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1.发明申请公开(公告)号：US20090043127A1
公开(公告)日：2009-02-12
申请号：US12252914
申请日：2008-10-16
Applicant: Hyun Jong SHIN , Byung Yul CHOI , Yeon Shick YOO , Young Hyun CHOE , Young Jin CHO , Duk Ki KIM , Kwang Ho PARK , Joo Yeon PARK
Inventor： Hyun Jong SHIN , Byung Yul CHOI , Yeon Shick YOO , Young Hyun CHOE , Young Jin CHO , Duk Ki KIM , Kwang Ho PARK , Joo Yeon PARK
IPC: C07C51/16
CPC classification number: B01J23/002 , B01J23/31 , B01J23/8876 , B01J23/8877 , B01J23/8885 , B01J27/0576 , B01J37/0009 , B01J37/0236 , B01J2523/00 , C07C51/215 , C07C51/252 , C07C57/04 , B01J2523/13 , B01J2523/54 , B01J2523/68 , B01J2523/842 , B01J2523/845 , B01J2523/56 , B01J2523/64 , B01J2523/17 , B01J2523/24 , B01J2523/55 , B01J2523/69
Abstract: Disclosed are a Mo—Bi—Nb—Te based composite metal oxide; and a process for producing (meth)acrylic acid from at least one reaction material selected from the group consisting of propylene, propane, isobutylene, t-butyl alcohol and methyl-t-butyl ether, wherein the Mo—Bi—Nb—Te based composite metal oxide is used as a catalyst. Also, disclosed is a process for producing (meth)acrylic acid comprising a first step of producing (meth)acrolein as a main product from at least one reaction material selected from the group consisting of propylene, propane, isobutylene, t-butyl alcohol and methyl-t-butyl ether, and a second step of producing (meth)acrylic acid from the (meth)acrolein, wherein yield of (meth)acrylic acid in the product of the first step is 20 mole % or higher.
Abstract translation: 公开了一种Mo-Bi-Nb-Te基复合金属氧化物; 和由选自丙烯，丙烷，异丁烯，叔丁醇和甲基叔丁基醚中的至少一种反应材料生产（甲基）丙烯酸的方法，其中Mo-Bi-Nb-Te基 复合金属氧化物用作催化剂。 还公开了一种生产（甲基）丙烯酸的方法，该方法包括以下步骤：从选自丙烯，丙烷，异丁烯，叔丁醇的至少一种反应材料和 甲基叔丁基醚，以及由（甲基）丙烯醛制备（甲基）丙烯酸的第二步，其中第一步产物中（甲基）丙烯酸的收率为20摩尔％以上。
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2.发明授权公开(公告)号：US07265250B2
公开(公告)日：2007-09-04
申请号：US11021442
申请日：2004-12-23
Applicant: Hyun Jong Shin , Yeon Shick Yoo , Byung Yul Choi , Young Hyun Choi , Young Jin Cho , Duk Ki Kim , Joo Yeon Park , Kwang Ho Park
Inventor： 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 classification number: 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
Abstract: 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.
Abstract translation: 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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3.发明申请Catalyst System, Oxidation Reactor Containing The Same, And Preparation Method For Acrolein And Acrylic Acid Using The Same 审中-公开催化剂体系，含有它的氧化反应器，以及丙烯醛和丙烯酸的制备方法公开(公告)号：US20100298601A1
公开(公告)日：2010-11-25
申请号：US12812803
申请日：2009-01-16
Applicant: Byung-Yul Choi , Hyun-Jong Shin , Young-Hyun Choe , Young-Jin Cho , Duk-Ki Kim , Ju-Yeon Park
Inventor： Byung-Yul Choi , Hyun-Jong Shin , Young-Hyun Choe , Young-Jin Cho , Duk-Ki Kim , Ju-Yeon Park
IPC: B01J23/88 , B01J8/06 , B01J8/04 , C07C45/35 , C07C51/235
CPC classification number: C07C45/35 , B01J8/067 , B01J23/002 , B01J2208/00513 , B01J2208/025 , B01J2219/00261 , B01J2523/00 , C07C45/33 , C07C51/215 , C07C51/252 , C07C47/22 , C07C57/04 , B01J2523/13 , B01J2523/54 , B01J2523/68 , B01J2523/842 , B01J2523/845
Abstract: The present invention relates to a catalyst system, an oxidation reactor comprising the same, and a method for producing an acrolein and an acrylic acid by using the same. By using the catalyst system according to the present invention, when acrolein and acrylic acid are produced, since heat accumulation in a catalyst layer may be effectively prevented, catalyst deterioration may be prevented, and the catalyst may be stably used for a long period of time. In addition, an acrolein and an acrylic acid may be produced at high selectivity and high yield.
