WO2012159701A2 - Moyens destinés à l'écoulement ou au stockage de milieux alcalins à hautes températures - Google Patents

Moyens destinés à l'écoulement ou au stockage de milieux alcalins à hautes températures Download PDF

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Publication number
WO2012159701A2
WO2012159701A2 PCT/EP2012/001771 EP2012001771W WO2012159701A2 WO 2012159701 A2 WO2012159701 A2 WO 2012159701A2 EP 2012001771 W EP2012001771 W EP 2012001771W WO 2012159701 A2 WO2012159701 A2 WO 2012159701A2
Authority
WO
WIPO (PCT)
Prior art keywords
composition according
thermoplastic
thermoplastic material
manifold
open
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.)
Ceased
Application number
PCT/EP2012/001771
Other languages
German (de)
English (en)
Other versions
WO2012159701A3 (fr
Inventor
Michael Rohlmann
Dieter Rossberg
Wolfgang Gerlach
Gregor Michalik
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThyssenKrupp Industrial Solutions AG
Original Assignee
ThyssenKrupp Uhde GmbH
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 ThyssenKrupp Uhde GmbH filed Critical ThyssenKrupp Uhde GmbH
Publication of WO2012159701A2 publication Critical patent/WO2012159701A2/fr
Publication of WO2012159701A3 publication Critical patent/WO2012159701A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • F16L9/127—Rigid pipes of plastics with or without reinforcement the walls consisting of a single layer

Definitions

  • the present invention relates to agents suitable for the flow or storage of alkaline media having a temperature of 85 ° C to 100 ° C.
  • the materials used are stable to alkaline media having a temperature of 85 ° C to 100 ° C, are stable.
  • electrolysis electrical energy is converted into chemical energy. This is achieved by the decomposition of a chemical compound under the action of an electric current.
  • the solution used as electrolyte contains positively and negatively charged ions. Accordingly, the main electrolytes used are acids, bases or salt solutions.
  • Each individual electrolysis cell of an electrolyzer has inlet and outlet lines for catholyte and anolyte each lead into a manifold.
  • This manifold must have high chemical resistance and be resistant to alkaline media even at high temperatures up to 100 ° C.
  • headers of the prior art are either made of pure glass fiber reinforced plastic or made of a
  • Such plastic structures are materials made of
  • Reinforcing fibers exist, which are embedded in a plastic matrix. These are used in a variety of applications in the form of short fiber reinforced, long fiber reinforced or continuous fiber reinforced components use. Alternatively, such headers may be made of metal for use in electrolyzers.
  • Object of the present invention is therefore to provide means that no longer have the above problems and at temperatures of up to 100 ° C to alkaline media is stable.
  • the object is achieved by means suitable for the flow or storage of alkaline media having a temperature of 85 ° C to 100 ° C, wherein the means are constructed of a thermoplastic material.
  • thermoplastics are materials which exhibit high thermal expansion and softening at high temperatures ( K. Lutterbeck et al, Cologne University of Applied Sciences, http: //www2.gm.fh- koeln.de/ ⁇ technikst/Hauptrich/ground-Scherw_oK.pdf). From standard tables is also known that thermoplastic resins can only be used in a temperature range of up to 80 ° C. Thus, there is a reservation this
  • agents are made of pure thermoplastic without reinforcing fibers for use with alkaline media at temperatures up to 100 ° C and the tested agents the
  • thermoplastic material is selected from the group comprising polypropylene, polyphenylene sulfide, polyvinyl chloride, polyamide, polylactate, polymethyl methacrylate, polycarbonate, polyethylene terephthalate, polystyrene and
  • Polyetheretherketone and the thermoplastic is preferably polypropylene.
  • the agent according to the invention is a container.
  • the means is a manifold of an electrolyzer, wherein the electrolyzer arranged in a stack and in
  • electrolytic cells standing plate-shaped electrolytic cells wherein the electrolysis cells have supply and discharge lines for catholyte and anolyte, which open into headers, the feed lines for catholyte lead into at least one Katholytsammelrohr and the supply lines for anolyte lead into at least one Anolytsammelrohr and the discharge lines the electrolysis cells open into at least one discharge manifold. So it is at one
  • Electrolyzer to a series connection of several individual elements, each having electrodes which are separated from each other via a suitable membrane and which are fitted in a housing for receiving these individual elements.
  • thermoplastic material of the Anolytsammelrohrs Ployvinylchlorid is thermoplastic material of the Anolytsammelrohrs Ployvinylchlorid.
  • thermoplastic of the Katholytsammelrohrs and the Abriosammelrohres is selected from the group of polypropylene,
  • thermoplastic material such as the manifold.
  • thermoplastic of the electrolyzer is advantageously resistant to> 20% concentrated alkaline media, wherein the alkaline medium is in particular> 20% NaOH. It goes without saying that the composite also has a resistance to others
  • FIG. 1 A schematic sketch of a Elektroyseurs, with
  • Fig. 1 shows an electrolyzer 1, which is equipped with a plurality of plate-shaped individual electrolysis cells 2, in which the electrochemical reaction takes place.
  • the individual electrolysis cells are equipped with supply lines (5, 6) which serve to transport anolyte or catholyte into the individual electrolysis cells. These supply lines (5, 6) open into an anolyte collection tube (3) or in one
  • Discharge 8 provided. These also open into a manifold 7, from which the respective products 11 are discharged.
  • headers of such an electrolytic cell are constructed of a thermoplastic material.
  • thermoplastics are suitable for use in such an electrolyzer. In operation of the electrolyzer such headers must endure, for example, up to 35% NaOH at 0.22 bar and 90 ° C.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne des moyens destinés à l'écoulement ou au stockage de milieux alcalins qui présentent une température allant de 85°C à 100°C, ces moyens étant en matériau thermoplastique.
PCT/EP2012/001771 2011-05-20 2012-04-26 Moyens destinés à l'écoulement ou au stockage de milieux alcalins à hautes températures Ceased WO2012159701A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110102714 DE102011102714A1 (de) 2011-05-20 2011-05-20 Mittel zum Durchfluss oder zur Lagerung alkalischer Medien bei hohen Temperaturen
DE102011102714.2 2011-05-20

