公开(公告)号：US06803473B2

公开(公告)日：2004-10-12

申请号：US10220746

申请日：2002-09-05

申请人： Jens Weiguny ,  Sebastian Storck ,  Andreas Tenten ,  Wilhelm Ruppel

发明人： Jens Weiguny ,  Sebastian Storck ,  Andreas Tenten ,  Wilhelm Ruppel

IPC分类号： C07D30760

CPC分类号： B01J8/067 ,  B01J2208/00212 ,  B01J2208/0053 ,  C07C51/215 ,  C07C57/145

摘要： In a process for preparing maleic anhydride by heterogeneously catalyzed gas-phase oxidation of hydrocarbons having at least four carbon atoms using oxygen-containing gases in the presence of a volatile phosphorus compound over a catalyst comprising vanadium, phosphorus and oxygen in a shell-and-tube reactor unit having at least two successive cooled reaction zones, the temperature of the first reaction zone is from 350 to 450° C. and the temperature of the second and further reaction zones is from 350 to 480° C. and the temperature difference between the hottest reaction zone and the coolest reaction zone is at least 2° C.

摘要翻译： 在使用含氧气体的挥发性磷化合物存在下，在包含钒，磷和氧的催化剂存在下，通过异构催化气相氧化具有至少四个碳原子的烃来制备马来酸酐的方法， 管式反应器单元具有至少两个连续冷却的反应区，第一反应区的温度为350-450℃，第二反应区和其它反应区的温度为350-480℃，温度差为 最热的反应区和最冷的反应区为至少2℃

公开(公告)号：US06812351B2

公开(公告)日：2004-11-02

申请号：US10220703

申请日：2002-09-05

申请人： Jens Weiguny ,  Sebastian Storck ,  Andreas Tenten

发明人： Jens Weiguny ,  Sebastian Storck ,  Andreas Tenten

IPC分类号： C07D30760

CPC分类号： C07C51/215 ,  B01J23/002 ,  B01J27/198 ,  B01J35/026 ,  B01J35/1014 ,  B01J35/1038 ,  B01J2523/00 ,  C07C57/145 ,  B01J2523/51 ,  B01J2523/55

摘要： A catalyst used in a process for preparing maleic anhydride by heterogeneously catalyzed gas-phase oxidation of a hydrocarbon having at least four carbon atoms by means of oxygen-containing gases comprises a catalytically active composition comprising vanadium, phosphorus and oxygen and has a essentially hollow cylindrical structure in which (a) the ratio of the height h to the diameter of the continuous hole d2 is not more than 1.5 and (b) the ratio of the geometric surface area Ageo to the geometric volume Vgeo is at least 2 mm−1.

公开(公告)号：US07169732B2

公开(公告)日：2007-01-30

申请号：US10507610

申请日：2003-03-12

申请人： Jens Weiguny ,  Sebastian Storck ,  Mark Duda ,  Cornelia Dobner

发明人： Jens Weiguny ,  Sebastian Storck ,  Mark Duda ,  Cornelia Dobner

IPC分类号： B01J27/18 ,  C07D307/60

CPC分类号： C07C51/252 ,  B01J23/002 ,  B01J27/198 ,  B01J35/002 ,  B01J35/1014 ,  B01J37/0018 ,  B01J37/031 ,  B01J2523/00 ,  C07C51/215 ,  C07C57/145 ,  B01J2523/51 ,  B01J2523/55

