JP7433752B2 - 流動床反応器におけるカーボンナノチューブの製造方法 - Google Patents
流動床反応器におけるカーボンナノチューブの製造方法 Download PDFInfo
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Description
反応に用いられた流動床反応器は、上下方向に直線状に延長され、内径0.15m及び長さ2.0mの導入部と、上記導入部と傾斜して連結され、内径0.30m及び長さ0.65mである膨張部で構成され、反応終了後、カーボンナノチューブを排出するための内径25mmの貫通孔が形成された分散板を備え、その下端からガスを供給し、上端からガスを排出する構造となっている。また、加熱部は、導入部及び膨張部の所定高さまでの区間の周囲を覆って導入部及び膨張部を加熱する加熱装置である。
Claims (10)
- 流動床反応器に触媒と炭素源を供給してカーボンナノチューブを製造する方法であって、
前記流動床反応器は、膨張部(expanded zone)を備え、
前記流動床反応器の内部物質の、最小流動化速度及び終端速度の値が同様であって、流動床反応器に供給される原料物質の流速(線速度)は、流動床反応器の前記内部物質の終端速度以上であり、希釈(dilute)領域に上昇した前記内部物質は、前記膨張部に進入すると、流速が前記内部物質の終端速度以下に減少し、前記内部物質の終端速度未満となって再び下降して、上昇と下降を繰り返し、前記内部物質は、凝集及び分散を繰り返すことを特徴とする、カーボンナノチューブの製造方法。 - 前記原料物質の流速は、内部物質の最小流動化速度の10倍以上であることを特徴とする、請求項1に記載のカーボンナノチューブの製造方法。
- 前記原料物質の流速は、20cm/s以上であることを特徴とする、請求項1又は2に記載のカーボンナノチューブの製造方法。
- 前記炭素源は、炭素数1~4の飽和及び不飽和炭化水素からなる群から選択された一つ以上であることを特徴とする、請求項1~3のいずれか1項に記載のカーボンナノチューブの製造方法。
- 前記触媒は、金属触媒であることを特徴とする、請求項1~4のいずれか1項に記載のカーボンナノチューブの製造方法。
- 前記金属触媒は、鉄(Fe)、モリブデン(Mo)、チタニウム(Ti)、バナジウム(V)、クロム(Cr)、マンガン(Mn)、ニッケル(Ni)、コバルト(Co)、銅(Cu)、カドミウム(Cd)、亜鉛(Zn)、ルテニウム(Ru)、鉛(Pd)、銀(Ag)、白金(Pt)及び金(Au)のいずれかの金属またはこれらの合金から選択されたいずれかであることを特徴とする、請求項5に記載のカーボンナノチューブの製造方法。
- 前記カーボンナノチューブは、直径が0.4~10nmであることを特徴とする、請求項1~6のいずれか1項に記載のカーボンナノチューブの製造方法。
- 前記カーボンナノチューブは、1~10層の層からなることを特徴とする、請求項1~7のいずれか1項に記載のカーボンナノチューブの製造方法。
- 前記流動床反応器は、0.05~1.5bar.gの圧力を有するものである、請求項1~8のいずれか1項に記載のカーボンナノチューブの製造方法。
- 前記流動床反応器は、300~1600℃の温度を有するものである、請求項1~9のいずれか1項に記載のカーボンナノチューブの製造方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020170084234A KR102388564B1 (ko) | 2017-07-03 | 2017-07-03 | 유동층 반응기에서 카본 나노튜브 제조 방법 |
| KR10-2017-0084234 | 2017-07-03 |
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| JP2019014645A JP2019014645A (ja) | 2019-01-31 |
| JP7433752B2 true JP7433752B2 (ja) | 2024-02-20 |
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| US (1) | US11053123B2 (ja) |
| JP (1) | JP7433752B2 (ja) |
| KR (1) | KR102388564B1 (ja) |
| CN (1) | CN109205592A (ja) |
| DE (1) | DE102018115956A1 (ja) |
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| JP7272855B2 (ja) | 2019-04-26 | 2023-05-12 | Tpr株式会社 | 多層カーボンナノチューブ、多層カーボンナノチューブ集合体および多層カーボンナノチューブの製造方法 |
| KR102738931B1 (ko) * | 2019-05-20 | 2024-12-04 | 에스케이이노베이션 주식회사 | 리튬 전구체 분리 방법 및 리튬 전구체 분리 시스템 |
| US12300400B2 (en) | 2020-10-12 | 2025-05-13 | Henry Crichlow | Systems and methods for low level waste disposal |
| US11517949B2 (en) | 2020-10-12 | 2022-12-06 | Henry Crichlow | Systems and methods for low level waste disposal |
| CN112264040B (zh) * | 2020-11-16 | 2023-09-22 | 南京工业大学 | 一种碳球-氧化石墨烯催化剂及其制备方法和应用 |
| CN116600884A (zh) * | 2020-12-11 | 2023-08-15 | 株式会社Lg化学 | 碳纳米管制造装置和碳纳米管制造方法 |
| WO2023197070A1 (en) * | 2022-04-14 | 2023-10-19 | Acceleware Ltd. | Systems and methods for generating hydrogen by pyrolysis in a dielectrophoresis (dep) supported fluidized bed reactor |
| KR20240033927A (ko) | 2022-09-06 | 2024-03-13 | 주식회사 엘지화학 | 접선 속도 저감 구조가 구비된 화학기상증착 반응기 |
| CN116281964B (zh) * | 2023-05-22 | 2023-08-11 | 湖南科晶新能源科技有限公司 | 一种高效碳纳米管纯化方法及纯化设备 |
| CN119591093A (zh) * | 2023-09-08 | 2025-03-11 | 上海大展时代纳米科技有限公司 | 一种连续制备碳材料的方法及装置 |
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| CN109205592A (zh) | 2019-01-15 |
| KR102388564B1 (ko) | 2022-04-20 |
| KR20190004096A (ko) | 2019-01-11 |
| US20190002285A1 (en) | 2019-01-03 |
| US11053123B2 (en) | 2021-07-06 |
| JP2019014645A (ja) | 2019-01-31 |
| DE102018115956A1 (de) | 2019-01-03 |
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