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Electronic Effects of Substituted Aromatic Ring on the Methanogenic Toxicity

HomeElectronic Effects of Substituted Aromatic Ring on the Methanogenic Toxicity

Research Article

Electronic Effects of Substituted Aromatic Ring on the Methanogenic Toxicity

B.M. Nsimba, K. Kayembe, N.L. Basosila, S.O. Mihigo, B.M. Mbala, C.K. Mulaji, P.V. Tsalu, B.K. Mvingu and P.T. Mpiana

Corresponding Author : Mpiana P.T,

Department of Chemistry, Faculty of Science, University of Kinshasa. P.O. Box 190, Kinshasa XI, D.R.Congo.

Email ID : ptmpiana@yahoo.fr

Received : 2015-06-01 Accepted : 2015-07-07 Published : 2015-07-07

Abstract : A study of the substituents electronic effects on the methanogenic toxicity of aromatic compounds was realized at room temperature using the standard method of serum bottles. The pig digested manure and sodium acetate (pH 7) were used as inoculum and substrate, respectively. The toxicity on the acetoclastic methanogens (archaea) was determined by measuring the methane gas volume produced by serum bottles liquid displacement system (Mariotte flask system). The obtained results indicate a correlation between the nature of the substituents on the aromatic ring and their inhibitory effects on the biosynthesis of the methane gas by the acetoclastic methanogenic bacteria. Of the 13 studied compounds, Nitrobenzene and Phloroglucinol, with IC50 values of 3.92 and 3151.49 mg/L, respectively, were the most and the least toxic compounds.

Keywords : methanogenic toxicity, inhibition, biogaz, benzene, methanogenic bacteria, biomethanization, methane.

Citation : P.T. Mpiana et al.. (2015) O Electronic Effects of Substituted Aromatic Ring on the Methanogenic Toxicity. j. of Physical and Chemical Sciences.V3I2.02. DOI : 10.5281/zenodo.893460

Copyright : © 2015 P.T. Mpiana. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Journal of Physical and Chemical Sciences

ISSN : 2348-327X

Volume 3 / Issue 2

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