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1.发明授权Gas phase oxidation catalyst with defined vanadium oxide particle size distribution 有权气相氧化催化剂具有规定的氧化钒粒度分布公开(公告)号：US07592294B2
公开(公告)日：2009-09-22
申请号：US10573481
申请日：2004-09-24
CPC分类号： C07C51/313 , B01J23/002 , B01J23/22 , B01J27/198 , B01J35/023 , B01J37/0219 , B01J37/0221 , B01J2523/00 , C07C51/265 , C07C63/16 , B01J2523/15 , B01J2523/47 , B01J2523/53 , B01J2523/55
摘要： A process is described for producing a catalyst for gas-phase oxidations, in which a suspension of TiO2 and V2O5 particles is applied to a fluidized inert support, wherein at least 90% by volume of the V2O5 particles have a diameter of 20 μm or less and at least 95% by volume of the V2O5 particles have a diameter of 30 μm or less. The defined particle size distribution of the V2O5 allows a high coating efficiency.
摘要翻译： 描述了一种制备用于气相氧化的催化剂的方法，其中将TiO 2和V 2 O 5颗粒的悬浮液施加到流化惰性载体上，其中至少90体积％的V 2 O 5颗粒的直径为20μm或更小 并且至少95体积％的V 2 O 5颗粒的直径为30μm或更小。 V2O5的定义的粒度分布允许高涂层效率。
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公开(公告)号：US20070041795A1
公开(公告)日：2007-02-22
申请号：US10573479
申请日：2004-09-24
IPC分类号： B65G53/40
CPC分类号： B01J23/002 , B01J2/16 , B01J23/22 , B01J27/199 , B01J35/023 , B01J37/0219 , B01J37/0221 , B01J37/0232 , B01J2523/00 , F26B3/0926 , B01J2523/15 , B01J2523/47 , B01J2523/51 , B01J2523/53 , B01J2523/55
摘要： The invention relates to an apparatus for mixing, drying and coating pulverulent, granular or shaped loose material in a fluidized bed, in particular for use in a process for producing supported catalysts for gas-phase oxidations, which comprises a container (10) for accommodating the loose material, with a bowl-like depression (17) being provided in a lower region (13) of the container (10), a central tube (27) for introducing a gas, with the central tube entering the container in an upper region (12) of the container (10), extending essentially axially downward in the container (10) and opening into the depression (17), an essentially annular deflection shield (29) which is fixed to the central tube (27) in the upper region (12) of the container (10), a guide ring (31) which is located in the lower region (13) of the container (10) and surrounds the central tube (27) essentially concentrically at a distance (L) for part of its length so that a first opening (34) is formed between the wall of the container (10) at the upper edge (22) of the depression and the lower end (33) of the guide ring (31) and a second opening (36) is formed between the deflection shield (29) and the upper edge (35) of the guide ring (31), and means, for example valves (21), for introducing a fluid into the container (10). In the apparatus of the present invention, the outer wall of the central tube (27) is at least partly provided with an adhesion-reducing coating (38). In a preferred embodiment, the distance (L) between the wall of the central tube (27) and the wall of the guide ring (27) is greater than the open height (H3) of the first opening (34). The invention also provides a process for producing supported catalysts using such an apparatus.
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3.发明申请Gas phase oxidation catalyst with defined vanadium oxide particle size distribution 有权气相氧化催化剂具有规定的氧化钒粒度分布公开(公告)号：US20070093384A1
公开(公告)日：2007-04-26
申请号：US10573481
申请日：2004-09-24
IPC分类号： B01J23/22
CPC分类号： C07C51/313 , B01J23/002 , B01J23/22 , B01J27/198 , B01J35/023 , B01J37/0219 , B01J37/0221 , B01J2523/00 , C07C51/265 , C07C63/16 , B01J2523/15 , B01J2523/47 , B01J2523/53 , B01J2523/55
摘要： A process is described for producing a catalyst for gas-phase oxidations, in which a suspension of TiO2 and V2O5 particles is applied to a fluidized inert support, wherein at least 90% by volume of the V2O5 particles have a diameter of 20 μm or less and at least 95% by volume of the V2O5 particles have a diameter of 30 μm or less. The defined particle size distribution of the V2O5 allows a high coating efficiency.
