Organometallic containing mesophase pitches for spinning into pitch carbon fibers
    21.
    发明授权
    Organometallic containing mesophase pitches for spinning into pitch carbon fibers 失效
    有机金属含有中间相沥青,用于纺丝成沥青碳纤维

    公开(公告)号:US06270652B1

    公开(公告)日:2001-08-07

    申请号:US09293364

    申请日:1999-04-16

    CPC classification number: C10C3/026 D01F9/145

    Abstract: An improved process is disclosed for producing a unique metals-containing anisotropic pitch suitable for carbon fiber manufacture. Soluble, aromatic-organometallic compounds are added to a carbonaceous feedstock which is substantially free of mesophase pitch and the resulting composition is heat soaked to produce an isotropic pitch product containing mesogens and soluble, aromatic-organometallic compounds. Next, the pitch product is solvent fractionated to separate mesogens which contain metals from the organometallic compounds. The metals-containing mesogens are heated to a temperature sufficient to cause fusion to produce a metals-containing mesophase pitch. In another method, the carbonaceous feedstock is heat soaked to produce an isotropic pitch product containing mesogens and high molecular weight, soluble, aromatic-organometallic compounds are added to the mesogen containing isotropic pitch product prior to solvent fractionation. Metals-containing carbon fibers produced from the mesophase pitch exhibit enhanced stabilization, tensile strength and modulus properties. Alternatively, the solvent fractionation or separation is conducted under supercritical extraction conditions to produce a metals-containing mesophase pitch. Organometallic compounds may be added to the carbonaceous feedstock either prior to or after the heat soak step.

    Abstract translation: 公开了一种用于生产适用于碳纤维制造的独特的含金属各向异性间距的改进方法。 将可溶性芳族有机金属化合物加入到基本没有中间相沥青的碳质原料中,并将所得组合物热浸泡以产生含有介晶和可溶性芳族有机金属化合物的各向同性沥青产物。 接下来,对沥青产物进行溶剂分馏以从有机金属化合物中分离含有金属的介晶。 将含金属的介晶加热到足以引起熔融以产生含金属的中间相沥青的温度。另一种方法是将碳质原料热浸泡以产生含有介晶和高分子量,可溶的芳香族 - 在溶剂分馏之前,将有机金属化合物加入到含有各向同性沥青产物的介晶中。 由中间相沥青生产的含有金属的碳纤维表现出增强的稳定性,拉伸强度和模量性能。或者,溶剂分馏或分离在超临界萃取条件下进行以产生含金属的中间相沥青。 有机金属化合物可以在热浸泡步骤之前或之后加入碳质原料中。

    Organometallic containing mesophase pitches for spinning into pitch
carbon fibers
    22.
    发明授权
    Organometallic containing mesophase pitches for spinning into pitch carbon fibers 失效
    有机金属含有中间相沥青,用于纺丝成沥青碳纤维

    公开(公告)号:US5932186A

    公开(公告)日:1999-08-03

    申请号:US957887

    申请日:1997-10-27

    CPC classification number: C10C3/026 D01F9/145

    Abstract: An improved process is disclosed for producing a unique metals-containing anisotropic pitch suitable for carbon fiber manufacture. Soluble, aromatic-organometallic compounds are added to a carbonaceous feedstock which is substantially free of mesophase pitch and the resulting composition is heat soaked to produce an isotropic pitch product containing mesogens and soluble, aromatic-organometallic compounds. Next, the pitch product is solvent fractionated to separate mesogens which contain metals from the organometallic compounds. The metals-containing mesogens are heated to a temperature sufficient to cause fusion to produce a metals-containing mesophase pitch.In another method, the carbonaceous feedstock is heat soaked to produce an isotropic pitch product containing mesogens and high molecular weight, soluble, aromatic-organometallic compounds are added to the mesogen containing isotropic pitch product prior to solvent fractionation. Metals-containing carbon fibers produced from the mesophase pitch exhibit enhanced stabilization, tensile strength and modulus properties.Alternatively, the solvent fractionation or separation is conducted under supercritical extraction conditions to produce a metals-containing mesophase pitch. Organometallic compounds may be added to the carbonaceous feedstock either prior to or after the heat soak step.

    Abstract translation: 公开了一种用于生产适用于碳纤维制造的独特的含金属各向异性间距的改进方法。 将可溶性芳族有机金属化合物加入到基本没有中间相沥青的碳质原料中,并将所得组合物热浸泡以产生含有介晶和可溶性芳族有机金属化合物的各向同性沥青产物。 接下来,对沥青产物进行溶剂分馏以从有机金属化合物中分离含有金属的介晶。 将含金属的介晶加热至足以引起熔融以产生含金属的中间相沥青的温度。 在另一种方法中,将碳质原料热浸泡以产生含有介晶的各向同性沥青产物,并且在溶剂分馏之前将高分子量可溶性芳族有机金属化合物加入到含有介晶的各向同性沥青产物中。 由中间相沥青生产的含金属碳纤维具有增强的稳定性,拉伸强度和模量性能。 或者,在超临界萃取条件下进行溶剂分馏或分离以产生含金属的中间相沥青。 有机金属化合物可以在热浸泡步骤之前或之后加入碳质原料中。

    Upgrading of heavy hydrocarbons
    23.
    发明授权
    Upgrading of heavy hydrocarbons 失效
    重质烃升级

    公开(公告)号:US4347120A

    公开(公告)日:1982-08-31

    申请号:US219006

    申请日:1980-12-22

    CPC classification number: C10G47/34 C10B55/00 C10G69/02

    Abstract: Heavy hydrocarbonaceous materials are converted to distillate products and pitch in a hydrogen donor diluent cracking process, and the pitch is utilized as feed to a delayed coker. Green coke is calcined in a vertical shaft kiln, and steam is injected into the bottom of the kiln to produce hydrogen by reaction of steam with coke. The hydrogen is drawn from the kiln and used to hydrogenate recycle donor solvent for the cracking step. High sulfur coke can be desulfurized in the kiln, and distillate products in addition to donor solvent can be hydrotreated using hydrogen from the kiln.

    Abstract translation: 重质含烃材料在氢供体稀释剂裂解过程中转化为馏出物产物和沥青,沥青用作延迟焦化器的进料。 绿色焦炭在垂直立式窑中煅烧,蒸汽通过蒸汽与焦炭的反应被注入窑底部以产生氢气。 氢气从窑中抽出并用于氢化循环供体溶剂用于裂化步骤。 高硫焦炭可以在窑中脱硫,除供体溶剂外还可以使用氢气从窑中加氢处理馏出物。

    Process for utilizing petroleum residuum
    25.
    发明授权
    Process for utilizing petroleum residuum 失效
    利用石油渣的工艺

    公开(公告)号:US4176046A

    公开(公告)日:1979-11-27

    申请号:US955278

    申请日:1978-10-26

    CPC classification number: C10G47/34 C10G2300/107

    Abstract: A petroleum refinery vacuum residuum stream is subjected to hydrogen donor diluent cracking, the liquid cracking effluent is hydrodesulfurized, the hydrodesulfurizer effluent is fractionated, and the fractionator bottoms stream is fed to a delayed coker where premium type delayed coke is produced. The gas oil boiling range fraction from the fractionator is utilized as the donor diluent in the cracking step.

    Abstract translation: 炼油厂真空渣油经受供氢稀释剂裂解,液体裂解流出物被加氢脱硫,加氢脱硫剂流出物被分馏,并且分馏塔底部料流进料到产生高级型延迟焦炭的延迟焦化器中。 在裂解步骤中,来自分馏器的瓦斯油沸程馏分用作供体稀释剂。

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