Abstract translation: 本发明涉及一种催化剂体系，包含该催化剂体系的氧化反应器及使用该催化剂体系的丙烯醛和丙烯酸的制造方法。 通过使用本发明的催化剂体系，当生成丙烯醛和丙烯酸时，由于可以有效地防止催化剂层中的蓄热，可以防止催化剂劣化，并且可以长期稳定地使用催化剂 。 此外，可以以高选择性和高产率生产丙烯醛和丙烯酸。
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4.发明授权公开(公告)号：US07635786B2
公开(公告)日：2009-12-22
申请号：US12252914
申请日：2008-10-16
Applicant: Hyun Jong Shin , Byung Yul Choi , Yeon Shick Yoo , Young Hyun Choe , Young Jin Cho , Duk Ki Kim , Kwang Ho Park , Joo Yeon Park
Inventor： Hyun Jong Shin , Byung Yul Choi , Yeon Shick Yoo , Young Hyun Choe , Young Jin Cho , Duk Ki Kim , Kwang Ho Park , Joo Yeon Park
IPC: C07C51/16 , C07C51/235
CPC classification number: B01J23/002 , B01J23/31 , B01J23/8876 , B01J23/8877 , B01J23/8885 , B01J27/0576 , B01J37/0009 , B01J37/0236 , B01J2523/00 , C07C51/215 , C07C51/252 , C07C57/04 , B01J2523/13 , B01J2523/54 , B01J2523/68 , B01J2523/842 , B01J2523/845 , B01J2523/56 , B01J2523/64 , B01J2523/17 , B01J2523/24 , B01J2523/55 , B01J2523/69
Abstract: Disclosed are a Mo—Bi—Nb—Te based composite metal oxide; and a process for producing (meth)acrylic acid from at least one reaction material selected from the group consisting of propylene, propane, isobutylene, t-butyl alcohol and methyl-t-butyl ether, wherein the Mo—Bi—Nb—Te based composite metal oxide is used as a catalyst. Also, disclosed is a process for producing (meth)acrylic acid comprising a first step of producing (meth)acrolein as a main product from at least one reaction material selected from the group consisting of propylene, propane, isobutylene, t-butyl alcohol and methyl-t-butyl ether, and a second step of producing (meth)acrylic acid from the (meth)acrolein, wherein yield of (meth)acrylic acid in the product of the first step is 20 mole % or higher.
Abstract translation: 公开了一种Mo-Bi-Nb-Te基复合金属氧化物; 和由选自丙烯，丙烷，异丁烯，叔丁醇和甲基叔丁基醚中的至少一种反应材料生产（甲基）丙烯酸的方法，其中Mo-Bi-Nb-Te基 复合金属氧化物用作催化剂。 还公开了一种生产（甲基）丙烯酸的方法，该方法包括以下步骤：从选自丙烯，丙烷，异丁烯，叔丁醇的至少一种反应材料和 甲基叔丁基醚，以及由（甲基）丙烯醛制备（甲基）丙烯酸的第二步，其中第一步产物中（甲基）丙烯酸的收率为20摩尔％以上。
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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
Applicant: Yeon Shick Yoo , Hyun Jong Shin , Byung Yul Choi , Young Hyun Choi , Young Jin Cho , Duk Ki Kim , Joo Yeon Park , Kwang Ho Park
Inventor： 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 classification number: 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
Abstract: 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.
