Method for preparing textile fiber/graphene/BiVO4/BiPO4 composite environmental catalytic material
A technology of textile fibers and catalytic materials, applied in organic compound/hydride/coordination complex catalysts, chemical instruments and methods, physical/chemical process catalysts, etc. It can effectively remove problems such as accelerating the photocatalytic degradation reaction, facilitate industrial production, and improve the photocatalytic activity.
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Embodiment 1
[0026] (1) Add 230mL of concentrated sulfuric acid and 3g of sodium nitrate into a beaker, cool in an ice-water bath, add 10g of graphite powder while stirring, and after mixing evenly, grind 30g of potassium permanganate into fine powder and slowly add it, and stir and react for 1 hour at 0°C to obtain Graphite intercalation compound; after heating up to 35°C and continuing to react for 30 minutes, add 460mL of deionized water and continue to react for 30 minutes; then add 1400mL of deionized water and 30ml of 30% hydrogen peroxide in sequence, the solution changes from brick red to bright yellow, and continue to react After 10 minutes, filter, wash with 2% dilute hydrochloric acid, and then wash with deionized water several times (8000rpm, 30min), vacuum dry at 50°C to obtain graphene oxide, redisperse graphene oxide in water, and ultrasonicate for 30min. drying the dispersion in a vacuum oven at 40°C to obtain graphene oxide;
[0027](2) Select hemp fiber as a carrier, use ...
Embodiment 2
[0030] (1) Add 240mL of concentrated sulfuric acid and 4.5g of sodium nitrate into a beaker, cool in an ice-water bath, add 10g of graphite powder while stirring, after mixing evenly, grind 40g of potassium permanganate and add slowly, stir and react at 0°C for 1.5h , to obtain a graphite intercalation compound; after heating up to 40°C and continuing the reaction for 45 minutes, 530 mL of deionized water was added, and the reaction was continued for 37 minutes; then 1600 mL of deionized water and 45 ml of 30% hydrogen peroxide were added in sequence, and the solution changed from brick red to bright yellow, After continuing to react for 18 minutes, filter, wash with 3% dilute hydrochloric acid, then centrifuge (8000rpm, 37min) with deionized water several times, dry at 60°C in vacuum to obtain graphene oxide, redisperse graphene oxide in water, and ultrasonically For 340 minutes, dry the dispersion in a vacuum drying oven at 50°C to obtain graphene oxide;
[0031] (2) Select ...
Embodiment 3
[0034] (1) Add 250mL of concentrated sulfuric acid and 6g of sodium nitrate into a beaker, cool in an ice-water bath, add 10g of graphite powder while stirring, and after mixing evenly, grind 50g of potassium permanganate into fine powder and add slowly, then stir and react for 2 hours at 0°C to obtain Graphite intercalation compound; after heating up to 45°C and continuing to react for 60 minutes, add 600mL of deionized water and continue to react for 45 minutes; then add 1800mL of deionized water and 60ml of 30% hydrogen peroxide in sequence, the solution changes from brick red to bright yellow, and continue to react After 25 minutes, filter, wash with 4% dilute hydrochloric acid, then wash with deionized water several times (8000rpm, 45min), vacuum dry at 70°C to obtain graphene oxide, redisperse graphene oxide in water, and ultrasonicate for 50min. Dry the dispersion in a vacuum oven at 60°C to obtain graphene oxide;
[0035] (2) Select silk fiber as a carrier, use acetone...
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