TWI285666B - Device and method for converting carbon containing feedstock into carbon containing materials, having a defined nanostructure - Google Patents

Device and method for converting carbon containing feedstock into carbon containing materials, having a defined nanostructure Download PDF

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Publication number
TWI285666B
TWI285666B TW90126636A TW90126636A TWI285666B TW I285666 B TWI285666 B TW I285666B TW 90126636 A TW90126636 A TW 90126636A TW 90126636 A TW90126636 A TW 90126636A TW I285666 B TWI285666 B TW I285666B
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Taiwan
Prior art keywords
masterbatch
carbon black
plasma
gas
reaction
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TW90126636A
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English (en)
Inventor
Frederic Fabry
Eusebiu Grivei
Nicolas Probst
Richard Smet
Jean-Yves Peroy
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Timcal Sa
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    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/02Apparatus characterised by being constructed of material selected for its chemically-resistant properties
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    • B01J19/08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
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    • B01J19/088Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
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    • B01J19/26Nozzle-type reactors, i.e. the distribution of the initial reactants within the reactor is effected by their introduction or injection through nozzles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00Nanotechnology for materials or surface science, e.g. nanocomposites
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    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/22Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds
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    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/22Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds
    • C01B3/24Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds of hydrocarbons
    • C01B3/26Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds of hydrocarbons using catalysts
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/44Carbon
    • C09C1/48Carbon black
    • C09C1/485Preparation involving the use of a plasma or of an electric arc
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    • B01J2219/0204Apparatus characterised by their chemically-resistant properties comprising coatings on the surfaces in direct contact with the reactive components
    • B01J2219/0227Apparatus characterised by their chemically-resistant properties comprising coatings on the surfaces in direct contact with the reactive components of graphite
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    • B01J2219/0236Metal based
    • BPERFORMING OPERATIONS; TRANSPORTING
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1285666 玖、發明說明: I:發明戶斤屬之技術領域3 本發明係有關於一種用以將含碳母料轉換成碳黑或其 它含碳材料,特別是具有限定之奈米結構之含碳材料,的 5 方法及裝置。 I:先前技術3 目前超過99%的碳黑係藉由不完全燃燒而製造;至今 最重要之方法為六十年前所發展出之高溫爐製造碳黑法 (furnace process)。其它方法尚有槽法(channel process)、熱 10 法(thermal process)及燈法(lamp process)等。這些工業方法 之特徵皆在於燃燒40〜60%之母料或原料以生成必要的熱 來裂解其餘的母料。即使製造商目前提供了超過1〇〇個不同 等級的碳黑,且每個等級有其針對特定應用而設計之不同 的性質及特性,但新材料之製造仍受限於製程化學(化學組 15 成及可取得之能量)。 世界上每年產製約六百萬MT(公噸)的碳黑。用來作為 母料之原料包括有供製造低品質材料(橡皮輪胎製造)之 傾析油、裂解燃料油(PF0)及煤焦油蒸餾液。使用一千兩百 萬公噸之油來製造碳黑,則所釋出之污染物為兩千兩百萬 20 公噸C02及數百萬公噸S0X與N0X。乙炔進行自身分解來製 造高等級的碳黑(40000公噸),其主要係用於電池的製造。 另一種以電漿作為主要能量來源之技術已發展至工業 規模,其係利用DC碳電極電漿產生器。PCT/N092/00196 及PCT/N096/00167揭露了此種電漿反應器。依據這些揭露 1285666 的内容,氫氣是主要的產,物而碳材料乃次要產物無 。 證據顯示這些方法能製造出會令製造商感興趣的碳黑。 5 10 PCT/ET94/0032!揭露一種具有三個電·極的電漿反應 器’其藉由對電極施以交流電電流而產生一種複合電弧。 令母料通過電弧·區而饋入反應器。依據此習知技藝,將母 料轉換成具有限定之奈米結構之碳化合物一亦即轉換為碳 黑一之反應區係直接在電弧區之下方,且緊鄰電弧區。母 料至少部份地循環流經電弧區。由此方法所生成之碳黑為 由各種不同的熱處理所得之碳材料的混合物。此方法可紫 造不同的碳黑材料。 因此,本發明之目的為提供一種用來製造具有明確界 疋之性質之碳黑的方法及裝置,藉由控制操作條件及方法 參數而獲得高轉換效率之母料及可再現的產品性質。 依據本發明,此目的係籍由申請專利範圍中所界定之 方法及農置所達成。此外,本發明之另一實施例為一種新 的碳黑。本發明之較佳實施例係界定於依附項中。本發明 之特彳政、該等特徵的組合及次組合則構成了其它的實施 例’其等皆敘述於后,於詳細實施.