JP2013512082A - チタンゼオライト触媒の製造方法 - Google Patents
チタンゼオライト触媒の製造方法 Download PDFInfo
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- JP2013512082A JP2013512082A JP2012540397A JP2012540397A JP2013512082A JP 2013512082 A JP2013512082 A JP 2013512082A JP 2012540397 A JP2012540397 A JP 2012540397A JP 2012540397 A JP2012540397 A JP 2012540397A JP 2013512082 A JP2013512082 A JP 2013512082A
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- Japan
- Prior art keywords
- catalyst
- weight
- titanium zeolite
- carbonaceous material
- hydrocarbon
- Prior art date
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- DAFQZPUISLXFBF-UHFFFAOYSA-N tetraoxathiolane 5,5-dioxide Chemical compound O=S1(=O)OOOO1 DAFQZPUISLXFBF-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/89—Silicates, aluminosilicates or borosilicates of titanium, zirconium or hafnium
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
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- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/18—Carbon
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- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
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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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J29/00—Catalysts comprising molecular sieves
- B01J29/90—Regeneration or reactivation
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
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- B01J37/082—Decomposition and pyrolysis
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/10—Heat treatment in the presence of water, e.g. steam
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
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Abstract
(i)チタンゼオライトを含む触媒を製造する工程;
(ii)前記触媒を、前記炭化水素転化反応において使用する前に、不活性雰囲気中で少なくとも一種の炭化水素を含む流体に接触させることにより、炭質材料を、該触媒に含まれるチタンゼオライトの総重量に対して0.01〜0.5重量%の量で(i)の触媒に付着させて炭質材料含有触媒を得る工程、
を含み、
