This liquid requires further treatment as it is high in nitrogen and phosphorus, particularly if the sludge has been anaerobically digested. The treatment can take place in the sewage treatment plant itself (by recycling the liquid to the start of the treatment process) or as a separate process.
verb (used with object), abrogated, abrogating. 1. to abolish by formal or official means; annul by an authoritative act; repeal: to abrogate a law. 2. to put aside; put an end to. Origin of abrogate. Latin.
â¢ ABLATION (noun). The noun ABLATION has 2 senses: 1. surgical removal of a body part or tissue. 2. the erosive process that reduces the size of glaciers. Familiarity information: ABLATION used as a noun is rare.. surgical removal of a body part or tissue. 2. the erosive process that reduces the size of glaciers. Familiarity information: ABLATION used as a noun is rare.