JP2021512972A - ポリマー反応器制御のための遠隔圧力検知 - Google Patents
ポリマー反応器制御のための遠隔圧力検知 Download PDFInfo
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- JP2021512972A JP2021512972A JP2020538071A JP2020538071A JP2021512972A JP 2021512972 A JP2021512972 A JP 2021512972A JP 2020538071 A JP2020538071 A JP 2020538071A JP 2020538071 A JP2020538071 A JP 2020538071A JP 2021512972 A JP2021512972 A JP 2021512972A
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Abstract
【選択図】図1
Description
本出願は、2018年1月31日の出願日を有する米国仮出願第62/624,321号に基づき、その優先権を主張するものであり、参照によりその全体が本明細書に組み込まれる。
本開示は、反応器システム制御のための方法に関する。より具体的には、本開示は、ポリマーの生成における流動床反応器の制御に関する。
Claims (15)
- 流動床反応器を制御するための方法であって、
反応器内に、モノマー及び触媒を含む流動床を形成して、ポリマー生成物を生成することと、
前記ポリマー生成物を前記反応器から生成物排出タンクに排出することと、
前記ポリマー生成物を前記生成物排出タンクからブロータンクに排出することと、
ブロータンク圧力を測定することと、
前記測定されたブロータンク圧力に基づいて、1つ以上の反応器動作入力を変更することと、を含む、流動床反応器を制御するための方法。 - ブロータンクピーク圧力を決定することと、前記ブロータンクピーク圧力を使用して、前記1つ以上の反応器動作入力を変更することと、を更に含む、請求項1に記載の流動床反応器を制御するための方法。
- 前記ポリマー生成物を前記生成物排出タンクから前記ブロータンクに2回以上排出することと、
前記ポリマー生成物が前記生成物排出タンクから前記ブロータンクに排出される度にブロータンク圧力を測定して、各々が、前記ブロータンクへの生成物の排出に対応する、複数のブロータンク圧力を決定することと、
前記複数のブロータンク圧力に基づいて、前記1つ以上の反応器動作入力を変更することと、を更に含む、請求項1に記載の流動床反応器を制御するための方法。 - 前記ブロータンク内への生成物の各排出について前記ピーク圧力を測定することと、
前記複数のブロータンクピーク圧力に基づいて、前記1つ以上の反応器動作入力を変更することと、を更に含む、請求項3に記載の流動床反応器を制御するための方法。 - 前記複数のブロータンクピークのうちの2つ以上を平均化して、平均ブロータンクピーク圧力を得ることと、
前記平均ブロータンクピーク圧力に基づいて、前記1つ以上の反応器動作入力を変更することと、を更に含む、請求項4に記載の流動床反応器を制御するための方法。 - 前記平均ブロータンクピーク圧力が、より最近の測定値を強調する加重平均である、請求項5に記載の流動床反応器を制御するための方法。
- 生成物が前記ブロータンク内に排出される度に、ブロータンク圧力プロファイルを作成することと、
前記ブロータンク圧力プロファイルを使用して、前記1つ以上の反応器動作入力を変更することと、を更に含む、請求項1に記載の流動床反応器を制御するための方法。 - 複数のブロータンク圧力プロファイルが、前記1つ以上の反応器動作入力を変更するために使用される、請求項7に記載の流動床反応器を制御するための方法。
- 前記1つ以上の反応器動作入力が、前記反応器内の湿潤ゾーン又は流動床浸透を制御するように変更される、請求項1に記載の流動床反応器を制御するための方法。
- 反応器動作入力が、リサイクルガス流量、リサイクルガス冷却、床温度設定点、モノマー原料の追加、流動媒体の追加、流動媒体の除去、前記生成物排出タンクへの生成物の排出、触媒/共触媒/プロ触媒の添加、触媒/共触媒/プロ触媒の除去、モノマー分圧、前記反応器に入る材料の相、及び前記反応器に入るガス/液体比率(又は重量パーセント凝縮)のうちの1つ以上を含む、請求項1に記載の流動床反応器を制御するための方法。
- 前記生成物を前記ブロータンクに排出する前に、前記生成物排出タンクから圧力を解放することを更に含む、請求項1に記載の流動床反応器を制御するための方法。
- 前記生成物排出タンクからの前記圧力が、前記反応器の低圧側(又は前記反応器の頂部)に解放される、請求項11に記載の流動床反応器を制御するための方法。
- 前記ポリマー生成物を前記生成物排出タンクから前記ブロータンクに排出する前に、前記生成物排出タンクを第1の基準圧力に変更することを更に含む、請求項1に記載の流動床反応器を制御するための方法。
- 前記ポリマー生成物を前記生成物排出タンクから前記ブロータンクに排出する前に、前記ブロータンクを第2の基準圧力に変更することを更に含む、請求項1に記載の流動床反応器を制御するための方法。
- 傾向(変化率及び/又は変化率の加速度など)が、前記複数のブロータンク圧力測定値から決定され、前記1つ以上の反応器動作入力を制御するために使用される、請求項3に記載の流動床反応器を制御するための方法。
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JP2004532287A (ja) * | 2001-02-05 | 2004-10-21 | ユニオン・カーバイド・ケミカルズ・アンド・プラスティックス・テクノロジー・コーポレイション | 液相豊富化およびベッド注入を伴う流動床において凝縮モードを用いるプロセス |
JP2007500279A (ja) * | 2003-05-30 | 2007-01-11 | ユニオン・カーバイド・ケミカルズ・アンド・プラスティックス・テクノロジー・コーポレイション | 気相重合およびその制御方法 |
JP2011514251A (ja) * | 2008-02-27 | 2011-05-06 | ユニオン カーバイド ケミカルズ アンド プラスティックス テクノロジー エルエルシー | 改善された原料効率方法およびプロセス |
Cited By (2)
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JP2023504909A (ja) * | 2019-12-09 | 2023-02-07 | ボレアリス・アクチェンゲゼルシャフト | ポリオレフィンを製造するためのシステムおよび気相反応器からの重合生成物の回収方法 |
JP7411090B2 (ja) | 2019-12-09 | 2024-01-10 | ボレアリス・アクチェンゲゼルシャフト | ポリオレフィンを製造するためのシステムおよび気相反応器からの重合生成物の回収方法 |
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KR102663624B1 (ko) | 2024-05-03 |
RU2020124634A (ru) | 2022-01-25 |
US20200406213A1 (en) | 2020-12-31 |
KR20200116091A (ko) | 2020-10-08 |
EP3746204A4 (en) | 2021-09-15 |
US11446623B2 (en) | 2022-09-20 |
CN111712312A (zh) | 2020-09-25 |
CA3088508A1 (en) | 2019-08-08 |
CN111712312B (zh) | 2022-07-26 |
JP7377205B2 (ja) | 2023-11-09 |
EP3746204A1 (en) | 2020-12-09 |
WO2019152105A1 (en) | 2019-08-08 |
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