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izvor podataka: crosbi

Biodegradation of imidacloprid by composting process (CROSBI ID 229501)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Herner, Željko ; Kučić, Dajana ; Zelić, Bruno Biodegradation of imidacloprid by composting process // Chemical papers = Chemické zvesti, 71 (2017), 1; 13-20. doi: 10.1007/s11696-016-0031-5

Podaci o odgovornosti

Herner, Željko ; Kučić, Dajana ; Zelić, Bruno

engleski

Biodegradation of imidacloprid by composting process

This work presents the biodegradation of imidacloprid during composting process in a closed reactor. Composting mass was prepared from fresh vegetable waste, tobacco waste, dry leaves, imidacloprid 1.25 mg kg-1 (dry solids) and bacterial suspension of Pseudomonas aeruginosa FN. The composting process was carried out under forced aeration (0.516 dm3 min-1 kg-1) in a column reactor (10 dm3) under adiabatic conditions over 21 days. In a closed reactor system the intense biodegradation of imidacloprid was during first 7 days when 68 % of imidacloprid was degraded. The conversion and rate of biodegradation of imidacloprid in a closed reactor was much higher and faster than in an open pile. Imidacloprid degradation during composting process was described and simulated as first-order process. Degradation constant and half-life of imidacloprid were estimated in a closed reactor (kd = 0.135  0.016 mg kg-1day-1, t1/2 = 5.13 days) and in an open pile (kd = 0.025  0.002 mg kg-1day-1, t1/2 = 27.88 days).

composting process ; imidacloprid ; Pseudomonas aeruginosa FN ; kinetics of biodegradation

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Podaci o izdanju

71 (1)

2017.

13-20

objavljeno

2585-7290

1336-9075

10.1007/s11696-016-0031-5

Povezanost rada

Interdisciplinarne tehničke znanosti, Kemijsko inženjerstvo

Poveznice
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