JPH01192710A - Production of hydrogen peroxide - Google Patents
Production of hydrogen peroxideInfo
- Publication number
- JPH01192710A JPH01192710A JP1360088A JP1360088A JPH01192710A JP H01192710 A JPH01192710 A JP H01192710A JP 1360088 A JP1360088 A JP 1360088A JP 1360088 A JP1360088 A JP 1360088A JP H01192710 A JPH01192710 A JP H01192710A
- Authority
- JP
- Japan
- Prior art keywords
- hydrogen peroxide
- catalyst
- reaction
- fluorine
- solvent
- 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
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000003054 catalyst Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910001868 water Inorganic materials 0.000 claims abstract description 18
- 150000001875 compounds Chemical class 0.000 claims abstract description 17
- 239000002904 solvent Substances 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000012051 hydrophobic carrier Substances 0.000 claims abstract description 8
- 239000007791 liquid phase Substances 0.000 claims abstract description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 17
- 239000001257 hydrogen Substances 0.000 claims description 16
- 229910052739 hydrogen Inorganic materials 0.000 claims description 16
- 229910052760 oxygen Inorganic materials 0.000 claims description 16
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
- 229910052731 fluorine Inorganic materials 0.000 claims description 15
- 239000011737 fluorine Substances 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- 230000002209 hydrophobic effect Effects 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 25
- -1 polytetrafluoroethylene Polymers 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract description 3
- 229910052759 nickel Inorganic materials 0.000 abstract description 2
- 229910052763 palladium Inorganic materials 0.000 abstract description 2
- 229910052697 platinum Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 5
- 239000004809 Teflon Substances 0.000 description 4
- 229920006362 Teflon® Polymers 0.000 description 4
- 150000004056 anthraquinones Chemical class 0.000 description 4
- 239000008346 aqueous phase Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- QLOAVXSYZAJECW-UHFFFAOYSA-N methane;molecular fluorine Chemical compound C.FF QLOAVXSYZAJECW-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 229920000557 Nafion® Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000003421 catalytic decomposition reaction Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910001851 flerovium Inorganic materials 0.000 description 1
- 239000012052 hydrophilic carrier Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- RVZRBWKZFJCCIB-UHFFFAOYSA-N perfluorotributylamine Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)N(C(F)(F)C(F)(F)C(F)(F)C(F)(F)F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F RVZRBWKZFJCCIB-UHFFFAOYSA-N 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、溶媒中で触媒の存在下に、水素と酸素とを反
応せしめる、過酸化水素の製造法に関す従来の技術およ
び発明が解決しようとする課題現在工業的に実施されて
いる過酸化水素の主要な製造方法は、アントラキノン類
を媒体として酸化と還元とを継続的に行う方法である。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a method for producing hydrogen peroxide, which involves reacting hydrogen and oxygen in a solvent in the presence of a catalyst, and which solves the problems that the prior art and inventions have attempted to solve. The main method for producing hydrogen peroxide currently practiced industrially is a method in which oxidation and reduction are continuously carried out using anthraquinones as a medium.
この方法の欠点としては以下の点が挙げられる。The disadvantages of this method include the following points.
■ 還元、酸化、抽出等の多数の反応装置が必要である
。■ A large number of reactors for reduction, oxidation, extraction, etc. are required.
■ 多量のアントラキノン類の溶液を循環させる必要が
ある。■ It is necessary to circulate a large amount of anthraquinone solution.
■ アントラキノン類が分解して失われる。■ Anthraquinones are decomposed and lost.
従って水素と酸素とを直接反応せしめて効率よく過酸化
水素を製造することができれば、アントラキノン類を媒
体として使用する必要がなくなり、上記のような現行過
酸化水素製造法上の問題点もなくなる。Therefore, if hydrogen peroxide can be efficiently produced by directly reacting hydrogen and oxygen, there will be no need to use anthraquinones as a medium, and the above-mentioned problems with the current hydrogen peroxide production method will also be eliminated.
