JP2020528051A - オレフィン製造のための一体化された熱分解・脱水素プロセス - Google Patents
オレフィン製造のための一体化された熱分解・脱水素プロセス Download PDFInfo
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Abstract
Description
Claims (24)
- オレフィン及び/又はジエンを製造するプロセスであって、
C1〜C4炭化水素含有フィードを熱分解して、オレフィン及びパラフィンの混合物を含有する分解炭化水素エフルエントを生成する工程であって、上記炭化水素含有フィード中の炭化水素の転化率が約10モル%〜70モル%の範囲である工程と、
上記分解炭化水素エフルエントを脱水素して、追加のオレフィン及び/又はジエンを含有する脱水素炭化水素エフルエントを生成する工程と
を含むプロセス。 - 上記分解炭化水素エフルエントは上記脱水素工程前に分離されない、請求項1に記載のプロセス。
- 1種以上のC1〜C4炭化水素を含有する炭化水素フィードとの直接熱交換により、上記分解炭化水素エフルエントを冷却することをさらに含む請求項1に記載のプロセス。
- 上記熱分解は熱分解反応器又は熱交換器のいずれかで実施され、上記熱分解反応器又は熱交換器から回収された上記分解炭化水素エフルエントは約550℃〜約725℃の範囲の温度である、請求項1に記載のプロセス。
- 上記分解炭化水素エフルエントを脱水素する前に上記分解炭化水素エフルエントを約500℃〜約650℃の範囲の温度まで冷却することをさらに含む請求項4に記載のプロセス。
- 上記脱水素エフルエントを、水素留分、メタン留分、C2留分、エチレン留分、エタン留分、C3留分、プロピレン留分、プロパン留分、C4留分、ブタジエン留分、ブテン留分、ブタン留分、及びC5+含有留分から選択される1つ以上の留分に分離することをさらに含む請求項1に記載のプロセス。
- 上記フィードはn−ブタンを含有し、上記プロセスは、上記熱分解工程を約40モル%〜60モル%の範囲の転化率に制御することをさらに含む、請求項1に記載のプロセス。
- 上記フィードはプロパンを含有し、上記プロセスは、上記熱分解工程を約25モル%〜40モル%の範囲の転化率に制御することをさらに含む、請求項1に記載のプロセス。
- 蒸気、二酸化炭素及び/又は窒素を上記C1〜C4炭化水素含有フィードと混合して希釈フィード混合物を形成することをさらに含む請求項1に記載のプロセス。
- 上記希釈フィード混合物の希釈剤/炭化水素比は、重量で約0.04〜0.2の範囲である、請求項9に記載のプロセス。
- 上記脱水素工程よりも高い圧力で上記熱分解工程を実施することをさらに含む請求項1に記載のプロセス。
- 上記脱水素工程のフィード入口温度よりも高いコイル出口温度で上記熱分解工程を実施することをさらに含む請求項1に記載のプロセス。
- 上記C1〜C4炭化水素含有フィードはイソブタンを含有し、上記プロセスは、上記イソブタンを位置異性化してn−ブタンを形成することをさらに含む、請求項1に記載のプロセス。
- 上記C1〜C4炭化水素含有フィードはイソブタンを含有し、上記プロセスは、上記脱水素炭化水素エフルエント中のイソブテンを位置異性化してn−ブテンを形成することをさらに含む、請求項1に記載のプロセス。
- オレフィン及び/又はジエンを製造するシステムであって、
C1〜C4炭化水素含有フィードを熱分解して、オレフィン及びパラフィンの混合物を含有する分解炭化水素エフルエントを生成するための反応ゾーンと、
上記分解炭化水素エフルエントを脱水素して、追加のオレフィン及び/又はジエンを含有する脱水素炭化水素エフルエントを生成するための脱水素反応ゾーンと、
上記分解炭化水素エフルエントを成分分離せずに上記脱水素反応ゾーンに移すためのフィードラインと
を有するシステム。 - 1種以上のC1〜C4炭化水素を含有する炭化水素フィードを上記分解炭化水素エフルエントと混合するためのフィードラインをさらに有する請求項15に記載のシステム。
- 上記熱分解反応ゾーンは熱分解反応器又は熱交換器を有する、請求項15に記載のシステム。
- 上記C1〜C4炭化水素含有フィードを蒸気、二酸化炭素又は窒素のうち1つ以上と混合するためのフィードラインをさらに有する請求項15に記載のシステム。
