Process for the recovery of tyrosol and hydroxytyrosol from...

Details Process for the recovery of tyrosol and hydroxytyrosol from... Process for the recovery of tyrosol and hydroxytyrosol from...

2005-08-05

2008-09-23

Menon, Krishnan S (Department: 1797)

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

C210S635000, C210S638000, C210S644000, C210S649000, C210S650000, C210S652000, C210S653000, C210S656000

Reexamination Certificate

active

07427358

ABSTRACT:
A for preparing Tyrosol and/or Hydroxytyrosol from oil mill wastewaters.includes:a) Microfiltration (MF), Ultrafiltration (UF). Nanofiltration (NF) and Reverse Osmosis (RO) of the OMW;b) Separation of Tyrosol, Hydroxytyrosol and other phenolic compounds from the concentrated RO;c) Oxidation of the obtained Tyrosol to Hydroxytyrosol in the presence of methyl rhenium trioxide and of hydrogen peroxide in a protic solvent.

REFERENCES:
patent: 6454946 (2002-09-01), DeFrees
patent: 6936173 (2005-08-01), DeFrees
patent: 7282150 (2007-10-01), Kuriki et al.
patent: 2003/0029799 (2003-02-01), DeFrees
patent: 2003/0125573 (2003-07-01), Millis et al.
patent: 2003/0144562 (2003-07-01), Afzali-Ardakani et al.
patent: 2005/0103711 (2005-05-01), Emmons et al.
patent: 2005/0269265 (2005-12-01), DeFrees

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