Electrolysis of coal slurries to produce hydrogen gas: Relationship between CO2 and H2 formation

Arif Hesenov; Hatice Knk; Gökçen Puli; Belgin Gözmen; Sibel Irmak; Oktay Erbatur

doi:10.1016/j.ijhydene.2011.02.017

Electrolysis of coal slurries to produce hydrogen gas: Relationship between CO₂ and H₂ formation

Arif Hesenov, Hatice Knk, Gökçen Puli, Belgin Gözmen, Sibel Irmak, Oktay Erbatur

Agricultural & Biological Engineering

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

29 Scopus citations

Abstract

The purpose of this study was to produce hydrogen gas by electrolysis of coal slurries and to investigate the relation between hydrogen (H₂) and carbon dioxide (CO₂) formation. Electrolysis of coal slurries was evaluated at 40 °C and 1.0 V cell potential to examine H₂ and CO₂relationship. When electrolysis was performed after the coal slurry was mixed with Fe(II)/Fe(III) ions and stirred overnight (>12 h), no CO₂ gas was observed at the anode compartment. The results of total organic carbon (TOC) indicated that after electrolysis, few organic compounds were transformed into the solution and these organic compounds did not convert into CO₂. GC analysis, on the other hand, revealed that the H ₂ collected at the cathode was pure and did not require any further purification process. Hydrogen generation or electrolysis efficiency of coal slurries cannot be calculated or estimated by examining CO₂ generation as reported in the literature. Low temperature and low cell potential were not sufficient to oxidize coal quantitatively.

Original language	English (US)
Pages (from-to)	5361-5368
Number of pages	8
Journal	International Journal of Hydrogen Energy
Volume	36
Issue number	9
DOIs	https://doi.org/10.1016/j.ijhydene.2011.02.017
State	Published - May 2011

All Science Journal Classification (ASJC) codes

Renewable Energy, Sustainability and the Environment
Fuel Technology
Condensed Matter Physics
Energy Engineering and Power Technology

UN SDGs

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

Access to Document

10.1016/j.ijhydene.2011.02.017

Cite this

@article{fef043acdc3f4b4b9e3b30d5cc22031c,

title = "Electrolysis of coal slurries to produce hydrogen gas: Relationship between CO2 and H2 formation",

abstract = "The purpose of this study was to produce hydrogen gas by electrolysis of coal slurries and to investigate the relation between hydrogen (H2) and carbon dioxide (CO2) formation. Electrolysis of coal slurries was evaluated at 40 °C and 1.0 V cell potential to examine H2 and CO2relationship. When electrolysis was performed after the coal slurry was mixed with Fe(II)/Fe(III) ions and stirred overnight (>12 h), no CO2 gas was observed at the anode compartment. The results of total organic carbon (TOC) indicated that after electrolysis, few organic compounds were transformed into the solution and these organic compounds did not convert into CO2. GC analysis, on the other hand, revealed that the H 2 collected at the cathode was pure and did not require any further purification process. Hydrogen generation or electrolysis efficiency of coal slurries cannot be calculated or estimated by examining CO2 generation as reported in the literature. Low temperature and low cell potential were not sufficient to oxidize coal quantitatively.",

author = "Arif Hesenov and Hatice Knk and G{\"o}k{\c c}en Puli and Belgin G{\"o}zmen and Sibel Irmak and Oktay Erbatur",

note = "Funding Information: We gratefully acknowledge for the financial support from Scientific and Technical Research Council of Turkey (TUBITAK) (The project number: MAG 106M306).",

year = "2011",

month = may,

doi = "10.1016/j.ijhydene.2011.02.017",

language = "English (US)",

volume = "36",

pages = "5361--5368",

journal = "International Journal of Hydrogen Energy",

issn = "0360-3199",

publisher = "Elsevier Ltd",

number = "9",

}

TY - JOUR

T1 - Electrolysis of coal slurries to produce hydrogen gas

T2 - Relationship between CO2 and H2 formation

AU - Hesenov, Arif

AU - Knk, Hatice

AU - Puli, Gökçen

AU - Gözmen, Belgin

AU - Irmak, Sibel

AU - Erbatur, Oktay

N1 - Funding Information: We gratefully acknowledge for the financial support from Scientific and Technical Research Council of Turkey (TUBITAK) (The project number: MAG 106M306).

PY - 2011/5

Y1 - 2011/5

N2 - The purpose of this study was to produce hydrogen gas by electrolysis of coal slurries and to investigate the relation between hydrogen (H2) and carbon dioxide (CO2) formation. Electrolysis of coal slurries was evaluated at 40 °C and 1.0 V cell potential to examine H2 and CO2relationship. When electrolysis was performed after the coal slurry was mixed with Fe(II)/Fe(III) ions and stirred overnight (>12 h), no CO2 gas was observed at the anode compartment. The results of total organic carbon (TOC) indicated that after electrolysis, few organic compounds were transformed into the solution and these organic compounds did not convert into CO2. GC analysis, on the other hand, revealed that the H 2 collected at the cathode was pure and did not require any further purification process. Hydrogen generation or electrolysis efficiency of coal slurries cannot be calculated or estimated by examining CO2 generation as reported in the literature. Low temperature and low cell potential were not sufficient to oxidize coal quantitatively.

AB - The purpose of this study was to produce hydrogen gas by electrolysis of coal slurries and to investigate the relation between hydrogen (H2) and carbon dioxide (CO2) formation. Electrolysis of coal slurries was evaluated at 40 °C and 1.0 V cell potential to examine H2 and CO2relationship. When electrolysis was performed after the coal slurry was mixed with Fe(II)/Fe(III) ions and stirred overnight (>12 h), no CO2 gas was observed at the anode compartment. The results of total organic carbon (TOC) indicated that after electrolysis, few organic compounds were transformed into the solution and these organic compounds did not convert into CO2. GC analysis, on the other hand, revealed that the H 2 collected at the cathode was pure and did not require any further purification process. Hydrogen generation or electrolysis efficiency of coal slurries cannot be calculated or estimated by examining CO2 generation as reported in the literature. Low temperature and low cell potential were not sufficient to oxidize coal quantitatively.

UR - http://www.scopus.com/inward/record.url?scp=79954430735&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=79954430735&partnerID=8YFLogxK

U2 - 10.1016/j.ijhydene.2011.02.017

DO - 10.1016/j.ijhydene.2011.02.017

M3 - Article

AN - SCOPUS:79954430735

SN - 0360-3199

VL - 36

SP - 5361

EP - 5368

JO - International Journal of Hydrogen Energy

JF - International Journal of Hydrogen Energy

IS - 9

ER -