JP7124101B2 - キシレンへの重質リフォーメート変換のための複合ゼオライト触媒の製造方法 - Google Patents
キシレンへの重質リフォーメート変換のための複合ゼオライト触媒の製造方法 Download PDFInfo
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Description
以下、本発明の好ましい実施形態を項分け記載する。
実施形態1
複合ゼオライト触媒を形成する方法であって、
ケイ素源と水性有機構造指向剤とを組み合わせて、シリカ中間ゲルを形成することであって、前記水性有機指向構造剤は、N 4 -phe-C n (OH) 4 に従う構造を有するポリアミノカチオン化合物を含み、「n」が、6~22の範囲で変化する、シリカ中間ゲルを形成することと、
アルミニウム前駆体を前記シリカ中間ゲルに導入して、触媒前駆体ゲルを形成することと、
前記触媒前駆体ゲル中の水を蒸発させて、触媒ゲルを形成することと、
前記触媒ゲルを加熱して、複合ゼオライト触媒粒子を形成することであって、前記触媒粒子は、ベータおよびZSM-5ゼオライトの両方を有し、ベータ結晶およびZSM-5結晶の両方の混合物を含む連晶領域を有することを特徴とする、複合ゼオライト触媒粒子を形成することと、
を含む、方法。
実施形態2
前記ケイ素源が、シリカゲル、酸化ケイ素、ハロゲン化ケイ素、オルトケイ酸テトラアルキル、シリケート、ケイ酸、ヒュームドシリカ、ケイ酸ナトリウム、コロイドシリカ、またはそれらの組み合わせを含む、実施形態1に記載の方法。
実施形態3
前記ケイ素源が、シリカゲルであり、前記シリカゲルが、水中20~60重量%のシリカの懸濁液である、実施形態1に記載の方法。
実施形態4
前記ポリアミノカチオンが、以下に従う構造を含む、実施形態1~3のいずれかに記載の方法。
実施形態5
前記水性有機指向構造が、5~15重量%のポリアミノカチオンおよび85~95重量%の水を含む、実施形態1~4のいずれかに記載の方法。
実施形態6
前記アルミニウム前駆体が、アルミナ(Al 2 O 3 )、水酸化アルミニウム(Al(OH) 3 )、酸化水酸化アルミニウム(AlO(OH))、またはそれらの組み合わせである、実施形態1~5のいずれかに記載の方法。
実施形態7
前記触媒ゲルの前記加熱が、自己圧力下、130~180℃の温度で、撹拌しながら密封容器中で行われ、前記加熱が、4~10日間継続される、実施形態1~6のいずれかに記載の方法。
実施形態8
前記方法が、モリブデン、クロム、白金、ニッケル、タングステン、パラジウム、ルテニウム、金、レニウム、ロジウム、またはそれらの組み合わせからなる群から選択される、最大20重量%の1つ以上の金属に前記複合ゼオライト触媒を含浸させて、含浸複合ゼオライト触媒を生成することをさらに含む、実施形態1~7のいずれかに記載の方法。
実施形態9
複合ゼオライト触媒であって、
前記複合ゼオライト触媒が、単一の触媒粒子内にZSM-5およびベータを含み、
前記複合ゼオライト触媒が、ベータ結晶とZSM-5結晶との混合物を含む連晶領域を有し、ZSM-5とベータとの前記連晶は、7.6±0.2、7.9±0.2、8.8±0.2、22.4±0.2、23.1±0.2、および23.9±0.2に典型的なピークを有するXRD曲線を特徴とし、
前記複合ゼオライト触媒が、モリブデン、タングステン、ルテニウム、金、レニウム、ロジウム、またはそれらの組み合わせからなる群から選択される、最大20重量%の1つ以上の金属をさらに含み、含浸ゼオライト触媒を生成する、複合ゼオライト触媒。
実施形態10
前記複合ゼオライト触媒が、最大20重量%の過レニウム酸アンモニウムの形態のレニウム、モリブデン酸アンモニウム四水和物の形態のモリブデン、またはそれらの組み合わせをさらに含み、含浸ゼオライト触媒を生成する、実施形態9に記載の複合ゼオライト触媒。
実施形態11
キシレンを作製する方法であって、
