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linked
                                                    of
                                      as
                                                         undertaken.
                                         oxidized
                                                  group.
                                                      with
                                      such
                                                    mechanism
                                                             of
                                includes
                                                           polymer-modified
                                                functional
                             electrolytic
                                             be
                                                             removal
                                    having
                                           of
                                                      interacting
                                  of
                                      supports
                                             to
                                                  acid
                                           form
                                  form
                                         with
                                             believed
                                technology
                                                  carboxylic
                                                         be
                                    polymers
                                                    the
                                                             for
                                           cationic
                                                oxygen-containing
                                                                cadmium.
                                  hybrid
                             and
                                         carbons
                                                         to
                                      solid
                                                             nanoadsorbents
                                                    on
                                                      ions
                                                         need
                                             is
                             precipitation,
                                                    studies
                                             Cd 2+ ,
                                      on
                                                           suggest
                                  new
                                                      metallic
                                           The
                                Emerging
                                    ceramic
                                         activated
                                                  the
                                                         surfaces
                                      ligands
                                                                including
                                  a
                                           groups.
                                             ions,
                                                  as
                                                    detailed
                                  of
                                                           reports
                                                  such
                                                      of
                                    adsorbents,
                                  application
                                      functional
                                                         adsorbent
                                             cadmium
                                                             magnetic
                                         and
                                methods.
                             chemical
                                                the
                                                      diffusion
                                                                metals,
                                           surface
                                                  groups
                                                           Some
                                                    More
                                         silica
                                                with
               wastewater treatment—cont'd  Methods Treatment  Limits  al.,  et  (Farooq substantially  cost  the  reduce  concentrations.  low  for  2002)  the  with  obtained  been  have successes  Limited  mg/L  extraction,  solvent  RO, exchange,  ion  Industrial Wastewater Treatment, Recycling, and Reuse: An Overview  53
               in  Discharge  0.01–2
               removal       landfill
               metal     cells,  from  gypsum
               important  of  electrochemical  devices,  leachates  pigment,
               of  Effluents    plating,
               Examples  in  Batteries,  semiconductor  incinerators,  sites,  manufacturing
               1.4  Occurs
               Table  Metal  Cd
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