Preparation of compound filter material for removing drinking water disinfection by-products
A technology of disinfection by-products and composite filter materials, which can be used in descaling, water softening, filtration separation, membrane filters, etc. It can solve the problems of poor removal of disinfection by-products and short service life of filter materials, and achieve efficient water purification Effect, increase adsorption saturation, good removal effect
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Embodiment 1
[0019] A preparation of a composite filter material for removing disinfection by-products of drinking water, comprising the steps of:
[0020] (1) First prepare the following raw materials according to mass calculation: 15 parts of peanut shell activated carbon, 12 parts of modified activated carbon, 10 parts of far-infrared sintered balls, 5 parts of quartz sand, 13 parts of ceramsite filter material, 5 parts of asbestos, 5 parts of pomegranate Stone, 3 parts of strong alkali, 7 parts of glycerin, 12 parts of corrosion and scale inhibitor, 5 parts of bactericide, 30 parts of deionized water;
[0021] (2) Preparation of modified activated carbon: the modified activated carbon is sodium carbonate modified activated carbon, specifically with common fruit shell activated carbon washed with distilled water and soaked for 15h, then dried at a temperature of 100°C for 15h, and then washed with 8% carbonic acid Soak in sodium solution for 10 hours, and dry at 80°C to obtain modified ...
Embodiment 2
[0029] A preparation of a composite filter material for removing disinfection by-products of drinking water, comprising the steps of:
[0030] (1) First prepare the following raw materials according to mass calculation: 25 parts of peanut shell activated carbon, 22 parts of modified activated carbon, 15 parts of far-infrared sintered balls, 15 parts of quartz sand, 24 parts of ceramsite filter material, 8 parts of asbestos, 10 parts of pomegranate Stone, 8 parts of strong alkali, 15 parts of glycerin, 15 parts of corrosion and scale inhibitor, 11 parts of sterilizer, 50 parts of deionized water;
[0031] (2) Preparation of modified activated carbon: the modified activated carbon is sodium carbonate modified activated carbon, specifically with common fruit shell activated carbon washed with distilled water and soaked for 18h, then dried at a temperature of 120°C for 22h, and then dried with 8% carbonic acid Soak in sodium solution for 15 hours, and dry at 100°C to obtain modifi...
Embodiment 3
[0039] A preparation of a composite filter material for removing disinfection by-products of drinking water, comprising the steps of:
[0040] (1) First prepare the following raw materials according to mass calculation: 22 parts of peanut shell activated carbon, 16 parts of modified activated carbon, 12 parts of far-infrared sintered balls, 8 parts of quartz sand, 20 parts of ceramsite filter material, 7 parts of asbestos, 8 parts of pomegranate Stone, 5 parts of strong alkali, 12 parts of glycerin, 14 parts of corrosion and scale inhibitors, 8 parts of bactericide, 40 parts of deionized water;
[0041] (2) Preparation of modified activated carbon: the modified activated carbon is sodium carbonate modified activated carbon, specifically, after washing and soaking in distilled water for 16 hours with common fruit shell activated carbon, dry it at a temperature of 110° C. for 18 hours, and then use 8% carbonic acid Soak in sodium solution for 13 hours, and dry at 90°C to obtain ...
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