Cocheci, VasileVasileCocheci2017-04-232017-04-231985-07-30Patent no. RO 86423-Ahttp://hdl.handle.net/123456789/894Patent Assignee Name(s) and Code(s): INST EPURAREA APELOThe process comprises a multistage process. The various pH values are based on the component cations of the complex organic coagulants and also the pollutants to be removed.en-USCoagulationPatent