JP6860675B2 - 流体接触分解プロセスにおける汚染物質の改良された除去のためのプロセスおよび装置 - Google Patents
流体接触分解プロセスにおける汚染物質の改良された除去のためのプロセスおよび装置 Download PDFInfo
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- JP6860675B2 JP6860675B2 JP2019536473A JP2019536473A JP6860675B2 JP 6860675 B2 JP6860675 B2 JP 6860675B2 JP 2019536473 A JP2019536473 A JP 2019536473A JP 2019536473 A JP2019536473 A JP 2019536473A JP 6860675 B2 JP6860675 B2 JP 6860675B2
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00796—Details of the reactor or of the particulate material
- B01J2208/00991—Disengagement zone in fluidised-bed reactors
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/70—Catalyst aspects
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Description
ることができる。
Claims (17)
- 炭化水素を分解するシステムであって、
分解触媒を炭化水素原料と接触させて、炭化水素原料の少なくとも一部をより軽質の炭化水素に転化する第1リアクター;
使用済み分解触媒からより軽質の炭化水素を分離するセパレーター;
分離された使用済み分解触媒をセパレーターから触媒リジェネレーターに供給する供給ライン;
使用済み分解触媒の一部を触媒リジェネレーターから汚染物質除去ベッセルに移送する触媒移送ライン;
分解触媒よりも平均粒子サイズおよび/または密度が大きい汚染物質捕捉添加剤と、使用済み触媒とを接触させる汚染物質除去ベッセル;
汚染物質除去ベッセルからの塔頂流を、分解触媒およびリフティング・ガスを含む第1ストリームと汚染物質捕捉添加剤を含む第2ストリームとに分離する第2セパレーター;
第2セパレーターにおいて回収された汚染物質捕捉添加剤を汚染物質除去ベッセルに移送するリサイクル・ライン;
汚染物質除去ベッセルから汚染物質捕捉添加剤を回収する塔底生成物ライン;ならびに
第1ストリームを触媒リジェネレーターに移送するライン
を含む、システム。 - 第2セパレーターが汚染物質除去ベッセルの内部にある、請求項1に記載のシステム。
- 汚染物質捕捉添加剤を流動化し、かつ汚染物質捕捉添加剤および触媒を第2セパレーターに持ち越すのに十分な供給速度でリフティング・ガスを供給するように構成されているリフティング・ガス供給システムを更に含む、請求項1に記載のシステム。
- 第2セパレーターが、塔頂流から汚染物質捕捉添加剤を分離する粒子セパレーターを含み、第2セパレーターは、
リフティング・ガス、汚染物質捕捉添加剤および分解触媒を含む塔頂流を導入する入口;
入口から塔頂流を受け取るチャンバであって、チャンバは、リフティング・ガスおよび分解触媒から汚染物質捕捉添加剤の少なくとも一部を分離するように構成されている、チャンバ;
汚染物質捕捉添加剤を回収する第1の出口;
リフティング・ガスおよび分解触媒を回収する第2の出口;ならびに
第1の出口の内部または近傍に配置された、流動化ガスを導入するディストリビューターであって、第1の粒子種を第2の粒子種から追加的に分離するのを容易にする、ディストリビューター
を含む、請求項1に記載のシステム。 - チャンバまたはその一部の断面積が調節可能である、請求項4に記載のシステム。
- チャンバの1以上のセクションの内部に配置された可動バッフルを更に含む、請求項4に記載のシステム。
- 触媒から汚染物質を除去するプロセスであって、
汚染物質を含む触媒を汚染物質除去ベッセルに供給すること;
汚染物質捕捉添加剤を汚染物質除去ベッセルに供給することであって、汚染物質捕捉添加剤は、触媒の平均粒子サイズより大きい平均粒子サイズおよび/または触媒より大きい密度を有する、こと;
触媒および汚染物質捕捉添加剤をリフティング・ガスで流動化し、触媒を汚染物質捕捉添加剤と接触させ、汚染物質を触媒から汚染物質捕捉添加剤へと移動させること;
リフティング・ガス、汚染物質捕捉添加剤、および汚染物質の量が低減した触媒を含む第1ストリームを汚染物質除去ベッセルから取り出すこと;
汚染物質捕捉添加剤を第1ストリームから分離し、汚染物質捕捉添加剤を含むリサイクル・ストリームと、リフティング・ガスおよび汚染物質の量が低減した触媒を含む触媒生成物ストリームとを生成すること;
リサイクル・ストリーム中の汚染物質捕捉添加剤を汚染物質除去ベッセルに戻すこと;ならびに
汚染物質除去ベッセルから汚染物質捕捉添加剤を含む第2ストリームを取り出すこと
を含む、プロセス。 - 汚染物質が、鉄、カルシウム、ニッケル、バナジウム、硫黄、カリウムおよびリンの1種以上を含む、請求項7に記載のプロセス。
- バブリング床、乱流床または高速流動化フロー方式において作動する流速でリフティング・ガスを汚染物質除去ベッセルに供給することを更に含む、請求項7に記載のプロセス。