摘要： A process for preparing a vanadium, phosphorus, and oxygen catalyst precursor for preparing maleic anhydride by heterogeneously catalyzed gas-phase oxidation of a hydrocarbon having at least four carbon atoms, which comprises (a) reacting vanadium pentoxide with from 102 to 110% strength phosphoric acid in the presence of a primary or secondary, noncyclic or cyclic, unbranched or branched, saturated alcohol having from 3 to 6 carbon atoms in a temperature range from 80 to 160° C.; (b) isolating the precipitate formed; (c) setting an organic carbon content of ≦1.1% by weight in the isolated precipitate by heat treatment in a temperature range from 250 to 350° C., the heat-treated product, following the addition of 3.0% by weight of graphite, giving a powder X-ray diffraction diagram which in the 2θ region features a ratio of the height of the peak of any pyrophosphate phase present at 28.5° to the height of the peak due to the graphite at 26.6° of ≦0.1; and (d) shaping the heat-treated product obtained from step (c) into particles having an averaged diameter of at least 2 mm; a catalyst precursor obtainable from this process; a process for preparing a catalyst from the catalyst precursor; a catalyst obtainable from that process; and also a process for preparing maleic anhydride over that catalyst.

摘要翻译： 一种制备用于通过异构催化气相氧化具有至少四个碳原子的烃来制备马来酸酐的钒，磷和氧催化剂前体的方法，其包括（a）使五氧化二钒与102-110％强度的磷酸 在80至160℃的温度范围内在具有3至6个碳原子的伯或仲，非环或环状，无支链或支链的饱和醇存在下进行酸反应。 （b）分离形成的沉淀物; （c）通过在250-350℃的温度范围内通过热处理将分离的沉淀物中的有机碳含量<= 1.1重量％设定为热处理产物，添加3.0重量％的石墨 ，给出粉末X射线衍射图，其在2θ区域的特征是存在于28.5°的任何焦磷酸盐相的峰的高度与由于石灰在26.6°<= 0.1处的峰的高度之比; 和（d）将由步骤（c）获得的热处理产物成型为具有至少2mm的平均直径的颗粒; 从该方法获得的催化剂前体; 从催化剂前体制备催化剂的方法; 可从该方法获得的催化剂; 以及在该催化剂上制备马来酸酐的方法。

公开(公告)号：US20050222435A1

公开(公告)日：2005-10-06

申请号：US10507609

申请日：2003-03-12

申请人： Jens Weiguny ,  Sebastian Storck ,  Mark Duda ,  Cornelia Dobner

发明人： Jens Weiguny ,  Sebastian Storck ,  Mark Duda ,  Cornelia Dobner

IPC分类号： C07D307/60 ,  B01J27/198 ,  B01J35/10 ,  B01J37/00 ,  B01J37/04 ,  B01J37/08 ,  C07B61/00 ,  C07C51/215 ,  C07C51/25 ,  C07D307/34

CPC分类号： C07C51/252 ,  B01J23/002 ,  B01J27/198 ,  B01J35/1014 ,  B01J35/1038 ,  B01J37/0009 ,  B01J37/009 ,  B01J37/08 ,  B01J2523/00 ,  C07C51/215 ,  C07C57/145 ,  B01J2523/51 ,  B01J2523/55

摘要： A process for preparing a vanadium, phosphorus, and oxygen catalyst precursor for preparing maleic anhydride by heterogeneously catalyzed gas-phase oxidation of a hydrocarbon having at least four carbon atoms, by reacting vanadium pentoxide (I) in the presence of a primary or secondary, noncyclic or cyclic, unbranched or branched, saturated alcohol having from 3 to 6 carbon atoms (II) with a pentavalent or trivalent phosphorus compound (III) in a temperature range from 80 to 160° C. with stirring and subsequently filtering the resultant suspension, in which (a) the way in which the phosphorus compound (III) and the vanadium pentoxide (I) are combined in the presence of the alcohol (II), (b) the action of a stirring power of from 0.01 to 0.6 W/kg suspension, and/or (c) the filtration at a temperature from 65° C. to 160° C. are used to set a filtration resistance αH·η of