(ii)において前記触媒を酸素含有ガスに接触させないことを特徴とする製造方法。
【選択図】なし
Description
(i)チタンゼオライトを含む触媒を製造する工程;
(ii)前記触媒を、前記炭化水素転化反応において使用する前に、不活性雰囲気中で少なくとも一種の炭化水素を含む流体に接触させることにより、炭質材料を、該触媒に含まれるチタンゼオライトの総重量に対して0.01〜0.5重量%の量で(i)の触媒に付着させて炭質材料含有触媒を得る工程、
を含み、
(ii)において前記触媒を酸素含有ガスに接触させないことを特徴とする製造方法に関する。また、本発明は、上記方法で得られる触媒であって、該炭質材料をチタンゼオライトの総重量に対して0.01〜0.5重量%で含むものに関する。また、本発明は、上記触媒を炭化水素の転化、特に酸化に使用する方法に関する。また、本発明は、少なくとも一種のチタンゼオライトと炭質材料を含む触媒の存在下でプロピレンオキシドを製造するプロセスであって、前記触媒がチタンゼオライトの総重量に対して0.01〜0.5重量%で前記炭質材料を含み、前記プロセスが、
(i)チタンゼオライトを含む触媒を提供する工程、
(ii)前記触媒を、前記炭化水素転化反応で使用する前に、不活性雰囲気中で少なくとも一種の炭化水素を含む流体と接触させることにより、炭質材料を、該触媒に含まれるチタンゼオライトの総重量に対して0.01〜0.5重量%の範囲で(i)の触媒に付着させて炭質材料含有触媒を得る工程、
(iii)(ii)で得られた触媒を、プロピレン、ヒドロペルオキシド及び少なくとも一種の溶媒を含む反応混合物に接触させる工程、
を含み、(ii)において、前記触媒を酸素含有ガスに接触させないプロセスに関する。
あるいは失活したあるいは部分的に失活した触媒である。したがってここでも、過剰の炭質材料を触媒上に付着させ、活性な触媒を得るために続いて酸化剤での処理を必要とする二工程法が記載されている。
(i)チタンゼオライトを含む触媒を製造する工程;
(ii)前記触媒を、前記炭化水素転化反応において使用する前に、不活性雰囲気中で少なくとも一種の炭化水素を含む流体に接触させることにより、炭質材料を、該触媒に含まれるチタンゼオライトの総重量に対して0.01〜0.5重量%の量で(i)の触媒に付着させて炭質材料含有触媒を得る工程、
を含み、
(ii)において前記触媒を酸素含有ガスに接触させないことを特徴とする製造方法を提供する。
(i)少なくとも一種のチタンゼオライトとシリカバインダーを含む成形体を含む触媒を製造して、続いてこの触媒を乾燥及び焼成する工程、
(ii)不活性雰囲気中でこの触媒を炭化水素に接触させることにより、(i)の触媒上に炭質材料を、触媒中に含まれるチタンゼオライトの総量に対して0.01〜0.5重量%の範囲で付着させて、炭質材料含有触媒を得る工程、
を含み、前記触媒を酸素含有ガスに接触させないことを特徴とする方法に関する。
(I)この触媒を、オートクレーブ内で、好ましくは1.5〜5barの圧力で、100〜200℃の範囲の温度で、1〜48時間水で処理する工程、
(II)この触媒を乾燥させる工程;及び
(III)この触媒を焼成する工程、
を含む方法に関する。
(i)チタンゼオライトを含む触媒を提供する工程、
(ii)前記触媒を、前記炭化水素転化反応で使用する前に、不活性雰囲気中で少なくとも一種の炭化水素を含む流体と接触させることにより、炭質材料を、該触媒に含まれるチタンゼオライトの総重量に対して0.01〜0.5重量%の範囲で(i)の触媒に付着させて炭質材料含有触媒を得る工程、
(iii)(ii)で得られた触媒を、プロピレン、ヒドロペルオキシド及び少なくとも一種の溶媒を含む反応混合物に接触させる工程、
を含み、(ii)において、前記触媒を酸素含有ガスに接触させないことを特徴とする使用方法に関する。
(i)チタンゼオライトを含む触媒、好ましくはMFI構造をもつチタンゼオライトを含む触媒を製造する工程;
(ii)この触媒を不活性雰囲気中でプロピレンに接触させることにより、(i)で得られた触媒上に炭質材料を付着させる工程;
(iii)(ii)で得られた触媒を、プロピレンのエポキシ化、好ましくは溶媒としてメタノールをまた酸化剤としてヒドロペルオキシドを用いるプロピレンのエポキシ化に直接使用する工程、を含むプロピレンのエポキシ化方法であって、
