Metabolism of Some Anionic Tallow-based Detergents by Sewage Microorganisms | Zendy

T. C. Cordon | Zendy; E. W. Maurer | Zendy; M. V. Nuñez-Ponzoa | Zendy; A. J. Stirton | Zendy

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Metabolism of Some Anionic Tallow-based Detergents by Sewage Microorganisms

Author(s) -

T. C. Cordon,

E. W. Maurer,

M. V. Nuñez-Ponzoa,

A. J. Stirton

Publication year - 1968

Publication title -

applied microbiology

Language(s) - English

Resource type - Journals

ISSN - 0003-6919

DOI - 10.1128/am.16.1.48-52.1968

Subject(s) - chemistry , fatty alcohol , alcohol , tallow , ether , sulfate , organic chemistry , metabolism , chemical oxygen demand , methylene blue , long chain , microorganism , chromatography , biochemistry , sewage treatment , bacteria , catalysis , environmental engineering , biology , engineering , genetics , photocatalysis , polymer science

A method in which the test detergent was the sole source of carbon was used to study the metabolism of several tallow-based detergents. These were tallow alcohol sulfates, long-chain ether alcohol sulfates, and esters of α-sulfo fatty acids. Sodiump -(1-methylundecyl)benzenesulfonate (LAS) was used as a reference material. The alcohol sulfates were the most rapidly and completely metabolized (96 to 99%), and one ether alcohol sulfate was 94% degraded. The other compounds were metabolized to the extent of 61 to 87%; LAS was 80% degraded. Except for the alcohol sulfates, loss of methylene blue activity (MBAS) occurred long before the chemical oxygen demand (COD) values had reached a minimum; with the alcohol sulfates, MBAS and COD decreased simultaneously.

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