Microbial carbon capture cell using cyanobacteria for simultaneous power generation, carbon dioxide sequestration and wastewater treatment

Soumya Pandit; Bikram Kumar Nayak; Debabrata Das

doi:10.1016/j.biortech.2011.12.067

Microbial carbon capture cell using cyanobacteria for simultaneous power generation, carbon dioxide sequestration and wastewater treatment

Soumya Pandit, Bikram Kumar Nayak, Debabrata Das

Research output: Contribution to journal › Article › peer-review

92 Scopus citations

Abstract

Microbial carbon capture cells (MCCs) were constructed with cyanobacteria growing in a photo biocathode in dual-chambered flat plate mediator-less MFCs separated by an anion exchange membrane from the anode compartment containing Shewanella putrefaciens. The performance of the MCC with Anabaena sparged with CO ₂-air mixture was compared with that of a conventional cathode sparged with air only. The power densities achieved were 57.8mW/m ² for Anabaena sparged with a CO ₂-air mixture, 39.2mW/m ² for CO ₂-air mixture sparging only, 29.7mW/m ² for Anabaena sparged with air, and 19.6mW/m ² for air sparging only. The pH of the cathode containing Anabaena gradually increased from 7 to 9.12 and power generation decreased from 34.7 to 23.8mW/m ² 17 due to pH imbalance associated voltage losses without CO ₂-air mixture sparging. Sparging with a 5% CO ₂-air mixture produced maximum power of 100.1mW/m ². In addition, the power density of MCC increased by 31% when nitrate was added into the catholyte.

Original language	English
Pages (from-to)	97-102
Number of pages	6
Journal	Bioresource Technology
Volume	107
DOIs	https://doi.org/10.1016/j.biortech.2011.12.067
State	Published - 1 Mar 2012
Externally published	Yes

Keywords

Anion exchange membrane
CO sequestration
Flue gas
MCC
PH imbalance

ASJC Scopus subject areas

Bioengineering
Environmental Engineering
Renewable Energy, Sustainability and the Environment
Waste Management and Disposal

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.biortech.2011.12.067

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title = "Microbial carbon capture cell using cyanobacteria for simultaneous power generation, carbon dioxide sequestration and wastewater treatment",

abstract = "Microbial carbon capture cells (MCCs) were constructed with cyanobacteria growing in a photo biocathode in dual-chambered flat plate mediator-less MFCs separated by an anion exchange membrane from the anode compartment containing Shewanella putrefaciens. The performance of the MCC with Anabaena sparged with CO 2-air mixture was compared with that of a conventional cathode sparged with air only. The power densities achieved were 57.8mW/m 2 for Anabaena sparged with a CO 2-air mixture, 39.2mW/m 2 for CO 2-air mixture sparging only, 29.7mW/m 2 for Anabaena sparged with air, and 19.6mW/m 2 for air sparging only. The pH of the cathode containing Anabaena gradually increased from 7 to 9.12 and power generation decreased from 34.7 to 23.8mW/m 2 17 due to pH imbalance associated voltage losses without CO 2-air mixture sparging. Sparging with a 5% CO 2-air mixture produced maximum power of 100.1mW/m 2. In addition, the power density of MCC increased by 31% when nitrate was added into the catholyte.",

keywords = "Anion exchange membrane, CO sequestration, Flue gas, MCC, PH imbalance",

author = "Soumya Pandit and Nayak, {Bikram Kumar} and Debabrata Das",

note = "Funding Information: The authors wish to thank the financial support from Bhabha Atomic Research Centre (BARC) , UGC , MNRE and DBT , Govt of India and IIT Kharagpur for the facilities. ",

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doi = "10.1016/j.biortech.2011.12.067",

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pages = "97--102",

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T1 - Microbial carbon capture cell using cyanobacteria for simultaneous power generation, carbon dioxide sequestration and wastewater treatment

AU - Pandit, Soumya

AU - Nayak, Bikram Kumar

AU - Das, Debabrata

N1 - Funding Information: The authors wish to thank the financial support from Bhabha Atomic Research Centre (BARC) , UGC , MNRE and DBT , Govt of India and IIT Kharagpur for the facilities.

PY - 2012/3/1

Y1 - 2012/3/1

N2 - Microbial carbon capture cells (MCCs) were constructed with cyanobacteria growing in a photo biocathode in dual-chambered flat plate mediator-less MFCs separated by an anion exchange membrane from the anode compartment containing Shewanella putrefaciens. The performance of the MCC with Anabaena sparged with CO 2-air mixture was compared with that of a conventional cathode sparged with air only. The power densities achieved were 57.8mW/m 2 for Anabaena sparged with a CO 2-air mixture, 39.2mW/m 2 for CO 2-air mixture sparging only, 29.7mW/m 2 for Anabaena sparged with air, and 19.6mW/m 2 for air sparging only. The pH of the cathode containing Anabaena gradually increased from 7 to 9.12 and power generation decreased from 34.7 to 23.8mW/m 2 17 due to pH imbalance associated voltage losses without CO 2-air mixture sparging. Sparging with a 5% CO 2-air mixture produced maximum power of 100.1mW/m 2. In addition, the power density of MCC increased by 31% when nitrate was added into the catholyte.

AB - Microbial carbon capture cells (MCCs) were constructed with cyanobacteria growing in a photo biocathode in dual-chambered flat plate mediator-less MFCs separated by an anion exchange membrane from the anode compartment containing Shewanella putrefaciens. The performance of the MCC with Anabaena sparged with CO 2-air mixture was compared with that of a conventional cathode sparged with air only. The power densities achieved were 57.8mW/m 2 for Anabaena sparged with a CO 2-air mixture, 39.2mW/m 2 for CO 2-air mixture sparging only, 29.7mW/m 2 for Anabaena sparged with air, and 19.6mW/m 2 for air sparging only. The pH of the cathode containing Anabaena gradually increased from 7 to 9.12 and power generation decreased from 34.7 to 23.8mW/m 2 17 due to pH imbalance associated voltage losses without CO 2-air mixture sparging. Sparging with a 5% CO 2-air mixture produced maximum power of 100.1mW/m 2. In addition, the power density of MCC increased by 31% when nitrate was added into the catholyte.

KW - Anion exchange membrane

KW - CO sequestration

KW - Flue gas

KW - MCC

KW - PH imbalance

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Microbial carbon capture cell using cyanobacteria for simultaneous power generation, carbon dioxide sequestration and wastewater treatment

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

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