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The behavior and fate of copper binding with extracellular polymeric substances (EPS) from activated sludge, under simulating bio-calcification, was studied. Results showed that the degree of EPS sequestering with calcium had a strong differential affect on copper sorption. At lower Ca2+ concentrations (≤80 mg·l-1), the Langmuir equation was able to model adsorptive processes between Cu2+ and EPS,...
Superfill (bottom-up) phenomena relevant for Damascene processing typically rely on the time-dependent interplay of various organic and inorganic additives with both the metallic copper surface and with cuprous ions as intermediates of the copper electro-reduction in the near-surface regime. In-situ STM, in-situ SXRD (Surface X-Ray Diffraction) measurements combined with DFT calculations provide new...
The copper heavy metal wastewater does lots of harm to people and it is difficult to deal. Using flocculant to treat copper wastewater has a lot of advantages. Under certain conditions proceeded modification of a kind of clay which has the unique characteristic of absorbability. Then the modification clay and the polymerization iron carbonyl ion can play polyreaction, to innovate a new type of macromolecule...
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