Abstract translation: 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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Patent Agency Ranking
公开(公告)号：US07326389B2
公开(公告)日：2008-02-05
申请号：US11021628
申请日：2004-12-23
Applicant: Hyun Jong Shin , Yeon Shick Yoo , Byung Yul Choi , Young Hyun Choi , Young Jin Cho , Duk Ki Kim , Joo Yeon Park , Kwang Ho Park
Inventor： 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 classification number: 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
Abstract: 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.
Abstract translation: 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：US08114805B2
公开(公告)日：2012-02-14
申请号：US12664584
申请日：2008-06-13
Applicant: Hyun-Kuk Noh , Hyun-jong Shin , Won-ho Lee , Byung-yul Choi , Gyo-hyun Hwang , Ju-yeon Park , Duk-ki Kim , Young-hyun Choe , Min-ho Kil , Min-suk Kim , Young-jin Cho , Sung-chul Lim
Inventor： Hyun-Kuk Noh , Hyun-jong Shin , Won-ho Lee , Byung-yul Choi , Gyo-hyun Hwang , Ju-yeon Park , Duk-ki Kim , Young-hyun Choe , Min-ho Kil , Min-suk Kim , Young-jin Cho , Sung-chul Lim
IPC: B01J27/00 , B01J27/198 , B01J27/188 , B01J27/19 , B01J27/192 , B01J27/185 , B01J23/00
CPC classification number: B01J27/188 , B01J23/002 , B01J27/199 , B01J37/0009 , B01J2523/00 , B01J2523/15 , B01J2523/51 , B01J2523/54 , B01J2523/55 , B01J2523/68 , B01J2523/842 , B01J2523/13 , B01J2523/53 , B01J2523/847
Abstract: The present invention relates to a method of preparing a heteropoly acid catalyst used for the production of methacrylic acid by gas phase oxidation of methacrolein, more precisely a method of preparing a heteropoly acid catalyst comprising the steps of preparing a slurry by adding metal precursors and ammonium salt to protonic acid Keggin-type heteropoly acid aqueous solution and stirring thereof; and drying, molding and firing the slurry to give a catalyst. The present invention provides a method of preparing a heteropoly acid catalyst exhibiting high methacrolein conversion rate and methacrylic acid selectivity without pre-firing process by using high purity protonic acid Keggin-type heteropoly acid and ammonium salt.
Abstract translation: 本发明涉及一种通过气相氧化甲基丙烯醛制备用于生产甲基丙烯酸的杂多酸催化剂的方法，更准确地说，一种制备杂多酸催化剂的方法，包括以下步骤：通过加入金属前体和铵来制备浆料 盐对质子酸Keggin型杂多酸水溶液搅拌; 并干燥，模塑和烧制浆料得到催化剂。 本发明提供一种通过使用高纯度质子酸Keggin型杂多酸和铵盐，通过预焙烧方法制备显示高甲基丙烯醛转化率和甲基丙烯酸选择性的杂多酸催化剂的方法。
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公开(公告)号：US20100184591A1
公开(公告)日：2010-07-22
申请号：US12664584
申请日：2008-06-13
Applicant: Hyun-Kuk Noh , Hyun-jong Shin , Won-ho Lee , Byung-yul Choi , Gyo-hyun Hwang , Ju-yeon Park , Duk-ki Kim , Young-hyun Choe , Min-ho Kil , Min-suk Kim , Young-jin Cho , Sung-chul Lim
Inventor： Hyun-Kuk Noh , Hyun-jong Shin , Won-ho Lee , Byung-yul Choi , Gyo-hyun Hwang , Ju-yeon Park , Duk-ki Kim , Young-hyun Choe , Min-ho Kil , Min-suk Kim , Young-jin Cho , Sung-chul Lim
IPC: B01J27/199
CPC classification number: B01J27/188 , B01J23/002 , B01J27/199 , B01J37/0009 , B01J2523/00 , B01J2523/15 , B01J2523/51 , B01J2523/54 , B01J2523/55 , B01J2523/68 , B01J2523/842 , B01J2523/13 , B01J2523/53 , B01J2523/847
Abstract: The present invention relates to a method of preparing a heteropoly acid catalyst used for the production of methacrylic acid by gas phase oxidation of methacrolein, more precisely a method of preparing a heteropoly acid catalyst comprising the steps of preparing a slurry by adding metal precursors and ammonium salt to protonic acid Keggin-type heteropoly acid aqueous solution and stirring thereof; and drying, molding and firing the slurry to give a catalyst. The present invention provides a method of preparing a heteropoly acid catalyst exhibiting high methacrolein conversion rate and methacrylic acid selectivity without pre-firing process by using high purity protonic acid Keggin-type heteropoly acid and ammonium salt.
