JPH035369B2 - - Google Patents
Info
- Publication number
- JPH035369B2 JPH035369B2 JP60131625A JP13162585A JPH035369B2 JP H035369 B2 JPH035369 B2 JP H035369B2 JP 60131625 A JP60131625 A JP 60131625A JP 13162585 A JP13162585 A JP 13162585A JP H035369 B2 JPH035369 B2 JP H035369B2
- Authority
- JP
- Japan
- Prior art keywords
- propylene
- fraction
- feedstock
- recovering
- propane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 17
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 17
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000001294 propane Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims 3
- IYABWNGZIDDRAK-UHFFFAOYSA-N allene Chemical compound C=C=C IYABWNGZIDDRAK-UHFFFAOYSA-N 0.000 claims 2
- 229930195733 hydrocarbon Natural products 0.000 claims 2
- 150000002430 hydrocarbons Chemical class 0.000 claims 2
- 229920000642 polymer Polymers 0.000 claims 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 claims 1
- 239000001273 butane Substances 0.000 claims 1
- 238000004821 distillation Methods 0.000 claims 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims 1
- NAHDKUILRATFAH-UHFFFAOYSA-N prop-1-yne Chemical compound CC#C.CC#C NAHDKUILRATFAH-UHFFFAOYSA-N 0.000 claims 1
- MWWATHDPGQKSAR-UHFFFAOYSA-N propyne Chemical group CC#C MWWATHDPGQKSAR-UHFFFAOYSA-N 0.000 claims 1
- 230000008016 vaporization Effects 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C11/00—Aliphatic unsaturated hydrocarbons
- C07C11/02—Alkenes
- C07C11/06—Propene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、化学等級およびポリマー等級プロ
ピレンの製造方法に関し、具体的には、プロピレ
ンを含有している供給原料を蒸留して、前記２つ
の等級のプロピレンを製造する方法に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention This invention relates to a process for producing chemical grade and polymeric grade propylene, and specifically involves distilling a feedstock containing propylene to The present invention relates to a method for producing grade propylene.
（従来の技術）
プロピレンは、プロパン供給原料の脱水素反応
を一般的に伴う種々の技法によつて調製される。
プロパンからのプロピレンの製造に適している触
媒方法では、エアー、プロダクツ、アンド、ケミ
カルス社のホウドライ事業部（the Houdry di−
vision of Air Products and Chemicals，Inc.）
が登録商標カトフイン（Catofin〓佻疹ι献〓肇侫ぅ鵝
〓〓達瓧遙錚罍蕋〓叩〓BACKGROUND OF THE INVENTION Propylene is prepared by a variety of techniques that generally involve the dehydrogenation of a propane feedstock.
A suitable catalytic method for the production of propylene from propane is the Houdry division of Air, Products, & Chemicals.
vision of Air Products and Chemicals, Inc.)
The registered trademark is Catofin.
Claims (1)
35乃至55モル％のプロピレン含有し純度が92乃至
96モル％である切期プロピレン留分をオーバーヘ
ツド留分として回収し、かつ、該供給原料の残余
で構成されている底部留分を回収する工程と、 前記底部留分をプロピレンを気化させるための
条件下で蒸留し、約99乃至99.8モル％の濃度のプ
ロピレンで主として構成されているオーバーヘツ
ド留分を回収し、かつ、プロパン、プロバジエ
ン、メチルアセチレンおよび前記C4 +炭化水素か
ら成る底部留分を回収する工程とから成り、プロ
パンの脱水素反応によつて得られる前記供給原料
から２つの等級のプロピレンを製造することを特
徴とする化学等級およびポリマー等級プロピレン
の製造方法。 ２ 前記初期プロピレン留分は、その濃度が93乃
至95モル％であることを特徴とする特許請求の範
囲第１項記載の化学等級およびポリマー等級プロ
ピレンの製造方法。 ３ 前記初期プロピレン留分は、前記供給原料内
における40乃至45モル％のプロピレンから初期プ
ロピレン留分として回収されることを特徴とする
特許請求の範囲第２項記載の化学等級およびポリ
マー等級プロピレンの製造方法。[Scope of Claims] 1. The feedstock contains the following components: mol% Ethane 0-2 Propylene 35-60 Propane 33-58 C4 + hydrocarbons (butane, pentane, etc.) 0-5 Methylacetylene (propyne) 75 ~150ppm propadiene; charging said feedstock to a distillation column; distilling said feedstock;
Contains 35 to 55 mole% propylene and has a purity of 92 to 55%.
