TW412446B - Improvement of the performance of used molybdenum based catalysts by the addition of ammonium dimolybdate - Google Patents
Improvement of the performance of used molybdenum based catalysts by the addition of ammonium dimolybdate Download PDFInfo
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- TW412446B TW412446B TW087120171A TW87120171A TW412446B TW 412446 B TW412446 B TW 412446B TW 087120171 A TW087120171 A TW 087120171A TW 87120171 A TW87120171 A TW 87120171A TW 412446 B TW412446 B TW 412446B
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- catalyst
- molybdenum
- ammonia
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- ammonium dimolybdate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/90—Regeneration or reactivation
- B01J23/92—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/28—Molybdenum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J27/188—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with chromium, molybdenum, tungsten or polonium
- B01J27/19—Molybdenum
- B01J27/192—Molybdenum with bismuth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/48—Liquid treating or treating in liquid phase, e.g. dissolved or suspended
- B01J38/68—Liquid treating or treating in liquid phase, e.g. dissolved or suspended including substantial dissolution or chemical precipitation of a catalyst component in the ultimate reconstitution of the catalyst
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
- B01J2523/50—Constitutive chemical elements of heterogeneous catalysts of Group V (VA or VB) of the Periodic Table
- B01J2523/51—Phosphorus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
- B01J2523/50—Constitutive chemical elements of heterogeneous catalysts of Group V (VA or VB) of the Periodic Table
- B01J2523/54—Bismuth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
- B01J2523/60—Constitutive chemical elements of heterogeneous catalysts of Group VI (VIA or VIB) of the Periodic Table
- B01J2523/68—Molybdenum
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
經"部中央橾準局員工消費合作社印絮 A7 B7 五、發明説明(丨) 本發明係有關一種混合金屬氧化物催化剤的再生方法 。本發明尤其是指使用於將丙烯氨氧化成丙烯腈之含鉍-鉬-鐵金屬氧化物催化劑的再生。 在氨氧反應f,特別是在從丙烯或異丁烯,氨和氧製 成丙烯腈或α -曱基丙烯腈之反應中,具有活性之以混合 金屬氡化物為主的催化劑係為已知的。適用於氨氧反應的 典型混合金屬氧化物催化劑,係為含有經各種金屬促進化 之鉬、鉍和鐵。實際發現這種催化劑的活性會因長時間曝 露在氨氧化條件下而衰退,這可由催化劑的反應產物產率 降低顯示出來的衰退作用是伴隨有部份鉬的損失。1原則上 ,當丙烯轉化成丙烯睛的產率,相對於使用新鮮的催化劑 ,降低5或更多百分比單位時,這氨氧化催化劑已經耗完 而需要再生。 有很多關於氨氧化催化劑的再生方法曾被提出。可參 考美國專利Nos. 3,882,159;4,052,332;4,757,038;4,757,038; 4,536,483和4,42S,255。每一個專利揭示了氨氧化催化劑 不同的再生方法。另外,德國專利No· 3,311,521也揭示一 種氨氧化催化劑的再生方法。前敘專利中,美國專利 4,425,255;4,609,635和 4,052,322以及德國專利 3,311,521 每 個都是關於以各種其他元素來促進之含鉍、鉬、鐵催化劑 的再生作用。美國專利3,882,159則揭示一種將在惰性基 體上的鉬氧化物加到催化劑的再生程序》美國專利 4,609,635說明催化劑以水性鉬酪銨,尤其是七鉬酪銨, 而將加入催化劑中,來進行再生作用。除了,在德國專利 UI«T~I-—— ' " 1 —_-J--*------ I I— --- ____ 本紙張尺皮逍用中國國家標準{ CNS ) A4规格(2丨0 X 297公釐) ~~~' ---------裝------訂------,線 (請先閱讀背面之注意事項再填寫本頁) 4 Α7
