Title:
STEAM STRIPPING OF CHLORINATED PHENOLS
Document Type and Number:
WIPO Patent Application WO/2003/013749
Kind Code:
A1
Abstract:
The invention provides a process for the removal of one or more chlorinated phenols, such as pentachlorophenol (PCP) or tetra chlorophenol (TCP), from a solid matrix, such as soil. The process includes contacting the solid matrix at a pH less than 5, preferably less than 2, with steam at a temperature of at least 100 °C to give a steam/chlorinated phenol mixture and then allowing the mixture to condense giving a distillate containing water and the one or more chlorinated phenols.
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Inventors:
Fitzpatrick, Michael George (731 South Titirangi Road, Titirangi, Auckland, NZ)
Application Number:
PCT/NZ2002/000127
Publication Date:
February 20, 2003
Filing Date:
July 24, 2002
Export Citation:
Assignee:
Fitzpatrick, Michael George (731 South Titirangi Road, Titirangi, Auckland, NZ)
International Classes:
B09C1/06; C07C37/76; C07C39/34; C07C39/36; B09C1/00; C07C37/00; C07C39/00; (IPC1-7): B09C1/00; C07C37/76; C07C39/34; C07C39/36
Attorney, Agent or Firm:
Lynch, Gregory Paul (Baldwin Shelston Waters, P.O. Box 852, Wellington, NZ)
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