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    • 3. 发明专利
    • Carrier-free hydrocarbon direct decomposition catalyst
    • 无载体碳氢化合物直接分解催化剂
    • JP2008183560A
    • 2008-08-14
    • JP2008104049
    • 2008-04-11
    • Japan Steel Works Ltd:TheKajima CorpAsao Tada旭男 多田株式会社日本製鋼所鹿島建設株式会社
    • NAKAMURA SATOSHITADA ASAOTOGO YOSHITAKAKOSEKI KIKUO
    • B01J23/70
    • PROBLEM TO BE SOLVED: To provide a catalyst that maintains a stable performance with regard to the decomposition of hydrocarbons over a long time without a carrier. SOLUTION: A catalytic metal precursor is heated in the temperature range of 200 to 1,000°C to be activated under a non-oxidizing atmosphere and preferably, under an inert gas or hydrocarbon gas to obtain a catalyst. The catalyst is not supported by a carrier and carbon particles are interposed between catalytic metal particles. The hydrocarbon is allowed to contact the catalyst obtained by the activation at 200 to 1,000°C to perform direct decomposition on the hydrocarbon. Carbons are produced between the catalytic metal particles to prevent the flocculation of the catalytic metal particles and this allows a catalyst performance to be maintained for a long time, thereby enabling the system to obtain a high purity-carbon containing no catalyst carrier. The catalyst can be obtained without any carrier, thereby enabling the system to manufacture the catalyst at a low cost. COPYRIGHT: (C)2008,JPO&INPIT
    • 待解决的问题:提供一种在没有载体的情况下长时间保持烃的分解的稳定性能的催化剂。 解决方案:将催化金属前体在200-1000℃的温度范围内加热,以在非氧化性气氛下,优选在惰性气体或烃气体下活化,得到催化剂。 催化剂不被载体负载,碳颗粒介于催化金属颗粒之间。 允许烃在200至1000℃下与通过活化获得的催化剂接触以对烃进行直接分解。 在催化金属颗粒之间产生碳以防止催化金属颗粒的絮凝,并且这允许长时间保持催化剂性能,从而使得该体系可以获得不含催化剂载体的高纯度碳。 可以在没有任何载体的情况下获得催化剂,从而能够以低成本制造催化剂。 版权所有(C)2008,JPO&INPIT
    • 4. 发明专利
    • Catalyst for direct decomposition of lower hydrocarbon
    • 催化剂用于低碳氢化合物的直接分解
    • JP2006043645A
    • 2006-02-16
    • JP2004231736
    • 2004-08-06
    • Japan Steel Works Ltd:TheKajima CorpAsao Tada旭男 多田株式会社日本製鋼所鹿島建設株式会社
    • TADA ASAOTOGO YOSHITAKATAKASAGO HIROYUKINAKAMURA SATOSHIITO HIDEAKI
    • B01J23/745C01B3/26C01B31/02H01M8/06
    • Y02E60/50
    • PROBLEM TO BE SOLVED: To provide a catalyst for direct decomposition of lower hydrocarbon which is friendly to environment and is economical. SOLUTION: The catalyst for direct decomposition of lower hydrocarbon is prepared by depositing iron on a surface of a carrier consisting essentially of silica (SiO 2 ) via covering of non-ferrous metal oxide. For example, after the carrier consisting essentially of silica is impregnated with a non-ferrous metal salt solution and then is dried and calcined, the carrier is impregnated with the mixed solution of the non-ferrous metal salt and an iron salt and then is dried and calcined. Preferably the non-ferrous metal oxide is alumina (Al 2 O 3 ). More preferably foamed glass is used as the carrier consisting essentially of silica. The foamed glass can be obtained as a bulk phase porous body, for example, by adding a foaming agent to pulverized matter of waste glass and performing melting and foaming. The foamed glass having higher ratio of continuous air pores compared to closed cells is desirable. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种直接分解对环境友好且经济的低级烃的催化剂。 解决方案:通过覆盖有色金属氧化物,通过在基本上由二氧化硅(SiO 2 SB 2)组成的载体的表面上沉积铁来制备用于直接分解低级烃的催化剂。 例如,在基本上由二氧化硅组成的载体用非铁金属盐溶液浸渍之后,将其干燥和煅烧,用非铁金属盐和铁盐的混合溶液浸渍载体,然后干燥 并煅烧。 优选地,有色金属氧化物是氧化铝(Al 2 SB 3 O 3 / SB 3)。 更优选使用泡沫玻璃作为主要由二氧化硅组成的载体。 作为体相多孔体,例如可以通过在废玻璃的粉碎物中添加发泡剂,进行熔融发泡而得到发泡玻璃。 与闭孔相比,具有较高连续空气孔率的泡沫玻璃是理想的。 版权所有(C)2006,JPO&NCIPI
