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. 1994 Dec;42(4):623-30.
doi: 10.1007/BF00173930.

2-Mercaptobenzothiazole degradation in laboratory fed-batch systems

H De Wever  1 , H Verachtert
Affiliations

2-Mercaptobenzothiazole degradation in laboratory fed-batch systems

H De Wever et al. Appl Microbiol Biotechnol. 1994 Dec.

Abstract

Rubber additives manufacture yields waste-waters with recalcitrant and/or toxic benzothiazole compounds. Biodegradation of such compounds was investigated in fed-batch systems. 2-Mercaptobenzothiazole (MBT) was best degraded by a mixture of MBT-history and non-MBT-history sludge. Concentrations up to 200 mg.l-1 were removed. From 100 mg.l-1 onwards, high percentages of the recalcitrant disulphide were accumulated in the sludge. MBT slowed down the biodegradation of benzothiazole-2-sulphonate. MBT and benzothiazole did not mutually influence their degradation. Under some experimental conditions high levels of unidentified so-called polar compounds were formed.

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