EP0235473B1 - Verfahren zur Vorrichtung von organischen Erzeugnissen mit Giftwirkung und Ausrüstung zum Ausführen dieses Verfahrens - Google Patents

Verfahren zur Vorrichtung von organischen Erzeugnissen mit Giftwirkung und Ausrüstung zum Ausführen dieses Verfahrens Download PDF

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Publication number
EP0235473B1
EP0235473B1 EP86402425A EP86402425A EP0235473B1 EP 0235473 B1 EP0235473 B1 EP 0235473B1 EP 86402425 A EP86402425 A EP 86402425A EP 86402425 A EP86402425 A EP 86402425A EP 0235473 B1 EP0235473 B1 EP 0235473B1
Authority
EP
European Patent Office
Prior art keywords
process according
hydrogen
products
gas
cracking
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.)
Expired
Application number
EP86402425A
Other languages
English (en)
French (fr)
Other versions
EP0235473A1 (de
Inventor
Marc Kazmierczak
Jean-Paul Groo
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.)
Charbonnages de France CDF
Orano DS Demantelement et Services SA
Original Assignee
Charbonnages de France CDF
STMI Societe des Techniques en Milieu Ionisant SPL
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9324361&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0235473(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Charbonnages de France CDF, STMI Societe des Techniques en Milieu Ionisant SPL filed Critical Charbonnages de France CDF
Priority to AT86402425T priority Critical patent/ATE47322T1/de
Publication of EP0235473A1 publication Critical patent/EP0235473A1/de
Application granted granted Critical
Publication of EP0235473B1 publication Critical patent/EP0235473B1/de
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
    • A62D3/20—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by hydropyrolysis or destructive steam gasification, e.g. using water and heat or supercritical water, to effect chemical change
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G9/00—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/20—Organic substances
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/20—Organic substances
    • A62D2101/22—Organic substances containing halogen
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2203/00—Aspects of processes for making harmful chemical substances harmless, or less harmful, by effecting chemical change in the substances
    • A62D2203/10—Apparatus specially adapted for treating harmful chemical agents; Details thereof

Definitions

  • the present invention relates to a process for destroying organic products with toxic effects avoiding pollution of the surrounding environment after an incident, accident or any other case requiring the decommissioning of these products.
  • the invention also relates to installations implementing this method.
  • PCBs polychlorinated biphenyls
  • the present invention proposes to avoid these drawbacks and it provides a process for destroying toxic organic molecules without having the risk of the dangers mentioned above, in particular of the formation of very toxic degradation products, while minimizing the volume of gas released, this process being characterized by the fact that it comprises as main stage a steam cracking operation.
  • this steam cracking is carried out in a reducing medium in the presence of hydrogen.
  • the quantity of hydrogen chosen as the reducing medium is between 1 and 1.5 Nm 3 / kg of product to be treated.
  • the presence of such a reducing medium has the effect of preventing the oxidation of organic products leading to very toxic by-products of the dioxin type in the case of the destruction of a compound of the PCB family.
  • reaction temperature is between 1000 and 1500 ° C.
  • the process is carried out by injecting superheated steam and oxyhydrogen combustion.
  • the quantity of hydrogen necessary for this oxyhydric combustion corresponds to an excess of 2 to 10% compared to the stoichiometric conditions.
  • the invention covers any installation comprising a combustion and mixing chamber with admission of hydrogen, oxygen and water vapor; at least one reactor receiving the mixture resulting from such combustion and the product to be treated and, at the outlet of this reactor, stations for condensing and treating the solid, liquid and gaseous reaction products.
  • the installation shown in the figure consists of a known diffusion burner 1, a combustion and mixing chamber 2, a reactor 3, a condenser 4, a tank 5 for storing products condensates and an evacuation 17 of the gases to a conventional treatment device not shown.
  • the diffusion burner 1 comprises a pipe 6 for injecting hydrogen or nitrogen, a pipe 7 for injecting oxygen or air. These two pipes supply a plurality of diffusers.
  • the diffusion burner 1 also includes a pipe 8 for propane and oxygen injection supplying the ignition pilot flame and a water supply circuit 9 for cooling the burner jacket.
  • the combustion and mixing chamber 2, placed above the burner 1 and comprising a supply of water vapor 10 modulates the temperature and the residence time.
  • the product 11 to be treated is injected, for example pyralene and water vapor 12 serving as carrier gas and steam trap.
  • Product 11 is admitted into an ultrasonic resonance injector requiring an ap point for example water vapor 12, which improves the spraying and thereby the efficiency of the reaction.
  • the chamber 2 and the reactor 3 have nozzles 13 and 13a for thermocouples and operating control manometers.
  • the condenser 4 has in its upper part an inlet for water 15 ensuring the condensation of the water for cooling the gases and an inlet for a basic product 16 for example diluted sodium hydroxide allowing the neutralization of the hydrochloric gas formed in the case treatment of chlorinated products.
  • the decomposition by-products include in particular naphthalene, diphenyl, phenanthrene, fluoranthene, heavy hydrocarbons.
  • the gases released consist of excess hydrogen and light hydrocarbons: C2 / C3 fraction; these gases are burnt in a flare but can advantageously on large units be used as a heat source for the production of water vapor necessary for the process.
  • the sources of hydrogen suitable for carrying out the process can be any, that is to say that the hydrogen can be supplied by an industrial gas (coke oven gas, flue gas ...) or by domestic gas.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Fire-Extinguishing Compositions (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Processing Of Solid Wastes (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Claims (9)

