Method for cleaning and degumming high-lignin raw material
A lignin and raw material technology, applied in the field of textile industry, can solve the problems of ineffective lignin removal, unsatisfactory hemp fiber degumming effect, and inability to remove lignin components, etc., to achieve less chemical consumption and waste water treatment The effect of low difficulty and small amount of chemical reagents
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Embodiment 1
[0043] Raw materials and origin: 500kg apocynum raw hemp, Xinjiang
[0044] The separation method is as follows:
[0045] First step, mechanical dispersion step
[0046] Use the hemp peeling machine to process the stems and leaves of the original hemp crop into hemp coarse fibers with a diameter of about 1mm;
[0047] The second step, microwave digestion processing step
[0048] Immerse the hemp crude fiber into the microwave digestion solution, put it into the microwave digestion tank, then put it into the microwave digestion device, set the microwave digestion program, heat up to 120°C within 15 minutes, keep it warm for 5-20 minutes, and then slowly cool down to 70°C , taking out the hemp crude fiber wherein, using 10 times of methanol to filter the hemp crude fiber to obtain the processed hemp crude fiber;
[0049] The mass ratio of each component of above-mentioned to-be-processed hemp crude fiber and microwave digestion solution is:
[0050] Hemp crude fiber to be trea...
Embodiment 2
[0060] Raw materials and origin: 500g ramie raw hemp, Hunan
[0061] The separation method is as follows:
[0062] First step, mechanical dispersion step
[0063] Use the hemp peeling machine to process the stems and leaves of the original hemp crop into hemp coarse fibers with a diameter of about 1mm;
[0064] The second step, microwave digestion processing step
[0065] Immerse the hemp crude fiber into the microwave digestion solution, put it into the microwave digestion tank, then put it into the microwave digestion device, set the microwave digestion program, heat up to 120°C within 15 minutes, keep it warm for 5-20 minutes, and then slowly cool down to 70°C , taking out the hemp crude fiber wherein, using 10 times of methanol to filter the hemp crude fiber to obtain the processed hemp crude fiber;
[0066] The mass ratio of each component of above-mentioned to-be-processed hemp crude fiber and microwave digestion solution is:
[0067] Hemp crude fiber to be treated: ...
Embodiment 3
[0077] Raw materials and origin: 500g kenaf raw hemp, Xinjiang
[0078] The separation method is as follows:
[0079] First step, mechanical dispersion step
[0080] Use the hemp peeling machine to process the stems and leaves of the original hemp crop into hemp coarse fibers with a diameter of about 1mm;
[0081] The second step, microwave digestion processing step
[0082] Immerse the hemp crude fiber into the microwave digestion solution, put it into the microwave digestion tank, then put it into the microwave digestion device, set the microwave digestion program, heat up to 120°C within 15 minutes, keep it warm for 5-20 minutes, and then slowly cool down to 70°C , taking out the hemp crude fiber wherein, using 10 times of methanol to filter the hemp crude fiber to obtain the processed hemp crude fiber;
[0083] The mass ratio of each component of above-mentioned to-be-processed hemp crude fiber and microwave digestion solution is:
[0084] Hemp crude fiber: methanol: g...
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