Method for processing livestock hair keratin with ultrasonic
A keratin and ultrasonic technology is applied in the field of preparing keratin from livestock and poultry hair to achieve the effects of shortening hydrolysis time, reducing environmental pollution and reducing usage
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[0030] Example 1
[0031] The other raw materials and preparation methods thereof used for the preparation of livestock and poultry hair keratin liquid 5g of livestock and poultry hair raw materials as an example are as follows:
[0032] 1. Preparation of keratin stock solution by reduction hydrolysis method
[0033] Reductive hydrolysis method: weigh 5 g of washed and dried livestock and poultry hair into a flask, add 90 g of water and 4 g of sodium sulfite to mix, stir for 0.5 to 2 hours, filter out the livestock and poultry hair, wash it with deionized water, add 75 g of water and 3 g of hydrogen Sodium oxide, heated to 90° C. for 3.5 hours with stirring, to prepare a keratin stock solution.
[0034] 2. Ultrasonic treatment
[0035] The keratin stock solution prepared in step 1 was irradiated with ultrasonic waves with a power of 600 W for 3 minutes to prepare a keratin solution of livestock and poultry hair.
[0036] 3. Dry
[0037] The livestock and poultry hair kerat...
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[0038] Example 2
[0039] The other raw materials and preparation methods thereof used for the preparation of livestock and poultry hair keratin liquid 5g of livestock and poultry hair raw materials as an example are as follows:
[0040] In the process step 1 of preparing the keratin stock solution by the reductive hydrolysis method of Example 1, 5 g of washed and dried livestock and poultry hair was placed in a flask, 50 g of water and 0.05 g of sodium sulfite were added to mix, stirred for 0.5 to 2 hours, and the livestock and poultry hair was filtered out. , and washed with deionized water, added 50 g of water and 0.5 g of sodium hydroxide, heated to 70° C. for 4.5 hours under stirring, and prepared a keratin stock solution. In step 2 of the ultrasonic treatment process, the keratin stock solution prepared in step 1 is irradiated with ultrasonic waves with a power of 400W for 6 minutes to prepare a keratin solution of livestock and poultry hair. In step 3 of the drying pro...
Example Embodiment
[0041] Example 3
[0042] The other raw materials and preparation methods thereof used for the preparation of livestock and poultry hair keratin liquid 5g of livestock and poultry hair raw materials as an example are as follows:
[0043]In the process step 1 of preparing the keratin stock solution by the reductive hydrolysis method of Example 1, 5 g of washed and dried livestock and poultry hair was placed in a flask, 100 g of water and 7.5 g of sodium sulfite were added to mix, stirred for 0.5 to 2 hours, and the livestock and poultry hair was filtered out. , and washed with deionized water, added 100 g of water and 5 g of sodium hydroxide, heated to 100° C. for 2 hours under stirring, and made a keratin stock solution. In step 2 of the ultrasonic treatment process, the keratin stock solution prepared in step 1 is irradiated with ultrasonic waves with a power of 400W for 5 minutes to prepare a keratin solution of livestock and poultry hair. In step 3 of the drying process, t...
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