3’311,521與美國專利4 425 255可看到類似的教示,即三 氧化鉬和7·鉬酪銨的添加。一般而言每份參考資料都揭 不,經促進之含鉍、鐵,鉬催化系列的再生需將鉬取代入 催化劑中》 本發明的主要目的是對含鉬之氨氡化催化劑提供一種 新顆的再生程序。本發明的另一目的是對以各種金屬促進 化之含鉍、鐵、鉬催化劑提供一種新穎的再生程序^ 本發明的其它的目的和好處部份地將會在隨後之說明 中載述’且部份係可基於該等說明顯而易知或者實施該發 明而得知。本發明的目的和好處可藉由附加申請專利範圍 中特別指出的方法和結合方式而了解並獲得。 訂 為了達到刖述的目的,依據本文所表達和描述的本發 明目的,本發明的方法包含再生一種含有鉬為活性物質的 氦氧化催化劑,該方法包含處理該催化劑,以取代該催化 劑使用在由丙烯,氨和空氣合成丙烯晴期間中該催化劑所 旅 損失之鉬,該方法的改良在於,其包含選擇二鉬酸銨為要 被加入原有催化劑中取代原有催化劑所損失之鉬的鉬來源 〇 經濟部中央標_局員工消費合作社印¾ 本發明的一種較佳的實施例是以具下列的實驗式所代 表的含鉬催化劑:
AaBbCcDdBieMofOx 其中 A=Li ’ Na ’ K ’ Cs,Rb,Sm,In,Ca,Sr,Ba和 T1 中之一種或多種,較佳係為K,Cs*Na 本紙張又度適用中國國家標準(CNS ) A4規格(210χ297公釐) / 412446 A7 B7 五、發明説明( B = Fe,Co,Mg,Mn,Ni,V和Zn中之一種或多種 較佳係為Fe,Co,Ni,Mg和Μη C = Cr,Ce,Eu,Ρ,Sb,Ge,Te和 W 的一種或多種 較佳係為Cr,Ce,P和Ge D = Sn,B,As,Pt,Pd,Ga,Nd,Pr和 Pb 中的一種 或多種,且 a= 0.05〜3 ·0,較佳係為0.1到1.0 b = 4.0〜14·0,較佳係為4.0到12.0 c= 0.0-5.0 d= 0.0-2.0 e= 0.2-6.0 ' f= 8.0-18.0,較佳係為 10.0到 16.0 且X值的大小視使用元素的氧化態和使用量而定 本發明的方法可以於任何含鉬之銨氧化催化劑來實施 例如 美,國專利 4,425,255;3,642,930;4,609,635 和 5,093,299所提到之催化劑,該等催化劑在列為參考資剩 〇 娌續部中央#.竿局貞工消背合作社印装 在此將對本發明的較佳實施例做一詳細的說明。 本發明的方法主要是針對一種含鉬作為活性成份之象 氧化催化劑的再生方法’該方法包含使在氨氧化反應中使 用過的催化劑經過二鉬酸銨處理。二鉬酸銨以鉬來補充在 氨氧化過程中所損失之催化劑。 生 本發明尤其針對具有下列實驗式之氨氧⑽化劑的再
AaBbCcDdBieMof〇x 石中國國家揉 效,^-'"中*標季"J貝工消費合作社印敢 A7 B7 五、發明説明(4 ) 其中 A = Li,Na,K ’ Cs,Rb , Sm,In,Ca,Sr,Ba和 T1 中之一種或多種,
I B = Fe,Co ’ Mg,Μη,Ni,V和 Zn1!7 之一種或多種 c = Cr,Ce,Eu,P,Sb,Ge,Te和 W的一種或多種 D = Sn,B,As,Pt,Pd,Ga,Nd,Pr和 Pb 中之一種 或多種, a=0.〇5〜3.0,較佳係為〇·ι到2.0 b=4.0〜14_0,較佳係為4.0到12.0 c = 0,0-5.0 d= 0.0-2,0 e= 0.2-0.6 f= 8.0-18.0 且x值視使用元素的氧化態和使用量而定 基本上,這些催化劑能以諸如二氧化梦,氧化錯,錄 或他們的結合物之類的撐體所支撐或未經支撐。無論如何 ’二氧化砂是較好的。 下列的例子皆利用相同組成的催化劑 FewBiioPo ^ΜορΟχ 〇氨氧化反應是在一個4〇cc的流體化 床反應器和相同之下列反應條件中進行: 饋送物:1C3/1.15NH3/2.1202/4.02N2 溫度:438°C 接觸時間:5.2秒 WWH : 0.06 壓力:大氣壓力下 • | II I------ j «·:.» . -----— ,, | .....『.,一 木紙張尺度边龙中驾國家榇準(CNS ) A4规格(2!〇χ297公嫠) ^—•1 - - -I II ί 111 ί ϊ— I- HI In 1^1. t ^i·— 1^1 m - 泠 、v一, • (*先足:讀背命之注意事項再填寫本頁) 41W46 ί ) V > -五、發明説明(, Α7 Β7 表 ~Sp —---—ί 添加劑 1 無 2 Mo〇3 3 ahm~ 4 ADM 換率% 98.9 98.9~ΨΓπ 98.4 AN產率% 72.7 75.7 75.5 75.9 AN選擇率% 73.6 76.6 77.2 77.1 #Hrs 23.5 21.0 22.0 22.5 從表Ϊ所載述的結果可看到,使用二鉬酸銨基本上可 達成具有改良丙蝉腈產率之相同的選擇率以及相較於添加 或ΑΗΜ ’實質上更為經濟之附帶的好處。 雖然本發明係揭示了較佳實施例方面,但必須了解其 並不是要限制本發明到該等較佳實施例。相反地,其是要 涵蓋到任何落在為所附之f請專祕_定義的範固之變 化’修飾與對等情況β ί _ . . ! H n n ί n n n n i— n * (請先3ni#背面之注意事項再填寫本頁) 鰱濟部中央標準局貝工消費合作社印装 本紙張尺度边用中园國家標準(CNS > Α4規格(21〇Χ2ί>7公釐〉