例及圖式中。 本發明可控制操作條件以製造具有明確界定之性質之 石反黑,並且防止母料及任何產物循環經過電弧區,而可製 出具有明確界定且前後一致之可再現性之性質之碟黑材 料。特別是,利用文丘里管(venturi)使反應溫度可獲得較好 勺k制,並且在低溫區”,亦即生成碳黑的反應區,得 1285666 到更有效的混合物。 ”本發明之一顯著優點為能夠實質利用所有的含碳母 料。更詳而言之,具有低燃燒熱之材料,例如燃燒熱低於 者’包括來自於橡皮輪胎裂解之再循環油 5 用來作為母料。 較佳方法包括下列步驟··將電漿氣導經一電弧以生成 -電漿、㈣電漿氣令其通過_文丘里區,該文丘里區之 直徑在電漿流動之方向上漸縮束而形成一喉部、導引電裝 氣令其通過一直徑大於文丘里區喉部之反應區、將母料射 10入位在文丘|區下游之反應區之電漿氣中(在其通過文丘 里區喉部之後)、自反應區中抽出反應產物,以及收集碳 黑。亦可將母料射入位在文丘里區喉部及/或稍高於文丘 里區處。 15 與其它反應產物分離之碳黑具有限定之奈米結構。此 奈米結構之形態構造及結構紋理乃視操作條件而定。 電漿氣射入反應空間時未必經過電漿電弧。在一較佳 實施例中,電弧係由至少三個電極所生成之一複合電弧。 較佳地,該等電極為以石墨為主要材料之電極,而電弧係 藉由將一足夠強的AC電源與電極相連通而形成。當使用一 傳統電源(50〜60Hz),電流之頻率可為電柵之頻率,而當使 用一高頻率電源轉換源時,其頻率可達到更高。要增加電 弧之安定性,頻率之增加可能是適當之方式,特別是當使 用氫氣作為電漿氣。在此種狀況下,電流之頻率較佳地係 在500Hz至10kHz之間。 20 1285666 文丘里管較佳地係由以石墨為主之材料製成的,且係 二錐狀。較佳地’在文丘里管之下游側形成一邊緣,藉 \生—突然擴張之區域。位在喉部與突然擴張之區域間 5之輕會造成電毁氣體積之突然擴張。此乃避免含碳材料 ,至文丘里區出口的上游’特別是回流至電毁形成區, :即電弧區’之較佳方式。該擴張區域亦產生一高擾流區, ”係用以增加電聚流與母料之間的混合效率,以達致一均 勻之混合物,並使反應溫度得到較佳之控制。 母料可含有下列成分或由下列成分所構成:甲烧、乙 1。块、乙烯、丙烤、C4烴類包括丁二烯、輕油或重油,甚至 廢油及/或裂解燃料油(PF0),以及其它含碳材料。較佳 地,實質上無氧或任何含氧材料被饋入電弧或反應器中。 而分子中含有少量之氧的母料,例如氧/碳原子比為Μ 者,則可以使用。 車交佳地,電漿氣係沿軸向射至電極之上方處,以使其 可直接通過電弧。電漿氣本身可較佳地包含下列成份或由 下列成份所構成:氫、氮、-氧化碳、氯、氛、或任何其它 適當之氣體以及前述材料之混合物.,例如5()體積%之⑺與 氫之混合物。廢氣除了含有電漿$成份外,實質上僅含有 20虱、曱烷、乙炔及乙烯,因此與烴類母料之關係不大。若 使用氧化合物,廢氣中會含有一些C〇及極少量的c〇2。右 一部份的廢氣較佳地經過再循環並用來作為電漿氣。 這在當再循環之廢氣主要僅由氫及少量的烴類構成時/,'乃 特別有利。 !285666 反應區中之溫度較佳地係藉由調整電漿氣之流速、電 能以及母料流速,而控制在900°C至3000°C之範圍内。 母料係經由至少一射出機而射出,較佳地經由2至5個 射出機。這些射出機可被均勻地安排在環繞反應區之週圍 5處。母料可沿徑向射至電漿氣流中心處,或藉一切線方向 或軸向7L件而射至電漿氣流之外部區或反應區以產生一漩 渦狀〜L。射出速率乃視熱電漿氣之流動狀況及母料之性質 而凋!至所要的反應溫度。較佳之範圍為丨〜〗〇kWh於電漿 氣中/每1公斤碳在母料_。 10 當反應之進行實質上不使用氧時,反應產物具有特定 的優良品質。 、在本發明之方法之一實施例中,製造了碳黑及氫氣, 作為有用的產物。本發明之方法可製造多種產物。 本發明之方法較佳地在一反應器中進行·,以將一種將 15碳包含在-電毁中之母料轉換成具有限定奈米結構之碳化 合物,該反應器包含有一容室,該容室具有 ⑷—頭部’其具有至少兩電極及一電衆氣供應源,使得 當供應足夠的電能時’可在電極之間生成_電弧,因 而形成一電弧區, 20 (b) —文丘里區,以及 (c) 一反應室,其具有至少一母料射出機, 其中該文丘里區位於電弧區與母料射出機之 間,且朝向反應室之方向漸縮束。 反應器較佳地為圓柱形。反應器本身,至少在 10 1285666 内表面,較佳地可由含石墨材料製成。 當使用本發明之方法來製造具有奈米結構之碳材料 時,可發現反應產物之結構與品質完全視方法參數而定, 主要與反應溫度及滯流時間有關,但令人驚訝的是,與母 5 料無關。這就是為什麼即使是甲烷或廢油都可以被用來製 造高品質之具有限定奈米結構之含碳材料的原因。 本發明亦提供一種新的碳黑。