TY - JOUR
T1 - Biogenic ammonia for CO2 capturing and electrochemical conversion into bicarbonate and formate
AU - Karthikeyan, Chandrasekaran
AU - Rajeswari, Selvaraj
AU - Maruthamuthu, Sundaram
AU - Subramanian, Kandasamy
AU - Rajagopal, Gopalakrishnan
N1 - Funding Information:
The authors thank the Director, CSIR – Central Electro Chemical Research Institute for financial assistance to carryout a project entitled “Conversion of CO 2 from power plant flue gases to useful chemicals in bioelectrolyte/biocathode – Electrochemical membrane cell system” (DU 3/4 OLP 0079) and thanks to CSIR for funding a project on Sustainable Environmental Technology For Chemical And Allied Industries (SECTA) – (CSC 0113).
PY - 2014/1/1
Y1 - 2014/1/1
N2 - Capturing and conversion of CO2 into useful chemicals will render greater impact in reducing the concentration of CO2 in the atmosphere. In the present study, a novel system viz. "Bio-assisted Electrochemical System" was employed for carbon dioxide conversion. Biogenic ammonia was used as CO2 capturing agent, which was produced from synthetic urine by ureolytic bacteria. The ureolytic bacteria (Serratia ureilytica and Serratia marcescens) were isolated from railway track fecal contaminant. These bacteria were identified by biochemical and molecular techniques. Titanium Substrate Insoluble Anode (TSIA) was used as anode; lead coated SS316 wire mesh was used as cathode in electrochemical system for CO 2 conversion. The Nafion 961 membrane was used for the transport of cations. The electrochemical experiments were carried out at current density of 100 mA/cm2. The final products of ammonium bicarbonate and formate were collected from the electrochemical cell and were analyzed by UV-visible spectrophotometry, Fourier transform infrared spectroscopy (FTIR) and Nuclear magnetic resonance spectroscopy (NMR) techniques.
AB - Capturing and conversion of CO2 into useful chemicals will render greater impact in reducing the concentration of CO2 in the atmosphere. In the present study, a novel system viz. "Bio-assisted Electrochemical System" was employed for carbon dioxide conversion. Biogenic ammonia was used as CO2 capturing agent, which was produced from synthetic urine by ureolytic bacteria. The ureolytic bacteria (Serratia ureilytica and Serratia marcescens) were isolated from railway track fecal contaminant. These bacteria were identified by biochemical and molecular techniques. Titanium Substrate Insoluble Anode (TSIA) was used as anode; lead coated SS316 wire mesh was used as cathode in electrochemical system for CO 2 conversion. The Nafion 961 membrane was used for the transport of cations. The electrochemical experiments were carried out at current density of 100 mA/cm2. The final products of ammonium bicarbonate and formate were collected from the electrochemical cell and were analyzed by UV-visible spectrophotometry, Fourier transform infrared spectroscopy (FTIR) and Nuclear magnetic resonance spectroscopy (NMR) techniques.
KW - Bio-electrochemical system
KW - Biogenic ammonia
KW - Formate
KW - NMR
KW - TSIA
UR - http://www.scopus.com/inward/record.url?scp=84900490921&partnerID=8YFLogxK
U2 - 10.1016/j.jcou.2014.03.004
DO - 10.1016/j.jcou.2014.03.004
M3 - Article
AN - SCOPUS:84900490921
SN - 2212-9820
VL - 6
SP - 53
EP - 61
JO - Journal of CO2 Utilization
JF - Journal of CO2 Utilization
ER -
