JP5336480B2 - 構造的に強化された分解触媒 - Google Patents
構造的に強化された分解触媒 Download PDFInfo
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Description
以下の実施例により本発明を説明する。以下の実施例及び本明細書及び請求の範囲の他の部分で特に特記しない限り、「部」と「%」のすべては、質量換算の値であり、温度はすべて℃であり、圧力は、大気圧またはその近傍である。
25部のLHT含水カオリンと、25部のアンシレックス93(TM)スピネル型焼成カオリン、25部のM−93ムライト型焼成カオリン粉末、25部のムライト型カオリン芯部マイクロスフェアーを含むマイクロスフェアーを調整した。この含水及び焼成カオリンの混合物に、2.56部のNブランド(TM)ケイ酸ナトリウム由来のSiO2を添加した。含水カオリンの原料は、LHT、いわゆるグレーγカオリンクレーを遠心分離して1ミクロンより小さな大きさの粒子90重量%を得る際の粗大な副生成物の60%固体スラリーである。
実施例1に述べた成功裏の噴霧乾燥の前に、適当な平均粒度を得るために、同一組成物ではあるが異なるノズル径と噴霧器空気圧で、数回試験を行った。試験のいくつかでは、より小さなAPSが得られ、試験のいくつかでは望ましい噴霧乾燥APSより大きなものが得られた。これらの規格外試験の粉末は、混合してゼオライトの結晶化と安定性の試験用の噴霧乾燥複合物とし、また鞘部の均一性と形態が劣りかなり性能の劣る一例とした。
次いで、米国特許6,656,347の実施例4〜6に記載のプロセスを用いて、N−ブランドケイ酸ナトリウムを用いて、また米国特許4,631,262の種結晶を用いて、試験室において実施例1と2のマイクロスフェアーを結晶化させた。なおこれらの特許を本出願に参照として組み込むものとする。実施例1の発明において二回結晶化を行った。第一回目は、追加のメタカオリンマイクロスフェアーのないもの(MS−2;実施例3)であり、第二回目は、7.5%のマイクロスフェアーが用いられたものである(MS−2メタカオリン)。MS−2の使用は、制限試薬である反応性アルミナの存在量を増加させ、したがって理論的化学量論的なNaγゼオライト(米国特許6,656,347)の収量を増加させる。7.5%のMS−2を、実施例2の複合物の結晶化にも用いた。結晶化比率とその生成物のデータを表2に示す。
本実施例6では、米国特許6,656,347の実施例11にしたがって、マイクロスフェアーを商業的に噴霧乾燥した。
本実施例7では、米国特許6,656,347にしたがって、マイクロスフェアーを商業的に噴霧乾燥した。
実施例6と7のマイクロスフェアーを、そこに記載のプロセスから取り出された濃縮ジケイ酸ナトリウム塩母液リサイクル流体(SDS)を用いて、試験室で結晶化させた。この結晶化比率と得られた生成物のデータを表3に示す。高空隙体積比較触媒(例6)用のマイクロスフェアー前駆体上で、二回の結晶化を行った。第一回目は20%の追加メタカオリンマイクロスフェアーとともに(MS−2;実施例8)行い、第二回目は15%のMS−2メタカオリン(例9)のマイクロスフェアーとともに行った。低空隙体積比較触媒(例7)用のマイクロスフェアー前駆体上での結晶化に7.5%のMS−2も用いた。
実施例3〜5のナトリウム型触媒を、次のようにイオン交換して最終製品とした。ナトリウム型触媒を、180°FでpHが2.8〜3.2の27重量%の硝酸アンモニウム溶液に攪拌下で添加し、50%のHNO3を滴下してpHをコントロールした。すべての触媒の添加後、スラリーを15分間攪拌し、濾過後、そのケーキを乾燥触媒重量の二倍の脱イオン水で洗浄した。このようなイオン交換を二回実施した。その際の触媒と27重量%硝酸アンモニウムの重量比は1:2であった。次いで、試料を180°Fで、pH4で希土類とイオン交換し、最終的に完成触媒上に約2.25%REOを得た。
物質移動の制限があると仮定すると、低触媒活性で低表面積のいずれの試料も、その結果として仮想的に、改善された選択性を有している。したがって、高表面積の実施例11と12または高活性の先行技術試料に対する実施例13の性能試験は、実施例13にとって好ましい内蔵された偏りを与えるであろう。この試験の偏りを除くために、実施例13と類似の実施例5の残存試料を混合し、水熱安定性を向上させるために0.11重量%のNa2Oでイオン交換させた。これは、水蒸気安定性において不十分であることがわかり、このため、三回の1500°Fでの短時間水蒸気処理を行った。この結果、90分の水蒸気処理が実施例11と12に近い水蒸気処理表面積と単位セルサイズを与えることがわかった。この試料は、鞘部の形態が収量に与える影響を評価するのにより適当である。
上の実施例と同じ方法で、実施例8〜10のナトリウム型触媒をイオン交換し焼成して最終製品とした。出発ゼオライトの高レベルを考えると希土類の目標値は高く、ゼオライト上の希土類のレベルを一定とするように調整を行った。焼成は、1150°Fで、蓋つきの皿中で25%水蒸気中で2時間行った。これら二種の高空隙体積触媒を第二の焼成を行った2×2生成物にまで処理したが、低空隙体積生成物は最終の焼成を行うことなく2×1生成物にまで処理した。
