Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Treatment with particular chemical
Patent
1986-09-29
1988-09-27
Nielsen, Earl
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
Treatment with particular chemical
162 79, 530500, 530506, D21C 300
Patent
active
047739665
ABSTRACT:
A method is disclosed to degrade lignin comprising reacting the lignin in a liquid medium under aerobic conditions with an amount of persulfate anion and a transition metal cation effective to catalyze the oxidative degradation of the lignin.
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Kirk & Chang (Enzyme Microb. Technol., 1981, 3: 189-196).
Tien & Kirk (Proc. Natl. Acad. Sci., 1984, 81: 2280-2284).
Nielsen Earl
Regents of the University of Minnesota
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