%0 Journal Article
%T Biodegradation of Acid Scarlet 3R by a New Salt-tolerant Strain Alcaligenes faecalis LJ-3: Character, Enzyme and Kinetics Analysis
%A Liu
%A F. J.
%A Song
%A X. Y.
%A Yang
%A H. L.
%A Zhou
%A H. B.
%J -
%D 2018
%R 10.15255/CABEQ.2018.1410
%X Saˋetak Alcaligenes faecalis LJ-3 is highly efficient in degrading various azo dyes (100 mg L每1). Almost 100 % degradation was observed within 16 h at the initial Acid Scarlet 3R concentrations of 1000 mg L每1 under the optimal conditions, which were: 1 g dextrin L每1, 3 g yeast extract L每1, NaCl ≒ 30 g L每1, pH 8.0 and 35每45 oC. Azoreductase, laccase and NADH-DCIP (nicotinamide adenine dinucleotide-dichlorophenol indophenols) reductase were induced during the degradation of Acid Scarlet 3R. Kinetics study of degradation experiments approximated the first-order reaction. The maximum rate (Vmax) and substrate affinity constant (Ks) were found to be 115.90 mg L每1 h每1 and 1193.23 mg L-1, respectively, using Michaelis-Menten kinetics. This work provides new data characterizing Acid Scarlet 3R degradation by bacteria, as well as practical application potential in biological treatment of industrial effluents containing various azo dyes. This work is licensed under a Creative Commons Attribution 4.0 International License
%K Alcaligenes faecalis LJ-3
%K degradation
%K Acid Scarlet 3R
%K enzyme
%K kinetics
%U https://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=303784