Microbial Reverse-Electrodialysis Electrolysis and Chemical-Production Cell for H                         2                          Production and CO                         2                          Sequestration

Xiuping Zhu; Marta C. Hatzell; Bruce E. Logan

doi:10.1021/ez500073q

Microbial Reverse-Electrodialysis Electrolysis and Chemical-Production Cell for H ₂ Production and CO ₂ Sequestration

Xiuping Zhu, Marta C. Hatzell, Bruce E. Logan

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

45 Scopus citations

Abstract

Natural mineral carbonation can be accelerated using acid and alkali solutions to enhance atmospheric CO ₂ sequestration, but the production of these solutions needs to be carbon-neutral. A microbial reverse-electrodialysis electrolysis and chemical-production cell (MRECC) was developed to produce these solutions and H ₂ gas using only renewable energy sources (organic matter and salinity gradient). Using acetate (0.82 g/L) as a fuel for microorganisms to generate electricity in the anode chamber (liquid volume of 28 mL), 0.45 mmol of acid and 1.09 mmol of alkali were produced at production efficiencies of 35% and 86%, respectively, along with 10 mL of H ₂ gas. Serpentine dissolution was enhanced 17-87-fold using the acid solution, with approximately 9 mL of CO ₂ absorbed and 4 mg of CO ₂ fixed as magnesium or calcium carbonates. The operational costs, based on mineral digging and grinding, and water pumping, were estimated to be only $25/metric ton of CO ₂ fixed as insoluble carbonates. Considering the additional economic benefits of H ₂ generation and possible wastewater treatment, this method may be a cost-effective and environmentally friendly method for CO ₂ sequestration.

Original language	English (US)
Pages (from-to)	231-235
Number of pages	5
Journal	Environmental Science and Technology Letters
Volume	1
Issue number	4
DOIs	https://doi.org/10.1021/ez500073q
State	Published - Apr 8 2014

All Science Journal Classification (ASJC) codes

Environmental Chemistry
Ecology
Water Science and Technology
Waste Management and Disposal
Pollution
Health, Toxicology and Mutagenesis

UN SDGs

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

Access to Document

10.1021/ez500073q

Cite this

Zhu, X., Hatzell, M. C., & Logan, B. E. (2014). Microbial Reverse-Electrodialysis Electrolysis and Chemical-Production Cell for H ₂ Production and CO ₂ Sequestration Environmental Science and Technology Letters, 1(4), 231-235. https://doi.org/10.1021/ez500073q

Zhu, Xiuping ; Hatzell, Marta C. ; Logan, Bruce E. / Microbial Reverse-Electrodialysis Electrolysis and Chemical-Production Cell for H ₂ Production and CO ₂ Sequestration In: Environmental Science and Technology Letters. 2014 ; Vol. 1, No. 4. pp. 231-235.

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title = " Microbial Reverse-Electrodialysis Electrolysis and Chemical-Production Cell for H 2 Production and CO 2 Sequestration ",

abstract = " Natural mineral carbonation can be accelerated using acid and alkali solutions to enhance atmospheric CO 2 sequestration, but the production of these solutions needs to be carbon-neutral. A microbial reverse-electrodialysis electrolysis and chemical-production cell (MRECC) was developed to produce these solutions and H 2 gas using only renewable energy sources (organic matter and salinity gradient). Using acetate (0.82 g/L) as a fuel for microorganisms to generate electricity in the anode chamber (liquid volume of 28 mL), 0.45 mmol of acid and 1.09 mmol of alkali were produced at production efficiencies of 35% and 86%, respectively, along with 10 mL of H 2 gas. Serpentine dissolution was enhanced 17-87-fold using the acid solution, with approximately 9 mL of CO 2 absorbed and 4 mg of CO 2 fixed as magnesium or calcium carbonates. The operational costs, based on mineral digging and grinding, and water pumping, were estimated to be only $25/metric ton of CO 2 fixed as insoluble carbonates. Considering the additional economic benefits of H 2 generation and possible wastewater treatment, this method may be a cost-effective and environmentally friendly method for CO 2 sequestration.",

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Zhu, X, Hatzell, MC & Logan, BE 2014, ' Microbial Reverse-Electrodialysis Electrolysis and Chemical-Production Cell for H ₂ Production and CO ₂ Sequestration ', Environmental Science and Technology Letters, vol. 1, no. 4, pp. 231-235. https://doi.org/10.1021/ez500073q

Microbial Reverse-Electrodialysis Electrolysis and Chemical-Production Cell for H ₂ Production and CO ₂ Sequestration . / Zhu, Xiuping; Hatzell, Marta C.; Logan, Bruce E.
In: Environmental Science and Technology Letters, Vol. 1, No. 4, 08.04.2014, p. 231-235.

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

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N2 - Natural mineral carbonation can be accelerated using acid and alkali solutions to enhance atmospheric CO 2 sequestration, but the production of these solutions needs to be carbon-neutral. A microbial reverse-electrodialysis electrolysis and chemical-production cell (MRECC) was developed to produce these solutions and H 2 gas using only renewable energy sources (organic matter and salinity gradient). Using acetate (0.82 g/L) as a fuel for microorganisms to generate electricity in the anode chamber (liquid volume of 28 mL), 0.45 mmol of acid and 1.09 mmol of alkali were produced at production efficiencies of 35% and 86%, respectively, along with 10 mL of H 2 gas. Serpentine dissolution was enhanced 17-87-fold using the acid solution, with approximately 9 mL of CO 2 absorbed and 4 mg of CO 2 fixed as magnesium or calcium carbonates. The operational costs, based on mineral digging and grinding, and water pumping, were estimated to be only $25/metric ton of CO 2 fixed as insoluble carbonates. Considering the additional economic benefits of H 2 generation and possible wastewater treatment, this method may be a cost-effective and environmentally friendly method for CO 2 sequestration.

AB - Natural mineral carbonation can be accelerated using acid and alkali solutions to enhance atmospheric CO 2 sequestration, but the production of these solutions needs to be carbon-neutral. A microbial reverse-electrodialysis electrolysis and chemical-production cell (MRECC) was developed to produce these solutions and H 2 gas using only renewable energy sources (organic matter and salinity gradient). Using acetate (0.82 g/L) as a fuel for microorganisms to generate electricity in the anode chamber (liquid volume of 28 mL), 0.45 mmol of acid and 1.09 mmol of alkali were produced at production efficiencies of 35% and 86%, respectively, along with 10 mL of H 2 gas. Serpentine dissolution was enhanced 17-87-fold using the acid solution, with approximately 9 mL of CO 2 absorbed and 4 mg of CO 2 fixed as magnesium or calcium carbonates. The operational costs, based on mineral digging and grinding, and water pumping, were estimated to be only $25/metric ton of CO 2 fixed as insoluble carbonates. Considering the additional economic benefits of H 2 generation and possible wastewater treatment, this method may be a cost-effective and environmentally friendly method for CO 2 sequestration.

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Zhu X, Hatzell MC, Logan BE. Microbial Reverse-Electrodialysis Electrolysis and Chemical-Production Cell for H ₂ Production and CO ₂ Sequestration Environmental Science and Technology Letters. 2014 Apr 8;1(4):231-235. doi: 10.1021/ez500073q