KR970069873A - Regeneration Method of Working Solution - Google Patents

Regeneration Method of Working Solution Download PDF

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Publication number
KR970069873A
KR970069873A KR1019970012801A KR19970012801A KR970069873A KR 970069873 A KR970069873 A KR 970069873A KR 1019970012801 A KR1019970012801 A KR 1019970012801A KR 19970012801 A KR19970012801 A KR 19970012801A KR 970069873 A KR970069873 A KR 970069873A
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KR
South Korea
Prior art keywords
working solution
concentration
mol
treatment
alkyltetrahydroanthrahydroquinones
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KR1019970012801A
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Korean (ko)
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KR100474503B1 (en
Inventor
가즈하루 오가사와라
도미오 가토
가즈유키 미나토
겐지 가토
마코토 스미타니
Original Assignee
오오하라 아키라
미쓰비시 가스 가가쿠 가부시키가이샤
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Priority claimed from JP9123896A external-priority patent/JPH09278419A/en
Priority claimed from JP9123996A external-priority patent/JPH09278420A/en
Application filed by 오오하라 아키라, 미쓰비시 가스 가가쿠 가부시키가이샤 filed Critical 오오하라 아키라
Publication of KR970069873A publication Critical patent/KR970069873A/en
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Publication of KR100474503B1 publication Critical patent/KR100474503B1/en

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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
    • C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/01—Hydrogen peroxide
    • C01B15/022—Preparation from organic compounds
    • C01B15/023—Preparation from organic compounds by the alkyl-anthraquinone process

Abstract

안트라퀴논법에 의한 과산화수소 제조방법에 작동용액중에 존재하고, 과산화수소의 생성에 관여하지 않는 다양한 부생성물이 과산화수소 제조용 반응 매체로서 유효한 안트라퀴논류로 효과적으로 전환하는 작동용액의 재생방법이 개시되어 있다.Disclosed is a method for regenerating a working solution in which various by-products present in the working solution in a method for producing hydrogen peroxide by the anthraquinone method are effectively converted into anthraquinones as a reaction medium for producing hydrogen peroxide.

본 발명은, (1) 환원전의 작동용액 일부를 ｒ-알루미나를 주성분으로 하는 촉매와 40-150℃의 온도에서 접촉처리하는 것을 특징으로 하는 작동용액의 재생방법, (2) 작동용액을 ｒ-알루미나를 주성분으로 하는 촉매와 20-150℃의 온도에서, 촉매처리전의 작동용액중의 알킬테트라히드로안트라히드로퀴논류의 농도h(mol/ℓ)가, 식The present invention provides a method for regenerating a working solution, comprising (1) contacting a portion of the working solution before reduction with a catalyst composed mainly of r-alumina at a temperature of 40-150 ° C, and (2) At a temperature of 20-150 ° C. and a catalyst mainly composed of alumina, the concentration h (mol / l) of alkyltetrahydroanthrahydroquinones in the working solution before the catalytic treatment is

(0.0018 x t-0.0285) x h≤0.05(0.0018 x t-0.0285) x h≤0.05

〔식중, t는 처리온도(℃)를 나타낸다〕를 만족하는 농도에서 접촉처리하여 작동용액중의 알킬테트라히드로옥시안트론류를 알킬테트라히드로안트라히드로퀴논류로 변환시키는 것을 특징으로 하는 작동용액의 재생방법을 제공한다.Where t represents the treatment temperature (° C.), and contact treatment at a concentration satisfying the conversion of alkyltetrahydrooxyanthrones in the working solution to alkyltetrahydroanthrahydroquinones is carried out. Provide a method.

