JPH09505587A - アルキレンオキシドを調整する方法 - Google Patents
アルキレンオキシドを調整する方法Info
- Publication number
- JPH09505587A JPH09505587A JP7515102A JP51510295A JPH09505587A JP H09505587 A JPH09505587 A JP H09505587A JP 7515102 A JP7515102 A JP 7515102A JP 51510295 A JP51510295 A JP 51510295A JP H09505587 A JPH09505587 A JP H09505587A
- Authority
- JP
- Japan
- Prior art keywords
- hypochlorous acid
- solution
- reactor
- chlorine
- hocl
- 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.)
- Granted
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/04—Hypochlorous acid
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/04—Hypochlorous acid
- C01B11/06—Hypochlorites
- C01B11/064—Hypochlorites of alkaline-earth metals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/64—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by simultaneous introduction of -OH groups and halogens
- C07C29/66—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by simultaneous introduction of -OH groups and halogens by addition of hypohalogenous acids, which may be formed in situ, to carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/02—Synthesis of the oxirane ring
- C07D301/24—Synthesis of the oxirane ring by splitting off HAL—Y from compounds containing the radical HAL—C—C—OY
- C07D301/26—Y being hydrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/30—Micromixers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Epoxy Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.本発明は、以下の工程:即ち、 (a)金属塩化物水溶液中にある次亜塩素酸塩を基準として少なくとも80モル %の収率で次亜塩素酸を得るために十分にミクロ混合しながら、温度60℃未満 及びpH5.5未満で、塩素を金属次亜塩素酸塩溶液と接触させる工程; (b)次亜塩素酸の金属塩化物水溶液から次亜塩素酸の少なくとも一部を分離す る工程、その場合、次亜塩素酸の少なくとも30モル%が液相から次亜塩素酸と 一酸化二塩素とが平衡状態にある蒸気相中へと脱着されるように、前記溶液を5 00ミクロン未満の体積平均直径を有する液滴として蒸気流の中にスプレーする ; (c)残留液相を蒸留して、追加の次亜塩素酸と一酸化二塩素との蒸気を得る工 程; (d)低塩化物水中に次亜塩素酸及び一酸化二塩素を吸収して、低塩化物次亜塩 素酸水溶液を製造する工程;及び (e)反応器中において0.2重量%以下のHOCl濃度を保つのに十分な逆撹 拌する連続撹拌タンク反応器を用いる連続法で、低塩化物次亜塩素酸水溶液をオ レフィンと接触させて、対応するオレフィンクロロヒドリンを製造する工程 を組み合わせることを特徴とする、オレフィンクロロヒドリンを調製する連続方 法。 2.更に、以下の工程:すなわち、 (f)そのオレフィンクロロヒドリンを塩基と接触させて、対応するアルキレン オキシド及び塩溶液を製造する工程;及び (g)塩溶液からそのアルキレンオキシドを分離する工程 を含む請求項1記載の方法。 3.工程(f)における塩基がアルカリ金属水酸化物であり、更に該方法が、 工程(a)の前に、アルカリ土類金属の水酸化物又は酸化物を塩素と接触させて アルカリ土類金属次亜塩素酸塩溶液を作る工程を含む請求項2記載の方法。 4.アルカリ土類金属の水酸化物又は酸化物が水酸化カルシウム又は酸化カル シウムであり、アルカリ土類次亜塩素酸塩溶液を温度10℃−60℃で工程(a )へと供給する請求項1,2又は3記載の方法。 5.その塩素を、工程(a)で用いられる次亜塩素酸塩を作るために、又は工 程(a)、工程(b)、工程(c)あるいはそれらの組み合わせへと再循環させ る請求項1,2又は3記載の方法。 6.羽根車、バッフル又はそれらの組み合わせを用いることによって剪断作用 が得られる逆混合反応器において、工程(a)におけるミクロ混合を達成する請 求項1,2,3,4又は5記載の方法。 7.工程(b)の液滴が、25−200マイクロメーターの体積平均直径を有 する請求項1,2,3,4,5又は6記載の方法。 8.工程(b)において、液滴を、単一相液体スプレーノズルである噴霧化手 段によって製造する請求項7記載の方法。 9.工程(b)において、液滴を、二相液体スプレーノズルである噴霧化手段 によって製造する請求項7記載の方法。 10.低塩化物次亜塩素酸水溶液が、3−7重量%の次亜塩素酸濃度を有する 請求項1,2,3,4,5,6.7,8又は9記載の方法。 11.溶液が、塩化物イオンを重量基準で200ppm未満含む請求項10記載 の方法。 12.オレフィンを、プロピレン、1−ブテン、3−クロロプロペン、エチレ ン、及びそれらの混合物から選択する請求項1,2,3,4,5,6.7,8, 9,10又は11記載の方法。 13.工程(e)は、1atm(101.3kPa)を超える圧力、30分未満の反 応時間、HOCl供給濃度が7重量%未満、及び内部ガス循環が存在していて、 少なくとも約60℃の温度で行われる請求項1,2,3,4,5,6.7,8, 9,10,11又は12記載の方法。 14.次亜塩素酸塩を基準として少なくとも80モル%の収率で生成物である 次亜塩素酸を得るために十分にミクロ混合しながら、温度60℃未満及びpH5 .5未満で、少なくとも1Mの次亜塩素酸塩濃度を有する金属次亜塩素酸塩の溶 液と塩素とを接触させる工程を特徴とする、次亜塩素酸を製造する方法。 15.塩素が液体である請求項14記載の方法。 16.次亜塩素酸の金属塩化物水溶液から次亜塩素酸の少なくとも一部を分離 する工程、その場合、次亜塩素酸の少なくとも30モル%が液相から蒸気相中へ と素早く脱着されて次亜塩素酸が次亜塩素酸と一酸化二塩素との蒸気相中に存在 するように、前記溶液を500ミクロン未満の体積平均直径を有する液滴として 蒸気流の中にスプレーすることを特徴とする次亜塩素酸を製造する方法。 17.反応器中において0.2重量%以下のHOCl濃度を保つのに十分な内 部ガス再循環及び逆撹拌を行いながら、少なくとも60℃の温度、1atm(10 1.3kPa)を超える圧力、30分未満の滞留時間、7重量%未満のHOCl供給 濃度で、連続撹拌タンク反応器において、低塩化物次亜塩素酸水溶液をオレフィ ンと接触させて、対応するオレフィンクロロヒドリンを作る工程を特徴とするオ レフィンクロロヒドリンを調製する連続方法。 18.溶液から出て溶液中へと戻るオレフィンの再循環が存在している請求項 17記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15650793A | 1993-11-23 | 1993-11-23 | |
