CA2127242C - Extraction de contaminants organiques toxiques a partir du bois - Google Patents

Extraction de contaminants organiques toxiques a partir du bois Download PDF

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Publication number
CA2127242C
CA2127242C CA002127242A CA2127242A CA2127242C CA 2127242 C CA2127242 C CA 2127242C CA 002127242 A CA002127242 A CA 002127242A CA 2127242 A CA2127242 A CA 2127242A CA 2127242 C CA2127242 C CA 2127242C
Authority
CA
Canada
Prior art keywords
wood
process according
extraction
pentachlorophenol
contaminants
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 - Lifetime
Application number
CA002127242A
Other languages
English (en)
Other versions
CA2127242A1 (fr
Inventor
John N.R. Ruddick
Futong Cui
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.)
Bell Canada Inc
Original Assignee
Bell Canada Inc
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 Bell Canada Inc filed Critical Bell Canada Inc
Priority to CA002127242A priority Critical patent/CA2127242C/fr
Priority to CA002479571A priority patent/CA2479571C/fr
Publication of CA2127242A1 publication Critical patent/CA2127242A1/fr
Application granted granted Critical
Publication of CA2127242C publication Critical patent/CA2127242C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
    • C07C39/24—Halogenated derivatives
    • C07C39/26—Halogenated derivatives monocyclic monohydroxylic containing halogen bound to ring carbon atoms
    • C07C39/27—Halogenated derivatives monocyclic monohydroxylic containing halogen bound to ring carbon atoms all halogen atoms being bound to ring carbon atoms
    • C07C39/36—Pentachlorophenol
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/91—Dibenzofurans; Hydrogenated dibenzofurans
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D319/10—1,4-Dioxanes; Hydrogenated 1,4-dioxanes
    • C07D319/14—1,4-Dioxanes; Hydrogenated 1,4-dioxanes condensed with carbocyclic rings or ring systems
    • C07D319/24—[b,e]-condensed with two six-membered rings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA002127242A 1994-06-30 1994-06-30 Extraction de contaminants organiques toxiques a partir du bois Expired - Lifetime CA2127242C (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA002127242A CA2127242C (fr) 1994-06-30 1994-06-30 Extraction de contaminants organiques toxiques a partir du bois
CA002479571A CA2479571C (fr) 1994-06-30 1994-06-30 Extraction de contaminants organiques toxiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002127242A CA2127242C (fr) 1994-06-30 1994-06-30 Extraction de contaminants organiques toxiques a partir du bois

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002479571A Division CA2479571C (fr) 1994-06-30 1994-06-30 Extraction de contaminants organiques toxiques

Publications (2)

Publication Number Publication Date
CA2127242A1 CA2127242A1 (fr) 1995-12-31
CA2127242C true CA2127242C (fr) 2006-12-19

Family

ID=4153940

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002479571A Expired - Lifetime CA2479571C (fr) 1994-06-30 1994-06-30 Extraction de contaminants organiques toxiques
CA002127242A Expired - Lifetime CA2127242C (fr) 1994-06-30 1994-06-30 Extraction de contaminants organiques toxiques a partir du bois

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002479571A Expired - Lifetime CA2479571C (fr) 1994-06-30 1994-06-30 Extraction de contaminants organiques toxiques

Country Status (1)

Country Link
CA (2) CA2479571C (fr)

Also Published As

Publication number Publication date
CA2479571C (fr) 2006-08-01
CA2479571A1 (fr) 1995-12-31
CA2127242A1 (fr) 1995-12-31

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Effective date: 20140630