Production of mesophase pitches, carbon fiber precursors, and carbonized
fibers
    1.
    发明授权
    Production of mesophase pitches, carbon fiber precursors, and carbonized fibers 失效
    生产中间相沥青,碳纤维前体和碳化纤维

    公开(公告)号:US5614164A

    公开(公告)日:1997-03-25

    申请号:US944146

    申请日:1992-09-11

    IPC分类号: C10C3/00 D01F9/155

    CPC分类号: D01F9/155 C10C3/002

    摘要: Producing carbon fiber precursors and carbonized fibers comprise by treating a thin film of catalytic pitch at elevated temperature conditions, treating the resulting heavy isotropic pitch by agitating with an inert gas under elevated temperature conditions to form a mesophase pitch, forming green fibers from said mesophase pitch, stabilizing and optionally carbonizing said green fibers to obtain the desired product.

    摘要翻译: 生产碳纤维前体和碳化纤维包括通过在高温条件下处理催化沥青的薄膜,在高温条件下用惰性气体搅拌处理所得重的各向同性沥青以形成中间相沥青,由所述中间相沥青形成绿色纤维 ,稳定和任选地碳化所述绿色纤维以获得所需产物。

    Mesophase pitches, carbon fiber precursors, and carbonized fibers
    2.
    发明授权
    Mesophase pitches, carbon fiber precursors, and carbonized fibers 失效
    中间相沥青,碳纤维前体和碳化纤维

    公开(公告)号:US5238672A

    公开(公告)日:1993-08-24

    申请号:US369442

    申请日:1989-06-20

    IPC分类号: C10C3/00 D01F9/155

    CPC分类号: D01F9/155 C10C3/002

    摘要: Producing carbon fiber precursors and carbonized fibers comprise by treating a thin film of catalytic pitch at elevated temperature conditions, treating the resulting heavy isotropic pitch by agitating with an inert gas under elevated temperature conditions to form a mesophase pitch, forming green fibers from said mesophase pitch, stabilizing and optionally carbonizing said green fibers to obtain the desired product.

    摘要翻译: 生产碳纤维前体和碳化纤维包括通过在高温条件下处理催化沥青的薄膜,在高温条件下用惰性气体搅拌处理所得重的各向同性沥青以形成中间相沥青,由所述中间相沥青形成绿色纤维 ,稳定和任选地碳化所述绿色纤维以获得所需产物。

    Addition of magnetically active moieties for magnetic beneficiation of
particulates in fluid bed hydrocarbon processing
    3.
    发明授权
    Addition of magnetically active moieties for magnetic beneficiation of particulates in fluid bed hydrocarbon processing 失效
    添加磁性活性部分用于在流化床烃加工中磁选精矿

    公开(公告)号:US5230869A

    公开(公告)日:1993-07-27

    申请号:US771678

    申请日:1991-10-04

    IPC分类号: B01J8/42 C10G11/18

    CPC分类号: C10G11/18 B01J8/42

    摘要: By continuously or intermittently adding amounts of magnetically active moieties, e.g. iron compounds, over time so that the moiety deposits on a catalyst or sorbent in a fluid catalytic cracker or similar circulating hydrocarbon conversion unit, older catalyst, being more magnetic, can be readily separated from catalyst which has been in the system a shorter time. Separation is readily accomplished by passing the catalyst and/or sorbent through a magnetic field and discarding the more magnetic 50% by wt. or more preferably 20% by wt., while recycling the remainder back to the hydrocarbon conversion unit.

    摘要翻译: 通过连续或间歇地加入量的磁性活性部分,例如, 铁化合物随着时间的推移使得部分沉积在流化催化裂化器或类似的循环烃转化装置中的催化剂或吸附剂上,较老的催化剂更具磁性,可以容易地从系统中的催化剂中分离出更短的时间。 通过使催化剂和/或吸附剂通过磁场并且丢弃50%(重量)以上的磁体,容易实现分离。 或更优选20重量%,同时将剩余物回收到烃转化单元。

