RU2010150834A - METHOD FOR ELECTROCHEMICAL LEGIN DIVISION ON A DIAMOND ELECTRODE - Google Patents

METHOD FOR ELECTROCHEMICAL LEGIN DIVISION ON A DIAMOND ELECTRODE Download PDF

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Publication number
RU2010150834A
RU2010150834A RU2010150834/07A RU2010150834A RU2010150834A RU 2010150834 A RU2010150834 A RU 2010150834A RU 2010150834/07 A RU2010150834/07 A RU 2010150834/07A RU 2010150834 A RU2010150834 A RU 2010150834A RU 2010150834 A RU2010150834 A RU 2010150834A
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RU
Russia
Prior art keywords
diamond electrode
lignin
decomposition products
electrochemical
legin
Prior art date
Application number
RU2010150834/07A
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Russian (ru)
Other versions
RU2495157C2 (en
Inventor
Ульрих ГРИСБАХ (DE)
Ульрих ГРИСБАХ
Андреас ФИШЕР (DE)
Андреас ФИШЕР
Флориан ШТЕКЕР (DE)
Флориан ШТЕКЕР
Йорг БОТЦЕМ (DE)
Йорг БОТЦЕМ
Ральф ПЕЛЬЦЕР (DE)
Ральф ПЕЛЬЦЕР
Марио ЭММЕЛУТ (DE)
Марио ЭММЕЛУТ
Зигфрид Р. ВАЛЬДФОГЕЛЬ (DE)
Зигфрид Р. ВАЛЬДФОГЕЛЬ
Original Assignee
Басф Се (De)
Басф Се
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Басф Се (De), Басф Се filed Critical Басф Се (De)
Publication of RU2010150834A publication Critical patent/RU2010150834A/en
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Publication of RU2495157C2 publication Critical patent/RU2495157C2/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B3/00—Electrolytic production of organic compounds
    • C25B3/20—Processes
    • C25B3/23—Oxidation

Abstract

The invention relates to a process for the electrochemical cleavage of lignin by means of a diamond electrode and also to a process for producing vanillin and derivatives thereof by electrochemical cleavage of lignin in a solution having a pH≰11.

Claims (7)

1. Способ разложения лигнина с высоким выходом производных гидроксибензальдегида и/или производных фенола более 5%, причем водный раствор или суспензия электролизуют на алмазном электроде и обрабатывают водным раствором, который имеет значение рН≤11.1. A method of decomposing lignin with a high yield of hydroxybenzaldehyde derivatives and / or phenol derivatives of more than 5%, wherein the aqueous solution or suspension is electrolyzed on a diamond electrode and treated with an aqueous solution that has a pH value of 11 11. 2. Способ по п.1, причем обрабатывают водный кислый раствор.2. The method according to claim 1, wherein the aqueous acidic solution is treated. 3. Способ по п.1, причем используемый алмазный электрод представляет собой борсодержащий алмазный электрод.3. The method according to claim 1, wherein the diamond electrode used is a boron-containing diamond electrode. 4. Способ по п.1, причем продукты разложения лигнина непрерывно удаляют из электрохимической ячейки.4. The method according to claim 1, wherein the lignin decomposition products are continuously removed from the electrochemical cell. 5. Способ по п.1, причем продукты разложения лигнина удаляют с помощью перегонки с водяным паром.5. The method according to claim 1, wherein the lignin decomposition products are removed by steam distillation. 6. Способ по п.1, причем продукты разложения лигнина удаляют с помощью непрерывной экстракции органическим растворителем.6. The method according to claim 1, wherein the lignin decomposition products are removed by continuous extraction with an organic solvent. 7. Способ по одному из пп.1-6, причем продукты разложения лигнина выбирают из гваякола, ванилина и ацетованиллона. 7. The method according to one of claims 1 to 6, and the decomposition products of lignin are selected from guaiacol, vanillin and acetaminophen.
RU2010150834/04A 2008-05-14 2009-05-11 Method for electrochemical splitting of lignin on diamond electrode RU2495157C2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP08156190 2008-05-14
EP08156190.4 2008-05-14
PCT/EP2009/055638 WO2009138368A1 (en) 2008-05-14 2009-05-11 Method for electrochemically cleaving lignin on a diamond electrode

Publications (2)

Publication Number Publication Date
RU2010150834A true RU2010150834A (en) 2012-06-20
RU2495157C2 RU2495157C2 (en) 2013-10-10