此種碳黑之特徵為氮表 面積與CTAB表面積之間具有一負差(通常稱為“透孔 率”),以及内在密度(intrinsic density)低於1.9,較佳地低 10 於1.8,特別是介於1.5與1.9克/立方公分之間。因此, N2SA<CTAB SA 特別是: -20 m 2/g$N2SA- CTAB SA<0 m2/g 較佳之碳黑之氮表面積為5〜100 m2/g,且DBP吸收為 15 30〜300毫升/100克。 新的碳黑具有低密度之優點。例如,在橡皮輪胎的應 用上,此優點造成所需之碳黑的重量減少,以及最終橡膠 產物之總重量降低。新碳黑之另一應用係用於乾電池電極。 本說明書中所說明及主張之碳黑的各種性質係依據下 20 列標準步驟測量: 氮表面積(N2SA): ASTM D3037-93 CTAB SA: ASTM D3765-92 DPB吸收: ASTM D2414-93 CDBP吸收 ASTM D3493 1285666 以二曱苯測内在密度 DIN 12797 碘值 含硫量: 灰分: pH: 甲苯脫色 (2 · 5克碳黑在15托耳之壓力下) ASTM D 1510 ASTM D1619 ASTM D1506 ASTM D1512 ASTM D1618 同時參 本發明之進一步較佳特徵及實施例敘述於下 考圖式,其中: 10 第1圖及第2圖顯示本發明之反應器之一較佳實 施例 例0 第1圖顯示供執行本發明之方法之完整的反應器配 置 第2圖為第1圖之反應器上部的細部圖。 15 Γ實施方式3 20 第1圖顯示反應器i包含有一圓柱形之反應室2,其 内壁係由石墨所製成。反應器之頭段3構成其上端。在瑪 段3上裝設有三個電極8,該等電極係連接至一可送出三 相A C電々,L之電源4。冑流頻率可為網路頻率(5〇至 60Hz),或任何更高的頻率。反應室2之下端係連接至抽出 裝置5,藉以將反應產物自反應器中取出。這些被引導至 -標準分離裝置6,例如,旋風分離器及,或過濾器,碳 黑可在其中與氫氣及其它反應產物分離。 反應室2上部之-較詳細視圖係顯示於第2圖。將 12 1285666 ,漿氣由入口7經由頭段3之中央饋入反應室2中,該電裝 孔季乂佳地為虱氣、氮氣、一氧化碳、氨或其等之混合物。 電漿氣之流速係依據雷嘮洛+ k # 爆包水乳之性質以及所提供之電能而調 整至介於 0.001 Nm3 hf 】5 D 2 3 , 1 至0.3 Nm上-1/每仟瓦電能。三個連 至電源4的石墨電極8 (第2圖中顯示兩個)係安裝在頭 & 3。k些電極之尖端靠近的程度使得當足·韵的電能連通 至電極% ’在電漿氣之存在下,足以點燃一複合電弧。結 果’在電弧區9生成了雷將 王风了電水。此電漿之溫度係由電漿氣體 抓與供應至電極8之電源來決^。電弧區可經由—開口 10 以光學控制。藉此’得以自動控制流入反應區之電浆氣之 溫度及/或量。 一由石墨f成之文丘里管件_位在反“ i内部, 於電弧區9下方。當通過文丘里管件i i之狹窄通道或喉部 20時,電漿氣流之速度會增快。 15 '然後’在通過文丘里管件11之後,電漿氣突錢脹而 進入反應區10’因為文丘里管件之底端係形成一尖銳的端 緣,而非形成-連續擴張之區段。母料藉由位在反應室之 壁12内部並在文丘里管件11正下方之射出機13而射入反應 區10中。在«氣通過文丘里管件之後才射入母料有助於 2〇 電漿氣與母料之混合。 U地’母料係經由2〜5個射出機13直接或沿徑向朝反 應區之中^射入。或者,母料亦可沿著更接近切線方向 射入,而以偏離中心或與電漿流成-定角度之方式進入反 應區10。 13 1285666 能量須視反應方法、母枓 母枓机速及性質而控制,且 由電漿氣溫度及/或電漿氣产, 曰 ^ ^ 及由电源4提供給電極 8之能量而控制。 位 …,々早L入其中。 當輸入之能量(電漿氣流加上 电月b)足夠向時,碳的產率甚至 玎達100°/〇。可藉由射入少量 里知f生鹽類而使碳黑結構減少。 通常亦可利用一淬火區,在i中 . m引入例·如甲烷或其它適 當之洋火材料。
當此方法進行之過程中未有氧氣射入其中時,除了可 10將含碳材料轉化成具有限定奈米結構的碳之外,高品質的 氮氣亦為—有用之反應產物。因此,可將此氫氣分離H 當預期生成碳化合物,特別是碳黑,且預期生成氫氣時, 甲烧或天然就乃特別吸引人之母料。 在以下之實例中說明本發明進一步之特徵、特徵組合 15 及本發明之實施例。 這些實例是在大致如第i圖及第2圖所示之反應器配 置下完成的。使用-電漿動力源來對三料墨電極供電, 该等電極之尖端乃位在一等邊體之頂點處,而該電焚動力 源使用南達666Hz且最高動力為263kVA之三相電源,且電 2〇 流大小達400A。 例1 在前述反應器中,在ΡΝπΛιγ1之氮氣流下生成電漿。在 2〇〇Α之電流下操作該電聚。使用流速為沈以]之裂解燃料 油作為烴類母料。該裂解燃料油(pF〇)係連同壓力為〇.5巴 14 1285666 (bar)之氬氣載氣一起從一壓力在〇,75至1巴之間的槽饋送 至反應器。