B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 15/00 (2006.01) B01J 20/00 (2006.01) C09K 3/32 (2006.01)
Patent
CA 2418443
The present invention provides a method of treating fats and oils containing low concentration aromatic halogen compounds which could remove the aromatic halogen compound contaminant efficiently from the oil and fats. The fats and oils are treated with an adsorbing agent comprising a porous body and a non-protonic polar solvent held in the interiors of fine pores in the porous body, with contaminated fats and oils containing organic pollutants, and adsorbing the pollutants in the non-protonic polar solvent in the porous body. The other method of treating fats and oils is comprising an adsorbing step of contacting fats and oils containing aromatic halogenated compounds with an adsorbing agent comprising a solid acid to adsorb the aromatic halogenated compounds onto the adsorbing agent, and a step of contacting the adsorbing agent with an organic solvent to extract the aromatic halogenated compounds adsorbed on the adsorbing agent into the organic solvent.
Kon Masao
Maezawa Yukishige
Muramatsu Takehiko
Nakajoh Katsuhiko
Nishizawa Katsushi
Fetherstonhaugh & Co.
Kabushiki Kaisha Toshiba
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