白金族触媒の存在下水素と酸素とから直接過酸化水素を
製造する方法についてはすでにいくつかの提案がある(
特開昭50−14539号、特開昭51−4097号、
特開昭51−124698号、特開昭52−10949
3号)、これらの提案は過酸化水素の蓄積速度、生成速
度の点から見て、工業的な掻集に耐えうる水準には達し
ていない。There are already some proposals for producing hydrogen peroxide directly from hydrogen and oxygen in the presence of a platinum group catalyst (
JP-A-50-14539, JP-A-51-4097,
JP-A-51-124698, JP-A-52-10949
No. 3), these proposals do not reach a level that can withstand industrial scraping in terms of the accumulation rate and production rate of hydrogen peroxide.
本発明の目的は、水素と酸素とを直接反応せしめて効率
よく過酸化水素を製造する方法を提供することにある。An object of the present invention is to provide a method for efficiently producing hydrogen peroxide by directly reacting hydrogen and oxygen.
課題を解決するための手段および作用
本発明者は、水素と酸素とから直接過酸化水素を製造す
る方法について鋭意検討した結果、特定の溶媒中で特定
の触媒を使用することにより本発明の目的が達成される
ことを見出し、本発明を完成させるに至った。Means and Effects for Solving the Problems As a result of intensive study on a method for directly producing hydrogen peroxide from hydrogen and oxygen, the present inventor has found that the objects of the present invention can be achieved by using a specific catalyst in a specific solvent. The present inventors have discovered that the following can be achieved, and have completed the present invention.
すなわち、本発明は、
(1)水と二液相を形成する含フッ素化合物からなる溶
媒中で、疎水性担体上に金属を担持した触媒の存在下に
、水素と酸素とを反応せしめる、過酸化水素の製造法で
あり、
C)水と二液相を形成する含フッ素化合物と水とからな
る溶媒中で、疎水性担体上に金属を担持した触媒の存在
下に、水素と酸素とを反応させ、水相中に過酸化水素を
濃縮分離せしめる、過酸化水素の製造法である。That is, the present invention provides (1) a reaction method in which hydrogen and oxygen are reacted in a solvent consisting of a fluorine-containing compound that forms a two-liquid phase with water in the presence of a catalyst in which a metal is supported on a hydrophobic carrier; C) Hydrogen and oxygen are produced in a solvent consisting of water and a fluorine-containing compound that forms a two-liquid phase with water in the presence of a catalyst with a metal supported on a hydrophobic carrier. This is a method for producing hydrogen peroxide by reacting and concentrating and separating hydrogen peroxide into the aqueous phase.
本発明の方法において使用される水と二液相を形成する
含フッ素化合物は、通常、水に比較して、酸素または水
素等の気体の溶解度が大きい、従って含フッ素化合物を
溶媒として用いて行う水素と酸素との反応の場合は、通
常の水溶媒を用いて行う水素と酸素との反応の場合に比
較して反応速度を高く保つことができる。The fluorine-containing compound that forms a two-liquid phase with water used in the method of the present invention usually has a higher solubility for gases such as oxygen or hydrogen than water, so the method is carried out using the fluorine-containing compound as a solvent. In the case of a reaction between hydrogen and oxygen, the reaction rate can be kept higher than in the case of a reaction between hydrogen and oxygen carried out using a normal water solvent.
含フッ素化合物の種類には特に制限はないが、CJaC
lt 、CJaBr茸1.C5FtlOR、CbFla
、CsF+eO1C1゜F4、(CaF*)J 等
が多用される。There are no particular restrictions on the type of fluorine-containing compound, but CJaC
lt, CJaBr mushroom 1. C5FtlOR, CbFla
, CsF+eO1C1°F4, (CaF*)J, etc. are often used.
