A high temperature resistant fiber filter material for industrial flue gas purification
A high temperature resistant fiber and industrial flue gas technology, applied in the field of air purification, can solve the problems of poor alkali resistance of polyimide fiber, easy oxidation of polyphenylene sulfide fiber, high price of polytetrafluoroethylene, etc., to improve the fabric feel , high-efficiency and low-resistance filtration performance, improve the effect of anti-oxidation
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Embodiment 1
[0028] Dissolve 100g of nanometer sepiolite powder in 1L of distilled water, oscillate to disperse, and let stand. Take the suspension with a uniform color in the upper layer and filter it with suction, dry it, add 1500ml of dilute hydrochloric acid with a mass fraction of 4%, and acidify it at 60°C to remove some impurities in the sepiolite, then wash it repeatedly with distilled water , filtered, dried, and set aside. Take 10g of acidified nano sepiolite and disperse it in 200ml of ethanol / water solution (v / v=1 / 1), add 15g of intercalation agent CTAB, stir mechanically at 80°C for 6h, suction filter through Buchner funnel, and filter The cake was washed with deionized water until there was no chloride ion or bromide ion (tested with 0.1 mol / L silver nitrate solution), dried at 105°C, cooled, and ground to obtain organic intercalation modified nano sepiolite. Disperse 10g of organic intercalated modified sepiolite in 200ml of ethanol / water solution (v / v=1 / 1), add dropwise 10...
Embodiment 2
[0032] Dissolve 100g of nanometer sepiolite powder in distilled water, vibrate to disperse, and let stand. Take the suspension with a uniform color in the upper layer and filter it with suction, dry it, add 1500ml of dilute hydrochloric acid with a mass fraction of 5%, and acidify it at 60°C to remove some impurities in the sepiolite, then wash it repeatedly with distilled water , filtered, dried, and set aside. Take 10g of acidified nano sepiolite and disperse it in 200ml of ethanol / water solution (v / v=1 / 1), add 12g of intercalation agent CTAB, stir mechanically at 80°C for 6h, suction filter through Buchner funnel, and filter The cake was washed with deionized water until there was no chloride ion or bromide ion (tested with 0.1 mol / L silver nitrate solution), dried at 105°C, cooled, and ground to obtain organic intercalation modified nano sepiolite. Disperse 10g of organic intercalation modified sepiolite in 200ml of ethanol / water solution (v / v=1 / 1), add dropwise 100ml of ...
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