Extraction method of eucalyptus bark fibers
An extraction method and technology of eucalyptus bark, which can be used in fiber raw material treatment, cellulose treatment with microorganisms/enzymes, textiles and papermaking, etc., can solve problems such as waste, and achieve the effects of improving quality, uniform length and reducing residual fat rate.
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Embodiment 1
[0027] The extraction method of the eucalyptus bark fiber described in the present embodiment may further comprise the steps:
[0028] (1) cutting the eucalyptus bark to make the eucalyptus bark into thin slices, and the thickness of the thin slices is 0.5mm;
[0029] (2) add deionized water, pectinase, lipase in cylinder, the addition of lipase is 0.5% of deionized water quality, the addition of lipase is 0.8% of deionized water quality, after mixing, Heat to 45°C to maintain a constant temperature, soak the eucalyptus bark fragments in a tank for 2 hours, filter, and then dry them with high-temperature steam at 150°C until the moisture content of the eucalyptus bark drops to 14%;
[0030] (3) Boron trifluoride is modulated into the alcohol solution that concentration is 26%, then brushes on the surface of the dried eucalyptus bark flakes, scrubs the surface of eucalyptus bark flakes after 2h;
[0031] (4) adding concentration is 2.5% potassium carbonate solution in cooking ...
Embodiment 2
[0036] The extraction method of the eucalyptus bark fiber described in the present embodiment may further comprise the steps:
[0037] (1) cutting the eucalyptus bark to make the eucalyptus bark into thin slices, and the thickness of the thin slices is 0.7mm;
[0038] (2) add deionized water, pectinase, lipase in cylinder, the addition of lipase is 0.6% of deionized water quality, the addition of lipase is 1.0% of deionized water quality, after mixing, Heat to 45°C to maintain a constant temperature, put the pieces of eucalyptus bark into the tank to soak for 2.5 hours and then filter, then perform high-temperature steam drying at 165°C until the moisture content of the eucalyptus bark drops to 15%;
[0039] (3) Boron trifluoride is modulated into the alcohol solution that concentration is 26%, then brushes on the surface of the dried eucalyptus bark flakes, scrubs the surface of eucalyptus bark flakes after 3 hours;
[0040] (4) adding concentration is 3.7% potassium carbona...
Embodiment 3
[0045] The extraction method of the eucalyptus bark fiber described in the present embodiment may further comprise the steps:
[0046] (1) cutting the eucalyptus bark to make the eucalyptus bark into thin slices, and the thickness of the thin slices is 1mm;
[0047] (2) add deionized water, pectinase, lipase in cylinder, the addition of lipase is 0.7% of deionized water quality, the addition of lipase is 1.2% of deionized water quality, after mixing, Heat to 45°C to maintain a constant temperature, soak the pieces of eucalyptus bark in a tank for 3 hours, then filter, and then dry them with high-temperature steam at 180°C until the moisture content of the eucalyptus bark drops to 16%;
[0048] (3) Boron trifluoride is modulated into the alcohol solution that concentration is 26%, then brushes on the surface of the dried eucalyptus bark flakes, scrubs the surface of eucalyptus bark flakes after 4h;
[0049] (4) adding concentration is 4.3% potassium carbonate solution in cooki...
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