摘要翻译： 描述了一种制备用于气相氧化的催化剂的方法，其中施加TiO 2和V 2 O 5 O 5颗粒的悬浮液 涉及一种流化惰性载体，其中至少90％（体积）的V 2 O 5 O 3颗粒的直径为20μm或更小，至少95体积％ V 2 O 5颗粒的直径为30μm或更小。 V 2 O 5 O 5的限定的粒度分布允许高涂层效率。
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4.发明申请Mehtod for the production of a catalyst for gas-phase oxidations by the coating of support materials in a fluid bed apparatus 审中-公开Mehtod用于通过在流化床装置中涂覆支撑材料来生产用于气相氧化的催化剂公开(公告)号：US20070135302A1
公开(公告)日：2007-06-14
申请号：US10573480
申请日：2004-09-24
IPC分类号： B01J23/00
CPC分类号： B01J2/16 , B01J2/006 , B01J23/22 , B01J35/0006 , B01J35/002 , B01J35/1014 , B01J37/0009 , B01J37/0221 , B01J37/0232 , B01J37/0244
摘要： The invention relates to a process for producing a catalyst for gas-phase oxidations, which comprises weighing a particulate inert support having a total mass of Msupport into a fluidized-bed apparatus, providing an aqueous suspension of a catalytically active material or sources therefor and a binder having a binder content of Bsusp, fluidizing the inert support by introduction of a gas stream heated to a temperature of Tgas at a flow rate of Qgas, and spraying the suspension at a rate of Qsusp onto the fluidized inert support. When Qgas, Qsusp, Bsusp, Msupport and Tgas are selected within the ranges 3000≦Qgas [m3/h]≦9000, 1000≦Qsusp [g/min]≦3500, 2≦Bsusp [% by weight]≦18, 60≦Msupport [kg]≦240. 75≦Tgas [° C.]≦120 so that a parameter K defined as K=0.020 Qgas−0.055 Qsusp+7.500 Bsusp−0.667 Msupport+2.069 Tgas−7satisfies the relationship 127.5≦K≦202, high-quality coatings can be produced and the formation of twins made up of support particles adhering to one another can be avoided.
摘要翻译： 本发明涉及一种用于生产气相氧化催化剂的方法，该方法包括将具有总质量的载体的颗粒惰性载体称重到流化床装置中，提供水悬浮液 催化活性材料或其来源以及具有粘合剂含量为B susp susp susp susp susp a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a Q气体的流速，并以悬浮液的速度将悬浮液喷雾到流化的惰性载体上。 当气体气体时，Q 1，B 2，B 3，M 3，N 2， 在3000以下范围内选择气体[m 3 / h] <= 9000,1000 <= Q [g / min ] <= 3500，2 <= B [重量％] <= 18,60 <= M [kg] = 240。 75 <= T [°C] <= 120，使得定义为<？in-line-formula description =“In-Line Formulas”end =“lead”？> K = 0.020 Q气体-0.055 Q + +7.500 B＆lt;＆nbsp;＆nbsp;＆nbsp;＆nbsp;＆nbsp;＆nbsp;＆nbsp;＆nbsp;＆nbsp;＆nbsp;＆nbsp;＆nbsp;＆nbsp; 气体-7 <？在线公式描述=“在线公式”end =“tail”？>满足关系127.5 <= K <= 202，可以生产高品质涂层并形成 可以避免由彼此粘附的支撑颗粒构成的双胞胎。
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5.发明申请公开(公告)号：US20070196253A1
公开(公告)日：2007-08-23
申请号：US10592482
申请日：2005-03-14
IPC分类号： B01J8/06
CPC分类号： B01J8/067 , B01J8/003 , B01J2208/00752
摘要： The invention relates to an apparatus for introducing loose materials, in particular catalysts made up of small bodies, into tubes, containers and the like which has a number of charging units and a transport device (1) which moves all the charging units simultaneously. To achieve reliable and exact relocation of the filling units, the transport device comprises a baseplate (2) which can be moved back and forth, at least one piston-cylinder unit (3) fastened to the baseplate and one or more transport claws (5), with the transport claws being operatively connected to the piston-cylinder unit, being rotatable about a common axis and having their free end projecting through openings (6) in the baseplate into tubes (7), containers and the like and the length of the openings in the direction of movement of the baseplate being equal to or greater than the stroke of the piston-cylinder unit.