(iii)で得られる触媒は、炭質材料を、触媒に含まれるチタンゼオライトの総重量に対して0.01〜0.5重量%の範囲で、好ましくは0.01〜0.1重量%、最も好ましくは0.03〜0.04重量%の範囲で含み、この炭質材料の含量はTOC分析で求めたものであることを特徴とする方法に関する。
(i)チタンゼオライトを含む触媒を提供する工程、
(ii)上記触媒を、上記炭化水素転化反応中でその触媒を使用する前に、不活性雰囲気中で少なくとも一種の炭化水素を含む流体に接触させることにより、炭質材料を、(i)の触媒に、該触媒に含まれるチタンゼオライトの総重量に対して0.01〜0.5重量%の範囲で付着させて炭質材料含有触媒を得る工程、
(iii)(ii)で得られた触媒をプロピレン、ヒドロペルオキシド及び少なくとも一種の溶媒を含む反応混合物に接触させる工程、
を含み、
(ii)において、触媒を酸素含有ガスに接触させない方法に関する。
(a)プロピレンと過酸化水素との反応でプロピレンオキシドと未反応プロピレンを含む混合物を与える工程と、
(b)工程(i)から得られる混合物中からの未反応プロピレンを分離する工程と、
(c)工程(ii)で分離されたプロピレンを過酸化水素と反応させる工程を含む。
粉末の合成
出発原料:
720kgのテトラエトキシシラン(TEOS)
400kgのテトラプロピルアンモニウムヒドロキシド(TPAOH) (40重量%水溶液)
16kgのテトラエトキシチタン(TEOT)
550kgの脱イオン水
混和機中でTS−1粉末とワコセルを混合し、5分間混合した。10分以内に上記ポリスチレン分散体を連続的に添加した。次いで15lのルドックスを連続的に添加した。得られた混合物を5分間混合し、15分以内にPEOを連続的に添加し、次いで10分間混合した。次いで水を添加した。直径が1.5mmの円孔をもつマトリックスを通して、この成形可能な物質を押し出した。得られたストランドをバンドドライヤ中で120℃の温度で2時間乾燥し、希薄空気(100m3/hの空気/100m3/hの窒素)中で550℃の温度で焼成した。収量は89kg(押出物I)であった。
この方法を繰り返した。収量は88kgであった(押出物II)。
出発原料
(a)88kgの押出物I
890kgの脱イオン水
(b)87kgの押出物II
880kgの脱イオン水
2.1 180gの触媒押出物(b)を縦型反応器に充填した。この反応器は、底部に18gの直径が2〜3mmのステアタイトペレットを有していた。この反応器は、頂上部に17gの直径が5mmのステアタイトペレットを有していた。流速が600Nl/h(ノルマルリットル/時)の窒素下で、この反応器を段階的に450℃の温度まで加熱した。この温度を維持した。次いでこの反応器に、流量が20Nl/hでプロペンを16時間通過させた。次いで窒素下でこの触媒を冷却し、大気温度で反応器から取り出した。収量:180g。この灰色のストランドを、得られた押出物から手で分離した。灰色ストランドの収量:24g
触媒A1(本発明)と触媒A2(本発明)と触媒C(比較用)を、溶媒としてのメタノール中で過酸化水素によるプロピレンのエポキシ化用の触媒として用いた。反応器として、長さが1400mmで外径が10mm、内径が7mmの縦型チューブ反応器を用いた。この反応器は冷却ジャケットを備えていた。15gの各触媒をこの反応器に充填した。反応器を通して、次の出発原料を、以下の流速で通過させた:メタノール(49g/h);過酸化水素(9g/h);プロピレン(7g/h)。冷却ジャケットを通過する冷却媒体を用いて、反応器から排出される反応混合物で求めた過酸化水素変換率が実質的に90%で一定となるように反応混合物の温度を調整した。通常50〜100時間の誘導期間の後、この温度は35〜45℃の範囲であった。反応器内の圧力は20barで一定に保った。固定床触媒以外の反応混合物は単一の液相となっていた。
Claims (21)
- 炭化水素の転化反応に用いる触媒の製造方法であって、前記触媒はチタンゼオライトと炭質材料を含み、前記触媒は該触媒に含まれるチタンゼオライトの総重量に対して0.01〜0.5重量%の量で前記炭質材料を含み、
当該方法は、
(i)チタンゼオライトを含む触媒を製造する工程;
(ii)前記触媒を、前記炭化水素転化反応において使用する前に、不活性雰囲気中で少なくとも一種の炭化水素を含む流体に接触させることにより、炭質材料を、該触媒に含まれるチタンゼオライトの総重量に対して0.01〜0.5重量%の量で(i)の触媒に付着させて炭質材料含有触媒を得る工程、
を含み、
