Waste water contain lots of energy in it only thing is it has to be recovered in a proper way. Microbial Fuel cell is a efficient and energy saving technique in that line.

2. WASTEWATERTREATEMENTUSINGMICROBIALFUEL CELLS AND POWER
GENERATION
SEMINAR ON
BY : MAHENDRA (2SD13CH012), VIII SEMESTER
UNDER THE GUIDENCE OF PROF. RASHMI S.H.
ACADEMIC YEAR : 2016-17
DEPARTMENT OF CHEMICAL ENGINEERING

3. CONTENTS
1. INTRODUCTION
2. LITERATURE SURVEY
3. CASE STUDY
4. RESULTS AND DICUSSIONS
5. CONCLUSION
REFERENCES

4. 1. INTRODUCTION
 Wastewater
 Sources – Industrial, domestic, agricultural and commercial.
Fig. 1.1 : sources of waste water
 38,354 million liters per day (MLD) [CPCB]
 Treatment methods – Activated sludge, aerated lagoon, carbon
filtration, microbial fuel cell, etc

5. 1.1 Advantages of MFC

6. 1.2 Microbial Fuel Cell(MFC)
i. Single Chamber MFS’s
Fig. 1.2 : Single chamber MFC

7. Fig. 1.3 : Double chamber Microbial Fuel cell
ii. Double Chamber MFC’s

8. 1.2.2 Components of MFC
Fig. 1.4 : Components and assembly of MFC
Anode PEM Cathode

9. 2. LITERATURE SURVEY
Sl. No. Title Author Year Comments
1. Wastewater Treatment with
Microbial Fuel Cells: A
Design and Feasibility
Study for Scale-up in
Microbreweries
Ellen Dannys et
al.
2016 COD conversion 91.9%,
electricity generation 26.4
kWh for the feed of 84 L/hr.
2. Microbial Fuel Cells: A
Source of Bioenergy.
Anand Prakash 2016 MFC's can be a sustainable
source of energy.
3. Treatment of Oil
Wastewater and Electricity
Generation by Integrating
Constructed Wetland with
Microbial Fuel Cell
Qio Yang E et al. 2016 COD removal 74% electricity
generation 20.86 kWh for the
feed of around 98-100 L/hr.
4. Towards sustainable waste
water treatment by using
Microbial Fuel Cell's-
centered technology.
Wen wei lee et
al.
2015 Waste water treatment using
MFS's was more competitive
compared to other existing
methods.
Table 2.1 Works carried out by various researchers on Microbial Fuel Cell

10. Sl.
No.
Title Author Year Comments
5. Performance of pilot-scale
microbial fuel cells treating
wastewater with associated
bio-energy production in the
Caribbean context
Kiran Tota et al. 2015 Potential of simultaneous
bioenergy production and
wastewater treatment using
MFC's was studied
6. Energy-efficient Wastewater
Treatment by Microbial Fuel
Cells:
Scaling Up and
Optimization
Zheng Ge 2015 Around 80% organic
Were removed with
generation of electricity in
a reasonable amount.
7. Treatment of wastewater and
electricity generation
using microbial fuel cell
technology
B.G. Mahendra
et al.
2013 The effect of wastewater
concentration on COD and
TDS removal efficiency and
current generation was
observed

11. 3. CASE STUDY
3.1 Methodology
Fig. 3.1 : Working of MFC

12. 3.1 Chemical reactions
 Anodic reaction (Oxidation) :
CH3COO + 2H2O microbes 2CO2 + 7H+ + 8e-
 Cathodic reaction ( Reduction) :
O2 + 4e- + 4H+ 2H2O

13. 4. RESULTS AND DISCUSSIONS
4.1 Single chamber vs Double chamber
0
200
400
600
800
1000
1200
0 2 4 6 8 10 12
COD,mg/L
Days
Single chambered
100%
75%
50%
0
200
400
600
800
1000
1200
0 2 4 6 8 10 12
COD,mg/L
Days
Double chambered
100%
75%
50%
Fig. 4.1 : COD removal plot
4.1.1 COD removal efficiency

