Microbial fuel-cell corrected

1. Alam Kazi Khurshid 15-28304-1
Hasan Sayeed 15-28356-1
Kabir, Md. Nazmul 14-27290-2
Rahman S.M Minhazur 12-22686-3
Uddin Md Nasir 15-28364-1
SUBMITTED TO:
Rethwan Faiz
Assistant professor,
American International University Bangladesh
Energy Generation
from waste water using
Microbial fuel Cell

2. A microbial fuel cell (MFC), or biological fuel cell, is a bio-
electrochemical system that drives an electric current by
using bacteria and mimicking bacterial interactions found
in nature.
Hydrogen can be produced in Microbial Fuel Cell and it happens
smoothly from the fermentation of glucose in the presence of
Clostridium butyricum.
C12H22O11 + 13H2O ---> 12CO2 + 48H++ 48e-
Introduction

3.  Currently in Bangladesh power plants are these types
1.Coal fired
2.Oil and Gas fired Thermal
3.Gas turbines
4.Gas engines
5.Hydroelectric
Current power generation situation

4. Issues with current power generation methods:
1.CO,CO2 emission
2.Impact on global warming
3.Impact on environment.
Current power generation situation

5.  It’s an electrochemical device.
 Use bacterium as a catalyst to generate electricity.
 Microbes are employed by MFC to generate electricity from
biochemical energy.
What is MFC?

6.  It seems new topic in here but it has always been there almost
100 years.
 Electrical energy was produced from living cultures of
Escherichia coli or E coli and Saccharomyces by using platinum
electrodes.
 microbial fuel cells (MFCs) has obtained the attention as
converting organic matter into electricity.
History

7. Bangladesh gets 63.19% of its total electricity from gas. At this rate of
consumption stored natural gas will be finished in 15-20 years.
Bangladesh both produces and imports coal for power plants. We
don’t have that much coal for power generation for the future.
Renewable energy sources(Wind turbines, Solar cell) aren’t that much
cheap yet.
Using MFC we can also treat and clean waste water and the bi
products of the MFC are bio degradable
Reasons behind choosing MFC

8. Mechanism

9. 1) Anode:
Anode is made of Iron mesh or carbon rod.
2) Cathode:
cathode is made of graphite disk submerged into salt water.
3) Membrane:
Membranes are used to separate the anode and cathode.
4) Mediator:
Mediators are mainly used in anode chamber of a microbial fuel
cell.
Structure

10.  Ohmic losses
 Activation losses
 Concentration losses
Different Losses in MFC

11. MFC model

12. Test unit

13. Anode Cathode Mediator Material Output voltage Output current
Graphite Rod Graphite Rod Methylene Water+cowdu
g
.146v .116mA
zinc plate copper plate Potassium
Permanganate
Drain water 1.003v 1.165mA
zinc plate copper plate Potassium
Ferricyanide
Drain water
starch
.588v 2.55mA
Zinc plate Copper plate Copper
Sulphate
River water
sucrose
1.35v 7.34mA
Zinc plate Copper plate Potassium
Permanganate
Drain water
Sucrose
1.536v 6.38mA
Zinc plate Graphite rod Potassium
Ferricyanide
Drain water .266v .066mA
Sample experimental data

14. Now MFC could be more expensive than fossil fuel and the test
results came out with little outputs. But when there will be
shortage of fossil fuel, MFC can be an alternative source of
electricity. By further research on the components it’s efficiency
can be enhanced. Thus one day it might powering our grid.
Conclusion

15. Thank You