BE1018898A4 - ALTERNATIVE PROCESS FOR THE PRODUCTION OF POLYSULFIDES. - Google Patents

ALTERNATIVE PROCESS FOR THE PRODUCTION OF POLYSULFIDES. Download PDF

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Publication number
BE1018898A4
BE1018898A4 BE2010/0473A BE201000473A BE1018898A4 BE 1018898 A4 BE1018898 A4 BE 1018898A4 BE 2010/0473 A BE2010/0473 A BE 2010/0473A BE 201000473 A BE201000473 A BE 201000473A BE 1018898 A4 BE1018898 A4 BE 1018898A4
Authority
BE
Belgium
Prior art keywords
production
polysulfides
hydrogen sulfide
ethanol
polysulfide
Prior art date
Application number
BE2010/0473A
Other languages
Dutch (nl)
Original Assignee
Adval Engineering Bvba
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.)
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Publication date
Application filed by Adval Engineering Bvba filed Critical Adval Engineering Bvba
Priority to BE2010/0473A priority Critical patent/BE1018898A4/en
Application granted granted Critical
Publication of BE1018898A4 publication Critical patent/BE1018898A4/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P3/00—Preparation of elements or inorganic compounds except carbon dioxide

Abstract

De uitvinding houdt een verbeterd proces voor de productie van polysulfides in, door het gebruik van waterstofsulfide, verkregen uit een anaerobe vergisting van afvalethanol afkomstig van het polysulfide productie proces.The invention involves an improved process for the production of polysulfides, using hydrogen sulfide obtained from an anaerobic digestion of waste ethanol from the polysulfide production process.

Description

ALTERNATIEF PROCES VOOR DE PRODUCTIE VAN POLYSULFIDESALTERNATIVE PROCESS FOR THE PRODUCTION OF POLYSULFIDES

BESCHRIJVINGDESCRIPTION

De technologie voor de productie van polysulfides is goed gekend in de industrie en vergt het gebruik van moeilijk handelbare grondstoffen zoals waterstofsulfide.The technology for the production of polysulfides is well known in the industry and requires the use of raw materials that are difficult to handle such as hydrogen sulfide.

Polysulfides worden ingezet als “coupling agents” voor de productie van rubber, meer bepaald vulcanizeerbare rubber. Polysulfides verbeteren sterk de eigenschappen van rubber, onder andere de rolweerstand van autobanden.Polysulfides are used as coupling agents for the production of rubber, in particular vulcanizable rubber. Polysulfides greatly improve the properties of rubber, including the rolling resistance of car tires.

Bij de productie van polysulfides wordt dikwijls gewerkt met waterstofsulfide als een van de grondstoffen.In the production of polysulfides, hydrogen sulfide is often used as one of the raw materials.

Deze uitvinding heeft betrekking op het gebruik van waterstofsulfide dat door middel van een anaëroob proces gegenereerd wordt uit een afvalstroom (bv. ethanol) afkomstig uit het polysulfide proces. De afVal ethanol stroom wordt als reductant gebruikt waardoor waterstofsulfide door middel van anaërobie(microbiologisch) vrijgesteld wordt.This invention relates to the use of hydrogen sulfide that is generated by an anaerobic process from a waste stream (e.g., ethanol) from the polysulfide process. The waste ethanol stream is used as a reductant whereby hydrogen sulphide is released by anaerobic (microbiological) release.

De uitvinding is rechtstreeks gekoppeld aan de productie van polysulfides daar de anaërobe stap geïntegreerd kan worden in het polysulfide proces.The invention is directly linked to the production of polysulfides since the anaerobic step can be integrated into the polysulfide process.

Het volledige polysulfïde proces kan dan ook als “zero waste” bestempeld worden wat niet enkel een milieu voordeel oplevert, maar ook het economisch rendement van de totale polysulfide productie sterk verbetert.The complete polysulfide process can therefore be labeled as "zero waste", which not only provides an environmental benefit, but also greatly improves the economic return on total polysulfide production.

