Preparation method of self-cleaning fibers
A self-cleaning, fiber-based technology, applied in chemical instruments and methods, special compound water treatment, water/sludge/sewage treatment, etc., to achieve the effect of avoiding the separation process and high strength
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Embodiment 1
[0017] A method for preparing self-cleaning fibers mainly includes the following steps.
[0018] Step 1: Synthesize active precursor solution.
[0019] (1) Add 12g sodium metavanadate and 2g disodium edetate to 300mL deionized water, stir to dissolve, then add 1mol / L hydrochloric acid solution dropwise until the pH value of the solution is 5 to form solution A.
[0020] (2) Add 6 g of bismuth nitrate pentahydrate, 3 g of neodymium nitrate and 2.5 g of sodium bicarbonate into 200 mL of deionized water, stir and dissolve to form solution B.
[0021] (3) Mix solution A and solution B and stir evenly to prepare an active precursor solution.
[0022] Step 2: Fiber Lamination.
[0023] (1) Move the active precursor solution into a stainless steel hydrothermal reaction kettle, immerse 2g of aluminum silicate fiber in the solution, seal the reaction kettle, react at 200°C for 50h, cool down, and take out the fiber.
[0024] (2) Rinse the fibrous material with deionized water, dry a...
Embodiment 2
[0031] A method for preparing self-cleaning fibers mainly includes the following steps.
[0032] Step 1: Synthesize active precursor solution.
[0033] (1) Add 13g sodium metavanadate and 2.5g disodium edetate to 300mL deionized water, stir to dissolve, then add 1mol / L hydrochloric acid solution dropwise until the pH value of the solution is 5 to form solution A.
[0034] (2) Add 7 g of bismuth nitrate pentahydrate, 4 g of neodymium nitrate and 2.7 g of sodium bicarbonate into 200 mL of deionized water, stir and dissolve to form solution B.
[0035] (3) Mix solution A and solution B and stir evenly to prepare an active precursor solution.
[0036] Step 2: Fiber Lamination.
[0037] (1) Move the active precursor solution into a stainless steel hydrothermal reaction kettle, immerse 2g of aluminum silicate fiber in the solution, seal the reaction kettle, react at 210°C for 50h, cool down, and take out the fiber.
[0038] (2) Rinse the fibrous material with deionized water, dry...
Embodiment 3
[0041] A method for preparing self-cleaning fibers mainly includes the following steps.
[0042] Step 1: Synthesize active precursor solution.
[0043] (1) Add 15g sodium metavanadate and 3g disodium edetate to 300mL deionized water, stir to dissolve, then add 1mol / L hydrochloric acid solution dropwise until the pH value of the solution is 5 to form solution A.
[0044] (2) Add 8 g of bismuth nitrate pentahydrate, 6 g of neodymium nitrate and 3 g of sodium bicarbonate into 200 mL of deionized water, stir and dissolve to form solution B.
[0045] (3) Mix solution A and solution B and stir evenly to prepare an active precursor solution.
[0046] Step 2: Fiber Lamination.
[0047] (1) Move the active precursor solution into a stainless steel hydrothermal reaction kettle, immerse 2g of aluminum silicate fiber in the solution, seal the reaction kettle, react at 220°C for 50h, cool down, and take out the fiber.
[0048] (2) Rinse the fibrous material with deionized water, dry at ...
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