重質リフォーメートを、複数の触媒粒子を含む複合ゼオライト触媒を含有する反応器に供給することであって、各触媒粒子が、ZSM-5およびベータゼオライトの両方を含み、ベータ結晶およびZSM-5結晶の両方の混合物を含む連晶領域を有する、供給することと、
前記反応器中で前記重質リフォーメートのトランスアルキル化と脱アルキル化とを同時に行うことによって、キシレンを生成することであって、各複合ゼオライト触媒粒子が、前記トランスアルキル化反応および前記脱アルキル化反応の両方を同時に触媒することができる、生成することと、を含み、
前記複合ゼオライト触媒が、モリブデン、タングステン、ルテニウム、金、レニウム、ロジウム、またはそれらの組み合わせからなる群から選択される、最大20重量%の1つ以上の金属をさらに含み、含浸ゼオライト触媒を生成する、方法。
実施形態12
前記複合ゼオライト触媒が、最大20重量%の過レニウム酸アンモニウムの形態でレニウム、モリブデン酸アンモニウム四水和物の形態でモリブデン、またはそれらの組み合わせをさらに含む、実施形態11に記載の方法。
実施形態13
前記重質リフォーメートが、少なくとも15重量%のメチルエチルベンゼン(MEB)および少なくとも50重量%のトリメチルベンゼン(TMB)を含む、実施形態11または12に記載の方法。
実施形態14
キシレンを作製するためのシステムであって、
複数の触媒粒子を含む複合ゼオライト触媒を含有する反応器を含み、各触媒粒子は、ZSM-5およびベータゼオライトの両方を含み、ベータ結晶およびZSM-5結晶の両方の混合物を含む連晶領域を有し、
前記複合ゼオライト触媒が、モリブデン、タングステン、ルテニウム、金、レニウム、ロジウム、またはそれらの組み合わせからなる群から選択される、最大20重量%の1つ以上の金属をさらに含み、含浸複合ゼオライト触媒を生成する、システム。
実施形態15
前記複合ゼオライト触媒が、最大20重量%の過レニウム酸アンモニウムの形態のレニウム、モリブデン酸アンモニウム四水和物の形態のモリブデン、またはそれらの組み合わせをさらに含み、含浸複合ゼオライト触媒を生成する、実施形態14に記載のシステム。
Claims (12)
- 複合ゼオライト触媒を形成する方法であって、
ケイ素源と、5~15重量%のポリアミノカチオンおよび85~95重量%の水を含む水性有機構造指向剤とを組み合わせて、シリカ中間ゲルを形成することであって、前記ポリアミノカチオンは、
に従う構造を有し、「n」が、6~22の範囲で変化する、シリカ中間ゲルを形成することと、
アルミニウム前駆体を前記シリカ中間ゲルに導入して、触媒前駆体ゲルを形成することと、
前記触媒前駆体ゲル中の水を蒸発させて、触媒ゲルを形成することと、
前記触媒ゲルを加熱して、複合ゼオライト触媒粒子を形成することであって、前記触媒粒子は、ベータおよびZSM-5ゼオライトの両方を有し、ベータ結晶およびZSM-5結晶の両方の混合物を含む連晶領域を有することを特徴とする、複合ゼオライト触媒粒子を形成することと、
を含む、方法。 - 前記ケイ素源が、シリカゲル、酸化ケイ素、ハロゲン化ケイ素、オルトケイ酸テトラアルキル、シリケート、ケイ酸、ヒュームドシリカ、ケイ酸ナトリウム、コロイドシリカ、またはそれらの組み合わせを含む、請求項1に記載の方法。
- 前記ケイ素源が、シリカゲルであり、前記シリカゲルが、水中20~60重量%のシリカの懸濁液である、請求項1に記載の方法。
- 前記アルミニウム前駆体が、アルミナ(Al2O3)、水酸化アルミニウム(Al(OH)3)、酸化水酸化アルミニウム(AlO(OH))、またはそれらの組み合わせである、請求項1~4のいずれかに記載の方法。
- 前記触媒ゲルの前記加熱が、自己圧力下、130~180℃の温度で、撹拌しながら密封容器中で行われ、前記加熱が、4~10日間継続される、請求項1~5のいずれかに記載の方法。