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RU2010150834/04A RU2495157C2 (en) 2008-05-14 2009-05-11 Method for electrochemical splitting of lignin on diamond electrode

Country Status (9)

Country Link
US (1) US20110089046A1 (en)
EP (1) EP2276877B1 (en)
JP (1) JP2011521102A (en)
CN (1) CN102027161B (en)
AT (1) ATE532888T1 (en)
BR (1) BRPI0912164A2 (en)
CA (1) CA2722235A1 (en)
RU (1) RU2495157C2 (en)
WO (1) WO2009138368A1 (en)

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WO2010026244A1 (en) 2008-09-08 2010-03-11 Basf Se Method for the integrated production of cellulose and low-molecular-weight reusable materials
CN102277591B (en) * 2011-08-02 2014-03-05 北京化工大学 Method for electrochemically degrading lignin
US8808781B2 (en) 2011-08-11 2014-08-19 Basf Se Method for producing vanillin by electrochemical oxidation of aqueous lignin solutions or suspensions
US9006494B2 (en) 2012-07-04 2015-04-14 Basf Se Process for producing vanillin from vanillin-comprising compositions
MX2015000244A (en) * 2012-07-04 2015-08-12 Basf Se Method for producing vanillin.
BR112014032854A2 (en) * 2012-07-04 2017-06-27 Basf Se process for the production of vanillin from a basic aqueous composition comprising vanillin
CN103074639B (en) * 2013-02-04 2015-04-29 河北工业大学 Method for preparing 2, 6-ditertiary butyl-4-methylphenol by electrochemically degrading lignin
CN103469244B (en) * 2013-08-02 2015-10-28 河北工业大学 In copperas solution, electrochemical degradation xylogen prepares the method for dibutyl phthalate
CN104532284A (en) * 2014-12-16 2015-04-22 广西科技大学 Converting method and converting device of lignocellulose in ionic solution through electrooxidation-hydrothermal method
CN106480472B (en) * 2015-08-25 2019-03-12 中国科学院天津工业生物技术研究所 Convert one step of biological material to method, container and the purposes of solable matter
AT518544B1 (en) * 2016-04-29 2017-11-15 Pro Aqua Diamantelektroden Produktion Gmbh & Co Kg Process for the electrochemical conversion of organic compounds contained in residues or obtained as residues and use of a single-cell flow cell designed as an electrolytic cell for the electrochemical conversion of organic compounds contained in residues or as residues in a gaseous fuel
CN106987862B (en) * 2017-04-12 2018-03-09 中北大学 A kind of method of the electrochemical degradation lignin in eutectic solvent

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US372581A (en) * 1887-11-01 And ed
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JPS5121346A (en) * 1974-08-16 1976-02-20 Sanwa Chemical Co Ltd Parupukogyohaisuino datsushokujokahoho
GB8527960D0 (en) * 1985-11-13 1985-12-18 Mini Agriculture & Fisheries Electro chemical treatment of lignins
FR2730730B1 (en) * 1995-02-20 1997-04-04 Rhone Poulenc Chimie PROCESS FOR THE PREPARATION OF A SUBSTITUTED 4-HYDROXYBENZALDEHYDE
US6136186A (en) * 1997-01-31 2000-10-24 Lynntech, Inc. Photocatalytic oxidation of organics using a porous titanium dioxide membrane and an efficient oxidant
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JP2005060752A (en) * 2003-08-08 2005-03-10 Ebara Corp Material for electrode in liquid
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JP2006068617A (en) * 2004-09-01 2006-03-16 Ebara Corp Method and apparatus for treating water medium
DE102006034895A1 (en) * 2006-07-25 2008-01-31 Siemens Ag Process for the removal of pollutants from liquids and apparatus for carrying out the process

Also Published As

Publication number Publication date
CA2722235A1 (en) 2009-11-19
ATE532888T1 (en) 2011-11-15
US20110089046A1 (en) 2011-04-21
EP2276877A1 (en) 2011-01-26
BRPI0912164A2 (en) 2015-10-13
EP2276877B1 (en) 2011-11-09
RU2495157C2 (en) 2013-10-10
CN102027161B (en) 2013-01-09
CN102027161A (en) 2011-04-20
WO2009138368A1 (en) 2009-11-19
JP2011521102A (en) 2011-07-21

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Effective date: 20180512