Confining a spent lead sorbent in a polymer made by inverse vulcanization prevents leaching
Sustainable Materials and Technologies(2020)
摘要
The capture of heavy metal pollution in water is important for ensuring environmental and public health. In this study, a sorbent comprised of powdered activated carbon and a sustainable polysulfide polymer made by inverse vulcanization was used to remove lead from water. The dynamic SS bonds in the polysulfide polymer were then used to form a composite block by reactive compression molding: a process that confines the pollution and prevents leaching. Leaching was prevented when the composite was submerged in water for 1 week. The reactive compression molding technique is a simple method for preventing leaching during the transport and storage of spent sorbents.
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关键词
Activated carbon,Inverse vulcanization,Leaching,Lead,Polysulfide,Reactive compression molding
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