14. 0
200
400
600
800
1000
1200
0 2 4 6 8 10 12
Totalsolids,mg/L
Days
Single chamber
100%
75%
50%
4.1.2 Total solid removal
0
200
400
600
800
1000
1200
0 2 4 6 8 10 12
Totalsolids,mg/L
Days
Double chamber
100%
75%
50%
Fig. 4.2 : Total solid removal plot

15. 0
50
100
150
200
250
300
0 2 4 6 8 10 12
Nitrate,mg/L
Days
Double chamber
100%
75%
50%
4.1.3 Nitrate removal
Fig. 4.3 :Nitrate reduction plot

16. 0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
2 4 6 8 10 12
Currentdensity,mA
Days
Double Chamber 100%
75%
50%
0
0.1
0.2
0.3
0.4
0.5
0.6
2 4 6 8 10 12
Currentdensity,mA
Days
Single chamber 100%
75%
50%
4.1.3 Electricity generation
Fig. 4.3 : Current density plot

17. 4.2 Effect of anodic material
0
100
200
300
400
500
600
700
800
900
0 2 4 6 8 10 12 14
CODremoval,mg/l
days
Plain Carbon anode
Iron coated carbon
anode
4.2.1 COD removal efficiency
Fig. 4.4 COD removal plot

18. 4.2.2 Electricity generation
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0 5 10 15
Currentdensity,mA
days
Plain Carbon anode
Iron coated anode
Fig. 4.4 : current generation plot

19. 5. CONCLUSIONS
 Microbial Fuel Cell technology is clean and effective technology.
 Waste water can be recycled and reused by using MFS’s with
simultaneous power generation.
 From the experiment results it is proven that electricity
production increases as concentration of waste water increased.
 Different electrode materials can be used according to
requirements.

20. REFERENCES
1. Muralidharan et al., "Impact of Salt Concentration on Electricity Production in Microbial Hydrogen
Based Salt Bridge Fuel Cells, Indian Journal of Fundamental and Applied Life Sciences", Vol. 1 (2) April
178-184 (2011).
2. Abhilasha S. M and Sharma V. N., " production from various wastewaters through microbial fuel cell
technology", Journal of Biochemical Technology, 2(1), pp.133-137 (2009).
3. B.G. Mahendra, Shridhar Mahavarkar," treatment of wastewater and electricity generation Using
microbial fuel cell technology " , International Journal of Research in Engineering and Technology
eISSN: 2319-1163 | pISSN: 2321-7308 (2014).
4. Tyler Huggins et al., " Energy and Performance Comparison of Microbial Fuel Cell and C Min, 8.,
Logan, B.E., Continuous electricity generation from domestic wastewater and organic substrates in a flat
plate microbial fuel cell. Environ. Sci. Technol. 38, 5809-5814 (2004).
5. Park, D.H., Zeikus, J.G., "Impact of electrode composition on electricity generation in a single-compartment
fuel cell using Shewanella putrefacians." Appl. Microbiol. Biotechnol. 59, 58-61(2002).
6. Rozendal, R.A., Hamelers, H.V.M., Rabaey, K., Keller, J., Buisman, C.J.N., "Towards practical
implementation of bioelectrochemical wastewater treatment", Trends Biotechnol. 26,450-459(2008).
7. Sarah Hays, Fang Zhang and Bruce E. Logan, "Peiformance of two different types of anodes in membrane
electrode assembly microbial foel cells for power generation from domestic wastewater", Journal of Power
Sources,V ol. 196, pp 8293- 8300, (2011) .
8. Shijie You , Qingliang Zhaoa, Jinna Zhang, Junqiu Jiang ,C hunli Wan, Maoan Du and Shiqi Zhao. "A
graphite-granule membrane-less tubular air-cathode microbial fuel. Journal of Power Sources", Vol. 173
,p p.I72-177 (2007 ).
9. S. Oh, B.E. Logan, "Proton exchange membrane and electrode suiface areas as factors that affect
power generation in microbial foel cells", Appl. Microbiol. Biotechnol. Vol. 70, pp.I62-169(2006 ).
10. S.VenkataMohan,Veer Raghavulu and P N Shanna, "Biochemical Evaluation of Bioelectricity
Production Process From Anaerobic Wastewater Treatment in An Single Chambered Microbial Fuel Cell
Employing Glass Wool Membrane", Biosensors and Bioelectronics, Vol 23 , pp. 1326-1332, (2008 ).