Publications (2)

Publication Number Publication Date
WO2012159701A2 true WO2012159701A2 (fr) 2012-11-29
WO2012159701A3 WO2012159701A3 (fr) 2013-04-04

Family

ID=46085524

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/001771 Ceased WO2012159701A2 (fr) 2011-05-20 2012-04-26 Moyens destinés à l'écoulement ou au stockage de milieux alcalins à hautes températures

Country Status (4)

Country Link
AR (1) AR086430A1 (fr)
DE (1) DE102011102714A1 (fr)
TW (1) TW201248049A (fr)
WO (1) WO2012159701A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4522783A4 (fr) * 2022-05-09 2026-04-29 Ticona Llc Élément fluidique destiné à être utilisé dans un système d'électrolyseur

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791042A (fr) * 1971-11-09 1973-03-01 Oronzio De Nora Impianti Cellule d'electrolyse bipolaire
JPS5946316B2 (ja) * 1978-12-28 1984-11-12 鐘淵化学工業株式会社 電解法
CA1204767A (fr) * 1982-01-07 1986-05-20 Frank S. Holland Production d'halogenures d'organotine
GB8614706D0 (en) * 1986-06-17 1986-07-23 Ici Plc Electrolytic cell
DE3918378A1 (de) * 1989-06-06 1990-12-13 Juergen Dr Mueller Ausfuehrungsform und betriebsart einer gasdiffusionselektrode zur elektrochemischen gewinnung von wertstoffen aus waessrigen loesungen
US5290405A (en) * 1991-05-24 1994-03-01 Ceramatec, Inc. NaOH production from ceramic electrolytic cell
WO1995007373A1 (fr) * 1993-09-06 1995-03-16 Hydrogen Technology Limited Ameliorations relatives a des systemes d'electrolyse
FR2910589B1 (fr) * 2006-12-22 2009-02-13 Chem Tech Engineering S R L Collecteur de fluides pour etre utilises dans des cellules d'electrolyse et son procede de fabrication.
DE202008013039U1 (de) * 2008-10-01 2009-01-02 Plasticon Germany Gmbh Medienverteilerrohr für eine Chlorelektrolyse-Anlage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4522783A4 (fr) * 2022-05-09 2026-04-29 Ticona Llc Élément fluidique destiné à être utilisé dans un système d'électrolyseur

Also Published As

Publication number Publication date
WO2012159701A3 (fr) 2013-04-04
DE102011102714A1 (de) 2012-11-22
AR086430A1 (es) 2013-12-11
TW201248049A (en) 2012-12-01

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