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    • 1. 发明申请
    • METHOD FOR PRODUCTION OF CARBON NANOTUBE
    • 生产碳纳米管的方法
    • US20100247421A1
    • 2010-09-30
    • US12440317
    • 2007-09-07
    • Suguru NodaHisashi SugimeYukio Yamaguchi
    • Suguru NodaHisashi SugimeYukio Yamaguchi
    • D01F9/12
    • B01J38/12B01J23/745B01J23/881B01J23/882B01J23/94B01J35/04B01J37/347B82Y30/00B82Y40/00C01B32/162C01B32/17C01B2202/02Y02P20/584
    • [Problems to be Solved] There is provided a method for production of a carbon nanotube, which allows for production of the carbon nanotube in a large scale and at a low cost.[Solution] The temperature of a catalyst loaded on a support is raised by heating the support and a raw material gas containing a carbon source is supplied on the catalyst to synthesize the carbon nanotube. The synthesized carbon nanotube is recovered, and after the recovery, the catalyst is subjected to a regeneration treatment to repeatedly utilize the support. Since the catalyst deteriorates, the catalyst is regenerated periodically or nonperiodically during the production. The regeneration treatment of the catalyst involves an oxidation treatment of the catalyst. Further, after the oxidation treatment, a reducing gas is fed to and brought into contact with the catalyst surface to reduce the catalyst. As the support, a honeycomb is used.
    • [待解决的问题]提供了一种生产碳纳米管的方法,其可以大规模和低成本地生产碳纳米管。 [解决方案]通过加热载体来提高负载在载体上的催化剂的温度,并在催化剂上提供含有碳源的原料气体以合成碳纳米管。 回收合成的碳纳米管,回收后,对催化剂进行再生处理,反复利用载体。 由于催化剂劣化,催化剂在生产过程中周期性或非周期性地再生。 催化剂的再生处理涉及催化剂的氧化处理。 此外,在氧化处理之后,还原气体被供给到催化剂表面并与催化剂表面接触以还原催化剂。 作为支撑体,使用蜂窝体。
    • 2. 发明授权
    • Method for production of carbon nanotube
    • 碳纳米管生产方法
    • US08518363B2
    • 2013-08-27
    • US12440317
    • 2007-09-07
    • Suguru NodaHisashi SugimeYukio Yamaguchi
    • Suguru NodaHisashi SugimeYukio Yamaguchi
    • D01C5/00
    • B01J38/12B01J23/745B01J23/881B01J23/882B01J23/94B01J35/04B01J37/347B82Y30/00B82Y40/00C01B32/162C01B32/17C01B2202/02Y02P20/584
    • [Problems to be Solved]There is provided a method for production of a carbon nanotube, which allows for production of the carbon nanotube in a large scale and at a low cost.[Solution]The temperature of a catalyst loaded on a support is raised by heating the support and a raw material gas containing a carbon source is supplied on the catalyst to synthesize the carbon nanotube. The synthesized carbon nanotube is recovered, and after the recovery, the catalyst is subjected to a regeneration treatment to repeatedly utilize the support. Since the catalyst deteriorates, the catalyst is regenerated periodically or nonperiodically during the production. The regeneration treatment of the catalyst involves an oxidation treatment of the catalyst. Further, after the oxidation treatment, a reducing gas is fed to and brought into contact with the catalyst surface to reduce the catalyst. As the support, a honeycomb is used.
    • [待解决的问题]提供了一种生产碳纳米管的方法,其可以大规模和低成本地生产碳纳米管。 [解决方案]通过加热载体来提高负载在载体上的催化剂的温度,并在催化剂上提供含有碳源的原料气体以合成碳纳米管。 回收合成的碳纳米管,回收后,对催化剂进行再生处理,反复利用载体。 由于催化剂劣化,催化剂在生产过程中周期性或非周期性地再生。 催化剂的再生处理涉及催化剂的氧化处理。 此外,在氧化处理之后,还原气体被供给到催化剂表面并与催化剂表面接触以还原催化剂。 作为支撑体,使用蜂窝体。