Claims (1)
- 6 * ABCD 公告本 經濟部中央榡準局員工消費合作'社印策 '中請專利範圍 L 一種含钥作為主要活性成分之氨氧化催化劑的再生方 法’其包含處理該催化劑,以取代該催化劑在使用於 —由丙烯、氨和空氣氨氧化生成丙烯腈期間中催化劑 所損失之鉬’其丨選擇二鉬酸銨作為加入 --------- V ... '+.! · 原有催化劑中取代原有催化劑所損失之鉬的鉬來源。 2·如申請專利範圍第1項的方法,其中該含鉬催化劑以下 列式子表示 AaBbCcDdBieMofOx 其中 A = Li,Na,K,Cs,Rb,Sm,In,Ca,Sr,Ba和 T】 中之一種或多種 B = Fe,Co,Mg,Mn,Ni , V和Zn中之一種或多種 C = Cr,Ce,Eu,P,Sb,Ge,Te和 W的一種或多種 D = Sn,B,As,Pt,Pd,Ga,Nd,Pr和 Pb 中之一種 或多種 a= 0.05〜3.0 b=4.0 〜14.0 c=0.0-5.0 d= 0.0-2.0 e= 0.2-0.6 f= 8.0-18.0 ix值則視使用元素的氧化態和使用量而定。 3.如申請專利範圍第2項的方法,其中A至少是選自於K ,Cs和Na中的一種元素。 本紙張尺度適用中國國家標準(CNS ) A4规格(210X297公釐) 裝------訂—-----〆 <請先闉讀背面之注$項再填寫本頁)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US08/988,589 US5877108A (en) | 1997-12-05 | 1997-12-05 | Performance of used molybdenum based catalysts by the addition of ammonium dimolybdate |
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TW412446B true TW412446B (en) | 2000-11-21 |
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TW087120171A TW412446B (en) | 1997-12-05 | 1999-01-13 | Improvement of the performance of used molybdenum based catalysts by the addition of ammonium dimolybdate |
Country Status (10)
Country | Link |
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US (1) | US5877108A (zh) |
EP (1) | EP0922492A1 (zh) |
JP (1) | JPH11235526A (zh) |
KR (1) | KR19990062817A (zh) |
CN (1) | CN1226461A (zh) |
BG (1) | BG102971A (zh) |
BR (1) | BR9805660A (zh) |
TR (1) | TR199802529A3 (zh) |
TW (1) | TW412446B (zh) |
ZA (1) | ZA9810494B (zh) |
Families Citing this family (10)
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JP4484995B2 (ja) * | 2000-01-31 | 2010-06-16 | 旭化成ケミカルズ株式会社 | 不飽和ニトリルを製造する方法 |
US7851397B2 (en) * | 2005-07-25 | 2010-12-14 | Saudi Basic Industries Corporation | Catalyst for methacrolein oxidation and method for making and using same |
US7732367B2 (en) * | 2005-07-25 | 2010-06-08 | Saudi Basic Industries Corporation | Catalyst for methacrolein oxidation and method for making and using same |
US7649111B2 (en) * | 2005-07-25 | 2010-01-19 | Saudi Basic Industries Corporation | Catalyst for the oxidation of a mixed aldehyde feedstock to methacrylic acid and methods for making and using same |
US7649112B2 (en) | 2005-07-25 | 2010-01-19 | Saudi Basic Industries Corporation | Integrated plant for producing 2-ethyl-hexanol and methacrylic acid and a method based thereon |
US7799946B2 (en) * | 2007-02-14 | 2010-09-21 | Saudi Basic Industries Corporation | Process for separating methacrolein from methacrylic acid in a gas phase product from the partial oxidation of isobutene |