- 上記熱分解反応ゾーンの上流又は上記脱水素反応ゾーンの下流に配置された位置異性化反応器をさらに有する請求項15に記載のシステム。
- オレフィン及び/又はジエンを製造するプロセスであって、
1種以上のC1〜C4炭化水素を含有する炭化水素フィードストックを熱分解反応器の対流ゾーンで加熱して加熱炭化水素混合物を形成する工程と、
上記加熱炭化水素混合物を蒸気と混合して、0.04〜0.2の範囲の蒸気/炭化水素比を有する混合フィードストックを形成する工程と、
上記熱分解反応器の上記対流ゾーンで上記混合フィードストックを加熱する工程と、
上記熱分解反応器の放射ゾーンで上記混合フィードストックを反応させて、上記C1〜C4炭化水素の一部を転化して、オレフィン及びパラフィンの混合物を含有する分解炭化水素エフルエントを生成する工程と、
上記分解炭化水素エフルエント全体を、上記分解炭化水素エフルエントを脱水素するための脱水素反応ゾーンに供給して、追加のオレフィン及び/又はジエンを含有する脱水素炭化水素エフルエントを生成する工程と、
上記脱水素炭化水素エフルエントを分離して、水素留分、メタン留分、C2留分、エチレン留分、エタン留分、C3留分、プロピレン留分、プロパン留分、C4留分、ブタジエン留分、ブテン留分、ブタン留分、及びC5+含有留分から選択される1つ以上の留分を回収する工程と
を含むプロセス。 - 上記フィードはn−ブタンを含有し、上記方法は、上記熱分解工程を約40モル%〜60モル%の範囲の転化率に制御することをさらに含む、請求項20に記載のプロセス。
- 上記フィードはプロパンを含有し、上記プロセスは、上記熱分解工程を約25モル%〜40モル%の範囲の転化率に制御することをさらに含む、請求項20に記載のプロセス。
- 上記熱分解反応器からの上記分解炭化水素エフルエントのコイル出口温度を約660℃〜約725℃の範囲の温度に制御することをさらに含む請求項20に記載のプロセス。
- 1種以上のC1〜C4炭化水素を含有する炭化水素フィードとの直接熱交換により、上記分解炭化水素エフルエントを脱水素する前に上記分解炭化水素エフルエントを約550℃〜約650℃の範囲の温度まで冷却することをさらに含む請求項23に記載のプロセス。
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WO2019018563A2 (en) | 2019-01-24 |
US20190023998A1 (en) | 2019-01-24 |
US20200325405A1 (en) | 2020-10-15 |
BR112020000692A2 (pt) | 2020-07-14 |
KR20200014439A (ko) | 2020-02-10 |
KR102385518B1 (ko) | 2022-04-11 |
US20220098496A1 (en) | 2022-03-31 |
JP7032512B2 (ja) | 2022-03-08 |
MX2020000608A (es) | 2020-09-10 |
CN110997878A (zh) | 2020-04-10 |
WO2019018563A3 (en) | 2019-04-11 |
ZA202000142B (en) | 2021-01-27 |
SG11201913282VA (en) | 2020-02-27 |
CL2020000160A1 (es) | 2020-10-09 |
SA520411059B1 (ar) | 2023-01-17 |
US10696908B2 (en) | 2020-06-30 |
PH12020500108A1 (en) | 2020-09-14 |
EP3655506A4 (en) | 2021-04-07 |
US11155759B2 (en) | 2021-10-26 |
MY195700A (en) | 2023-02-06 |
EP3655506A2 (en) | 2020-05-27 |
EA202090153A1 (ru) | 2020-05-06 |
CA3070564A1 (en) | 2019-01-24 |
BR112020000692B1 (pt) | 2023-03-14 |
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