射出機伸入石墨反應器壁之内2公分處。 所形成之碳黑在一主要及一次要過濾器中移除。 例2 在此例中,使用0.56Nm3.hd之乙烯作為母料。所用之 電漿亦W.h.1氮氣在2(K)A下之電漿。母料係以每次5 分鐘之週期射出;在過濾器中得到29〇克之碳黑。 例3 10 在此例中,反應條件與前一例相似,但乙稀以0.56 Nm3/h之速率在30分鐘内連續射出。 例4 在此例中,反應條件亦與前一例相同。在本次實驗中, 乙稀以0.56 NmY之速率射出16分鐘。電聚氣體流為流速 9 Nm3·!^1之氮氣。 15 例5 在此例中,反應條件亦與前例相同。在本次實驗中, 甲烧以之速率射出90分鐘。電疑氣體流為流速12 Nm3.h-1之氮氣,電流為250Α。 測試這些由例1至5之試驗所得之碳黑之一般性質。結 2〇果顯示於表-。在所有實例中,碳的產率皆高,·藉由調整 此1及母料流’其等皆有達1 〇〇%之可能。 15 1285666 表 碳黑性質
本發明所主張之碳黑以及藉由執行本發韌所主張之方 法亚使用本發明所主張之裝置所得之碳黑係依標準橡膠組 5成ASTM3191及典型電池電極應用來作測試。表二至表六顯 示由這些測試所得之資料。 碳黑IRB#7 ’ N-234,及Ensaco250係標準碳黑。其等之 性質亦予以列出,以供與本發明之碳黑作比較。這些係顯 示為例A至D,而例D為與表一例i相同之碳黑。例之 10碳黑係在有些微差異之製程條件下製得。 表二 IRB#7; N-234 Ensaco 250 'Wa —例 製法 ~μμμΓ tlT 表一之例1) 母料 μ m 燃料油,煤焦 料油 ^δΗ8 裂解妙 油 —---- ——-—— ---—, —----- —--— --——_ 16 1285666 表三 碳黑 IRB#7 N-234 Ensaco 250 例A 例B 例C 例D 氣氣S · A. (m2/g) 80 125 65 65 52 69 DBP Abs. (ml/1 OOg) 102 125 190 157 153 *232^ 218 黏度及流速計數據 5 表四 碳黑 IRB#7 N-234 Ensaco 250 例A— 例B 例C 例D ML 1+4, 100°C 83.6 98.3 103.4 85 73.4 107 流速奮 •於160°C下 最低扭距 (dNm) 2.91 3.71 4.11 3.03 2.36 4.34 2.77 最南扭距 (dNm) 21.27 26.62 23.42 22.61 19.48 26.59 22.37 扭距差 (dNm) 18.36 22.91 19.31 19.58 17.12 22.25 19.60 T90(分) 14.5 14.96 20 9.34 15.56 9.57 14.21 表五 碳黑 IRB#7 N-234 Ensaco 250 例A 例B 例C 例D 於S2上之壓力壓變,500mm/min 抗拉強度 Mpa 28.5 31.5 25 23.8 20.4 24.7 21.4 模數 100%(Mpa) 3.6 3.5 3.3 3.3 2.6 3.9 3·2— 模數 200%(Mpa) 10.5 10.3 7.9 8.7 6.4 9.8 7.8 17 1285666
模數 300%(Mpa) 19.4 19.8 12.8 14.8 10.9 15.9 13.1 破斷伸長 (%) 426 443 571 490 551 .508 499 肖氏(硬度) 70 72 70 69 64 73 67 回彈力(%) 46.2 41.4 41 47.4 51.3 42.9 51.8 電阻值(歐 姆.公分) 600Λ00 240.10' 12.5 1.410' 106 165.103 表六 電池評估* 碳黑-例4 電池碳黑-特P 開路電壓(伏特) 1.652 1.654 短路電壓(伏特) 9 10.7 , 時間至1.1伏特(小 時) 7.42 8.53 時間至0.9伏特(小 時) 11.63 12.63
*R20型電池具有下列組成份: -二氧化在孟- 50.73% -氯化銨- 1.92% τ山 Έ0 -石厌黑- 10.79% -氧化鋅- 0.64% -氯化鋅- 9.27% - 水- 26.63% -氯化采- 0.03% 18 1285666 L圖式簡單說明3 第1圖顯示供執行本發明之方法之完整的反應器配 置, 第2圖為第1圖之反應器上部的細部圖。 5 【圖式之主要元件代表符號表】
卜· …反應态 9.·.· ••電弧£ 2… …反應室 15" …·開口 3"· …頭段 11··· …·文丘里管件 4··· …電源 20··. …·喉部· 5··· …抽出裝置 12… …反應室之壁 6··· …標準分離裝置 13··· …射出機 7··· …入口 10··· …反應區 8··· …石墨電極·
19