    Vented riser for stripping spent catalyst

    公开(公告)号:US4869879A

    公开(公告)日:1989-09-26

    申请号:US533371

    申请日:1983-09-16

    IPC分类号: B01J8/22 C10G11/18 C10G51/02

    摘要: A process for economically converting carbo-metallic oils to lighter products. The carbo-metallic oils contain 650.degree. F.+ material which is characterized by a carbon residue on pyrolysis of at least about 1 and a Nickel Equivalents of heavy metals content of at least about 4 parts per million. This process comprises flowing the carbo-metallic oil together with particulate cracking catalyst through a progressive flow type reactor having an elongated reaction chamber, which is at least in part vertical or inclined, for a predetermined vapor riser residence time in the range of about 0.5 to about 10 seconds, at a temperature of about 900.degree. to about 1400.degree. F., and under a pressure of about 10 to about 50 pounds per square inch absolute sufficient for causing a conversion per pass in the range of about 40% to 90% while producing coke in amounts in the range of about 6 to about 14% by weight based on fresh feed, and laying down coke on the catalyst in amounts in the range of about 0.3 to about 3% by weight. The spent, coke-laden catalyst from the stream of hydrocarbons formed by vaporized feed and resultant cracking products is separated, the sorbed hydrocarbons are stripped from the spent catalyst particles by mixing them with hot regenerated catalyst particles and passing the mixture through an elongated stripping chamber where desorbed hydrocarbons are cracked by regenerated catalyst particles which are present. The stripped catalyst is regenerated in one or more regeneration beds in one or more regeneration zones by burning the coke on the spent catalyst with oxygen. The catalyst particles are retained in the regeneration zone or zones in contact with the combustion-supporting gas for an average total residence time in said zone or zones of about 5 to about 30 minutes to reduce the level of carbon on the catalyst to about 0.25% by weight or less. The regenerated catalyst is recycled to the reactor and contacted with fresh carbo-metallic oil.

    Combination magnetic separation, classification and attrition process
for renewing and recovering particulates
    5.
    发明授权
    Combination magnetic separation, classification and attrition process for renewing and recovering particulates 失效
    组合磁选,分级和磨损过程,用于更新和回收颗粒物

    公开(公告)号:US5393412A

    公开(公告)日:1995-02-28

    申请号:US695188

    申请日:1991-05-03

    IPC分类号: C10G11/18 C10G11/05

    CPC分类号: C10G11/182

    摘要: Optimized utilization of combinations of fluid catalyst magnetic separator, classifier, and/or attriter can be used to achieve lower catalyst cost, and better catalyst activity and selectivity through control of metal-on-catalyst, particle size and particle size distribution. This process is especially useful when processing high metal-containing feedstocks. This provides a catalyst recovery unit (RCU.TM.) ancillary to an FCC or similar unit.

    摘要翻译: 流体催化剂磁选机,分选机和/或磨碎机组合的优化利用可用于实现较低的催化剂成本,以及通过控制催化剂上的金属,粒度和粒度分布来获得更好的催化剂活性和选择性。 当处理高含金属原料时,该方法特别有用。 这提供了与FCC或类似单元相连的催化剂回收单元(RCU TM)。

    Composition comprising magnetically active moieties for magnetic
beneficiation of particulates in fluid bed hydrocarbon processing
    6.
    发明授权
    Composition comprising magnetically active moieties for magnetic beneficiation of particulates in fluid bed hydrocarbon processing 失效
    组合物,其包含用于在流化床烃处理中磁选择颗粒的磁性活性部分

    公开(公告)号:US5364827A

    公开(公告)日:1994-11-15

    申请号:US73834

    申请日:1993-06-08

    CPC分类号: B01J8/42 C10G11/18

    摘要: By continuously or intermittently adding amounts of magnetically active moieties, e.g. iron compounds, over time so that the moiety deposits on a catalyst or sorbent in a fluid catalytic cracker or similar circulating hydrocarbon conversion unit, older catalyst, being more magnetic, can be readily separated from catalyst which has been in the system a shorter time. Separation is readily accomplished by passing the catalyst and/or sorbent through a magnetic field and discarding the more magnetic 50% by wt. or more preferably 20% by wt., while recycling the remainder back to the hydrocarbon conversion unit.

    摘要翻译: 通过连续或间歇地加入量的磁性活性部分,例如, 铁化合物随着时间的推移使得部分沉积在流化催化裂化器或类似的循环烃转化装置中的催化剂或吸附剂上,较老的催化剂更具磁性,可以容易地从系统中的催化剂中分离出更短的时间。 通过使催化剂和/或吸附剂通过磁场并且丢弃50%(重量)以上的磁体,容易实现分离。 或更优选20重量%,同时将剩余物回收到烃转化单元。

    Magnetic separation of old from new equilibrium particles by means of
manganese addition
    7.
    发明授权
    Magnetic separation of old from new equilibrium particles by means of manganese addition 失效
    通过锰添加剂从新平衡颗粒中分离旧的磁性

    公开(公告)号:US5198098A

    公开(公告)日:1993-03-30

    申请号:US602455

    申请日:1990-10-19

    IPC分类号: B03C1/00 B03C1/12 C10G11/18

    CPC分类号: B03C1/002 B03C1/12 C10G11/182

    摘要: An improved catalytic process for heavy hydrocarbon conversion, (usually, but not necessarily, in the presence of nickel and vanadium on the catalyst and in the feedstock.) to produce lighter molecular weight fractions. Manganese, which has paramagnetic properties, is added so it progressively accumulates on aged catalyst, and enhances magnetic separation of aged catalyst, to increase activity and improve selectivity of remaining catalyst which is recycled. Manganese acts as a "magnetic hook" to separate more magnetic, older, less catalytically active and less selective, higher-metals-containing catalyst particulates from less-magnetically-active, lower-metal-containing, more catalytically active and selective catalysts fractions, which are then recycled back to the unit.

