Color of tall oil fractions by treating soap skimmings

Details Color of tall oil fractions by treating soap skimmings Color of tall oil fractions by treating soap skimmings

C - Chemistry, Metallurgy

09

F

C09F 1/02 (2006.01) C11B 13/00 (2006.01)

Patent

CA 2074232

The color and color stability of tall oil fractions are improved and the odor and sulfur content are reduced by treating the heated black liquor soap skimmings prior to acidulation with 1.0 to 1.5 wt. % hydrogen peroxide for at least one minute.

Amélioration de la couleur et de la stabilité de la couleur de fractions de tallöll, et atténuation de leur odeur et de leur teneur en soufre grâce au traitement de l'écume de liqueur noire chauffée, avant son acidulation, avec 1,0 à 1,5 % en poids de peroxyde d'hydrogène pendant au moins une minute.

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