Abstract translation: 本发明涉及一种通过气相氧化甲基丙烯醛制备用于生产甲基丙烯酸的杂多酸催化剂的方法，更准确地说，一种制备杂多酸催化剂的方法，包括以下步骤：通过加入金属前体和铵来制备浆料 盐对质子酸Keggin型杂多酸水溶液搅拌; 并干燥，模塑和烧制浆料得到催化剂。 本发明提供一种通过使用高纯度质子酸Keggin型杂多酸和铵盐，通过预焙烧方法制备显示高甲基丙烯醛转化率和甲基丙烯酸选择性的杂多酸催化剂的方法。
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公开(公告)号：US07638458B2
公开(公告)日：2009-12-29
申请号：US11502027
申请日：2006-08-10
Applicant: Hyun Jong Shin , Byung Yul Choi , Yeon Shick Yoo , Young Hyun Choe , Young Jin Cho , Duk Ki Kim , Kwang Ho Park , Joo Yeon Park
Inventor： Hyun Jong Shin , Byung Yul Choi , Yeon Shick Yoo , Young Hyun Choe , Young Jin Cho , Duk Ki Kim , Kwang Ho Park , Joo Yeon Park
IPC: B01J27/057
CPC classification number: B01J23/002 , B01J23/31 , B01J23/8876 , B01J23/8877 , B01J23/8885 , B01J27/0576 , B01J37/0009 , B01J37/0236 , B01J2523/00 , C07C51/215 , C07C51/252 , C07C57/04 , B01J2523/13 , B01J2523/54 , B01J2523/68 , B01J2523/842 , B01J2523/845 , B01J2523/56 , B01J2523/64 , B01J2523/17 , B01J2523/24 , B01J2523/55 , B01J2523/69
Abstract: Disclosed are a Mo—Bi—Nb—Te based composite metal oxide; and a process for producing (meth)acrylic acid from at least one reaction material selected from the group consisting of propylene, propane, isobutylene, t-butyl alcohol and methyl-t-butyl ether, wherein the Mo—Bi—Nb—Te based composite metal oxide is used as a catalyst. Also, disclosed is a process for producing (meth)acrylic acid comprising a first step of producing (meth)acrolein as a main product from at least one reaction material selected from the group consisting of propylene, propane, isobutylene, t-butyl alcohol and methyl-t-butyl ether, and a second step of producing (meth)acrylic acid from the (meth)acrolein, wherein yield of (meth)acrylic acid in the product of the first step is 20 mole % or higher.
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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
Applicant: Yeon Shick Yoo , Hyun Jong Shin , Byung Yul Choi , Young Hyun Choi , Young Jin Cho , Duk Ki Kim , Joo Yeon Park , Kwang Ho Park
Inventor： 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 classification number: 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
Abstract: 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.
Abstract translation: 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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