Description

작동용액의 재생방법Regeneration Method of Working Solution

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (6)

안트라퀴논류로서 알킬안트라퀴논류와 알킬테트라히드로안트라퀴논류를 포함하는 작동용액을 반복적으로 환원 및 산화처리하여 과산화수소를 제조함에 있어서, 환원전의 작동용액 일부를 ｒ-알루미나를 주성분으로 하는 촉매와 40-150℃의 온도에서 접촉처리하는 것을 특징으로 하는 작동용액의 재생방법.In preparing hydrogen peroxide by repeatedly reducing and oxidizing an operating solution containing alkylanthraquinones and alkyltetrahydroanthraquinones as anthraquinones, a portion of the working solution before reduction is composed of a catalyst composed of r-alumina and 40 A process for regenerating a working solution, characterized in that the contact treatment at a temperature of -150 ℃. 청구항 1에 있어서, 환원전의 작동용액이 알킬테트라히드로안트라퀴논류를 0.05mol/ℓ이상의 농도로 함유하는 것을 특징으로 하는 작동용액의 재생방법.The method of regenerating a working solution according to claim 1, wherein the working solution before reduction contains alkyltetrahydroanthraquinones at a concentration of 0.05 mol / L or more. 청구항 1에 있어서, 환원전의 작동용액이 알킬테트라히드로안트라퀴논류를 0.15mol/ℓ이상의 농도로 함유하는 것을 특징으로 하는 작동용액의 재생방법.The method of regenerating a working solution according to claim 1, wherein the working solution before reduction contains alkyltetrahydroanthraquinones at a concentration of 0.15 mol / L or more. 청구항 1에 있어서, 환원전의 작동용액이 알킬테트라히드로안트라퀴논류를 0.05mol/ℓ이상의 농도로, 알킬테트라히드로안트라히드로퀴논류를 0.15mol/ℓ이하의 농도로 함유하는 것을 특징으로 하는 작동용액의 재생방법.The regeneration of the working solution according to claim 1, wherein the working solution before reduction contains alkyltetrahydroanthraquinones at a concentration of 0.05 mol / l or more and alkyltetrahydroanthrahydroquinones at a concentration of 0.15 mol / l or less. Way. 안트라퀴논류로서 적어도 알킬테트라히드로안트라퀴논류를 함유하는 작동용액을 반복적으로 환원 및 산화처리하여 과산화수소를 제조하는 공정에 있어서, 그 작동용액을 ｒ-알루미나를 주성분으로 하는 촉매와 20-150℃의 온도에서, 촉매처리전의 작동용액중의 알킬테트라히드로안트라히드로퀴논류의 농도h(mol/ℓ)가, 식In the process of producing hydrogen peroxide by repeatedly reducing and oxidizing an operating solution containing at least alkyltetrahydroanthraquinones as anthraquinones, the working solution is composed of a catalyst composed of r-alumina and a catalyst at 20-150 占 폚. At the temperature, the concentration h (mol / l) of the alkyltetrahydroanthrahydroquinones in the working solution before the catalyst treatment is (0.0018 x t-0.0285) x h≤0.05(0.0018 x t-0.0285) x h≤0.05 〔식중, t는 처리온도(℃)를 나타낸다〕를 만족하는 농도에서 접촉처리하여 작동용액중의 알킬테트라히드로옥시안트론류를 알킬테트라히드로안트라히드로퀸논류로 변환시키는 것을 특징으로 하는 작동용액의 재생방법.(Wherein t represents the treatment temperature (° C.)) by contact treatment to convert alkyltetrahydrooxyanthrones in the working solution into alkyltetrahydroanthrahydroquinones. How to play. 청구항 5에 있어서, 촉매처리전의 작동용액중의 알킬테트라히드로안트라히드로퀴논류의 농도h(mol/ℓ)가, 0.015mol/ℓ이하이고, 식The concentration h (mol / l) of alkyltetrahydroanthrahydroquinones in the working solution before the catalyst treatment is 0.015 mol / l or less, (0.0018 x t-0.0285) x h≤0.02(0.0018 x t-0.0285) x h≤0.02 〔식중, t는 처리온도(℃)를 나타낸다〕를 만족하는 농도에서 접촉처리하는 것을 특징으로 하는 작동용액의 재생방법.A process for regenerating a working solution, wherein contact treatment is carried out at a concentration satisfying [where t represents a treatment temperature (° C.)]. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019970012801A 1996-04-12 1997-04-08 Regeneration method of working solution KR100474503B1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP91238 1996-04-12
JP96-91238 1996-04-12
JP91239 1996-04-12
JP96-91239 1996-04-12
JP9123896A JPH09278419A (en) 1996-04-12 1996-04-12 Regenerating method of actuating solution used for hydrogen peroxide production
JP9123996A JPH09278420A (en) 1996-04-12 1996-04-12 Regenerating method of actuating solution used for hydrogen peroxide production

