酸的方法。 根据本发明,可以在热点有效地控制温度,从而可以稳定地使用催化剂,并以高产率生产不饱和醛和/或不饱和脂肪酸。
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公开(公告)号:US07531147B2
公开(公告)日:2009-05-12
申请号:US11362978
申请日:2006-02-27
申请人: Yeon Shick Yoo , Hyun Jong Shin , Byung Yul Choi , Young Hyun Choi , Young Jin Cho , Duk Ki Kim , Joo Yeon Park , Kwang Ho Park
发明人: Yeon Shick Yoo , Hyun Jong Shin , Byung Yul Choi , Young Hyun Choi , Young Jin Cho , Duk Ki Kim , Joo Yeon Park , Kwang Ho Park
CPC分类号: B01J35/0006 , B01J8/0453 , B01J8/0457 , B01J8/0496 , B01J8/067 , B01J23/002 , B01J23/8876 , B01J23/8885 , B01J23/8892 , B01J23/8898 , B01J35/10 , B01J35/1009 , B01J35/1014 , B01J2208/025 , B01J2219/0004 , B01J2523/00 , C07C45/34 , C07C45/35 , C07C51/252 , C07C47/21 , C07C47/22 , C07C57/04 , B01J2523/13 , B01J2523/3712 , B01J2523/54 , B01J2523/68 , B01J2523/72 , B01J2523/842 , B01J2523/845 , B01J2523/31 , B01J2523/17 , B01J2523/24 , B01J2523/55 , B01J2523/69 , B01J2523/847
摘要: Disclosed is a shell-and-tube reactor that may be used for fixed-bed catalytic partial oxidation, the reactor being characterized by including at least one reaction zone of a first-step reaction zone for mainly producing unsaturated aldehydes and a second-step reaction zone for mainly producing unsaturated acids, wherein at least one reaction zone of the above reaction zones comprises two or more catalytic layers; each of the catalytic layers is packed with a formed product of catalyst that is different in pore density and/or pore size in a catalytically active component; and the pore density and/or pore size is controlled in such a manner that specific surface area of the catalytically active component increases from the inlet of the reactor to the outlet of the reactor. A method for producing unsaturated aldehydes and/or unsaturated fatty acids from olefins using the same reactor is also disclosed. According to the present invention, it is possible to control the temperature efficiently at a hot spot, thereby permitting stable use of a catalyst, and to produce unsaturated aldehydes and/or unsaturated fatty acids with high yield.
摘要翻译: 公开了一种可用于固定床催化部分氧化的管壳式反应器,该反应器的特征在于包含至少一个主要产生不饱和醛的第一步反应区的反应区和第二步反应 主要生产不饱和酸的区,其中上述反应区的至少一个反应区包含两个或多个催化层; 每个催化层用催化活性组分中孔密度和/或孔径不同的催化剂形成产物填充; 并且以使得催化活性组分的比表面积从反应器的入口增加到反应器的出口的方式来控制孔密度和/或孔径。 还公开了使用相同的反应器由烯烃生产不饱和醛和/或不饱和脂肪酸的方法。 根据本发明,可以在热点有效地控制温度,从而可以稳定地使用催化剂,并以高产率生产不饱和醛和/或不饱和脂肪酸。
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公开(公告)号:US07326389B2
公开(公告)日:2008-02-05
申请号:US11021628
申请日:2004-12-23
申请人: Hyun Jong Shin , Yeon Shick Yoo , Byung Yul Choi , Young Hyun Choi , Young Jin Cho , Duk Ki Kim , Joo Yeon Park , Kwang Ho Park
发明人: Hyun Jong Shin , Yeon Shick Yoo , Byung Yul Choi , Young Hyun Choi , Young Jin Cho , Duk Ki Kim , Joo Yeon Park , Kwang Ho Park
CPC分类号: C07C51/252 , B01J8/0453 , B01J8/067 , B01J23/002 , B01J23/8876 , B01J23/8885 , B01J35/0006 , B01J35/023 , B01J2208/025 , B01J2523/00 , C07C45/34 , C07C45/35 , C07C47/22 , C07C57/04 , B01J2523/17 , B01J2523/24 , B01J2523/55 , B01J2523/56 , B01J2523/68 , B01J2523/69 , B01J2523/13 , B01J2523/3712 , B01J2523/54 , B01J2523/842 , B01J2523/845 , B01J2523/847
摘要: Disclosed is a shell-and-tube reactor that may be used in a method for producing unsaturated aldehydes and/or unsaturated acids from olefins by means of fixed-bed catalytic partial oxidation. The reactor includes at least one reaction zone of a first-step reaction zone for producing unsaturated aldehydes as a main product and a second-step reaction zone for producing unsaturated acids as a main product, and at least one reaction zone of the reaction zones comprises two or more catalytic layers, each of the catalytic layers being packed with a formed product of catalyst as secondary particles, wherein the secondary particles in each catalytic layer are formed of primary particles of a catalytically active component having a different particle size, and the particle size of primary particles of the catalytically active component is controlled so that it decreases from an inlet of the reactor to an outlet of the reactor. A method for producing unsaturated aldehydes and/or unsaturated fatty acids from olefins using the same reactor is also disclosed. According to the present invention, it is possible to control the temperature efficiently at a hot spot, thereby permitting a catalyst to be used stably, and to produce unsaturated aldehydes and/or unsaturated fatty acids with high yield.
