Method for removing fatty acid from textile industry wastewater by using acid-base modified porous boron nitride
A technology for textile wastewater and boron nitride, applied in the field of environmental chemistry, can solve the problems of less research on acid-base modification, and achieve the effects of regular structure, high preparation success rate and sufficient contact.
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Embodiment 1
[0027] A method for removing fatty acid from textile industry wastewater
[0028] (1) Mix 3.18g of boric acid and 1.59g of melamine, fully dissolve in a sufficient amount of deionized water, seal with a plastic wrap and shake in a constant temperature shaker at 85°C for 2h.
[0029] (2) Stop vibrating, vacuum filter at room temperature after cooling, dry in an oven at 105° C. for 12 hours after the filter is completed, and grind after cooling down to obtain a white powder.
[0030] (3) Weigh the white powder in the step (2) of 0.2g and spread it in the corundum boat (Al 2 o 3 ), holding it loose with a spatula.
[0031] (4) Put the corundum boat filled with white powder into a tube furnace and activate at 1350°C for 4 hours at a high temperature. The activation reaction is carried out under a nitrogen protective atmosphere with an air flow of 100ml / min and a heating rate of 5°C. / min. Put 10g of the above-mentioned boron nitride into 100ml of 2% NaOH solution and soak for ...
Embodiment 2
[0037] (1) Mix 3.18g of boric acid and 1.59g of melamine, fully dissolve in a sufficient amount of deionized water, seal with a plastic wrap and shake in a constant temperature shaker at 85°C for 2h.
[0038] (2) Stop vibrating, vacuum filter at room temperature after cooling, dry in an oven at 105° C. for 12 hours after the filter is completed, and grind after cooling down to obtain a white powder.
[0039] (3) Weigh the white powder in the step (2) of 0.2g and spread it in the corundum boat (Al 2 o 3 ), holding it loose with a spatula.
[0040] (4) Put the corundum boat filled with white powder into a tube furnace and activate at 1350°C for 4 hours at a high temperature. The activation reaction is carried out under a nitrogen protective atmosphere with an air flow of 100ml / min and a heating rate of 5°C. / min. To obtain a white powdery substance, put 10 g of the above-mentioned boron nitride into 50 ml of 2% NaOH solution and soak for 4 h, and record it as BN.
[0041] (5...
Embodiment 3
[0044] (1) Mix 3.18g of boric acid and 1.59g of melamine, fully dissolve in a sufficient amount of deionized water, seal with a plastic wrap and shake in a constant temperature shaker at 85°C for 2h.
[0045] (2) Stop vibrating, vacuum filter at room temperature after cooling, dry in an oven at 105° C. for 12 hours after the filter is completed, and grind after cooling down to obtain a white powder.
[0046](3) Weigh the white powder in the step (2) of 0.2g and spread it in the corundum boat (Al 2 o 3 ), holding it loose with a spatula.
[0047] (4) Put the corundum boat filled with white powder into a tube furnace and activate it at 1350°C for 4 hours at a high temperature. The activation reaction is carried out under the protective atmosphere of nitrogen, and the air flow is 100ml / min, and the heating rate is set at 5°C. / min, a white powdery substance is obtained, which is denoted as BN. Weigh 100g of boron nitride, boil for 30min, rinse with deionized water, dry for 24h...
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