摘要翻译： 通过在一次或二次存在下使五氧化二钒（I）反应，通过使具有至少四个碳原子的烃的非均相催化气相氧化来制备用于制备马来酸酐的钒，磷和氧催化剂前体的方法， 具有3至6个碳原子的非环状或环状，无支链或支链的饱和醇（II）与五价或三价磷化合物（III）在80至160℃的温度范围内搅拌并随后过滤得到的悬浮液， 其中（a）在醇（II）的存在下将磷化合物（III）和五氧化二钒（I）组合的方式，（b）搅拌功率为0.01至0.6W / kg悬浮液，和/或（c）在65℃至160℃的温度下进行过滤，以设定过滤阻力<50％ / SUP> mPa.s / m 2; 从该方法获得的催化剂前体; 从催化剂前体制备催化剂的方法; 可从该方法获得的催化剂; 以及在该催化剂上制备马来酸酐的方法。

公开(公告)号：US20050222436A1

公开(公告)日：2005-10-06

申请号：US10507610

申请日：2003-03-12

申请人： Jens Weiguny ,  Sebastian Storck ,  Mark Duda ,  Cornelia Dobner

发明人： Jens Weiguny ,  Sebastian Storck ,  Mark Duda ,  Cornelia Dobner

IPC分类号： C07D307/60 ,  B01J27/198 ,  B01J35/00 ,  B01J35/02 ,  B01J35/10 ,  B01J37/00 ,  B01J37/03 ,  B01J37/08 ,  C07B61/00 ,  C07C51/215 ,  C07C51/25 ,  C07D307/34

CPC分类号： C07C51/252 ,  B01J23/002 ,  B01J27/198 ,  B01J35/002 ,  B01J35/1014 ,  B01J37/0018 ,  B01J37/031 ,  B01J2523/00 ,  C07C51/215 ,  C07C57/145 ,  B01J2523/51 ,  B01J2523/55

摘要： A process for preparing a vanadium, phosphorus, and oxygen catalyst precursor for preparing maleic anhydride by heterogeneously catalyzed gas-phase oxidation of a hydrocarbon having at least four carbon atoms, which comprises (a) reacting vanadium pentoxide with from 102 to 110% strength phosphoric acid in the presence of a primary or secondary, noncyclic or cyclic, unbranched or branched, saturated alcohol having from 3 to 6 carbon atoms in a temperature range from 80 to 160° C.; (b) isolating the precipitate formed; (c) setting an organic carbon content of ≦1.1% by weight in the isolated precipitate by heat treatment in a temperature range from 250 to 350° C., the heat-treated product, following the addition of 3.0% by weight of graphite, giving a powder X-ray diffraction diagram which in the 2θ region features a ratio of the height of the peak of any pyrophosphate phase present at 28.5° to the height of the peak due to the graphite at 26.6° of ≦0.1; and (d) shaping the heat-treated product obtained from step (c) into particles having an averaged diameter of at least 2 mm; a catalyst precursor obtainable from this process; a process for preparing a catalyst from the catalyst precursor; a catalyst obtainable from that process; and also a process for preparing maleic anhydride over that catalyst.

摘要翻译： 一种制备用于通过异构催化气相氧化具有至少四个碳原子的烃来制备马来酸酐的钒，磷和氧催化剂前体的方法，其包括（a）使五氧化二钒与102-110％强度的磷酸 在80至160℃的温度范围内在具有3至6个碳原子的伯或仲，非环或环状，无支链或支链的饱和醇存在下进行酸反应。 （b）分离形成的沉淀物; （c）通过在250-350℃的温度范围内通过热处理将分离的沉淀物中的有机碳含量<= 1.1重量％设定为热处理产物，添加3.0重量％的石墨 ，给出粉末X射线衍射图，其在2θ区域的特征是存在于28.5°的任何焦磷酸盐相的峰的高度与由于石灰在26.6°<= 0.1处的峰的高度之比; 和（d）将由步骤（c）获得的热处理产物成型为具有至少2mm的平均直径的颗粒; 从该方法获得的催化剂前体; 从催化剂前体制备催化剂的方法; 可从该方法获得的催化剂; 以及在该催化剂上制备马来酸酐的方法。