    • 5. 发明专利
    • Apparatus for directly cracking lower hydrocarbon
    • 直接破碎下层油料的装置
    • JP2006096590A
    • 2006-04-13
    • JP2004282763
    • 2004-09-28
    • Japan Steel Works Ltd:TheKajima CorpAsao Tada旭男 多田株式会社日本製鋼所鹿島建設株式会社
    • TADA ASAOTOGO YOSHITAKATAKASAGO HIROYUKINAKAMURA SATOSHIITO HIDEAKI
    • C01B3/26B01J23/94B01J38/00C01B3/02
    • Y02P20/584
    • PROBLEM TO BE SOLVED: To provide an apparatus for directly cracking lower hydrocarbons capable of continuously removing hydrogen and solid carbon. SOLUTION: A heat resistant coil-shaped reaction tube 2 is heated by a heating means 10 to a cracking reaction temperature. A lower hydrocarbon gas M (for example, methane gas) and a catalyst powder T for direct cracking reaction of the hydrocarbon are concurrently delivered from a delivery apparatus 20 to one end 3 of the reaction tube 2. A generated cracking gas (for example, hydrogen) and the catalyst powder T discharged from the other end 5 of the reaction tube 2 are separated in a separating apparatus 30. The delivery apparatus 20 comprises a blower 21 for injecting the lower hydrocarbon gas flow M and a catalyst charging device 22 for mixing the catalyst powder T into the gas flow M from the blower 21. The catalyst powder T separated in the separating apparatus 30 is returned back to the catalyst charging device 22. The separating apparatus 30 comprises an unreacted gas-separating apparatus 34 for separating the generated cracking gas from the unreacted low hydrocarbon gas M. The unreacted gas M separated in the unreacted gas-separating apparatus 34 is returned back to the blower 21 or to the gas flow M. The heating means 10 is mounted so that it is aligned with the central axis of the coil-shaped reaction tube 2. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种用于直接裂解能够连续除去氢和固体碳的低级烃的装置。 解决方案:将耐热线圈形反应管2通过加热装置10加热到裂化反应温度。 烃的直接裂解反应的低级烃气体M(例如甲烷气体)和催化剂粉末T从输送装置20同时输送到反应管2的一端。产生的裂解气体(例如, 氢),从反应管2的另一端5排出的催化剂粉末T在分离装置30中分离。输送装置20包括用于喷射下部烃类气体流M的鼓风机21和用于混合的催化剂填充装置22 催化剂粉末T进入来自鼓风机21的气流M.在分离装置30中分离的催化剂粉末T返回到催化剂装料装置22.分离装置30包括未反应气体分离装置34,用于将产生的 从未反应的低碳氢化合物气体M中裂解气体。未反应气体分离装置34中分离的未反应气体M返回到鼓风机21或气流 加热装置10安装成使其与线圈形反应管2的中心轴线对准。版权所有(C)2006,JPO&NCIPI
    • 8. 发明专利
    • Method for producing catalyst for directly cracking lower hydrocarbon
    • 生产用于直接破碎下层烃的催化剂的方法
    • JP2011189347A
    • 2011-09-29
    • JP2011140416
    • 2011-06-24
    • Japan Steel Works Ltd:TheKajima CorpKitami Institute Of Technology国立大学法人北見工業大学株式会社日本製鋼所鹿島建設株式会社
    • TADA ASAONAKAMURA SATOSHIKOSEKI KIKUOTOGO YOSHITAKA
    • B01J23/745
