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Nitrification of Ammonia (Sulphate) by Means of Mixed Cculture of Microorganisms: (Part I.) (CROSBI ID 115930)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Tomerlin, Ljiljanka ; Dvoraček, Lujo ; Bešlić, Vesna Nitrification of Ammonia (Sulphate) by Means of Mixed Cculture of Microorganisms: (Part I.) // Chemical and biochemical engineering quarterly, 18 (2004), 4; 417-422-x

Podaci o odgovornosti

Tomerlin, Ljiljanka ; Dvoraček, Lujo ; Bešlić, Vesna

engleski

Nitrification of Ammonia (Sulphate) by Means of Mixed Cculture of Microorganisms: (Part I.)

This paper discusses oxidation of ammonia-N from ammonium sulphate in a synthetic medium by means of mixed culture of microorganisms. The members of mixed culture were isolated from wastewaters from chemical and cellulose industry. Mixed culture of microorganisms was adapted on ammonium sulphate through period more than one year. After adaptation 1.9 g L-1 of wet biomass was used in batch experiments. The glucose, 3-Na-citrate, Na-acetate or methanol was added as a source of carbon (C:N=6:1), initial pH value was 5.5 or 7.5 and concentration of ammonium sulphate in synthetic medium was 0.2 g L-1 and 0.6 g L-1, respectively. Oxidation lasted 18 and 48 h and ambient temperature was 23 oC. Results of these experiments showed that initial concentration of ammonia-N had been changed and in the mean time accumulation of nitrate-N had slightly increased.

Nitrification; ammonium sulphate; mixed culture of microorganisms; carbon source

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Podaci o izdanju

18 (4)

2004.

417-422-x

objavljeno

0352-9568

Povezanost rada

Kemijsko inženjerstvo, Biologija

Indeksiranost