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KR970069873A true KR970069873A (en) 1997-11-07
KR100474503B1 KR100474503B1 (en) 2005-07-18

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US (1) USH1787H (en)
KR (1) KR100474503B1 (en)
CN (1) CN1108984C (en)
CA (1) CA2202435C (en)
DE (1) DE19715034A1 (en)
ID (1) ID16589A (en)
TW (1) TW432009B (en)

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BE1012267A3 (en) * 1998-11-05 2000-08-01 Solvay Manufacturing method of hydrogen peroxide.
FI108432B (en) * 2000-03-06 2002-01-31 Kemira Chemicals Oy Regeneration of the working solution in the hydrogen peroxide production process
TWI383951B (en) * 2006-05-09 2013-02-01 Mitsubishi Gas Chemical Co Method for producing hydrogen peroxide containing a regeneration step of an action solution
TWI443063B (en) * 2007-07-11 2014-07-01 Mitsubishi Gas Chemical Co Method for producing regenerative catalyst for producing hydrogen peroxide working solution
CN103803500B (en) * 2012-11-07 2015-09-30 中国石油化工股份有限公司 A kind of working fluid reclaiming process of hydrogen dioxide solution production by anthraquinone process
CN106540685B (en) * 2015-09-17 2021-01-08 中国石油化工股份有限公司 Catalyst, preparation method and application thereof, regeneration method for producing hydrogen peroxide working solution by anthraquinone method and method for producing hydrogen peroxide
JP7327414B2 (en) * 2018-11-20 2023-08-16 三菱瓦斯化学株式会社 How to treat the working solution
CN109806875A (en) * 2019-02-26 2019-05-28 浙江巴陵恒逸己内酰胺有限责任公司 It is catalyzed the regeneration method of catalyst of regenerating anthraquinone degradation products and preparation method thereof and cycle working fluid
CN114426259B (en) 2020-10-14 2023-09-05 中国石油化工股份有限公司 Method and system for producing hydrogen peroxide

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US2739875A (en) * 1951-12-06 1956-03-27 Du Pont Regeneration of degraded alkylanthraquinone solutions for the production of hydrogen peroxide
US3432267A (en) * 1967-05-26 1969-03-11 Fmc Corp Regeneration of anthraquinone working solution used in the production of hydrogen peroxide
DE2003268C3 (en) * 1970-01-26 1974-01-31 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Device for carrying out the oxidation in the anthraquinone process for the production of hydrogen peroxide
US3965251A (en) * 1970-08-18 1976-06-22 Mitsubishi Gas Chemical Company, Inc. Method of regenerating a degraded working solution for the production of hydrogen peroxide
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JP3617532B2 (en) * 1992-12-25 2005-02-09 三菱瓦斯化学株式会社 Method for producing hydrogen peroxide
KR0130851B1 (en) * 1994-11-03 1998-04-21 강박광 Method of removing anthraquinone and processing its restoration

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CN1108984C (en) 2003-05-21
TW432009B (en) 2001-05-01
KR100474503B1 (en) 2005-07-18
USH1787H (en) 1999-02-02
ID16589A (en) 1997-10-16
CN1166450A (en) 1997-12-03
DE19715034A1 (en) 1997-10-30
CA2202435C (en) 2008-07-22
CA2202435A1 (en) 1997-10-12

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