Oil-tea camellia fruit shell semi-chemical pulp preparing process
A technology of camellia oleifera husk and semi-chemical pulp, which is applied in textiles and papermaking, fiber raw material treatment, fiber raw material, etc., to achieve the effects of protecting the natural environment, low production cost, and easy large-scale production
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Embodiment 1
[0033]The camellia oleifera husk raw material is crushed and dedusted, and then the hot water obtained by recovering heat energy from the alkali recovery workshop is used to pre-extract the camellia oleifera husk to remove part of the resin, tannin, and polysaccharides. The Camellia oleifera husk pre-extracted by hot water is sent to a screw extruder for extrusion pretreatment, and at the same time, 0.1% of the weight of the dry camellia oleifera husk is added with sodium lauryl sulfate cooking penetrant and cooking liquid for further processing. Alkaline cooking; the composition of the cooking liquid and the cooking process are as follows: the amount of alkali (calculated as NaOH) is 8%; the amount of AQ is 0.05%; the ratio of liquid to liquid is 1:4; The minimum steam release time is 10 minutes, and the heat preservation time is 60 minutes. After the cooking is completed, the material is discharged by decompression spraying, and the sprayed slurry is sent to two series-conne...
Embodiment 2
[0035] The camellia oleifera husk raw material is crushed and dedusted, and then the hot water obtained by recovering heat energy from the alkali recovery workshop is used to pre-extract the camellia oleifera husk to remove part of the resin, tannin, and polysaccharides. The Camellia oleifera husk pre-extracted by hot water is sent to the screw extruder for extrusion pretreatment, and at the same time, 0.2% of the weight of the dry camellia oleifera husk is added with sodium dodecylbenzenesulfonate cooking penetrating agent and cooking medicine Alkaline cooking of liquid; the composition and cooking process of the cooking liquid are as follows: the amount of alkali (calculated as NaOH) is 10%; the amount of AQ is 0.05%; the ratio of liquid to liquid is 1:5; 60min, minimum steam release time 15min, holding time: 60min. After the cooking is completed, the material is discharged by decompression spraying, and the sprayed slurry is sent to two series-connected twin-roll presses fo...
Embodiment 3
[0037] The camellia oleifera husk raw material is crushed and dedusted, and then the hot water obtained by recovering heat energy from the alkali recovery workshop is used to pre-extract the camellia oleifera husk to remove part of the resin, tannin, and polysaccharides. Camellia oleifera husk pre-extracted by hot water is sent to a screw extruder for extrusion pretreatment, and at the same time, 0.2% of the weight of the dry camellia oleifera husk is mixed with sodium lauryl sulfate and OP-10 cooking penetrant and cooking liquid are used for alkaline cooking. The composition of the cooking liquid and the cooking process are as follows: the amount of alkali (calculated as NaOH) is 12%; the amount of AQ is 0.05%; the ratio of liquid to liquid is 1:6; Temperature: 155°C, heating time: 75min, small steam release time: 15min, holding time: 60min. After the cooking is completed, the material is discharged by decompression spraying, and the sprayed slurry is sent to two series-conne...
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