本発明の方法において使用される触媒は疎水性触媒であ
って、疎水性の担体に金属成分を担持したものが多用さ
れる。疎水性の担体として、ポリテトラフルオロエチレ
ン、ポリエチレン、ポリスチレン、含珪素樹脂もしくは
フッ化黒鉛等のそれ自体が疎水性を示すもの、または、
シリカ、アルミナ、活性炭等それ自体は親水性であって
、その表面をテフロン[有]もしくはフッ化黒鉛等の被
覆剤で処理して疎水性を付与したものが用いられる。The catalyst used in the method of the present invention is often a hydrophobic catalyst in which a metal component is supported on a hydrophobic carrier. As a hydrophobic carrier, one that itself is hydrophobic such as polytetrafluoroethylene, polyethylene, polystyrene, silicon-containing resin, or fluorinated graphite, or
Silica, alumina, activated carbon, etc. are themselves hydrophilic, and those whose surfaces are treated with a coating agent such as Teflon or graphite fluoride to impart hydrophobicity are used.
同様にして親水性の担体上に金属が担持された触媒の表
面をテフロンのもしくはフッ化黒鉛等の被覆剤で処理し
て疎水性を付与したものも用いられる。Similarly, a catalyst in which a metal is supported on a hydrophilic carrier and the surface thereof is treated with a coating agent such as Teflon or graphite fluoride to impart hydrophobicity may also be used.
担体上に担持する触媒金属として酸素および/または水
素を活性化する能力のあるものが使用される。具体的に
例示すれば、白金族元素またはニッケル等が多用され、
通常はパラジウムが適している。金属成分の担持量は0
.1〜5wt%の範囲である。As the catalytic metal supported on the carrier, a metal capable of activating oxygen and/or hydrogen is used. Specifically, platinum group elements or nickel are often used,
Palladium is usually suitable. The amount of metal components supported is 0
.. It is in the range of 1 to 5 wt%.
触媒の調整条件は特に限定されるものではなく、通常多
用される条件で充分である。特には疎水性を付与するた
めのものが安定な条件である。Conditions for adjusting the catalyst are not particularly limited, and commonly used conditions are sufficient. In particular, conditions for imparting hydrophobicity are stable conditions.
反応に際しては水素と酸素との組成比は任意に選ぶこと
ができる0反応は大気圧以下の圧力から加圧までの広い
範囲で実施できるが、大気圧〜20kg/cdの範囲が
適している。In the reaction, the composition ratio of hydrogen and oxygen can be arbitrarily selected.The reaction can be carried out in a wide range of pressures from below atmospheric pressure to pressurized, but a range of atmospheric pressure to 20 kg/cd is suitable.
反応温度は60’C以下、特に40℃以下が好ましく、
通常は0〜30°Cで反応を実施する。The reaction temperature is preferably 60'C or less, particularly 40C or less,
The reaction is usually carried out at 0-30°C.
水と二液相を形成する含フッ素化合物と水とを混合また
は懸濁せしめて使用する場合の含フッ素化合物と水との
混合割合は特に制限はないが、含フッ素化合物と水の容
量比はtoo:so〜1の範囲である。When using water and a fluorine-containing compound that forms a two-liquid phase by mixing or suspending the fluorine-containing compound and water, there is no particular restriction on the mixing ratio of the fluorine-containing compound and water, but the volume ratio of the fluorine-containing compound and water is too: ranges from so to 1.
反応をバッチ式で行う場合を例として説明すれば、含フ
ッ素化合物中に0.5〜lht%の触媒を添加し、水素
と水とを吹き込み反応させる。For example, when the reaction is carried out in a batch manner, 0.5 to lht% of a catalyst is added to a fluorine-containing compound, and hydrogen and water are blown into the fluorine-containing compound to cause a reaction.
反応に要する時間は、0.5〜lO時間である。The time required for the reaction is 0.5 to 10 hours.
