TW452500B - Reactive distillation, uses of the reactive distillation, and packing column for carrying out the reactive distillation - Google Patents

Reactive distillation, uses of the reactive distillation, and packing column for carrying out the reactive distillation Download PDF

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Publication number
TW452500B
TW452500B TW088120272A TW88120272A TW452500B TW 452500 B TW452500 B TW 452500B TW 088120272 A TW088120272 A TW 088120272A TW 88120272 A TW88120272 A TW 88120272A TW 452500 B TW452500 B TW 452500B
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Taiwan
Prior art keywords
reactive distillation
filling
patent application
scope
internal volume
Prior art date
Application number
TW088120272A
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English (en)
Inventor
Peter Moritz
Willem Wiekert Levering
Raymond Charles Pluess
Original Assignee
Sulzer Chemtech Ag
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/009Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in combination with chemical reactions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/32Packing elements in the form of grids or built-up elements for forming a unit or module inside the apparatus for mass or heat transfer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/04Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds
    • B01J8/0446Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the flow within the beds being predominantly vertical
    • B01J8/0476Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the flow within the beds being predominantly vertical in two or more otherwise shaped beds
    • B01J8/048Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the flow within the beds being predominantly vertical in two or more otherwise shaped beds the beds being superimposed one above the other
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/04Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds
    • B01J8/0446Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the flow within the beds being predominantly vertical
    • B01J8/0476Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the flow within the beds being predominantly vertical in two or more otherwise shaped beds
    • B01J8/0484Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the flow within the beds being predominantly vertical in two or more otherwise shaped beds the beds being placed next to each other