US08/156,507 | 1993-11-23 | ||
PCT/US1994/013005 WO1995014635A1 (en) | 1993-11-23 | 1994-11-09 | Process for preparing alkylene oxides |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09505587A true JPH09505587A (ja) | 1997-06-03 |
JP3844492B2 JP3844492B2 (ja) | 2006-11-15 |
Family
ID=22559859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51510295A Expired - Fee Related JP3844492B2 (ja) | 1993-11-23 | 1994-11-09 | アルキレンオキシドを調整する方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US5532389A (ja) |
EP (1) | EP0730559B1 (ja) |
JP (1) | JP3844492B2 (ja) |
KR (1) | KR960705736A (ja) |
CN (1) | CN1134140A (ja) |
BR (1) | BR9408165A (ja) |
DE (1) | DE69405774T2 (ja) |
TW (1) | TW305831B (ja) |
WO (1) | WO1995014635A1 (ja) |
Cited By (4)
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JP2001335520A (ja) * | 2000-05-31 | 2001-12-04 | Asahi Glass Co Ltd | クロルヒドリンの製造方法 |
JP2008231073A (ja) * | 2007-03-23 | 2008-10-02 | Mitsubishi Chemicals Corp | ガラスライニング装置を用いる反応方法及び炭酸ジエステルの製造方法 |
JP2010536561A (ja) * | 2007-08-23 | 2010-12-02 | ダウ グローバル テクノロジーズ インコーポレイティド | 工業用ブラインの精製のための方法、適合化微生物、組成物及び装置 |
JP2016204175A (ja) * | 2015-04-16 | 2016-12-08 | 株式会社トクヤマ | 次亜塩素酸塩水溶液の製造方法 |
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1994
- 1994-09-09 US US08/303,852 patent/US5532389A/en not_active Expired - Lifetime
- 1994-11-09 JP JP51510295A patent/JP3844492B2/ja not_active Expired - Fee Related
- 1994-11-09 EP EP95904059A patent/EP0730559B1/en not_active Expired - Lifetime
- 1994-11-09 CN CN94193955A patent/CN1134140A/zh active Pending
- 1994-11-09 BR BR9408165A patent/BR9408165A/pt not_active IP Right Cessation
- 1994-11-09 KR KR1019960702782A patent/KR960705736A/ko not_active Application Discontinuation
- 1994-11-09 WO PCT/US1994/013005 patent/WO1995014635A1/en active IP Right Grant
- 1994-11-09 DE DE69405774T patent/DE69405774T2/de not_active Expired - Lifetime
-
1995
- 1995-05-13 TW TW084104764A patent/TW305831B/zh active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001335520A (ja) * | 2000-05-31 | 2001-12-04 | Asahi Glass Co Ltd | クロルヒドリンの製造方法 |
JP2008231073A (ja) * | 2007-03-23 | 2008-10-02 | Mitsubishi Chemicals Corp | ガラスライニング装置を用いる反応方法及び炭酸ジエステルの製造方法 |
JP2010536561A (ja) * | 2007-08-23 | 2010-12-02 | ダウ グローバル テクノロジーズ インコーポレイティド | 工業用ブラインの精製のための方法、適合化微生物、組成物及び装置 |
JP2016204175A (ja) * | 2015-04-16 | 2016-12-08 | 株式会社トクヤマ | 次亜塩素酸塩水溶液の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP0730559B1 (en) | 1997-09-17 |
BR9408165A (pt) | 1997-08-05 |
KR960705736A (ko) | 1996-11-08 |
CN1134140A (zh) | 1996-10-23 |
EP0730559A1 (en) | 1996-09-11 |
DE69405774T2 (de) | 1998-01-22 |
JP3844492B2 (ja) | 2006-11-15 |
DE69405774D1 (de) | 1997-10-23 |
US5532389A (en) | 1996-07-02 |
WO1995014635A1 (en) | 1995-06-01 |
TW305831B (ja) | 1997-05-21 |
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