Claims (1)

CONCLUSIES De doelstelling van deze uitvinding is om een verbeterd proces voor de productie van polysulfides aan te bieden, meer bepaald voor de productie van polysulfides die gebruikt worden als “coupling agents” in vulcanizeerbare rubbers. Het gebruik van waterstofsulfide, verkregen uit een anaërobe vergisting van afvalethanol, zal het economisch rendement bij de produktie van polysulfides sterk verhogen. De mogelijkheid voor de integratie van het “biologische proces” van waterstofsulfide in de bestaande polysulifde processen, gebruikmakende van de ethanolafvalstromen die vrijkomen in een polysulfide productie is een essentieel onderdeel van deze uitvinding. De uitvinding vermindert sterk de veiligheidsrisico’s bij het transport en de behandeling van het zeer giftige waterstofsulfide.CONCLUSIONS The object of this invention is to offer an improved process for the production of polysulfides, in particular for the production of polysulfides used as coupling agents in vulcanizable rubbers. The use of hydrogen sulphide, obtained from an anaerobic fermentation of waste ethanol, will greatly increase the economic efficiency in the production of polysulphides. The possibility of integrating the "biological process" of hydrogen sulfide into the existing polysulphide processes, utilizing the ethanol waste streams released in a polysulfide production is an essential part of this invention. The invention greatly reduces safety risks during the transportation and handling of the highly toxic hydrogen sulfide.
BE2010/0473A 2010-08-02 2010-08-02 ALTERNATIVE PROCESS FOR THE PRODUCTION OF POLYSULFIDES. BE1018898A4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BE2010/0473A BE1018898A4 (en) 2010-08-02 2010-08-02 ALTERNATIVE PROCESS FOR THE PRODUCTION OF POLYSULFIDES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE2010/0473A BE1018898A4 (en) 2010-08-02 2010-08-02 ALTERNATIVE PROCESS FOR THE PRODUCTION OF POLYSULFIDES.
BE201000473 2010-08-02

Publications (1)

Publication Number Publication Date
BE1018898A4 true BE1018898A4 (en) 2011-10-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
BE2010/0473A BE1018898A4 (en) 2010-08-02 2010-08-02 ALTERNATIVE PROCESS FOR THE PRODUCTION OF POLYSULFIDES.

Country Status (1)

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BE (1) BE1018898A4 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0963995A2 (en) * 1998-06-08 1999-12-15 Shin-Etsu Chemical Co., Ltd. Method for preparing a short-chain polysulfide silane mixture

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0963995A2 (en) * 1998-06-08 1999-12-15 Shin-Etsu Chemical Co., Ltd. Method for preparing a short-chain polysulfide silane mixture

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
DATABASE BIOSIS [online] BIOSCIENCES INFORMATION SERVICE, PHILADELPHIA, PA, US; September 1997 (1997-09-01), KALYUZHNYI S V ET AL: "Biological sulfate reduction in an UASB reactor fed with ethanol as electron donor", XP002635252, Database accession no. PREV199800120187 *
LENS P ET AL: "Perspectives of sulfate reducing bioreactors in environmental biotechnology.", RE/VIEWS IN ENVIRONMENTAL SCIENCE AND BIO/TECHNOLOGY, vol. 1, no. 4, 2002, pages 311 - 325, XP002635251, ISSN: 1569-1705 *
MIKROBIOLOGIYA, vol. 66, no. 5, September 1997 (1997-09-01), pages 674 - 680, ISSN: 0026-3656 *
NEVATALO L M ET AL: "Biological hydrogen sulfide production in an ethanol-lactate fed fluidized-bed bioreactor", BIORESOURCE TECHNOLOGY, ELSEVIER BV, GB, vol. 101, no. 1, 1 January 2010 (2010-01-01), pages 276 - 284, XP026624003, ISSN: 0960-8524, [retrieved on 20090827], DOI: DOI:10.1016/J.BIORTECH.2009.07.042 *
THAUER R K ET AL: "ENERGY CONSERVATION IN CHEMOTROPHIC ANAEROBIC BACTERIA", BACTERIOLOGICAL REVIEWS, vol. 41, no. 1, 1977, pages 100 - 180, XP002635250, ISSN: 0005-3678 *

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