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/06Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds in tube reactors; the solid particles being arranged in tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322Basic shape of the elements
    • B01J2219/32203Sheets
    • B01J2219/3221Corrugated sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322Basic shape of the elements
    • B01J2219/32203Sheets
    • B01J2219/32213Plurality of essentially parallel sheets
    • B01J2219/3222Plurality of essentially parallel sheets with sheets having corrugations which intersect at an angle different from 90 degrees
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322Basic shape of the elements
    • B01J2219/32203Sheets
    • B01J2219/32224Sheets characterised by the orientation of the sheet
    • B01J2219/32227Vertical orientation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/322Basic shape of the elements
    • B01J2219/32279Tubes or cylinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/32Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
    • B01J2219/324Composition or microstructure of the elements
    • B01J2219/32466Composition or microstructure of the elements comprising catalytically active material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Description

4 5 2 5 0 0 a7 ___B7____ 五、發明說明(1 ) 本發明與申請專利範圍第1項的前言部分有關之反應 蒸餾、反應蒸餾之使用,以及進行反應蒸餾之塡充塔。 反應蒸餾係指一種程序,其催化反應在蒸餾之同時在 塔中進行,塔之操作如一塡充塔。塔之塡充典型上包括很 多個部分空間以及在部分空間之間的空腔,部分空間容.納 _固體,空腔與部分空間大部分沿塔軸線延伸或與塔軸線呈 直角,且部分空間是形成在容納催化活性物的塡充床內。 較稠流體流入塡充床部分空間’其體積流率爲內部體積流 率。較稀流體逆向流空腔。塡充床部分空間的周圍壁可供 流體滲透。一方面催化反應在塡充康內發生,另一方面二 流體之間進行物質交換。 反應蒸餾產生不要的副產品’其濃度視操作參數而定 。產品通常需要處理,其比處理副產品更複雜且昂貴。因 此在選擇操作參數時較佳爲使娜產品產量越慢.越好°然而 ,塡充物的單位體積之反應蒸餾產率越高越好亦爲目標, 爲達成此目標,整個塡充物表面(反應時可能會用到)須 被較稠液體覆蓋(弄濕)。美國第5 ’ 120 ’ 403號 專利案中揭示,其中塡充物被一液相滿溢1而氣相形成具 液相之泡沫,其通過塡充物。 本發明的目的在於提供一種方法來進行反應蒸餾,其 副產品產量爲最低或至少儘可能低’要生產的產品產率則 儘可能高,此目的之達成係利用申請專利範圍第1項中所 述之反應蒸餾。 反應蒸餾是在具塡充物之塔內進行,其至少部分形成 ----:---------.裝·_ I (請先閱讀背面之注意事項年填寫本頁) 訂·. 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) -4- A7 B7 45 25 〇〇 五、發明說明(2 ) 催化劑載體。形成不同稠度二相的流體則流經塡充物。較 稠流體設定一內部體積流率,其値爲在一區別値之區間’ 此値與較稠流體駐留時間分布有關,至於區別値,駐留時 間分布(其爲內部體積流量之函數)的變異値爲最小値, 指定區間的邊界處,內部體積流量與區別値相差不超過 3 0% ^最好不超過1 0%。 申睛專利範圍中的附屬項與本發明較佳實施例有關。 申請專利範圍第8項標的爲依據本發明的方法之使用,串 請專利範圍第9項則爲相關的塡充塔。 接著參照圖式說明本發明,其中: 圖1爲進行反應蒸餾的塡充塔下部。 圖2爲進行反應蒸餾的塡充物一部分。 圖3爲駐留時間分布圖β 圖.4爲實驗決定曲線,示出內部體積流量與駐留時間 分布變化關係。 圖5爲墊子式塡充元件之壁部。 圖6爲具有圓柱狀塡充元件之載體構造。 圖7爲具有兩種塡充構造之塡充物部分圖。 