摘要翻译： 本发明涉及一种将松散材料，特别是由小体构成的催化剂引入具有多个充电单元的管，容器等中的装置，以及同时移动所有充电单元的运输装置（1）。 为了实现填充单元的可靠和精确的重新定位，输送装置包括可以前后移动的底板（2），至少一个活塞 - 气缸单元（3）固定到基板和一个或多个输送爪（5 ），其中运输爪可操作地连接到活塞 - 气缸单元，可围绕公共轴线旋转并且其自由端通过基板中的开口（6）突出到管（7），容器等中，并且其长度 基板的移动方向上的开口等于或大于活塞 - 气缸单元的行程。
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公开(公告)号：US4528337A
公开(公告)日：1985-07-09
申请号：US604082
申请日：1984-04-26
申请人： Kurt Kreilein , Hans Geschonke , Wolfgang Rummel , Hardo Wiemer
发明人： Kurt Kreilein , Hans Geschonke , Wolfgang Rummel , Hardo Wiemer
CPC分类号： C08F14/06 , Y10S526/918
摘要： A process for the manufacture of vinyl chloride polymers or copolymers by microsuspension polymerization of vinyl chloride or vinyl chloride and up to 30% by weight, based on the total monomer content, of .alpha.-olefinically unsaturated monomers copolymerizable with vinyl chloride comprising the steps of:(1) dispersing the monomer or the monomer mixture in water in the presence of from 0.1 to 3% by weight, based on the total weight of the monomer content, of microsuspension dispersion auxiliaries and from 0.001 to 3% by weight, based on the total weight of the monomer content, of microsuspension monomer - soluble radical - initiators;(2) homogenizing said dispersion so that monomer droplets mostly having a mean diameter of from 0.1 to 3 .mu.m are obtained;(3) polymerizing said homogenized dispersion in a vertically elongated reactor area at a preselected elevated temperature and elevated pressure, while(4) maintaining an inert gas cushion over said aqueous polymerization mixture in said reactor area;(5) during said polymerization withdrawing gas from said inert gas cushion and, inserting a substantially inert gas only slightly soluble in the reaction mixture and substantially free of vinyl chloride into said aqueous polymerization mixture at the lower part of said vertically elongated reactor area in the form of small bubbles so that the partial pressure of said substantially inert gas is from 0.5 to 10 bar and the volume of the gas inserted is, under the reaction conditions, from 1 to 100% of the volume of said vertically elongated reaction area per hour or taking the inert gas from an external supply, the pressure in the reactor held constant and the same amount of gas blown into the autoclave is released; and(6) recovering said vinyl chloride polymer or copolymer resulting in more uniform polymers and an improved space/time yield.
摘要翻译： 一种通过氯乙烯或氯乙烯的微悬浮聚合制造氯乙烯聚合物或共聚物的方法，以及基于总单体含量高达30重量％的可与氯乙烯共聚的α-烯属不饱和单体的方法，包括以下步骤： （1）基于单体含量的总重量为0.1〜3重量％的微悬浮分散助剂和0.001〜3重量％的单体或单体混合物在水中分散，基于 单体含量的总重量，微悬浮单体 - 可溶性自由基 - 引发剂; （2）使所述分散体均化，得到主要具有0.1至3μm平均直径的单体液滴; （3）在预选的升高的温度和升高的压力下将所述均质分散体聚合在垂直伸长的反应器区域中，同时（4）在所述反应器区域中的所述水性聚合混合物上保持惰性气体垫; （5）在所述聚合过程中，从所述惰性气体衬垫中抽出气体，并且在所述垂直伸长的反应器区域的下部将基本惰性的气体仅插入到反应混合物中并基本上不含氯乙烯进入所述水性聚合混合物 形成小气泡，使得所述基本惰性气体的分压为0.5至10巴，并且在反应条件下插入的气体的体积为每小时所述垂直伸长的反应区域的体积的1至100％ 或从外部供给的惰性气体中，反应器中的压力保持恒定，并且释放吹入高压釜中的相同量的气体; 和（6）回收所述氯乙烯聚合物或共聚物，得到更均匀的聚合物和改进的空间/时间产率。
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7.发明授权
公开(公告)号：US4128516A
公开(公告)日：1978-12-05
申请号：US813663
申请日：1977-07-07
CPC分类号： C08F6/003
摘要： In the process for the gentle degasification of coagulation-sensitive PVC latices in a confined space under reduced pressure and stirring at elevated temperatures with steam injection onto the latex surface, the improvement consisting essentially of conducting said degasification at a selected temperature from 50.degree. C to 80.degree. C at a pressure corresponding to the boiling pressure of water at the selected temperature, stirring said latex by an inclined stirrer whereby a rolling action of said latex in said confined space is effected and introducing said steam into the gas space above said latex but directed along the surface of the confined space.
摘要翻译： 在减压下在密闭空间中缓和脱气并在高温搅拌下通过蒸汽注射到胶乳表面上的凝胶敏感性PVC胶乳的方法中，改进主要包括在选定的温度从50℃至 80℃，在相应于所选温度的水的沸腾压力的压力下，通过倾斜搅拌器搅拌所述胶乳，从而实现所述胶乳在所述密闭空间中的滚动作用，并将所述蒸汽引入上述胶乳上方的气体空间中，但 沿着密闭空间的表面。
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