CN101992128B (zh) * | 2009-08-31 | 2012-09-05 | 中国石油化工股份有限公司 | 氨氧化流化床催化剂的再生方法 |
US8921257B2 (en) | 2011-12-02 | 2014-12-30 | Saudi Basic Industries Corporation | Dual function partial oxidation catalyst for propane to acrylic acid conversion |
US8722940B2 (en) | 2012-03-01 | 2014-05-13 | Saudi Basic Industries Corporation | High molybdenum mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins |
CN111013568A (zh) * | 2019-12-18 | 2020-04-17 | 刘建丽 | 一种能够降低氨燃烧的钼基混合金属氧化物催化剂及其制备方法 |
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US3755148A (en) * | 1971-04-01 | 1973-08-28 | Union Oil Co | Hydrocarbon hydrogenation |
JPS5756044A (en) * | 1980-09-20 | 1982-04-03 | Mitsui Toatsu Chem Inc | Method for reactivation of catalyst |
DE3311521A1 (de) * | 1982-07-17 | 1984-01-19 | Skw Trostberg Ag, 8223 Trostberg | Verfahren zur reaktivierung von molybdaenhaltigen katalysatoren |
IT1176080B (it) * | 1984-04-18 | 1987-08-12 | Enichimica Secondaria | Procedimento per la rigenerazione di catalizzatori di ammonoossidazione |
GB8726925D0 (en) * | 1987-11-18 | 1987-12-23 | Shell Int Research | Catalyst systems |
CN1046867C (zh) * | 1994-04-11 | 1999-12-01 | 上海石油化工股份有限公司 | 钼-铋-铁系氨氧化催化剂的激活再生方法 |
-
1997
- 1997-12-05 US US08/988,589 patent/US5877108A/en not_active Expired - Fee Related
-
1998
- 1998-11-17 ZA ZA9810494A patent/ZA9810494B/xx unknown
- 1998-11-24 EP EP98309585A patent/EP0922492A1/en not_active Withdrawn
- 1998-12-01 BG BG102971A patent/BG102971A/xx unknown
- 1998-12-04 BR BR9805660-3A patent/BR9805660A/pt not_active Application Discontinuation
- 1998-12-04 CN CN98126363A patent/CN1226461A/zh active Pending
- 1998-12-04 KR KR1019980053179A patent/KR19990062817A/ko not_active Application Discontinuation
- 1998-12-04 TR TR1998/02529A patent/TR199802529A3/tr unknown
- 1998-12-07 JP JP10347464A patent/JPH11235526A/ja not_active Withdrawn
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1999
- 1999-01-13 TW TW087120171A patent/TW412446B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
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TR199802529A2 (xx) | 1999-06-21 |
JPH11235526A (ja) | 1999-08-31 |
BG102971A (en) | 1999-08-31 |
TR199802529A3 (tr) | 1999-06-21 |
KR19990062817A (ko) | 1999-07-26 |
ZA9810494B (en) | 1999-05-24 |
CN1226461A (zh) | 1999-08-25 |
US5877108A (en) | 1999-03-02 |
EP0922492A1 (en) | 1999-06-16 |
BR9805660A (pt) | 2000-04-11 |
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