- 前記方法が、モリブデン、クロム、白金、ニッケル、タングステン、パラジウム、ルテニウム、金、レニウム、ロジウム、またはそれらの組み合わせからなる群から選択される、最大20重量%の1つ以上の金属に前記複合ゼオライト触媒を含浸させて、含浸複合ゼオライト触媒を生成することをさらに含む、請求項1~6のいずれかに記載の方法。
- キシレンを作製する方法であって、
重質リフォーメートを、複数の触媒粒子を含む複合ゼオライト触媒を含有する反応器に供給することであって、各触媒粒子が、ZSM-5およびベータゼオライトの両方を含み、ベータ結晶およびZSM-5結晶の両方の混合物を含む連晶領域を有する、供給することと、
前記反応器中で前記重質リフォーメートのトランスアルキル化と脱アルキル化とを同時に行うことによって、キシレンを生成することであって、各複合ゼオライト触媒粒子が、前記重質リフォーメートの前記トランスアルキル化および前記脱アルキル化の両方を同時に触媒することができる、生成することと、を含み、
前記複合ゼオライト触媒が、モリブデン、タングステン、ルテニウム、金、レニウム、ロジウム、またはそれらの組み合わせからなる群から選択される、最大20重量%の1つ以上の金属をさらに含み、含浸ゼオライト触媒を生成する、方法。 - 前記複合ゼオライト触媒が、最大20重量%の過レニウム酸アンモニウムの形態でレニウム、モリブデン酸アンモニウム四水和物の形態でモリブデン、またはそれらの組み合わせをさらに含む、請求項8に記載の方法。
- 前記重質リフォーメートが、少なくとも15重量%のメチルエチルベンゼン(MEB)および少なくとも50重量%のトリメチルベンゼン(TMB)を含む、請求項8または9に記載の方法。
- キシレンを作製するためのシステムであって、
複数の触媒粒子を含む複合ゼオライト触媒を含有する反応器を含み、各触媒粒子は、ZSM-5およびベータゼオライトの両方を含み、ベータ結晶およびZSM-5結晶の両方の混合物を含む連晶領域を有し、
前記複合ゼオライト触媒が、モリブデン、タングステン、ルテニウム、金、レニウム、ロジウム、またはそれらの組み合わせからなる群から選択される、最大20重量%の1つ以上の金属をさらに含み、含浸複合ゼオライト触媒を生成する、システム。 - 前記複合ゼオライト触媒が、最大20重量%の過レニウム酸アンモニウムの形態のレニウム、モリブデン酸アンモニウム四水和物の形態のモリブデン、またはそれらの組み合わせをさらに含み、含浸複合ゼオライト触媒を生成する、請求項11に記載のシステム。
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| CN117358298A (zh) | 2024-01-09 |
| JP2021516609A (ja) | 2021-07-08 |
| US10723630B2 (en) | 2020-07-28 |
| CN112105457B (zh) | 2023-10-24 |
| SA520420154B1 (ar) | 2023-01-26 |
| EP3539650A1 (en) | 2019-09-18 |
| KR102533315B1 (ko) | 2023-05-19 |
| WO2019177954A4 (en) | 2019-11-14 |
| CN112105457A (zh) | 2020-12-18 |
| EP3539650B1 (en) | 2021-03-31 |
| US20190284056A1 (en) | 2019-09-19 |
| WO2019177954A1 (en) | 2019-09-19 |
| EP3834931A1 (en) | 2021-06-16 |
| SG11202008384UA (en) | 2020-09-29 |
| KR20210036861A (ko) | 2021-04-05 |
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