1. Verfahren zum Zerstören von toxisch wirkenden organischen Abfallprodukten der elektrischen, chemischen oder nuklearen Industrie ohne Gefahr der Bildung von ebenfalls toxischen sekundären Zersetzungsprodukten, das als Hauptschritt einen Dampfcrackschritt umfaßt.
2. Verfahren nach Anspruch 1, in welchem dieses Dampfcracken in einem reduzierenden Medium in Anwesenheit von Wasserstoff bewirkt wird.
3. Verfahren nach nach Anspruch 2, in welchem die Wasserstoffmenge 1 bis 1,5 Nm3/kg des zu behandelnden Produktes beträgt.
4. Verfahren nach einem der Ansprüche 2 oder 3, in welchem der erforderliche Wasserstoff von einem Industrie- oder Haushaltsgas geliefert wird.
5. Verfahren nach Anspruch 4, in welchem das Industriegas Kokereigas oder Rauchgas ist.
6. Verfahren nach Anspruch 1, in welchem die Dampfcrackreaktion bei einer Temperatur von 1000 bis 1500°C bewirkt wird.
7. Verfahren nach Anspruch 1, in welchem das Dampfcracken durch oder mit überhitztem Wasserdampf und oxhydrische Verbrennung bewirkt wird.
8. Verfahren nach Anspruch 7, in welchem die zur oxhydrischen Verbrennung notwendige Wasserstoffmenge einem Überschuß von 2, bis 10%, bezogen auf stöchiometrische Bedingungen, entspricht.
9. Vorrichtung zum Durchführen des Verfahrens nach Anspruch 1, die eine Verbrennungs- und Mischkammer mit einem Wasserstoff-, Sauerstoff-und Wasserdampfeinlaß, mindestens einen Reaktor, der die Verbrennungskammer verlassende Mischung und das zu behandelnde Produkt aufnimmt, und am Ablaß dieses Reaktors Einrichtungen zur Kondensation und Behandlung der Reaktionsprodukte umfaßt.
EP86402425A 1985-10-30 1986-10-29 Verfahren zur Vorrichtung von organischen Erzeugnissen mit Giftwirkung und Ausrüstung zum Ausführen dieses Verfahrens Expired EP0235473B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86402425T ATE47322T1 (de) 1985-10-30 1986-10-29 Verfahren zur vorrichtung von organischen erzeugnissen mit giftwirkung und ausruestung zum ausfuehren dieses verfahrens.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8516133 1985-10-30
FR8516133A FR2589372B1 (fr) 1985-10-30 1985-10-30 Procede de destruction de produits organiques a effets toxiques et installation pour la mise en oeuvre de ce procede

Publications (2)

Publication Number Publication Date
EP0235473A1 EP0235473A1 (de) 1987-09-09
EP0235473B1 true EP0235473B1 (de) 1989-10-18

Family

ID=9324361

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86402425A Expired EP0235473B1 (de) 1985-10-30 1986-10-29 Verfahren zur Vorrichtung von organischen Erzeugnissen mit Giftwirkung und Ausrüstung zum Ausführen dieses Verfahrens

Country Status (9)

Country Link
EP (1) EP0235473B1 (de)
JP (1) JPS62127069A (de)
AT (1) ATE47322T1 (de)
AU (1) AU588390B2 (de)
CA (1) CA1289334C (de)
DE (1) DE3666354D1 (de)
ES (1) ES2011454B3 (de)
FR (1) FR2589372B1 (de)
GR (1) GR3000228T3 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3942962A1 (de) * 1989-12-23 1991-06-27 Kammerer F Gmbh Verfahren zum entsorgen von substanzen, die halogenierte kohlenwasserstoffverbindungen oder gemische davon enthalten, und vorrichtung zur durchfuehrung des verfahrens
FR2686347B1 (fr) * 1992-01-22 1994-10-07 Lorraine Carbone Procede de pyrolyse d'effluents fluides et dispositif correspondant.
DE19948203A1 (de) * 1999-10-06 2001-04-12 Solvay Fluor & Derivate Thermische Zersetzung von halogenierten Kohlenstoffverbindungen
JP4695293B2 (ja) * 2001-05-30 2011-06-08 株式会社眞誠 急速冷却装置の凝結液排出装置
CN103958331B (zh) 2011-12-07 2016-05-04 丰田自动车株式会社 车身下部构造
CN113108291B (zh) * 2021-04-22 2022-10-18 红河州现代德远环境保护有限公司 一种火法预处理二氯乙烷装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5530867B2 (de) * 1973-01-16 1980-08-14
NO762638L (no) * 1975-09-15 1977-03-22 Continental Oil Co Fremgangsm}te ved spaltning av halogenerte organiske forbindelser.
US4351978A (en) * 1980-07-21 1982-09-28 Osaka Prefectural Government Method for the disposal of polychlorinated biphenyls
JPH0215225B2 (de) * 1980-12-08 1990-04-11 Ici Australia Ltd

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
La lettre de Sciences et Techniques, Mo. 77, janvier 1987, paragraphe 22 *

Also Published As

Publication number Publication date
ES2011454B3 (es) 1990-01-16
DE3666354D1 (en) 1989-11-23
JPS62127069A (ja) 1987-06-09
ATE47322T1 (de) 1989-11-15
AU588390B2 (en) 1989-09-14
CA1289334C (en) 1991-09-24
AU6449186A (en) 1987-05-07
GR3000228T3 (en) 1991-03-15
FR2589372B1 (fr) 1988-02-05
FR2589372A1 (fr) 1987-05-07
EP0235473A1 (de) 1987-09-09

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