公开(公告)号：US20050153834A1

公开(公告)日：2005-07-14

申请号：US10507601

申请日：2003-03-12

申请人： Jens Weiguny ,  Sebastian Storck ,  Mark Duda ,  Cornelia Dobner ,  Raimund Felder

发明人： Jens Weiguny ,  Sebastian Storck ,  Mark Duda ,  Cornelia Dobner ,  Raimund Felder

IPC分类号： C07D307/60 ,  B01J27/198 ,  B01J35/02 ,  B01J35/10 ,  B01J37/00 ,  B01J37/08 ,  B01J37/14 ,  B01J37/18 ,  C07C51/215 ,  C07C51/25

CPC分类号： B01J8/10 ,  B01J8/067 ,  B01J19/22 ,  B01J27/198 ,  B01J35/023 ,  B01J35/026 ,  B01J35/1014 ,  B01J35/1038 ,  B01J37/0009 ,  B01J37/08 ,  B01J37/14 ,  B01J37/18 ,  B01J2208/00849 ,  B01J2208/00876 ,  B01J2219/182 ,  C07C51/215 ,  C07C51/252 ,  C07C57/145

摘要： Disclosed is a method for producing a catalyst containing vanadium, phosphorus, and oxygen, which is used for oxidizing the gas phase of a hydrocarbon having at least four carbon atoms to maleic anhydride. According to the inventive method, a corresponding catalyst precursor which contains vanadium, phosphorus, and oxygen and is provided with particles having an average diameter of at least 2 mm is converted into a catalytically active form by means of calcination, and a flow of the catalyst precursor is transported on a conveyor belt across at least one calcination area over a distance ln at an essentially steady speed in order to be calcinated. The variation over time of the gas temperature in relation to the set point value amounts to ≦5 ° C. at each position in the area of the flow of the catalyst precursor, which lies within the second half ln/2 of the calcination area, while the local difference in the gas temperature between any positions in the area of the flow of the catalyst precursor, which is located within the second half lnn/2 of the calcination area, amounts to ≦5 ° C.

摘要翻译： 公开了一种用于生产含有钒，磷和氧的催化剂的方法，其用于将具有至少四个碳原子的烃的气相氧化为马来酸酐。 根据本发明的方法，将含有钒，磷和氧并且具有平均直径至少为2mm的颗粒的相应催化剂前体通过煅烧转化为催化活性形式，并且催化剂流 前驱体在传送带上以基本上稳定的速度穿过至少一个煅烧区域在一定距离上被运输，以便被煅烧。 气体温度随时间的变化相对于设定点值在催化剂前体的流动区域内的每个位置处为<= 5℃，其位于第二半导体区域内， SUB> / 2，而位于第二半层之间的催化剂前体的流动区域中的任何位置之间的气体温度的局部差异 的煅烧面积相当于<= 5℃

公开(公告)号：US07157403B2

公开(公告)日：2007-01-02

申请号：US10507609

申请日：2003-03-12

申请人： Jens Weiguny ,  Sebastian Storck ,  Mark Duda ,  Cornelia Dobner

发明人： Jens Weiguny ,  Sebastian Storck ,  Mark Duda ,  Cornelia Dobner

IPC分类号： B01J27/198 ,  C07D307/60

CPC分类号： C07C51/252 ,  B01J23/002 ,  B01J27/198 ,  B01J35/1014 ,  B01J35/1038 ,  B01J37/0009 ,  B01J37/009 ,  B01J37/08 ,  B01J2523/00 ,  C07C51/215 ,  C07C57/145 ,  B01J2523/51 ,  B01J2523/55