- 触媒から汚染物質を再生し除去する方法であって、
汚染物質を含む触媒を汚染物質除去ベッセルに供給すること;
汚染物質捕捉添加剤を汚染物質除去ベッセルに供給することであって、汚染物質捕捉添加剤は、触媒より大きい平均粒子サイズおよび/または触媒より大きい密度を有する、こと;
触媒および汚染物質捕捉添加剤をリフティング・ガスで流動化し、触媒を汚染物質捕捉添加剤と接触させ、汚染物質を触媒から汚染物質捕捉添加剤へと移動させること;
リフティング・ガス、汚染物質捕捉添加剤、および汚染物質の量が低減した触媒を含む第1ストリームを汚染物質除去ベッセルから取り出すこと;
汚染物質捕捉添加剤を第1ストリームから分離し、汚染物質捕捉添加剤を含むリサイクル・ストリームと、リフティング・ガスおよび汚染物質の量が低減した触媒を含む触媒生成物ストリームとを生成すること;
リサイクル・ストリーム中の汚染物質捕捉添加剤を汚染物質除去ベッセルに戻すこと;
汚染物質除去ベッセルから汚染物質捕捉添加剤を含む第2ストリームを取り出すこと;
触媒生成物ストリームを触媒リジェネレーターに供給すること;ならびに
リフティング・ガスから触媒を分離し、触媒リジェネレーターにおいて触媒を再生すること
を含む、方法。 - 汚染物質が、鉄、カルシウム、ニッケル、バナジウム、硫黄、カリウムおよびリンの1種以上を含む、請求項10に記載の方法。
- バブリング床、乱流床または高速流動化フロー方式において作動する流速でリフティング・ガスを汚染物質除去ベッセルに供給することを更に含む、請求項10に記載の方法。
- 触媒添加ラインを介して未使用の触媒を触媒リジェネレーターに供給し、使用済み触媒取り出しラインを介して使用済み触媒を触媒リジェネレーターから取り出すことを更に含む、請求項10に記載の方法。
- リフティング・ガスが、蒸気、空気、酸素、窒素またはこれらの混合物を含む、請求項10に記載の方法。
- 炭化水素を分解するプロセスであって、
ライザー・リアクターにおいて分解触媒を炭化水素原料と接触させて、炭化水素原料中の炭化水素をより軽質の炭化水素に転化することであって、炭化水素原料は、鉄、カルシウムおよびリンからなる群から選択される1種以上の汚染物質を更に含む、こと;
炭化水素および汚染された分解触媒を含む流出液をライザー・リアクターから回収すること;
流出液中の汚染された分解触媒から炭化水素を分離して、炭化水素生成物ストリームと、汚染された分解触媒を含む固形分ストリームとを回収すること;
固形分ストリーム中の汚染された分解触媒を触媒再生ベッセルに移送すること;
汚染された分解触媒の一部を触媒再生ベッセルから取り出し、取り出した部分を汚染物質除去ベッセルに供給すること;
汚染物質捕捉添加剤を汚染物質除去ベッセルに供給することであって、汚染物質捕捉添加剤は、分解触媒より大きい平均粒子サイズおよび/または分解触媒より大きい密度を有する、こと;
分解触媒および汚染物質捕捉添加剤をリフティング・ガスで流動化し、触媒を汚染物質捕捉添加剤と接触させ、汚染物質を触媒から汚染物質捕捉添加剤へと移動させること;
リフティング・ガス、汚染物質捕捉添加剤および汚染物質の量が低減した分解触媒を汚染物質除去ベッセルから取り出すこと;
汚染物質除去ベッセルからの塔頂流から汚染物質捕捉添加剤を分離し、汚染物質捕捉添加剤を含むリサイクル・ストリームと、リフティング・ガスおよび汚染物質の量が低減した分解触媒を含む触媒生成物ストリームとを生成すること;
リサイクル・ストリーム中の汚染物質捕捉添加剤を汚染物質除去ベッセルに戻すこと;
汚染物質捕捉添加剤を含む塔底流を汚染物質除去ベッセルから取り出すこと;
触媒生成物ストリームを触媒再生ベッセルに供給すること;ならびに
触媒をリフティング・ガスから分離し、触媒リジェネレーターにおいて触媒を再生すること
を含む、プロセス。 - 分解触媒が20ミクロン〜200ミクロンの範囲の平均粒子サイズおよび0.6g/cc〜1.1g/ccの範囲の密度を有する、請求項15に記載のプロセス。
- 汚染物質捕捉添加剤が20ミクロン〜350ミクロンの範囲の平均粒子サイズおよび0.7g/cc〜1.2g/ccの範囲の密度を有する、請求項16に記載のプロセス。
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PCT/US2017/051736 WO2018053239A1 (en) | 2016-09-16 | 2017-09-15 | Process and apparatus for enhanced removal of contaminants in fluid catalytic cracking processes |
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US12043801B2 (en) * | 2021-06-30 | 2024-07-23 | E2 Technologies, Llc | Apparatus and processes for pyrolysis of plastic feeds |
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BR112019005282A2 (pt) | 2019-06-04 |
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