ABSTRACT
To reduce the pollution level of the environment, various technologi cal processes can be applied, principally separation techniques. The literature provide several strategies promoting the application of sepa ration techniques in the protection and development of the environment (Aim and Vladan, 1989; Drioli, 1992; Drioli and Molinari, 1995; Fane, 1994):
• Strategy I: technologies used in the treatment of polluted sources of surface waters, underground waters as well as municipal sewage.