摘要： A process for preparing a vanadium, phosphorus, and oxygen catalyst precursor for preparing maleic anhydride by heterogeneously catalyzed gas-phase oxidation of a hydrocarbon having at least four carbon atoms, by reacting vanadium pentoxide (I) in the presence of a primary or secondary, noncyclic or cyclic, unbranched or branched, saturated alcohol having from 3 to 6 carbon atoms (II) with a pentavalent or trivalent phosphorus compound (III) in a temperature range from 80 to 160° C. with stirring and subsequently filtering the resultant suspension, in which (a) the way in which the phosphorus compound (III) and the vanadium pentoxide (I) are combined in the presence of the alcohol (II), (b) the action of a stirring power of from 0.01 to 0.6 W/kg suspension, and/or (c) the filtration at a temperature from 65° C. to 160° C. are used to set a filtration resistance αH·η of

摘要翻译： 通过在一次或二次存在下使五氧化二钒（I）反应，通过使具有至少四个碳原子的烃的非均相催化气相氧化来制备用于制备马来酸酐的钒，磷和氧催化剂前体的方法， 具有3至6个碳原子的非环状或环状，无支链或支链的饱和醇（II）与五价或三价磷化合物（III）在80至160℃的温度范围内搅拌并随后过滤得到的悬浮液， 其中（a）在醇（II）的存在下将磷化合物（III）和五氧化二钒（I）组合的方式，（b）搅拌功率为0.01至0.6W / kg悬浮液，和/或（c）在65℃至160℃的温度下进行过滤，以设定过滤阻力<50％ / SUP> mPa.s / m 2; 从该方法获得的催化剂前体; 从催化剂前体制备催化剂的方法; 可从该方法获得的催化剂; 以及在该催化剂上制备马来酐的方法。

公开(公告)号：US07060649B2

公开(公告)日：2006-06-13

申请号：US10507601

申请日：2003-03-12

申请人： Jens Weiguny ,  Sebastian Storck ,  Mark Duda ,  Cornelia Dobner ,  Raimund Felder

发明人： Jens Weiguny ,  Sebastian Storck ,  Mark Duda ,  Cornelia Dobner ,  Raimund Felder

IPC分类号： B01J27/198 ,  B30B15/30 ,  F16P3/00 ,  F16P3/18 ,  F16P3/05

CPC分类号： B01J8/10 ,  B01J8/067 ,  B01J19/22 ,  B01J27/198 ,  B01J35/023 ,  B01J35/026 ,  B01J35/1014 ,  B01J35/1038 ,  B01J37/0009 ,  B01J37/08 ,  B01J37/14 ,  B01J37/18 ,  B01J2208/00849 ,  B01J2208/00876 ,  B01J2219/182 ,  C07C51/215 ,  C07C51/252 ,  C07C57/145

摘要： Disclosed is a method for producing a catalyst containing vanadium, phosphorus, and oxygen, which is used for oxidizing the gas phase of a hydrocarbon having at least four carbon atoms to maleic anhydride. According to the inventive method, a corresponding catalyst precursor which contains vanadium, phosphorus, and oxygen and is provided with particles having an average diameter of at least 2 mm is converted into a catalytically active form by means of calcination, and a flow of the catalyst precursor is transported on a conveyor belt across at least one calcination area over a distance 1n at an essentially steady speed in order to be calcinated. The variation over time of the gas temperature in relation to the set point value amounts to ≦5° C. at each position in the area of the flow of the catalyst precursor, which lies within the second half 1n/2 of the calcination area, while the local difference in the gas temperature between any positions in the area of the flow of the catalyst precursor, which is located within the second half 1n/2 of the calcination area, amounts to ≦5° C.

