JP2016525087A - 気相酸化反応器を始動するための方法 - Google Patents
気相酸化反応器を始動するための方法 Download PDFInfo
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- JP2016525087A JP2016525087A JP2016522903A JP2016522903A JP2016525087A JP 2016525087 A JP2016525087 A JP 2016525087A JP 2016522903 A JP2016522903 A JP 2016522903A JP 2016522903 A JP2016522903 A JP 2016522903A JP 2016525087 A JP2016525087 A JP 2016525087A
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- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- 229910003438 thallium oxide Inorganic materials 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 150000003682 vanadium compounds Chemical class 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
- C07D307/89—Benzo [c] furans; Hydrogenated benzo [c] furans with two oxygen atoms directly attached in positions 1 and 3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
- C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/31—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting
- C07C51/313—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting with molecular oxygen
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Furan Compounds (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Abstract
Description
触媒ゾーンの製造
触媒ゾーン1(CZ1)(VおよびSb供給源としてのアンチモン酸バナジウム):
アンチモン酸バナジウムの製造:
五酸化バナジウム2284.1gおよび三酸化アンチモン1462g(Antraco ACC−BS、約4%バレンチン鉱および96%方安鉱;Sb2O3≧99.8質量%;As≦800質量ppm、Pb≦800質量ppm、Fe≦30質量ppm、平均粒子径=1.4μm)を脱塩水5.6lに懸濁し、懸濁液を還流下15時間攪拌した。その後、懸濁液を80℃に冷却し、噴霧乾燥によって乾燥させた。入口温度は340℃であり、出口温度は110℃であった。こうして得られた噴霧粉末は、BET表面積が89m2/gであり、バナジウム含量が32質量%およびアンチモン含量が30質量%であった。生成物は以下の結晶成分を有していた:バレンチン鉱(ICPDS:11−0689):約3%;方安鉱(ICPDS:43−1071):約2%;アンチモン酸バナジウム(ICPDS:81−1219):約95%。アンチモン酸バナジウムの平均結晶径は約9nmであった。
流動床装置中で、寸法が7mm×7mm×4mmのステアタイトリング(ケイ酸マグネシウム)2kgに、炭酸セシウム4.4g、二酸化チタン413.3g(Fuji TA 100CT;アナターゼ型、BET表面積27m2/g)、二酸化チタン222.5g(Fuji TA 100;アナターゼ型、BET表面積7m2/g)、アンチモン酸バナジウム86.9g(上記のように製造した)、脱塩水1870.1gおよび有機結合剤76.7g(50質量%の水性分散体の形態の酢酸ビニルとラウリン酸ビニルのコポリマー)の懸濁液752gを被覆した。450℃で1時間触媒をか焼した後、ステアタイトリングに塗布した活性材料は8.3%であった。活性材料の分析組成は、7.1%V2O5、4.5%Sb2O3、0.50%Cs、残りTiO2からなっていた。
流動床装置中で、寸法が7mm×7mm×4mmのステアタイトリング(ケイ酸マグネシウム)2kgに、炭酸セシウム3.0g、二酸化チタン446.9g(Fuji TA 100C;アナターゼ型、BET表面積20m2/g)、二酸化チタン133.5g(Fuji TA 100;アナターゼ型、BET表面積7m2/g)、五酸化バナジウム45.4g、三酸化アンチモン11.6g、脱塩水1660.1gおよび有機結合剤104.5g(50質量%の水性分散体の形態の酢酸ビニルとラウリン酸ビニルのコポリマー)の懸濁液920gを被覆した。450℃で1時間触媒をか焼した後、ステアタイトリングに塗布した活性材料は10.0%であった。活性材料の分析組成は、7.1%V2O5、1.8%Sb2O3、0.38%Cs、残りTiO2からなっていた。
流動床装置中で、寸法が7mm×7mm×4mmのステアタイトリング(ケイ酸マグネシウム)2kgに、炭酸セシウム2.33g、二酸化チタン468.7g(Fuji TA 100C;アナターゼ型、BET表面積20m2/g)、二酸化チタン76.3g(Fuji TA 100;アナターゼ型、BET表面積7m2/g)、五酸化バナジウム48.7g、三酸化アンチモン16.7g、脱塩水1588.0gおよび有機結合剤85.2g(50質量%の水性分散体の形態の酢酸ビニルとラウリン酸ビニルのコポリマー)の懸濁液750gを被覆した。450℃で1時間触媒をか焼した後、ステアタイトリングに塗布した活性材料は8.5%であった。活性材料の分析組成は、7.95%V2O5、2.7%Sb2O3、0.31%Cs、残りTiO2からなっていた。
