Modified cellulose fibers and preparation method
AssigneeTechnische UniversitäT Berlin
InventorsThomas Kunz, Niklas Ole Brandt, Frank-Jürgen Methner
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Abstract
The invention relates to a method for the preparation of modified cellulose fibers for artificial clarification of active haze substances from liquids. In addition, the invention relates to a modified cellulose fiber obtained by the method according to the invention for artificial clarification of active haze substances from a liquid, and to auxiliary filtering means containing one or more of the modified cellulose fibers.
Claims13
A method for producing modified cellulose fibers for artificial clarification of turbidity-causing substances from beverages for human consumption, the method comprising the following steps:
- preparing a fiber mixture comprising 80-99.9 wt % cellulose fibers, 0.1-10 wt % sodium croscarmellose and 0-10 wt % of one or more additives;
- swelling and adjusting the volume and pH of the fiber mixture in a neutral to alkaline medium;
- heating the fiber mixture;
- washing the cooked fiber mixture to obtain a moist mass of the modified cellulose fibers;
- and,
- isolating the modified cellulose fibers to obtain a resulting finished fibers mixture for treatment for clarification of beverages for human consumption.
A method for producing modified cellulose fibers for artificial clarification of turbidity-causing substances from liquids, the method comprising the following steps:
- preparing a fiber mixture comprising 80-99.9 wt % cellulose fibers, 0.1-10 wt % sodium croscarmellose and 0-10 wt % of one or more additives;
- swelling and adjusting the volume and pH of the fiber mixture in a neutral to alkaline medium;
- heating the fiber mixture;
- washing the cooked fiber mixture to obtain a moist mass of the modified cellulose fibers;
- and,
- isolating the modified cellulose fibers to obtain a resulting finished fibers mixture,
- wherein the finished fiber mixture is processed in an additional method step using the moist mass to form filter aids and/or filter sheets.
Dependencies are inferred from the claim text.