Method for dispersing and recovering nano material in water phase based on environmental response polymer
An environment-responsive, nano-material technology, applied in special compound water treatment, chemical instruments and methods, water pollutants, etc., can solve the problems of low dispersibility of nano-materials, difficulty in separation and recovery, etc., and achieve improvement in difficult recovery, temperature control, etc. Reduced energy consumption and improved dispersion
Inactive Publication Date: 2021-06-18
NORTHWEST UNIV
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Abstract
The invention discloses a method for dispersing and recovering a nanometer material in a water phase based on an environmental response polymer, and belongs to the technical field of nanometer material dispersion and recovery. The method comprises the following steps: adding a nano material into an aqueous solution containing pollutants to obtain a mixed system; uniformly dispersing an environment response polymer in the obtained mixed system to help the nanometer material to be dispersed so as to obtain a uniform dispersion system; and uniformly dispersing an inorganic salt in the obtained uniform dispersion system, carrying out environmental response treatment and oscillation treatment, and collecting after a floating layer appears on the surface of an aqueous solution, so that recovery of the nano adsorption material in the aqueous phase is achieved. According to the treatment method disclosed by the invention, the dispersibility of the nano material in the aqueous solution can be improved by utilizing the environmental response polymer, and the nano material is collected by utilizing the environmental response polymer, so that the treatment method for dispersing and recovering the nano material in the aqueous phase based on the environmental response polymer is high in collection efficiency, simple and rapid to operate and low in cost.
Application Domain
Other chemical processesWater treatment compounds +2
Technology Topic
PollutantEnvironmental chemistry +7
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PUM
Property | Measurement | Unit |
Adsorption capacity | 95.0 | mg/g |
Adsorption capacity | 50.71 | mg/g |
Adsorption capacity | 29.0 | mg/g |
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