含フッ素化合物と水との混合物を溶媒とする隙には反応
後に二相に分離させ、水相中に濃縮分離した過酸化水素
を取得し、必要があれば、更に蒸留等の常法により′a
縮する。この場合、水相中に濃縮された過酸化水素は触
媒に接触する確率が低いために、濃縮過酸化水素の接触
分解を防止できるものと考えられる。When a mixture of a fluorine-containing compound and water is used as a solvent, it is separated into two phases after the reaction, the concentrated and separated hydrogen peroxide is obtained in the aqueous phase, and if necessary, it is further purified by a conventional method such as distillation. a
Shrink. In this case, since the hydrogen peroxide concentrated in the aqueous phase has a low probability of coming into contact with the catalyst, it is thought that catalytic decomposition of the concentrated hydrogen peroxide can be prevented.
実施例 以下、実施例により本発明を説明する。Example The present invention will be explained below with reference to Examples.
実施例1
溶媒として含フッ素化合物(C,Fl、O) 100
gを、内面をテフロンで被覆した1インチのステンレス
同浴に仕込み、下部から水素ガス100d/lll1n
、酸化ガス600/winを吹き込み、反応圧5kg/
ciで反応せしめた。Example 1 Fluorine-containing compound (C, Fl, O) as a solvent 100
g into a 1-inch stainless steel bath whose inner surface is coated with Teflon, and hydrogen gas 100d/lll1n is added from the bottom.
, oxidizing gas 600/win was blown into the reaction pressure 5kg/win.
The reaction was performed with ci.
溶媒中には、テフロン担体(粒径100〜500μ)に
Pdを0.8wt%担持した触媒5gを懸濁させてあり
、反応温度は同浴外部を水冷して15〜18゛Cに保持
した0反応開始後6時間後に過酸化水素が溶媒中に7.
5 wt%生成した。In the solvent, 5 g of a catalyst in which 0.8 wt% of Pd was supported on a Teflon carrier (particle size 100 to 500 μ) was suspended, and the reaction temperature was maintained at 15 to 18 °C by cooling the outside of the bath with water. 0 6 hours after the start of the reaction, hydrogen peroxide was added to the solvent.7.
5 wt% was produced.
実施例2
ン容媒としてパーフJレオロデカリン[C1゜F+*]
100 gを用い、実施例1の装置を用い反応を実施し
た。触媒としてデュポン社製ナフィオン(粒径0.1〜
0.5 am)上にPdを0.5wt%担持した触媒8
gを仕込んだ、実施例1と同様にして反応させた結果、
過酸化水素が溶媒中に8.7 wt%生成した。Example 2 Perf J rheolodecalin [C1°F+*] as a carrier
The reaction was carried out using the apparatus of Example 1 using 100 g. As a catalyst, Nafion manufactured by DuPont (particle size 0.1~
Catalyst 8 with 0.5 wt% of Pd supported on 0.5 am)
As a result of the reaction in the same manner as in Example 1,
Hydrogen peroxide was produced in the solvent at 8.7 wt%.
実施例3
溶媒としてパーフルオロトリブチルアミン((C4Fり
3N) 100 gおよび水30gを混合懸濁させた。Example 3 As a solvent, 100 g of perfluorotributylamine ((C4Ftri3N)) and 30 g of water were mixed and suspended.
シリカゲル上に1wt%のPdを担持した触媒表面を、
ポリテトラフルオロエチレンエマルジゴンで処理し疎水
性とした触媒6g(粒径100〜300μ)を仕込み、
実施例1と同様に反応させた。5時間反応後、反応液を
分液し、水相に抽出濃縮させた過酸化水素濃度は15w
t%であった。The catalyst surface with 1 wt% of Pd supported on silica gel was
6 g of a catalyst (particle size 100-300μ) treated with polytetrafluoroethylene emuldigon to make it hydrophobic was charged.
The reaction was carried out in the same manner as in Example 1. After 5 hours of reaction, the reaction solution was separated, extracted and concentrated into the aqueous phase, and the hydrogen peroxide concentration was 15w.