驚くほど高く、疑問を抱かせる程度にまで実施例17に近い。同一の結晶化組成で以前に合成した低希土類生成物は、よく似た空隙体積を与えた。
9グラムの触媒とあるガス油供給物[米国特許6,656,347の表5の供給物A]を、米国特許6,069,012に記載の方法で2.125”の噴射器位置から供給しながら、見かけ上8WHSVで1000°Fで運転するACE(TM)小型固定流動床装置を用いて、触媒性能を測定した。この特許では、この噴射器の位置が2〜2.5秒のライザー滞留時間に相当するとしている。触媒ストリップ時刻は、575秒で一定とした。実施例11と12、16〜19の触媒を、ブラウンらの米国特許4,943,902に開示されているように、活性調整用マイクロスフェアーで希釈した。しかしながら、米国特許6,069,012や従来の反応エンジニアリングの方法と正しく比較するためには、異なる触媒を同じ床体積で評価する必要があることは明らかである。このため、供給物注入点の上の触媒床の高さが比較して一定とすることが必要となる。このために、これらの触媒製剤を混合してABDを等しくし、一定の重量で試験した。これは、適当量の、ブラウンに記載の活性調節用マイクロスフェアー(約0.98ABD)と酸中和されまた水蒸気処理されたABDが0.63のカオリンマイクロスフェアーを使用して行われた。
この出願は、U.S.P.No.11/765,784(2007年6月20日出願)の一部継続である。
Claims (10)
- 実質的に不活性な芯部と
前記芯部の周りの活性な触媒鞘部とからなり、
前記触媒鞘部がゼオライト触媒とマトリックスとを含み、該ゼオライトが鞘部中で系内生成、系内結晶化され、芯部の平均粒度は30〜60ミクロンであり、鞘部の平均厚みが5〜30ミクロンであることを特徴とする流動化可能な接触分解触媒。 - 前記実質的に不活性な芯部が、少なくとも一種のムライトまたはα−アルミナを含む請求項1に記載の流動化可能な接触分解触媒。
- 前記ゼオライト触媒が、前記活性な鞘部中で系内結晶化され、30〜70重量%の前記触媒を含む請求項1又は2に記載の流動化可能な接触分解触媒。
- 前記活性な鞘部がバインダーにより前記マトリックス中に導入されたゼオライト触媒を含む請求項1〜3のいずれか一項に記載の流動化可能な接触分解触媒。
- 前記活性な鞘部が金属類不動態化機能を有するアルミナを含んでいる請求項1〜4のいずれか一項に記載の流動化可能な接触分解触媒。
- 触媒的に活性な鞘部で覆われた触媒的に活性な芯部からなる流動化可能な分解触媒であって、前記芯部または鞘部の少なくとも一つがゼオライト触媒とマトリックスを含み、
前記芯部または鞘部の少なくとも一つが前記芯部または鞘部内で系内生成、系内結晶化されたゼオライトを含み、芯部の平均粒度は30〜60ミクロンであり、鞘部の平均厚みが5〜30ミクロンであるむことを特徴とする流動化可能な接触分解触媒。 - 前記芯部がゼオライト触媒とマトリックスを含み、前記触媒の40〜20,000オングストローム直径の範囲の空孔に対するHg空隙体積が0.30gm/ccより大きい請求項6に記載の流動化可能な接触分解触媒。
- 前記活性な鞘部が金属類不動態化機能を有するアルミナを含む請求項6または7に記載の流動化可能な接触分解触媒。
- 前記外側の鞘部がゼオライトとマトリックスとを含む請求項6〜8のいずれか一項に記載の流動化可能な接触分解触媒。
- 流動化接触触媒分解条件下で、炭化水素供給原料を、請求項1〜9のいずれか一項に記載の流動化接触分解触媒に接触させることを特徴とする接触分解方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/765,784 US8278235B2 (en) | 2007-06-20 | 2007-06-20 | Structurally enhanced cracking catalysts |
| US11/765,784 | 2007-06-20 | ||
| PCT/US2008/066637 WO2008157199A2 (en) | 2007-06-20 | 2008-06-12 | Structurally enhanced cracking catalysts |
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| Publication Number | Publication Date |
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| JP2010530307A JP2010530307A (ja) | 2010-09-09 |
| JP2010530307A5 JP2010530307A5 (ja) | 2011-07-21 |
| JP5336480B2 true JP5336480B2 (ja) | 2013-11-06 |
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| Country | Link |
