Hyperbranch-modified PVDF (polyvinylidene fluoride) separation membrane and preparation method thereof
The invention discloses a heavy metal ion adsorption type PVDF (polyvinylidene fluoride) separation membrane, belongs to the technical field of separation membranes and particularly relates to a hyperbranch-modified PVDF separation membrane and a preparation method thereof. The product is characteri...
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| creator | HAN YONGLIANG ZHAO YIPING ZHANG GUIFANG QIN YINGXI CAO XIAOHAO |
| description | The invention discloses a heavy metal ion adsorption type PVDF (polyvinylidene fluoride) separation membrane, belongs to the technical field of separation membranes and particularly relates to a hyperbranch-modified PVDF separation membrane and a preparation method thereof. The product is characterized in that the PVDF separation membrane is prepared by performing hyperbranch modification on the PVDF separation membrane with dendrimer PAMAM (polyamide-amine). The separation membrane has an efficient adsorption function on heavy metal ions such as mercury, copper, lead, cadmium, nickel, molybdenum and the like and has the heavy metal ion adsorption capability remarkably increasing with increase of PAMAM hyperbranch-modified algebra. After the heavy metal ion adsorption type PVDF separation membrane adsorbs heavy metal ions, adsorbed heavy metal ions can be cleaned with a cleaning solution and efficiently recycled, and the membrane can be reused. The water flux of the separation membrane is improved while compa |
| format | Patent |
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The product is characterized in that the PVDF separation membrane is prepared by performing hyperbranch modification on the PVDF separation membrane with dendrimer PAMAM (polyamide-amine). The separation membrane has an efficient adsorption function on heavy metal ions such as mercury, copper, lead, cadmium, nickel, molybdenum and the like and has the heavy metal ion adsorption capability remarkably increasing with increase of PAMAM hyperbranch-modified algebra. After the heavy metal ion adsorption type PVDF separation membrane adsorbs heavy metal ions, adsorbed heavy metal ions can be cleaned with a cleaning solution and efficiently recycled, and the membrane can be reused. 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The product is characterized in that the PVDF separation membrane is prepared by performing hyperbranch modification on the PVDF separation membrane with dendrimer PAMAM (polyamide-amine). The separation membrane has an efficient adsorption function on heavy metal ions such as mercury, copper, lead, cadmium, nickel, molybdenum and the like and has the heavy metal ion adsorption capability remarkably increasing with increase of PAMAM hyperbranch-modified algebra. After the heavy metal ion adsorption type PVDF separation membrane adsorbs heavy metal ions, adsorbed heavy metal ions can be cleaned with a cleaning solution and efficiently recycled, and the membrane can be reused. 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The product is characterized in that the PVDF separation membrane is prepared by performing hyperbranch modification on the PVDF separation membrane with dendrimer PAMAM (polyamide-amine). The separation membrane has an efficient adsorption function on heavy metal ions such as mercury, copper, lead, cadmium, nickel, molybdenum and the like and has the heavy metal ion adsorption capability remarkably increasing with increase of PAMAM hyperbranch-modified algebra. After the heavy metal ion adsorption type PVDF separation membrane adsorbs heavy metal ions, adsorbed heavy metal ions can be cleaned with a cleaning solution and efficiently recycled, and the membrane can be reused. The water flux of the separation membrane is improved while compa</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE |
| title | Hyperbranch-modified PVDF (polyvinylidene fluoride) separation membrane and preparation method thereof |
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