(ii)において前記触媒を酸素含有ガスに接触させないことを特徴とする製造方法。 - (ii)において前記流体がガス流である請求項1に記載の方法。
- 前記不活性雰囲気が不活性ガスまたは不活性ガス混合物であり、前記不活性雰囲気は好ましくは窒素である請求項1または2に記載の方法。
- (ii)において、前記流体が前記少なくとも一種の炭化水素と不活性ガスまたは不活性ガス混合物を含むガス流であり、該ガス流において、不活性ガスまたは不活性ガス混合物に対する炭化水素の体積比が1:50〜1:5の範囲である請求項1〜3のいずれか一項に記載の方法。
- (i)で用いる少なくとも一種の炭化水素が、炭化水素の転化プロセスで転化される炭化水素に相当する請求項1〜4のいずれか一項に記載の方法。
- 前記炭化水素がオレフィン、好ましくはプロピレンである請求項1〜5のいずれか一項に記載の方法。
- (ii)の接触を400〜500℃の範囲の温度で行う請求項1〜6のいずれか一項に記載の方法。
- (ii)の接触を12〜48時間の範囲の時間行う請求項1〜7のいずれか一項に記載の方法。
- 前記チタンゼオライトがMFI、MEL、MWW、BEAまたはFER構造、またはこれらの二種以上の混合構造を、好ましくはMFI構造をもつ請求項1〜8のいずれか一項に記載の方法。
- (ii)の前後のいずれにおいても前記触媒をシリル化処理に付さない請求項1〜9のいずれか一項に記載の方法。
- (i)の後で(ii)の前に、前記触媒を水熱処理に付し、該水熱処理が、好ましくは、
(I)前記触媒を、オートクレーブ内で、好ましくは2〜3barの圧力で、好ましくは130〜150℃の範囲の温度で、好ましくは12〜48時間水で処理する工程、
(II)前記触媒を、好ましくは100〜150℃の範囲の温度で乾燥させる工程;及び
(III)乾燥した触媒を、好ましくは450〜500℃の範囲の温度で焼成する工程、
を含む請求項1〜10のいずれか一項に記載の方法。 - (i)において、前記チタンゼオライトを成形して、好ましくは押出成形して、チタンゼオライトと好ましくは少なくとも一種のバインダー、特にシリカバインダーを含む成形体を得る請求項1〜11のいずれか一項に記載の方法。
- 前記触媒が、該触媒に含まれるチタンゼオライトの総重量に対して0.01〜0.1重量%、好ましくは0.01〜0.06重量%、より好ましくは0.02〜0.05重量%、更に好ましくは0.03〜0.04重量%の量で前記炭質材料を含み、(ii)において、前記炭質材料を、前記触媒に含まれるチタンゼオライトの総重量に対して0.01〜0.1重量%、好ましくは0.01〜0.06重量%、より好ましくは0.02〜0.05重量%、更に好ましくは0.03〜0.04重量%の量で(i)の触媒に付着させる請求項1〜12のいずれか一項に記載の方法。
- チタンゼオライトと炭質材料を含む触媒であって、該触媒に含まれるチタンゼオライトの総重量に対して0.01〜0.5%質量%、好ましくは0.01〜0.1重量%、より好ましくは0.01〜0.06重量%、より好ましくは0.02〜0.05重量%、より好ましくは0.03〜0.04重量%の量で炭質材料を含み、当該触媒は請求項1〜13のいずれか一項に記載の方法によって得られることが可能であり又は得られるものであり、前記チタンゼオライトはMFI、MEL、MWW、BEAまたはFER構造またはこれらの二種以上の混合構造を、好ましくはMFI構造をもつことを特徴とする触媒。
- 前記成形体がマイクロポアとメソポアを含む請求項12に従属する請求項14に記載の触媒。
- 前記成形体が、該成形体の総重量に対して70〜80重量%の量のチタンゼオライト及び炭質材料と、20〜30重量%のバインダー、好ましくはシリカバインダーを含む請求項15に記載の触媒。
- 前記成形体の、明細書中に詳細に説明したZwick社のBZ2.5/TS1S型装置を用いて求めた破砕強度が少なくとも22N、好ましくは22〜25Nである請求項15または16に記載の触媒。
- 請求項14〜17のいずれか一項に記載の触媒を、炭化水素の転化プロセスにおいて、好ましくは炭化水素の酸化、より好ましくはオレフィンのエポキシ化、特にプロピレンのエポキシ化プロセスにおいて使用する方法。
- 前記炭化水素の転化プロセスが、少なくとも一種のチタンゼオライトと炭質材料を含む触媒の存在下でプロピレンオキシドを製造するプロセスであり、前記触媒がチタンゼオライトの総重量に対して0.01〜0.5重量%で前記炭質材料を含み、
前記プロセスが、