摘要翻译： 公开了一种用于生产含有钒，磷和氧的催化剂的方法，其用于将具有至少四个碳原子的烃的气相氧化为马来酸酐。 根据本发明的方法，将含有钒，磷和氧并且具有平均直径至少为2mm的颗粒的相应催化剂前体通过煅烧转化为催化活性形式，并且催化剂流 前驱体在传送带上以基本上稳定的速度穿过至少一个煅烧区域在距离1＆lt; N＆gt;运输，以便被煅烧。 气体温度随时间的变化相对于设定点值在催化剂前体的流动区域内的每个位置处为<= 5℃，位于第二半 SUB> / 2，而位于催化剂前体的流动区域内的任何位置之间的气体温度的局部差异位于第二半 煅烧面积等于<= 5℃

公开(公告)号：US07087767B2

公开(公告)日：2006-08-08

申请号：US10522993

申请日：2003-07-22

申请人： Jens Weiguny ,  Wilhelm Ruppel ,  Mark Duda

发明人： Jens Weiguny ,  Wilhelm Ruppel ,  Mark Duda

IPC分类号： C07D307/60

CPC分类号： C07D307/60

摘要： Process for preparing maleic anhydride by heterogeneously catalyzed gas-phase oxidation of hydrocarbons having at least four carbon atoms by means of oxygen-containing gases at from 350 to 500° C. in the presence of a volatile phosphorus compound over a vanadium-, phosphorus- and oxygen-containing catalyst in a shell-and-tube reactor unit having at least one reaction zone cooled by means of a heat transfer medium, in which the temperature and/or the amount of the heat transfer medium flowing into the first (relative to the feed direction) reaction zone are set so that the mean temperature of the heat transfer medium in the first reaction zone TSB(1st zone), which is calculated as the mean of the inflow temperature and the outflow temperature of the heat transfer medium, is in accordance with the formulae (I) and (II) TSB(1st zone)≦TR(1st zone)−TSafety(1st zone)  (I) TSB, Ymax(1st zone)−TA(1st zone)≦TSB(1st zone)≦TSB, Ymax(1st zone)+TB(1st zone),  (II) where TR(1st zone) is the runaway temperature of the first reaction zone; TSafety(1st zone) is the safety temperature of the first reaction zone and has a value of 1° C.; TSB, Ymax(1st zone) is the mean temperature of the heat transfer medium in the first reaction zone at which the maximum maleic anhydride yield is achieved in the range TSB(1st zone)≦TR(1st zone); TA(1st zone) is 20° C.; and TB(1st zone) is 10° C.

公开(公告)号：US20050256319A1

公开(公告)日：2005-11-17

申请号：US10522993

申请日：2003-07-22

申请人： Jens Weiguny ,  Wilhelm Ruppel ,  Mark Duda

发明人： Jens Weiguny ,  Wilhelm Ruppel ,  Mark Duda

IPC分类号： C07B61/00 ,  C07D307/60 ,  C07D307/36

CPC分类号： C07D307/60

摘要： Process for preparing maleic anhydride by heterogeneously catalyzed gas-phase oxidation of hydrocarbons having at least four carbon atoms by means of oxygen-containing gases at from 350 to 500° C. in the presence of a volatile phosphorus compound over a vanadium-, phosphorus- and oxygen-containing catalyst in a shell-and-tube reactor unit having at least one reaction zone cooled by means of a heat transfer medium, in which the temperature and/or the amount of the heat transfer medium flowing into the first (relative to the feed direction) reaction zone are set so that the mean temperature of the heat transfer medium in the first reaction zone TSB(1st zone), which is calculated as the mean of the inflow temperature and the outflow temperature of the heat transfer medium, is in accordance with the formulae (I) and (II) TSB(1st zone)≦TR(1st zone)−TSafety(1st zone)   (I) TSB, Ymax(1st zone)−TA(1st zone)≦TSB(1st zone)≦TSB, Ymax(1st zone)+TB(1st zone)   (II), where TR(1st zone) is the runaway temperature of the first reaction zone; TSafety(1st zone) is the safety temperature of the first reaction zone and has a value of 1° C.; TSB, Ymax(1st zone) is the mean temperature of the heat transfer medium in the first reaction zone at which the maximum maleic anhydride yield is achieved in the range TSB(1st zone)≦TR(1st zone); TA(1st zone) is 20° C.; and TB(1st zone) is 10° C.