    • PROBLEM TO BE SOLVED: To provide a method for producing a catalyst for directly cracking lower hydrocarbons which can efficiently crack lower hydrocarbons using scrap materials. SOLUTION: An aqueous solution of aluminum chloride that is obtained by dissolving a material of waste aluminum in an aqueous solution of hydrochloric acid is used as a raw material of the catalyst carrier. An aqueous solution of iron chloride or an aqueous solution of iron nitrate that is obtained by dissolving a material of waste iron in an aqueous solution of hydrochloric acid or nitric acid is used as a catalyst raw material. In order to precipitate the aqueous solution of aluminum chloride as aluminum hydroxide by neutralization, an aqueous solution of sodium hydroxide or ammonia is used for filtration. Aluminum hydroxide is separated from an aqueous solution of sodium chloride or an aqueous solution of ammonium chloride. Iron-carrying alumina is obtained by impregnating the separated aluminum hydroxide with the aqueous solution of iron chloride or the aqueous solution of iron nitrate and evaporating the same to dryness. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种用于直接裂化低级烃的催化剂的方法,其可以使用废料有效地裂解低级烃。 溶液:将废铝的材料溶解在盐酸水溶液中而得到的氯化铝水溶液用作催化剂载体的原料。 使用通过将废铁的材料溶解在盐酸或硝酸的水溶液中而获得的氯化铁水溶液或硝酸铁水溶液作为催化剂原料。 为了通过中和将氢氧化铝中的氯化铝水溶液中和,使用氢氧化钠或氨水溶液进行过滤。 将氢氧化铝与氯化钠水溶液或氯化铵水溶液分离。 通过用氯化铁水溶液或硝酸铁水溶液浸渍分离的氢氧化铝,并将其蒸发至干,得到载铁氧化铝。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Method and catalytic reactor for producing nano-carbon
    • 用于生产纳米碳的方法和催化反应器
    • JP2011116656A
    • 2011-06-16
    • JP2011055448
    • 2011-03-14
    • Japan Steel Works Ltd:TheKajima CorpKitami Institute Of Technology国立大学法人北見工業大学株式会社日本製鋼所鹿島建設株式会社
    • TADA ASAONAKAMURA SATOSHINAKAMURA TETSUSHIGEKAKIHARA HAJIMETOGO YOSHITAKAKOSEKI KIKUOTAKASAGO HIROYUKI
    • C01B31/02
    • PROBLEM TO BE SOLVED: To make it possible to continuously and stably produce nano-carbon by catalytic reaction using lower hydrocarbons as raw materials.
      SOLUTION: A catalytic reactor has a screw feeder 1a as a pressure reactor, catalyst feeding parts 5, 6, 7 for introducing a catalyst 20 into the feeder 1a, lower hydrocarbon feeding parts 3, 4 for introducing the lower hydrocarbons into the feeder 1a, a screw 1b for transporting the catalyst and the nano-carbon formed by the thermal decomposition of the lower hydrocarbons in the feeder 1a only by its rotation, a solid sending-out part 10 for sending out the catalyst and the nano-carbon transported by the screw 1b to the outside of the feeder 1a, and a gas sending-out part 11 for sending out unreacted lower hydrocarbons and hydrogen formed by the thermal decomposition to the outside of the feeder 1a. The continuous reaction is performed efficiently at a constant conversion ratio by continuously discharging the nano-carbon growing with the elapse of time and used catalyst to the outside of the reactor and feeding the same amount of a virgin catalyst as that of the used catalyst.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:通过使用低级烃作为原料的催化反应,可以连续稳定地制造纳米碳。 解决方案:催化反应器具有作为压力反应器的螺旋进料器1a,用于将催化剂20引入进料器1a的催化剂进料部分5,6,7,用于将低级烃引入到下部烃进料部分3,4中 进料器1a,用于输送催化剂的螺杆1b和通过其进给器1a中的低级烃的热分解形成的纳米碳;固体送出部分10,用于将催化剂和纳米碳 通过螺杆1b输送到进料器1a的外部,以及气体输出部11,用于将未反应的低级烃和由热分解形成的氢气送出到进料器1a的外部。 通过将经过时间的纳米碳生长和使用的催化剂连续排出到反应器的外部并进料与使用的催化剂相同量的原始催化剂,以恒定的转化率进行连续反应。 版权所有(C)2011,JPO&INPIT