Claims (1)

  1. 本; P 正:1ϊΤΤ¥ i、申請專利範圍: ---〜—L 1. 一種用以製造碳黑或含碳化合物之方法,其係藉由 轉化一含碳母料,包括下列步驟: 生成一具有電能之電漿氣, 導引該電毁氣使其通過一文丘里管,其管徑朝電 漿氣流之方法縮束, 將該電聚氣導入一反應區,在該反應區中,在氣 動及電磁力所產生之優勢流動條件下,母料或產物 並無顯著之回流至電漿生成區, 10 將母料射入反應區中之電漿氣中, 自反應區中收集反應產物,以及 將碳黑或含碳材料與其它反應產物分離。 2. 依據中請專利範圍第w之方法,其t電漿氣係藉由 導引電漿氣經過一電弧而生成。 15 % 3·依射請專利範圍第2項之方法,其中該電弧係為_ 由至少三個電極所生成之複合電弧。 4.依據中請專利範圍第項之方法,具有下列特 徵之一或其等之任何組合者·· CM電漿氣係藉由包括石墨之電極產生; 20 ⑻電弧係藉由將Ac電源連接至電極而產生; (C)電流頻率介於50Hz至10kHz ; ()文丘里官在其内表面上具有石墨; (e) 文丘里官形狀為一連續階狀錐形; (f) 使用一文丘里營i g其具有一自文丘里喉部突然擴 20 1285666 張之下游端; (g) 母料係選自於下列之一或多者:甲烷、乙烷、乙 烯乙炔、丙烷、丙烯、重油、廢油、裂解燃料 油 ^母料係在有或無載氣下以及先預熱或未預 熱下讀入; (h) 母料係隨一載氣射出之一固態碳材料,其係選自 於下列之一或多者:碳黑、乙炔碳黑、熱黑石墨、 焦碳或任何固態碳材料; ⑴金屬觸媒係被加至母料中; 10 ω電漿氣沿軸向被射至電極中央上方處,以直接通 過電弧區中之一電弧; (k)用來產生電漿氣之氣體包含下列之一或多者,或 由下列之一或多者組成:氫、氮、氬、一氧化碳、 氦; 15 母料為一種烴類且反應區中之溫度係介於9⑼。丨 與30〇〇°c之間; (叫母料為一固態碳且且反應區中之溫度係介力 3000°C 與 5000°C 之間; 20 (n)電漿氣之流動速率依據電漿氣之性質以及電食 而调整至介於(^㈣“至〇 3lW/h/每 電能; (〇)反應所產生之錢中—部份再循環作為至少一 部份之用以生成電漿氣之氣體; (P)母料經由至少一射出機而射出; 21 1285666 (q) 母料朝向電漿痛 包水虱體流之中央射出; (r) 母料藉一切玲士 ^ 一 、、泉方向兀件及/或一徑向元件及/ 々元件而射入電漿氣體流之外部區; (s) 製程係在缺氧或少量氧存在下進行; )製私係在声加驗下進行,以減少該碳黑構造; (U)下列產物之-式炙j、士 / 驭夕者被收集: 碳黑; 碳六十; 氫; 10 15 20 單壁奈米管; 多壁奈米管。 5.依據申請專利蘇圖笛 圍第4員之方法,其中該被加至母剩 中之金屬觸媒係為鎳、鈷或鐵。 6·依據申請專利範圍第 & 1¾弟4員之方法,其中該母料係經由 2至5個射出機而射出。 7·依據申請專利範圍筌4馆夕士、+ ^ 乾固第4項之方法,其中該製程係在氧 /碳之原子量比為少於1/6下進行。 8·:種用於執行如申請專利範圍第1項之方法的反應 裔’其包括開放流動連通之下列元件· 一頭部(3),其包含 至少二電極(8),及 氣體供應源 當被供以足夠的電能時, 電弧,而產生一電弧區, 用以在電極之間生成一 使得來自於氣體供應源 22 1285666 入其中以生成電漿氣 門(11) 以及 之氣體可被讀 一文丘里管狀活 一反應段(10;), ”寸射出機(3),供射出母料至反應中, /、中文丘里官係朝向反應段縮束。 9.依據申請專利笳if!窜Q ^ ^ 乾圍弟8項之反應器,具内部大致為β 柱形。 1 0 ·依據申請專利I备圍@。 ^ /号扪乾圍弟8或9項之反應器,其中高溫裸 路表面係由含石墨之耐高溫材料製成。 10 U·依據申請專利範圍第8或9項之反應器,包含一高度 介於I·5至5米且直徑介於20至150公分之容室。 12.依據申請專利範圍第1〇項之反應器,包含一高度介 於1·5至5米且直徑介於2〇至15〇公分之容室。 13·一種碳黑,其在氮氣表面積與CTAB表面積之間具有 15 一負差,其内在密度小於1.9g/cm3。 14.如申請專利範圍第1 3項之碳黑,其内在密度係介於 1 ·5 與 1 · 8 g/cm3。 15·依據申請專利範圍第別3項之碳黑,其氮氣表面積為 5 至 150m2/g且 DBP吸收為 30 至 300ml/100g。 20 丨6.依據申請專利範圍第13或15項之碳黑,其透孔率在 下列之範圍内: -20m2/g$N2SA-CTAB SA< 0m2/g。 23 1285666 柒、指定代表圖: (一)本案指定代表圖為:第(1 )圖。 (二)本代表圖之元件代表符號簡單說明: 捌、本案若有化學式時,請揭示最能顯示發明特徵的化學式:
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