(i)チタンゼオライトを含む触媒を提供する工程、
(ii)前記触媒を、前記炭化水素転化反応で使用する前に、不活性雰囲気中で少なくとも一種の炭化水素を含む流体と接触させることにより、炭質材料を、該触媒に含まれるチタンゼオライトの総重量に対して0.01〜0.5重量%の範囲で(i)の触媒に付着させて炭質材料含有触媒を得る工程、
(iii)(ii)で得られた触媒を、プロピレン、ヒドロペルオキシド及び少なくとも一種の溶媒を含む反応混合物に接触させる工程、
を含み、
(ii)において、前記触媒を酸素含有ガスに接触させない請求項18に記載の使用方法。 - (iii)において、前記触媒がチタンシリカライト1触媒であり、前記ヒドロペルオキシドが過酸化水素であり、前記溶媒がメタノールである請求項19に記載の使用方法。
- 前記触媒は、該触媒に含まれるチタンゼオライトの総重量に対して0.01〜0.1重量%、好ましくは0.01〜0.06重量%、より好ましくは0.02〜0.05重量%、より好ましくは0.03〜0.04重量%の量で前記炭質材料を含み、(ii)において、前記炭質材料を、該触媒に含まれるチタンゼオライトの総重量に対して、0.01〜0.1重量%、好ましくは0.01〜0.06重量%、より好ましくは0.02〜0.05重量%、より好ましくは0.03〜0.04重量%の量で(i)の触媒に付着させる請求項19または20に記載の使用方法。
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KR20210106586A (ko) * | 2013-10-02 | 2021-08-30 | 솔베이(소시에떼아노님) | 정제된 과산화수소 수용액의 제조 방법 |
JP7104105B2 (ja) | 2013-10-02 | 2022-07-20 | ソルヴェイ(ソシエテ アノニム) | 精製過酸化水素水溶液の製造方法 |
JP2020186168A (ja) * | 2013-10-02 | 2020-11-19 | ソルヴェイ(ソシエテ アノニム) | 精製過酸化水素水溶液の製造方法 |
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JP2021087901A (ja) * | 2019-12-02 | 2021-06-10 | 栗田工業株式会社 | 水処理用浄化剤の製造方法 |
JP2021090896A (ja) * | 2019-12-06 | 2021-06-17 | 栗田工業株式会社 | 吸着剤、その製造方法及び水処理方法 |
JP7400421B2 (ja) | 2019-12-06 | 2023-12-19 | 栗田工業株式会社 | 吸着剤、その製造方法及び水処理方法 |
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ES2596223T3 (es) | 2017-01-05 |
MX339546B (es) | 2016-05-30 |
RU2012126602A (ru) | 2014-01-10 |
SG10201407829TA (en) | 2015-01-29 |
BR112012012634A2 (pt) | 2020-09-15 |
ZA201204699B (en) | 2013-09-25 |
CN102740968A (zh) | 2012-10-17 |
EP2504098A1 (en) | 2012-10-03 |
US9302257B2 (en) | 2016-04-05 |
EP2504098B1 (en) | 2016-07-06 |
JP5933445B2 (ja) | 2016-06-08 |
KR101844084B1 (ko) | 2018-03-30 |
CN102740968B (zh) | 2015-07-01 |
MX2012005845A (es) | 2012-08-01 |
US20110130579A1 (en) | 2011-06-02 |
WO2011064191A1 (en) | 2011-06-03 |
RU2561100C2 (ru) | 2015-08-20 |
MY160594A (en) | 2017-03-15 |
KR20120087180A (ko) | 2012-08-06 |
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