recovering a cut-off propylene fraction of 96 mole % as an overhead fraction and recovering a bottoms fraction consisting of the remainder of the feedstock; and vaporizing said bottoms fraction to propylene. conditions, recovering an overhead fraction consisting primarily of propylene at a concentration of about 99 to 99.8 mol%, and recovering a bottom fraction consisting of propane, propadiene, methylacetylene and the C 4 + hydrocarbons. A process for producing chemical grade and polymer grade propylene, characterized in that two grades of propylene are produced from said feedstock obtained by dehydrogenation of propane. 2. The method for producing chemical grade and polymer grade propylene according to claim 1, wherein the initial propylene fraction has a concentration of 93 to 95 mol%. 3. The initial propylene fraction is recovered as an initial propylene fraction from 40 to 45 mole percent propylene in the feedstock. Production method.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62157684A | 1984-06-18 | 1984-06-18 | |
| US621576 | 1984-06-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6112634A JPS6112634A (en) | 1986-01-21 |
| JPH035369B2 true JPH035369B2 (en) | 1991-01-25 |
Family
ID=24490730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60131625A Granted JPS6112634A (en) | 1984-06-18 | 1985-06-17 | Manufacture of chemical grade and polymer grade propylene |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS6112634A (en) |
| AU (1) | AU555631B2 (en) |
| DE (1) | DE3521458A1 (en) |
| GB (1) | GB2160543B (en) |
| NO (1) | NO163690C (en) |
| ZA (1) | ZA854559B (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19506901A1 (en) * | 1995-02-28 | 1996-08-29 | Hoechst Ag | Process for cleaning unreacted propylene in the manufacture of polypropylene |
| CA2241573A1 (en) * | 1997-06-26 | 1998-12-26 | Hiroshi Nishikawa | Process for propylene polymerization |
| DE10131297A1 (en) | 2001-06-29 | 2003-01-09 | Basf Ag | Production of partial (ammo)oxidation products of an olefinic hydrocarbon, useful for acrolein/acrylic acid from propane, comprises intermittent supplementation of olefin from another source. |
| US6730142B2 (en) * | 2002-03-19 | 2004-05-04 | Exxonmobil Research And Engineering Company | Separation of propylene from hydrocarbon mixtures |
| US7326802B2 (en) | 2002-09-27 | 2008-02-05 | Basf Aktiengesellschaft | Preparation of at least one partial oxidation and/or ammoxidation product of propylene |
| JP4736392B2 (en) * | 2004-10-14 | 2011-07-27 | 三菱化学株式会社 | Method for producing aldehyde |
| US7601866B2 (en) | 2005-03-01 | 2009-10-13 | Basf Aktiengesellschaft | Process for removing methacrolein from liquid phase comprising acrylic acid as a main constituent and target product, and methacrolein as a secondary component |
| US7705181B2 (en) | 2005-03-01 | 2010-04-27 | Basf Akiengesellschaft | Process for removing methacrylic acid from liquid phase comprising acrylic acid as a main constituent and target product, and methacrylic acid as a secondary component |
| DE102005010586A1 (en) * | 2005-03-08 | 2006-09-14 | Basf Ag | Process for the preparation of propene from propane |
| DE102005062026A1 (en) | 2005-12-22 | 2007-06-28 | Basf Ag | Catalytic partial gas phase oxidation of propylene to acrylic acid comprises introducing propylene, oxygen and inert dilution gas into first reaction zone, adding secondary gas and introducing the mixture into second reaction stage |
| DE102005062010A1 (en) | 2005-12-22 | 2007-06-28 | Basf Ag | Heterogeneously catalyzed partial gas phase oxidation of propylene to acrylic acid comprises introducing a reaction gas mixture into a reaction zone, and transferring the product gas mixture into a condensed phase and a separation zone |
| DE102006049939A1 (en) | 2006-10-19 | 2008-04-24 | Basf Ag | Separating acrylic acid from a gas-phase oxidation product gas comprises separating acrylic acid from benzoic acid by crystallization |
| EP2266674A1 (en) * | 2009-06-22 | 2010-12-29 | Basf Se | Method for separating material using distillation of one or more feed mixtures in a column with one or more continuous partition walls |
| DE102010042216A1 (en) | 2010-10-08 | 2011-06-09 | Basf Se | Process for inhibiting the undesired radical polymerization of acrylic acid present in a liquid phase P. |
| DE102011110003A1 (en) * | 2011-08-11 | 2013-02-14 | Linde Aktiengesellschaft | Separation sequence for hydrocarbons from mild thermal cleavage |
| KR102893876B1 (en) | 2018-07-26 | 2025-12-03 | 바스프 에스이 | Method for suppressing unwanted radical polymerization of acrylic acid present in liquid P |
| US20230132285A1 (en) | 2020-03-26 | 2023-04-27 | Basf Se | Process for inhibiting the undesired free-radical polymerization of acrylic acid present in a liquid phase p |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2371860A (en) * | 1943-12-16 | 1945-03-20 | Phillips Petroleum Co | Separation of methylacetylene from c4 hydrocarbons |
| US3002358A (en) * | 1960-08-01 | 1961-10-03 | Shell Oil Co | Propylene distillation |
-
1985
- 1985-06-06 NO NO852291A patent/NO163690C/en unknown
- 1985-06-11 AU AU43462/85A patent/AU555631B2/en not_active Ceased
- 1985-06-14 GB GB08515090A patent/GB2160543B/en not_active Expired
- 1985-06-14 DE DE19853521458 patent/DE3521458A1/en active Granted
- 1985-06-17 JP JP60131625A patent/JPS6112634A/en active Granted
- 1985-06-17 ZA ZA854559A patent/ZA854559B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU555631B2 (en) | 1986-10-02 |
| GB2160543A (en) | 1985-12-24 |
| NO163690C (en) | 1990-07-04 |
| GB8515090D0 (en) | 1985-07-17 |
| NO163690B (en) | 1990-03-26 |
| ZA854559B (en) | 1987-02-25 |
| GB2160543B (en) | 1987-10-14 |
| NO852291L (en) | 1985-12-19 |
| DE3521458A1 (en) | 1985-12-19 |
| JPS6112634A (en) | 1986-01-21 |
| AU4346285A (en) | 1986-01-02 |
| DE3521458C2 (en) | 1987-08-06 |
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