Spectra were processed with VNMRJ (Varian by Agilent Technologies, Italy) and analyzed with NEASY36 comprised in the CARA software package (http://www. nmr.ch/). 2D HSQC spectra were compared with the program Sparky (T. D. Goddard and D. G. Kneller, SPARKY 3, University of California,...
There have been some technologies for ions removal from wastewater, such as chemical precipitation, membrane filtration, electrochemistry, adsorption, and so on, in which adsorption has generally been used as an attractive method for industry wastewater treatment. Chen [1] prepared a kind of ...