主要元件對照表 1 塔 2 塡充物 2 ' 塡充元件 2 〃層 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) --------r------^裝.1Ϊ <請先閱讀背面之注意事項系填寫本頁> 訂 .f .. } 經濟部智慧財產局員工消費合作社印製 -5- 經濟部智慧財產局員工消費合作杜印製 45 25 00 at _B7五、發明說明(3 ) 2 3 塡充零件 12 卡圈 3 流體 4 流體 2 4 空腔 2 3 部分空間 2 0 塡充床 2 2 壁 3 0 0 內部體積流量 3 0 箭號 2 1 點 3 0 ^ 箭號 4 0 箭號 4 1 箭號. 3 0 1 虛線 3 0 2 虛線 3 1 鐘形曲線 3 2 鐘形曲線 3 3 曲線 2 2 ^ 可透液壁 2 2 " 可透液壁 10 主流動方向 2 0 0 粒子 2 5 通道 (請先閱讀背面之注意事項再·填寫本頁) /裝 訂----- f 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) -6- 4 5 2 5 0 0 Δ7 A* Β7 五、發明說明() 5 混合構造 (請先閱讀背面之注意事項再填寫本頁) 5 載體構造 5 塡充構造 5 1 表面 5 2 表面 6 區 7 區 5 ^ 塡充構造 s 變異値 3 區別値 I 區間 經濟部智慧財產局員工消費合作社印製 圖1中之塔1內有塡充物2 ’例如歐洲專利案E p 0640385(=p·6592)中所掲示者°塡充物 2包含塡充元件2 /,其係呈堆設置且由沿主流動方向 1 0指向的層2 〃所建構’而層2 '則由大致上爲圓柱狀 塡充零件2 3形成"'塡充零件2 3之間則爲彼此橫互開放: 之流動通道。塡充零件2 3係置λ®狀載體構造1中 未示)。相鄰塡充元件2'係互相呈90°卡圈12形成 參與反應蒸黯的流體3和4之偏向障礙(見圖2) ° 以下配合圖2和3解釋本發明的反應蒸餾。形成不同 调度二相的流體3和4流經塡充物 2 ’二者流動方向爲平 行於塔軸線之相反方向。塡充物2包含空腔2 4和部分空 間2 3,其大部分沿塔軸線延伸或可與塔軸線呈一角度。 本紙張尺度適用中國國家標準(CNS)A4規格(21〇 x 297公釐) 4525 0 0 A7 B7 五、發明說明(5 ) (請先閱讀背面之注意事項再填寫本頁) 部分空間2 3形成一塡充床2 0,特別是催化活性物質載 體之粒狀澆體。部分空間2 3由壁2 2圍成,壁2 2可讓 流體3 ’ 4透過’壁2 2可由例如鐵絲柵(呈布、篩網或 蛛網狀)製成。 流體3以內部體積流量3 0 0流經塡充床2 2 p箭號 3 0爲流體3內所包含的物質分子之移動路徑。在點2 1 (位於塡充床2 0內部)的反應使初始物質轉換成所需產 品或不要的副產品(箭號3 0 < )。流體3和4之間在由 壁2 2形成的塡充床2 0表面處發生物質交換(箭號4 0 ’41),蒸餾可藉由此物質交換進行。 包含在流體3內的分子在塡充床2 0內有不同駐留時 間。在點ζ = 〇且時間t = 0時(見圖3 )被帶入塡充尿 2 0的分子在t = t 1時是在z = z 1點附近。二虛線 經濟部智慧財產局員工消費合作社印製 3 0 1和3. Ό 2爲分子穿過塡充床2 0之路徑散佈區。分 子在時間t = t 1時位置z的頻率分布爲鐘形曲線3 1, 在定性上其爲函散曲線c=_c (z ; t = t 1)。若在塡 充床2 0下端記錄(即在z = z 2處)在時間t = 0全部 同時進入塡充床2 0的標記分子出現,則得到鐘形曲線 32: c一=c一 (t;z=z2),此曲線32之變異 値s可被決定,其取決於內部體積流量3 0 0。標記分子 可爲例如離子,其濃度在塡充床端部z = z 2處依電傳導 性測量結果決定。取決於內部體積流量3 0 0的變異値s 測量產生一曲線3 3,其有最小値’見圖4。內部體積流 量的區別値a (副產品在此點之產量亦爲最小)對應變異 - · ........ ......... · -8 - 本紙張尺度適用中國國家標準(CNS)A4規格(210 * 297公釐) 4 5 2 5 0 0 Α7 _ Β7 五、發明說明(6) 値s之最小値。在比a小很多的內部體積流量下,流體3 在塡充床2 0內產生停滞,因而有部分較高駐留時間,其 結果爲曲線3 2變寬因而導致變異値s增加。在比a大很 多的內部體積流量下,由壁2 2形成塡充床2 0表面處產 生液體旁通。此流體流經催化活性塡充床2 0且與接觸甚 少。流體3有部分較高駐留時間,其結果也是曲線3 2變 寬及變異値s增加。 對於反應蒸餾產率既定之時,其最理想的程序是當塔 之尺寸使其內部體積流量在區別値a時產生。偏離此値a (其在以a爲中心的限制區間I內)對此方法不會產生更 壞結果。在區間I的邊界,內部體積流量與區別値a之差 異可達約3 0%,當然最好在1 〇%以內。 另一種進行反應蒸餾的適合塡充物揭示於歐洲專利 E. P 0631813 ( = Ρ· 6. 579)號中,形成平、 行層的塡充零件2 3形狀如墊子且包括二個可透液壁 2 2 /和2",見圖5。塡充零件2 3內含具有催化活性 物之粒子200。在壁22>和22〃 (其形狀如浮凸) 內的平行通道2 5形成內部空間。這些通道2 5彼此交錯 且彼此開放,在塡充零件2 3邊緣則關閉。由於壁2 2 一 和2 2 #之形狀,相鄰之層之間亦形成彼此交錯且彼此開 放之通道狀空腔。 圖6中所示者爲另一種適用之塡充物,如歐洲專利 ΕΡ 0 6 40 3 8 5號中揭示者。摺疊成鋸齒狀的表面 5 1和5 2固定混合構造5係用來做爲塡充物2 3之載體 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 請 先 閱 讀 背 面 之 注 項 —再 填 窝 本 頁 經濟部智慧財產局員工消費合作社印製 -9 - 經濟部智慧財產局員工消費合作社印製 4525 00 Α7 -------- Β7 五、發明說明(7) 構造。鋸齒摺疊形成的所有通道或個別通道包含一個塡充 零件2 3。較稠流體薄膜通常也會在載體構造5上形成, 藉此可供蒸餾之表面增加。 爲使蒸餾有更大表面可用,塡充物2設計如圖7。在 塔中,第一種區6和第二種區7在塔軸線方向交錯地設置 ’第一種區6中含有塡充構造5(圖6),其僅在二流體 之間的物質交換。在第二種區7中則含有塡充構造5 >, 2 3 ’反應蒸餾即在其內發生。區6和7之長度可變化以 提供不同尺寸之可用表面。 塡充塔的反應蒸餾產量既定,塔塡充物之容量依據本 發明必須設計成提供塔操作的內部體積流量一方面大部分 對應預定產量,另一方面爲落於以區別値a爲中心的標記 區間I之內。 