Global Advanced Research Journal of Agricultural Science (GARJAS) ISSN: 2315-5094
December, 2015 Special Anniversary Review Issue.  Vol. 4(12): pp. 840-850
Copyright © 2015 Global Advanced Research Journals

 

Full Length Research Paper

Assessment of factors influencing bioelectricity generation in paddy plant microbial fuel cells

*M. Azizul Moqsud1, M.A. Hannan2, K. Omine3

 

1Department of Civil and Environmental Engineering, Yamaguchi University, Japan

2 Engineering Staff College, Bangladesh

3Department of Civil Engineering, Nagasaki University, Japan

Email: moqsud@gmail.comazizul@yamaguchi-u.ac.jp

Accepted 19 November, 2015

 

Abstract

In this study, an experiment has been carried out to produce green energy (bioelectricity) by using paddy plant microbial fuel cells (PMFCs) in soil and observed the various factors which influenced the bioelectricity generation. A total of four buckets filled with the same soil were used with carbon fiber as the electrodes for the test. Rice plants were planted in three of the buckets, with the fourth bucket containing only soil and an external resistance of 100 ohm was used for all cases. It was observed that the cells with rice plants and compost showed higher values of voltage and power density with time. The highest value of voltage showed around 700mV when a rice plant with 1% compost mixed soil was used, however it was more than 95% less in the case of no rice plant and without compost. Comparing cases with and without compost but with the same number of rice plants, cases with compost depicted higher voltage to as much as 2 times. The power density was also 3 times higher when the compost was used in the paddy PMFCs which indicated the influence of compost on bio-electricity generation. Solar radiation, temperature and humidity had also some influences before rice blooms however the organic matter (compost) had the significant influence to the bioelectricity generation. 

KeywordsBioelectricity; Compost; Humidity, Plant microbial fuel cell; Solar radiation, Temperature.

 


 

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