摘要翻译: 公开了一种可用于通过固定床催化部分氧化从烯烃生产不饱和醛和/或不饱和酸的方法中的管壳式反应器。 反应器包括用于产生不饱和醛作为主要产物的第一步反应区和用于生产不饱和酸作为主要产物的第二步反应区的至少一个反应区,反应区的至少一个反应区包括 两个或更多个催化剂层,每个催化层填充有作为二次颗粒的催化剂的成形产物,其中每个催化剂层中的二次颗粒由具有不同粒度的催化活性组分的初级颗粒形成,并且颗粒 控制催化活性组分的初级颗粒的尺寸,使其从反应器的入口减少到反应器的出口。 还公开了使用相同的反应器由烯烃生产不饱和醛和/或不饱和脂肪酸的方法。 根据本发明,可以在热点有效地控制温度,从而允许稳定地使用催化剂,并以高产率生产不饱和醛和/或不饱和脂肪酸。
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公开(公告)号:US07365228B2
公开(公告)日:2008-04-29
申请号:US11344716
申请日:2006-02-01
申请人: Hyun Jong Shin , Byung Yul Choi , Young Jin Cho , Yeon Shick Yoo , Young Hyun Choi , Duk Ki Kim , Joo Yeon Park
发明人: Hyun Jong Shin , Byung Yul Choi , Young Jin Cho , Yeon Shick Yoo , Young Hyun Choi , Duk Ki Kim , Joo Yeon Park
IPC分类号: C07C51/16
CPC分类号: B01J23/8885 , B01J8/067 , B01J23/002 , B01J35/0006 , B01J2208/025 , B01J2523/00 , C07C51/252 , C07C57/04 , B01J2523/17 , B01J2523/43 , B01J2523/55 , B01J2523/56 , B01J2523/68 , B01J2523/69
摘要: Disclosed is a method for producing unsaturated fatty acids from unsaturated aldehydes by means of fixed-bed catalytic partial oxidation in a shell-and-tube reactor, characterized in that the reactor includes a reaction zone for producing unsaturated fatty acids, the reaction zone having an inactive material layer inserted into a position where a hot spot is to be generated in a reaction tube. A fixed-bed shell-and-tube reactor for use in the above method is also disclosed. According to the present invention, at least one layer of inactive material is packed at the point of a hot spot to control the hot spot temperature efficiently, thereby increasing the lifetime of a catalyst and producing unsaturated fatty acids with high yield.
