Water hyacinth compound non-woven adsorption material and preparation method thereof
An adsorption material, water hyacinth technology, applied in separation methods, chemical instruments and methods, adsorbed water/sewage treatment, etc., can solve the problems of low comprehensive utilization efficiency of water hyacinth and limited application range, and solve the problem of water pollution. , The effect of improving the ecological environment and not easy to be lost
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Embodiment 1
[0035] After the fresh water hyacinth salvaged out of the water is aired to a water content of 5%, the stem is taken and cut longitudinally to form thin strips of dry water hyacinth with a length of 10 cm. Put the above-mentioned dry water hyacinth into the lye solution with an initial temperature of 20°C for cooking, and stir and heat up to 95°C at a heating rate of 2°C / min, then, after constant temperature cooking for 1 hour, finally rinse with water 10 times to Neutral to obtain water hyacinth fiber suspended in water, wherein the weight ratio of water hyacinth to lye cooking liquid is 1:15; another 4g of NaOH, 1.5g of sodium sulfite and 1.5g of sodium polyphosphate are weighed and put into 1 liters of water, the preparation of lye boiled liquid.
[0036] Use a 60-mesh screen to pick up the above-mentioned water hyacinth fibers suspended in water after boiling with lye to form a wet net layer, and then use 70°C hot air for dust-free drying to obtain a thickness of 1mm and a...
Embodiment 2
[0040] After the fresh water hyacinth salvaged out of the water is aired to a water content of 8%, the stem is taken and cut longitudinally to form thin strips of dry water hyacinth with a length of 15 cm. Put the above-mentioned dry water hyacinth into the lye solution with an initial temperature of 20°C for cooking, and stir and heat up to 98°C at a heating rate of 4°C / min, then, after constant temperature cooking for 1.5 hours, finally rinse with water 8 times to Neutral to obtain water hyacinth fiber suspended in water, wherein the weight ratio of water hyacinth to lye cooking liquid is 1:20; another 4.5g of NaOH, 2.0g of sodium sulfite and 2.0g of sodium polyphosphate are weighed and put into 1 liter of water to prepare the lye boiled liquid.
[0041] Use an 80-mesh screen to pick up the above-mentioned water hyacinth fiber suspended in water after lye cooking to form a wet net layer, and then use 80°C hot air to carry out dust-free drying to obtain a thickness of 2mm and...
Embodiment 3
[0045] After the fresh water hyacinth salvaged out of the water is aired until the water content is 10%, the stem is taken and cut longitudinally to form thin strips of dry water hyacinth with a length of 15 cm. Put the above-mentioned dry water hyacinth into the lye solution with an initial temperature of 20°C for cooking, and stir and heat up to 100°C at a heating rate of 5°C / min, then, after constant temperature cooking for 1.5 hours, finally rinse with water 10 times to Neutral to obtain water hyacinth fiber suspended in water, wherein the weight ratio of water hyacinth to lye cooking liquid is 1:25; in addition, take 5g of NaOH, 2.5g of sodium sulfite and 2.5g of sodium polyphosphate, put 1 liters of water, the preparation of lye boiled liquid.
[0046] Use a 100-mesh screen to pick up the above-mentioned water hyacinth fibers suspended in water after boiling with lye to form a wet net layer, and then use 100°C hot air to carry out dust-free drying to obtain a thickness o...
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Abstract
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