Water treatment chitosan mixture and preparation method thereof
A chitosan and mixture technology, which is applied in the field of water treatment chitosan mixture and its preparation, can solve the problems of strong solubility and weak adsorption capacity of chitosan.
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Embodiment 1
[0028] A kind of water treatment chitosan mixture, by weight, mainly comprises:
[0029] 10 parts of modified bamboo charcoal, 1 part of chitosan, 0.2 part of cinnamaldehyde.
[0030] A kind of preparation method of water treatment chitosan mixture, the preparation method of described water treatment chitosan mixture is:
[0031] (1) Immerse the pretreated bamboo charcoal in a hydrazine solution with 20 times the mass fraction of the bamboo charcoal mass fraction of 20%, after immersion for 6min, carry out microwave preheating, heat under 480W microwave for 8min, cool to room temperature and wash with deionized water for 3 times, pre-modified bamboo charcoal is obtained;
[0032] (2) Disperse the pre-modified bamboo charcoal in a mixed solution of 20 times the mass of the pre-modified bamboo charcoal, stir while microwave heating, heat under 600W microwave for 5min, the stirring rate is 200rpm, stop stirring after stirring for 2min, and heat it while it is hot Filter and pla...
Embodiment 2
[0041] A kind of water treatment chitosan mixture, by weight, mainly comprises:
[0042] 20 parts of modified bamboo charcoal, 2 parts of chitosan, 0.8 part of cinnamaldehyde.
[0043] A kind of preparation method of water treatment chitosan mixture, the preparation method of described water treatment chitosan mixture is:
[0044] (1) Immerse the pretreated bamboo charcoal in 30 times the mass fraction of bamboo charcoal in a hydrazine solution with a mass fraction of 30%. After soaking for 15 minutes, carry out microwave preheating, heat under 560W microwave for 4 minutes, cool to room temperature and wash with deionized water for 5 minutes. times, pre-modified bamboo charcoal is obtained;
[0045] (2) Disperse the pre-modified bamboo charcoal in the mixed liquid of 30 times the mass of the pre-modified bamboo charcoal, stir while microwave heating, heat under 800W microwave for 5min, the stirring rate is 400rpm, stop stirring after stirring for 2min, and heat it while it is...
Embodiment 3
[0054] A kind of water treatment chitosan mixture, by weight, mainly comprises:
[0055] 15 parts of modified bamboo charcoal, 1.5 parts of chitosan, and 0.45 parts of cinnamaldehyde.
[0056] A kind of preparation method of water treatment chitosan mixture, the preparation method of described water treatment chitosan mixture is:
[0057] (1) Immerse the pretreated bamboo charcoal in a hydrazine solution with 25 times the mass fraction of the bamboo charcoal mass fraction of 25%, after soaking for 10min, carry out microwave preheating, heat under 520W microwave for 6min, cool to room temperature and wash with deionized water for 4 times, pre-modified bamboo charcoal is obtained;
[0058] (2) Disperse the pre-modified bamboo charcoal in the mixed solution of 25 times the mass of the pre-modified bamboo charcoal, stir while microwave heating, heat under 700W microwave for 6min, the stirring rate is 300rpm, stop stirring after stirring for 3min, and heat it while it is hot Filt...
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