Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报(英文版)

Transactions of Nonferrous Metals Society of China

Vol. 27    No. 4    April 2017

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Electrochemical response to biomass of bacterial cells of Achromobacter sp. CH-1 growth
Yun-yan WANG1,2, Li-yuan CHAI1,2, Qing-wei WANG1,2,3, Zhi-hui YANG1,2, Rong DENG1

1. School of Metallurgy and Environment, Central South University, Changsha 410083, China;
2. Chinese National Engineering Research Centre for Control and Treatment of Heavy Metal Pollution, Changsha 410083, China;
3. Changsha Science Environmental Technology Co., Ltd., Changsha 410000, China

Abstract:A simple and effective method has been developed to reflect the growth of bacteria CH-1 via the potential of the solution. The results indicate that during the bacterial cultivation, the biomass increases and the potential of the solution decreases over time. The relationship between biomass and potential of the solution could be expressed by the equation with constants of a and b which are all related to species, batch, number, and growth environment of bacterial. When the initial pH value is 10 and the initial biomass is 6.55×107 cell/mL, the correlated equation of the biomass and the potential of the solution could be divided into two segments. The growth of bacteria CH-1 is different under various experimental conditions, but the biomass is directly related to the potential of the solution regardless of the conditions of different initial pH values and bacteria number.

 

Key words: electrochemical response; Cr(VI); bacteria CH-1; biomass; potential of solution

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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