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.
Legal Definition of substitution. : the substituting of one person or thing for another: as a in the civil law of Louisiana : a disposition not in trust by which a donee, heir, or legatee is charged to hold property transferred and return it to a third person â compare fidei commissum, vulgar substitution Editor's note: Substitutions are prohibited.