Hemp degumming process
A technology of hemp and process, applied in the field of degumming, can solve the problems of low output of hemp fiber, and achieve the effects of good quality and reduced alkali concentration
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Embodiment 1
[0023] 1) Bind the marijuana with 300 grams each, rinse it three times with tap water, and pack 1500 grams in each cage evenly.
[0024] 2) Smelting at normal temperature and pressure, the smelting formula is: 5% sodium hydroxide, 2% sodium silicate, 2% sodium tripolyphosphate; liquor ratio (ratio of cannabis weight to aqueous solution volume) is 1:15, heat to 90°C, cook for 2 hours, then remove and wash with tap water three times.
[0025] 3) High temperature and high pressure cooking, the cooking formula is: 5% sodium hydroxide, 8% sodium sulfide, 0.02% anthraquinone, 2% sodium silicate, and 2% sodium tripolyphosphate. The bath ratio is 1:4, the heating rate is 3° C. / min, the temperature is raised to 140° C., the pressure is 0.5 MPa, and the temperature is kept for 40 minutes. Take out and wash with hot water.
[0026] 4) Wash the hemp with hot water at 50°C for 3 times, 5 minutes each time.
[0027] 5) Shaking the hemp A shaking machine is used to loosen the lumps of hem...
Embodiment 2
[0031] 1) Bind the marijuana with 300 grams each, rinse it three times with tap water, and pack 1500 grams in each cage evenly.
[0032] 2) Cooking at normal temperature and pressure, the cooking formula is: 5% sodium hydroxide, 2% sodium silicate, and 2% sodium tripolyphosphate; the bath ratio is 1:15, heated to 100°C, boiled for 1 hour, and then Take out and wash with tap water three times.
[0033] 3) High temperature and high pressure cooking, the cooking formula is: 4% sodium hydroxide, 8% sodium sulfide, 0.02% anthraquinone, 2.5% sodium silicate, and 3% sodium tripolyphosphate. The bath ratio is 1:5, the heating rate is 4°C / min, the temperature is raised to 150°C, the pressure is 0.65 MPa, and the temperature is kept for 30 minutes. Take out and wash with hot water.
[0034] 4) Wash the hemp with hot water at 70°C for 3 times, 5 minutes each time.
[0035] 5) Shaking the hemp A shaking machine is used to loosen the lumps of hemp.
[0036] 6) Soften the marijuana with...
Embodiment 3
[0039] 1) Bind the marijuana with 300 grams each, rinse it three times with tap water, and pack 1500 grams in each cage evenly.
[0040] 2) Cooking at normal temperature and pressure, the cooking formula is: 5% sodium hydroxide, 2% sodium silicate, and 2% sodium tripolyphosphate; the bath ratio is 1:15, heated to 95°C, boiled for 1.5 hours, and then Take out and wash with tap water three times.
[0041] 3) High temperature and high pressure cooking, the cooking formula is: 3% sodium hydroxide, 8% sodium sulfide, 0.02% anthraquinone, 3% sodium silicate, and 2.5% sodium tripolyphosphate. The bath ratio is 1:6, the heating rate is 3.5° C. / min, the temperature is raised to 160° C., the pressure is 0.8 MPa, and the temperature is kept for 20 minutes. Take out and wash with hot water.
[0042] 4) Wash the hemp with hot water at 60°C for 3 times, 5 minutes each time.
[0043] 5) Shaking the hemp A shaking machine is used to loosen the lumps of hemp.
[0044] 6) Soften the marijua...
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