It was t%.
発明の効果
本発明の方法により、水素と酸素とを接触的に反応させ
ることができ、−段の反応操作で効率よく過酸化水素を
製造することができる。Effects of the Invention According to the method of the present invention, hydrogen and oxygen can be catalytically reacted, and hydrogen peroxide can be efficiently produced through a two-stage reaction operation.
特許出願人 三井東圧化学株式会社Patent applicant: Mitsui Toatsu Chemical Co., Ltd.
Claims (3)
媒中で、疎水性担体上に金属を担持した触媒の存在下に
、水素と酸素とを反応せしめる、過酸化水素の製造法。(1) A method for producing hydrogen peroxide in which hydrogen and oxygen are reacted in a solvent made of a fluorine-containing compound that forms a two-liquid phase with water in the presence of a catalyst in which a metal is supported on a hydrophobic carrier.
なる溶媒中で、疎水性担体上に金属を担持した触媒の存
在下に、水素と酸素とを反応させ、水相中に過酸化水素
を濃縮分離せしめる、過酸化水素の製造法。(2) In a solvent consisting of water and a fluorine-containing compound that forms a two-liquid phase with water, hydrogen and oxygen are reacted in the presence of a catalyst with a metal supported on a hydrophobic carrier. A hydrogen peroxide production method that concentrates and separates hydrogen peroxide.
れたものである、請求項第1項または第2項に記載の過
酸化水素の製造法。(3) The method for producing hydrogen peroxide according to claim 1 or 2, wherein the catalyst is obtained by treating a hydrophilic catalyst with a hydrophobic compound.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63013600A JP2533596B2 (en) | 1988-01-26 | 1988-01-26 | Hydrogen peroxide production method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63013600A JP2533596B2 (en) | 1988-01-26 | 1988-01-26 | Hydrogen peroxide production method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01192710A true JPH01192710A (en) | 1989-08-02 |
JP2533596B2 JP2533596B2 (en) | 1996-09-11 |
Family
ID=11837704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63013600A Expired - Lifetime JP2533596B2 (en) | 1988-01-26 | 1988-01-26 | Hydrogen peroxide production method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2533596B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5399334A (en) * | 1993-05-06 | 1995-03-21 | Mitsubishi Gas Chemical Company, Inc. | Process for producing hydrogen peroxide |
WO2002004120A3 (en) * | 2000-07-12 | 2002-05-16 | Merck Patent Gmbh | Catalyst associated with functionalized plastic beads or silica for use in fluorous biphasic catalysis |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56160306A (en) * | 1980-04-22 | 1981-12-10 | Air Prod & Chem | Manufacture of hydrogen peroxide |
JPS5792504A (en) * | 1980-10-10 | 1982-06-09 | Air Prod & Chem | Improved manufacture of hydrogen peroxide |
JPS5792506A (en) * | 1980-10-10 | 1982-06-09 | Air Prod & Chem | Synthesis of hydrogen peroxide |
-
1988
- 1988-01-26 JP JP63013600A patent/JP2533596B2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56160306A (en) * | 1980-04-22 | 1981-12-10 | Air Prod & Chem | Manufacture of hydrogen peroxide |
JPS5792504A (en) * | 1980-10-10 | 1982-06-09 | Air Prod & Chem | Improved manufacture of hydrogen peroxide |
JPS5792506A (en) * | 1980-10-10 | 1982-06-09 | Air Prod & Chem | Synthesis of hydrogen peroxide |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5399334A (en) * | 1993-05-06 | 1995-03-21 | Mitsubishi Gas Chemical Company, Inc. | Process for producing hydrogen peroxide |
WO2002004120A3 (en) * | 2000-07-12 | 2002-05-16 | Merck Patent Gmbh | Catalyst associated with functionalized plastic beads or silica for use in fluorous biphasic catalysis |
Also Published As
Publication number | Publication date |
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JP2533596B2 (en) | 1996-09-11 |
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