摘要翻译: 公开了一种在壳管式反应器中通过固定床催化部分氧化从不饱和醛生产不饱和脂肪酸的方法,其特征在于反应器包括用于生产不饱和脂肪酸的反应区,反应区具有 插入在反应管中要产生热点的位置的非活性材料层。 还公开了用于上述方法的固定床管壳式反应器。 根据本发明,在热点处填充至少一层非活性材料,以有效地控制热点温度,从而提高催化剂的寿命并以高产率生产不饱和脂肪酸。
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公开(公告)号:US07491673B2
公开(公告)日:2009-02-17
申请号:US10498901
申请日:2003-07-11
申请人: Jung Hwa Kang , Won Ho Lee , Min Ho Kil , Hyun Jong Shin , Byung Yul Choi , Yeon Shick Yoo , Young Hyun Choi , Ju Yeon Park
发明人: Jung Hwa Kang , Won Ho Lee , Min Ho Kil , Hyun Jong Shin , Byung Yul Choi , Yeon Shick Yoo , Young Hyun Choi , Ju Yeon Park
IPC分类号: B01J23/02 , B01J23/22 , B01J23/26 , B01J23/28 , B01J23/30 , B01J23/31 , B01J23/847 , B01J23/86 , B01J23/88 , B01J23/881 , B01J23/885 , B01J23/888 , B01J37/03
CPC分类号: B01J37/0232 , B01J23/002 , B01J23/8885 , B01J37/0221 , B01J37/03 , B01J2523/00 , C07C51/252 , C07C57/04 , B01J2523/17 , B01J2523/24 , B01J2523/55 , B01J2523/68 , B01J2523/69
摘要: The present invention provides a method for producing a catalyst comprising an inert carrier an a mixed metal oxide as a catalytically active component supported on the inert carrier, the method comprising the steps of: a) adding organic acid(s) into solvent(s) and salt of each metal component which will form a mixed metal oxide, to prepare a catalyst precursor solution for the mixed metal oxide; b) adjusting pH of the catalyst precursor solution using a basic solution; c) containing the catalyst precursor solution for the mixed metal oxide, of which the pH is adjusted, on the inert carrier, d) removing the solvent(s); and e) calcining the resultant from step d. The catalyst produced by the present method has improved reproducibility, activity and yield, while maintaining a high selectivity.
摘要翻译: 本发明提供了一种制备催化剂的方法,所述催化剂包含惰性载体和负载在惰性载体上的作为催化活性组分的混合金属氧化物,所述方法包括以下步骤:a)将有机酸加入到溶剂中, 和将形成混合金属氧化物的各种金属组分的盐,以制备用于混合金属氧化物的催化剂前体溶液; b)使用碱性溶液调节催化剂前体溶液的pH; c)在惰性载体上含有其中调节pH的混合金属氧化物的催化剂前体溶液,d)除去溶剂; 和e)煅烧步骤d的结果。 通过本方法制备的催化剂在保持高选择性的同时提高了再现性,活性和产率。
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公开(公告)号:US06863409B2
公开(公告)日:2005-03-08
申请号:US10390997
申请日:2003-03-18
申请人: Sang Jin Cho , Chang Hee Lee , Young Jin Kim , Jeong Soo Lee , Young Hyun Choi , Kwang Pyo Hong
发明人: Sang Jin Cho , Chang Hee Lee , Young Jin Kim , Jeong Soo Lee , Young Hyun Choi , Kwang Pyo Hong
CPC分类号: G01N23/202 , G21K1/06 , H05H3/06
摘要: Disclosed herein is an apparatus for generating a parallel beam with a high flux. The apparatus of the present invention includes a light source, a first mirror and a second mirror. The light source is positioned at a first focal point of a first ellipse. The first mirror is positioned on the first ellipse to reflect a beam emitted by the light source, and concavely shaped to conform to a section of the first ellipse. The second mirror is positioned across a path of the beam reflected by the first mirror, and convexly shaped to conform to a section of a second ellipse so that an angle formed by two tangent lines passing through each pair of incident points of neighboring rays incident upon the second mirror, respectively, is half of an angle formed by two tangent lines passing through each pair of incident points of neighboring rays incident upon the first mirror, respectively.
摘要翻译: 本文公开了一种用于产生具有高通量的平行束的装置。 本发明的装置包括光源,第一反射镜和第二反射镜。 光源位于第一椭圆的第一焦点处。 第一反射镜位于第一椭圆上以反射由光源发射的光束,并且凹入成形以符合第一椭圆的一部分。 第二反射镜位于由第一反射镜反射的光束的路径上,并且凸形地形成为符合第二椭圆的部分,使得由穿过邻近光线的每对入射点的两条切线形成的角度入射到 第二反射镜分别是通过穿过入射在第一反射镜上的相邻射线的每对入射点的两条切线所形成的角度的一半。
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