    摘要翻译: 用于重烃转化的改进的催化方法(通常但不一定在催化剂和原料中的镍和钒的存在下)以产生更轻的分子量分数。 具有顺磁特性的锰被添加,因此它逐渐积累在老化的催化剂上,并且增强了老化催化剂的磁分离,从而提高了再循环的剩余催化剂的活性和提高了选择性。 锰作为“磁性钩”,以从较低磁性,较低含金属,更具催化活性和选择性的催化剂组分分离出更多磁性,较老的,较少催化活性的和较低选择性的含较高金属的催化剂颗粒, 然后将其再循环回单元。

    Microspherical catalysts
    8.
    发明授权
    Microspherical catalysts 失效
    微球形催化剂

    公开(公告)号:US4548912A

    公开(公告)日:1985-10-22

    申请号:US494609

    申请日:1983-05-16

    摘要: A catalyst which is a hollow microsphere comprising an outer shell in which there are feeder pores and an active ingredient arranged within the shell. The microsphere has a diameter ranging from 20 to 120 microns and the shell has a thickness ranging from 0.1 to 20.0 microns. The active ingredient fills 1.0% to 100% of the void space within the microsphere.

    摘要翻译: 一种中空微球的催化剂,其包含外壳,其中存在进料孔,活性成分布置在壳内。 微球的直径范围为20至120微米,壳的厚度范围为0.1至20.0微米。 活性成分填充微球内1.0%至100%的空隙空间。

    Processes for the manufacture of enriched pitches and carbon fibers
    9.
    发明授权
    Processes for the manufacture of enriched pitches and carbon fibers 失效
    生产富集沥青和碳纤维的工艺

    公开(公告)号:US5316654A

    公开(公告)日:1994-05-31

    申请号:US776179

    申请日:1985-09-13

    IPC分类号: C10C3/00 C10C1/00

    CPC分类号: C10C3/00

    摘要: There are provided improved processes for the manufacture of enriched pitches, carbon fiber precursors, carbon fibers, and graphite fibers. The improvement comprises employing an elevated wiped-film evaporator in a wiped-film evaporator system comprising the wiped-film evaporator and a means for recovering enriched pitch, such as a positive displacement pump, to form an enriched pitch from catalytic pitch and regulating the operating conditions of the wiped-film evaporator system to provide the desired enriched pitch. The wiped-film evaporator is located a specific distance above the means for recovering enriched pitch. The vertical distance between the outlet of the wiped-film evaporator and the inlet of the means for recovering enriched pitch is within the range of about 10 feet to about 40 feet, preferably about 20 feet to about 40 feet.

    摘要翻译: 提供了用于制造富集沥青,碳纤维前体,碳纤维和石墨纤维的改进方法。 该改进包括在包括刮膜蒸发器的擦拭膜蒸发器系统中采用升高的擦拭膜蒸发器和用于回收富集沥青的装置,例如正位移泵,以从催化沥青形成富集的沥青并调节操作 擦拭膜蒸发器系统的条件以提供所需的富集沥青。 擦拭膜蒸发器位于用于回收富集沥青的装置上方的特定距离处。 擦拭膜蒸发器的出口和用于回收富集沥青的装置的入口之间的垂直距离在约10英尺至约40英尺的范围内,优选约20英尺至约40英尺。

    Superparamagnetic formation of FCC catalyst provides means of separation
of old equilibrium fluid cracking catalyst
    10.
    发明授权
    Superparamagnetic formation of FCC catalyst provides means of separation of old equilibrium fluid cracking catalyst 失效
    FCC催化剂的超顺磁性形成提供了分离旧平衡流体裂解催化剂的手段

    公开(公告)号:US5190635A

    公开(公告)日:1993-03-02

    申请号:US777473

    申请日:1991-10-17

    IPC分类号: C10G11/18

    CPC分类号: C10G11/182 C10G11/18

    摘要: Improved catalytic process for carrying out heavy hydrocarbon conversion in the presence of metal on the catalyst and in the feedstock, by catalytic cracking such heavy carbometallic oils to lighter molecular weight fractions. The discovery of a ferro/superparamagnetic component of older catalyst, which when present, can be employed to achieve enhanced magnetic separation of aged catalyst. This invention utilizes this property to enhance separation of more magnetically active, older, less catalytically active and selective, higher metals-containing catalyst particulates from less magnetically active, lower metal containing particulates. The more catalytically active and selective catalysts fractions, are then recycled back to the process.

    摘要翻译: 改进的催化方法,用于在金属存在下在催化剂和原料中进行重质烃转化,通过催化裂化这种重金属油到更轻的分子量级分。 发现老催化剂的铁/超顺磁组分(其存在时)可用于实现老化催化剂的增强的磁分离。 本发明利用该性质来增强从较低磁性活性的较低含金属颗粒物中分离出更多的具有较高活性,较老的,较少催化活性和选择性较高的含金属的催化剂颗粒。 然后催化活性和选择性较高的催化剂级分再循环回该方法。