Inhibiting action of chlorophenols on biodegradation of phenol and its correlation with structural properties of inhibitors | Zendy

Beltrame Paolo | Zendy; Beltrame Pier Luigi | Zendy; Carniti Paolo | Zendy; Guardione Donatella | Zendy; Lanzetta Cecilia | Zendy

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Inhibiting action of chlorophenols on biodegradation of phenol and its correlation with structural properties of inhibitors

Author(s) -

Beltrame Paolo,

Beltrame Pier Luigi,

Carniti Paolo,

Guardione Donatella,

Lanzetta Cecilia

Publication year - 1988

Publication title -

biotechnology and bioengineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.136

H-Index - 189

eISSN - 1097-0290

pISSN - 0006-3592

DOI - 10.1002/bit.260310809

Subject(s) - lipophilicity , phenol , biodegradation , chemistry , activated sludge , phenols , partition coefficient , chromatography , linear correlation , organic chemistry , environmental chemistry , sewage treatment , environmental engineering , statistics , mathematics , engineering

An activated sludge conditioned to a low concentration of phenol was used for the biodegradation of phenol in the presence of Chlorophenols, measuring the inhibiting action of all the latter compounds and expressing it as p/ 50. As a structural property to be correlated with the measured values, the lipophilicity (log P ) of the Chlorophenols was reevaluated with a new apparatus. Values of p/ 50 p are better correlated with the number of chloro substituents in the inhibitor, provided a specific effect of substituents ortho to the phenolic function is considered. New results are compared with previous measurements effected on a different activated sludge.

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