Glyshko E. Complex low-waste ion-exchange technology of sewage treatment from ions of heavy metals

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0407U004776

Thesis Registration Form

0407U004776.pdf

Applicant for

Specialization

  • 21.06.01 - Екологічна безпека

19-11-2007

Specialized Academic Board

Д 26.002.05

Publishing and Printing Institute of Igor Sikorsky Kyiv Polytechnic Institute

Essay

Processes ion-exchange clarifications of water from ions of heavy metals with use strong-acid and subacid cationites are investigated. It is shown, that cationites КУ-2-8 in Na+-form are characterized by high exchange capacity on cationites heavy metals. Poorly acid cationite is more selective on ions of heavy metals in comparison with ions of rigidity. Processes of regeneration strong-acid cationite КУ-2-8 are investigated by solutions of sulfate of sodium. It is shown, that efficiency of process grows with increase of concentration of sulfate of sodium and depends from рH=5-9 a little. It is investigated processes of electrochemical restoration of heavy metals of reclaiming solutions. It is shown, that reclaiming solutions are received at desorption ions of copper with cationite КУ-2-8 suitable for use at etching payments. It is investigated kinetics and dynamics of processes desorption and chromate-anion from anionite АВ-17-8 depending on structure of solutions and рН environments It is offered low-waste circuits of water treating from ions of heavy metals which provide creation of the closed cycles of washing of details.

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