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| US (1) | US8278235B2 (ja) |
| EP (1) | EP2162509A2 (ja) |
| JP (1) | JP5336480B2 (ja) |
| KR (1) | KR101505223B1 (ja) |
| CN (2) | CN101784641A (ja) |
| BR (1) | BRPI0812723A2 (ja) |
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| WO (1) | WO2008157199A2 (ja) |
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| US20130131412A1 (en) * | 2011-11-18 | 2013-05-23 | Uop Llc | Resid catalytic cracker and catalyst for increased propylene yield |
| US20140148632A1 (en) * | 2011-11-18 | 2014-05-29 | Uop Llc | Resid catalytic cracker and catalyst for increased propylene yield |
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| US20150174559A1 (en) * | 2013-12-19 | 2015-06-25 | Basf Corporation | Phosphorus-Modified FCC Catalysts |
| US9895680B2 (en) * | 2013-12-19 | 2018-02-20 | Basf Corporation | FCC catalyst compositions containing boron oxide |
| US9796932B2 (en) | 2013-12-19 | 2017-10-24 | Basf Corporation | FCC catalyst compositions containing boron oxide and phosphorus |
| IN2015DE00254A (ja) * | 2014-01-31 | 2015-08-07 | Uop Llc | |
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| CN114390947A (zh) * | 2019-07-10 | 2022-04-22 | 格雷斯公司 | 用于提高烯烃产率的流化裂化方法和用于其的催化剂组合物 |
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| CN116986597B (zh) * | 2022-04-26 | 2025-10-14 | 新特能源股份有限公司 | 一种聚氯硅氧烷催化裂解制备氯硅烷的方法 |
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2007
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- 2008-06-12 BR BRPI0812723-9A2A patent/BRPI0812723A2/pt not_active Application Discontinuation
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| Publication number | Publication date |
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| US20080314798A1 (en) | 2008-12-25 |
| CA2691074C (en) | 2016-05-24 |
| WO2008157199A3 (en) | 2009-10-15 |
| JP2010530307A (ja) | 2010-09-09 |
| WO2008157199A2 (en) | 2008-12-24 |
| CA2691074A1 (en) | 2008-12-24 |
| US8278235B2 (en) | 2012-10-02 |
| KR101505223B1 (ko) | 2015-03-23 |
| KR20100040724A (ko) | 2010-04-20 |
| EP2162509A2 (en) | 2010-03-17 |
| CN105214713A (zh) | 2016-01-06 |
| WO2008157199A4 (en) | 2010-01-07 |
| CN101784641A (zh) | 2010-07-21 |
| BRPI0812723A2 (pt) | 2014-12-30 |
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