依據本發明的反應蒸餾可用於例如酯、醚及醇之製造 或分解,其他使用爲烯或芳香族化合物的.選擇性水解’以 及進行異構化。 _________ 一- 一 以下爲依據本發明之反應蒸餾一例; 甲基特丁基酯(MTBE)可在催化活性塡充物(例 如歐洲專利案E P _ A 〇 3 9 6 6 5 0 )中以反應蒸觀 合成,其中,異丁烯在C4流量中利用甲醇轉換成 Μ T B E,酸離子交換樹脂可做爲催化劑。在主反應之外 可有三個支反應。一方面C 4流量可包含水痕量’異丁嫌 即與其反應形成特丁醇’另一方面異丁輝本身可自行反應 形成二異丁烯;此外,甲醇可濃縮成爲二甲酯。最後兩個 --------„-----— ----— In -- (請先閱讀背面之注意事碩t寫冰頁) ' 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) -10- 452500 A7 B7 五、發明說明() 支反應在一種反應物剩很多或缺乏另一反應物時發生。 在利用催化活性塡充物操作的反應蒸餾中,在小內部 體積流量下,液相產生停滯,因而塔反應區在不同點有部 分較高駐留時間。在這些停滯區內,上述支反應的發生在 一種反應物剩很多或缺乏另一反應物(由於反應引起)時 有增加。在內部體積流量超過區間I的上限時,可避免停 滯區,但是反應周轉大幅降低。 依據本發明的反應蒸餾中,塔之內部體積流量係設定 成催化活性固體藉由流相均勻地流動,在催化活性固體康 中沒有停滯區。催化劑因而完全濕化且抑制一部分的支反 應。 ---------------裝---- <請先閱讀背面之注意事項#.-填寫本頁) ii·
經濟部智慧財產局員工消費合作社印製 -11 - 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公g )

Claims (1)

  1. A8 B8 C8 D8 452500 六、申請專利範圍 1 . 一種反應蒸餾,其在塔(1)內進行’塔(1) 包含塡充物(2 ),其係至少部分設計做爲催化劑載體( 2 3),形成不同稠度二相之流體(3 ’ 4 )流經塡充物 ,其特徵在於: 較稠流體(3 )的內部體積流量(3 0 〇 )設定成位 於以一區別値(a )爲中心的區間(I )之內’區別値( a )與較稠流體的駐留時間分布(3 2 )相關; 至於區別値,做爲內部體積流量函數的駐留時間分布 的變異値爲最小値:以及 在指定區間的邊界,內部體積流量與區別値之差異不 超過30%,最好不超過10%。 2 .如申請專利範圍第1項之反應蒸餾,其中該塔( 1)包含一塡充物(2),其包括內部容納固體物質之多 個部分空間(2 3 ),部分空間之間有空腔(2 4 )’空 腔大部分沿塔軸線延伸或與塔軸線呈一角度,指定的部分 空間由容納催化活性物質之塡充床所形成,這些塡充床部 分空間被可讓流體(3,4 )滲透之壁(2 2 )所界定。 經濟部智慧財產局員工消費合作社印製 3 .如申請專利範圍第2項之反應蒸餾,其中在塔( 1 )內沿塔軸線方向連續交錯設置第一種區和第二種區( 6,7),第一種區內容納僅在二流體間進行物質交換之 塡充構造(5),第二種區內容納進行反應蒸餾之塡充構 造(5 ')。 4 .如申請專利範圍第2或3項之反應蒸餾,其中進 行反應蒸餾的塡充物(2 )或塡充構造(5 >)係由在塔 -12- 本紙張尺度逋用中國國家揉準(CNS ) A4規格(2〗0X297公釐) 452500 BS C8 D8_______ 六、申請專利範圍 軸線方向之層所建構,相鄰之層形成彼此交錯且彼此開放 之通道狀空腔。 5 .如申請專利範圍第4項之反應蒸餾,其中該等層 係由多個塡充零件(2 3 )所形成,塡充零件容納塡入載 體構造(5 )之催化活性物質,且塡充零件大致上爲圓柱 狀。 6 ·如申請專利範圍第4項之反應蒸餾,其中該等層 係由墊子狀塡充零件(2 3 )所形成,塡充零件(2 3 ) 包括可透液壁,塡充零件的內部空間是由平行通道形成, 平行通道容納催化活性物質,其呈現浮凸狀之壁(2 5 ) ’這些通道彼此交錯且彼此開放,且在塡充零件之邊緣封 閉。 7 . —種反應蒸餾之用途,用來製造或分解酯、醚或 醇,其中該反應蒸餾是依據申請專利範圍第1至6項其中 一項之反應蒸餾來進行的。 8 . —種反應蒸餾之用途,用來使嫌或芳香族化合物 之選擇性水解,其中該反應蒸餾是依據申請專利範圍第1 至6項其中一項之反應蒸餾來進行的。 9 種反應蒸餾之用途,用來進行異耩化,其中該 反應蒸餾是依據申請專利範圍第1至6項其中一項之反應 蒸餾來進行的。 1 0 _ —種塡充塔(1 ) ’用以進行依據申請專利範 圍第1至6項其中一項之再活性蒸餾,其特徵在於: 反應蒸餾的產量爲既定; 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) (請先閲讀背面之注意事項再填寫本頁) .裝- 訂 經濟部智慧財產局員工消費合作社印製 -13- 5 4 2 5 0 0 μ C8 D8六、申請專利範圍 塔塡充物的容量係設計成既定用於塔操作之內部體積 流量(3 0 0 ) —方面係大部分對應既定產量,另一方面 則在以區別値(a )爲中心的指定區間(I )內。 (請先閲讀背面之注意事項再填寫本頁) -裝· 訂 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) -14 -
TW088120272A 1998-12-22 1999-11-19 Reactive distillation, uses of the reactive distillation, and packing column for carrying out the reactive distillation TW452500B (en)

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EP1013325B1 (de) 2003-06-04
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