The renewing or reuse of materials such as activated carbon, single ion exchange resins, and filter beds by appropriate means to remove organics, metals, solids, etc.
(Source: LEE)
the activity of spiritual or physical renewal
(biology) growth anew of lost or destroyed parts or organs
forming again (especially with improvements or removal of defects); renewing and reconstituting
feedback in phase with (augmenting) the input
(biology) growth anew of lost tissue or destroyed parts or organs