流動床装置中で、寸法が7mm×7mm×4mmのステアタイトリング(ケイ酸マグネシウム)2kgに、炭酸セシウム1.7g、二酸化チタン370.1g(Fuji TA 100CT;アナターゼ型、BET表面積27m2/g)、二酸化チタン158.6g(Fuji TA 100;アナターゼ型、BET表面積7m2/g)、五酸化バナジウム67.3g、三酸化アンチモン14.8g、脱塩水1587.9gおよび有機結合剤86.3g(50質量%の水性分散体の形態の酢酸ビニルとラウリン酸ビニルのコポリマー)の懸濁液760gを被覆した。450℃で1時間触媒をか焼した後、ステアタイトリングに塗布した活性材料は8.5%であった。活性材料の分析組成は、11%V2O5、2.4%Sb2O3、0.22%Cs、残りTiO2からなっていた。
流動床装置中で、寸法が7mm×7mm×4mmのステアタイトリング(ケイ酸マグネシウム)2kgに、二酸化チタン389.8g(Fuji TA 100CT;アナターゼ型、BET表面積27m2/g)、二酸化チタン97.5g(Fuji TA 100;アナターゼ型、BET表面積7m2/g)、五酸化バナジウム122.4g、脱塩水1587.9gおよび有機結合剤96.5g(50質量%の水性分散体の形態の酢酸ビニルとラウリン酸ビニルのコポリマー)の懸濁液850gを被覆した。
o−キシレンの無水フタル酸への触媒酸化を、合計18900個の管を有する塩浴冷却シェルアンドチューブ型反応器で、工業規模で行った。反応器入口から反応器出口まで、各場合で、CZ1 80cm、CZ2 60cm、CZ3 70cm、CZ4 50cmおよびCZ5 60cmを内部幅25mmの個々の管に導入した。CZ1〜CZ5の上記製造に基づく触媒層を、各場合で、ステアタイトリング150kgのバッチで製造した。温度調節のために、鉄管を塩融解物で囲んだ。
o−キシレンの無水フタル酸への触媒酸化を、管の内径が25mmの塩浴冷却管型反応器で行った。反応器入口から反応器出口まで、各場合で、CZ1 80cm、CZ2 60cm、CZ3 70cm、CZ4 50cmおよびCZ5 60cmを長さ3.5mおよび内部幅25mmの鉄管に導入した。温度調節のために、鉄管を塩融解物で囲んだ。設置した引張要素を有する4mm外径サーモウェルが触媒温度測定に役立った。
触媒ゾーンの製造
触媒ゾーン1(CZ1)
流動床装置中で、寸法が8mm×6mm×5mmのリングの形態のステアタイトリング(ケイ酸マグネシウム)2kgに、炭酸セシウム6.92g、二酸化チタン562.34g(Fuji TA 100C;アナターゼ型、BET表面積20m2/g)、五酸化バナジウム42.86g、五酸化ニオブ1.75g、脱塩水1587.96gおよび有機結合剤97.7g(50質量%の水性分散体の形態の酢酸ビニルとラウリン酸ビニルのコポリマー)の懸濁液860gを被覆した。
o−キシレンの無水フタル酸への触媒酸化を、管の内径が25mmの塩浴冷却管型反応器で行った。反応器入口から反応器出口まで、各場合で、CZ1 80cm、CZ2 80cm、CZ3 90cmおよびCZ4 90cmを長さ3.5mおよび内部幅25mmの鉄管に導入した。温度調節のために、鉄管を塩融解物で囲んだ。設置した引張要素を有する4mm外径サーモウェルが触媒温度測定に役立った。
Claims (9)
- 少なくとも1種の芳香族炭化水素および分子状酸素を含むガス流を熱搬送媒体によってサーモスタット管理された触媒上に連続的に通す、芳香族炭化水素の気相酸化によってカルボン酸および/またはカルボン酸無水物を製造するための方法であって、反応器の始動中少なくとも24時間熱搬送媒体の温度を一定に保つ工程を含み、その間、炭化水素のガス流への投入量もガス流体積も3%超増加させない、方法。
- 熱搬送媒体の温度を少なくとも48時間一定に保つ、請求項1に記載の方法。
- 熱搬送媒体の温度を一定に保つ期間中における炭化水素のガス流への投入量を最大1.5%増加させる、請求項1または2に記載の方法。
- 熱搬送媒体の温度を一定に保つ期間中におけるガス流体積を最大2.5%増加させる、請求項1または2に記載の方法。
- 始動の過程における熱搬送媒体の温度を、380〜410℃の範囲の温度から340〜365℃の範囲の温度まで低下させる、請求項1または2に記載の方法。
- 炭化水素のガス流への投入量を、始動の過程において25〜30g/m3(STP)から70〜120g/m3(STP)まで増加させる、請求項1または2に記載の方法。
- 無水フタル酸をo−キシレンおよび/またはナフタレンから製造する、請求項1から6のいずれか一項に記載の方法。
- 触媒の触媒活性材料が少なくとも五酸化バナジウムおよび二酸化チタンを含む、請求項1から7のいずれか一項に記載の方法。
- 芳香族炭化水素の気相酸化によるカルボン酸および/またはカルボン酸無水物の製造において生成物品質を改善するための、請求項1から8のいずれか一項に記載の方法を使用する方法。
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WO2016156042A1 (de) | 2015-03-27 | 2016-10-06 | Basf Se | Katalysatorformkörper für die katalytische oxidation von so2 zu so3 |
CN116134024A (zh) * | 2020-07-14 | 2023-05-16 | 科莱恩国际有限公司 | 启动用于制备邻苯二甲酸酐的反应器的方法 |
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ES2717768T3 (es) | 2019-06-25 |
CN105339338A (zh) | 2016-02-17 |
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EP3013784B1 (de) | 2018-12-26 |
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