Evaluation of energy efficient low carbon hydrogen production concepts based on glycerol residues from biodiesel production

Zsolt Tasnadi-Asztalos, Paul Serban Agachi, Calin Cristian Cormos

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The need to develop energy efficient low carbon conversion processes is of critical importance today. Hydrogen production concepts using glycerol resulted as byproduct from biodiesel production, at industrial scale (100,000 Nm3/h hydrogen equivalent to 300 MWth), with and without carbon capture was evaluated in the present paper. Three hydrogen production routes based on glycerol processing with carbon capture were investigated: the first two concepts are based on glycerol steam and autothermal catalytic reforming coupled with gas-liquid absorption for carbon capture. The third concept is based on innovative energy-efficient chemical looping cycle using ilmenite as oxygen carrier. Similar designs without carbon capture have been developed for glycerol autothermal and steam reforming to quantify the energy penalty for carbon capture. The assessments show that chemical looping is by far the most promising option in terms of overall energy efficiency (higher than 72%) and carbon capture rate (higher than 97%). Reforming-based glycerol processing concepts with CO2 capture based on gas-liquid absorption have significantly lower energy efficiency (55-65%) and carbon capture rate (57-70%). Among evaluated reforming technologies, steam conversion performs better than autothermal option.

Original languageEnglish
Pages (from-to)7017-7027
Number of pages11
JournalInternational Journal of Hydrogen Energy
Volume40
Issue number22
DOIs
Publication statusPublished - Jan 1 2015

Fingerprint

Carbon capture
hydrogen production
Hydrogen production
Biodiesel
glycerols
Glycerol
Carbon
evaluation
carbon
steam
Reforming reactions
energy
Energy efficiency
Steam
Catalytic reforming
Ilmenite
Steam reforming
Liquids
ilmenite
Processing

All Science Journal Classification (ASJC) codes

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

Cite this

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abstract = "The need to develop energy efficient low carbon conversion processes is of critical importance today. Hydrogen production concepts using glycerol resulted as byproduct from biodiesel production, at industrial scale (100,000 Nm3/h hydrogen equivalent to 300 MWth), with and without carbon capture was evaluated in the present paper. Three hydrogen production routes based on glycerol processing with carbon capture were investigated: the first two concepts are based on glycerol steam and autothermal catalytic reforming coupled with gas-liquid absorption for carbon capture. The third concept is based on innovative energy-efficient chemical looping cycle using ilmenite as oxygen carrier. Similar designs without carbon capture have been developed for glycerol autothermal and steam reforming to quantify the energy penalty for carbon capture. The assessments show that chemical looping is by far the most promising option in terms of overall energy efficiency (higher than 72{\%}) and carbon capture rate (higher than 97{\%}). Reforming-based glycerol processing concepts with CO2 capture based on gas-liquid absorption have significantly lower energy efficiency (55-65{\%}) and carbon capture rate (57-70{\%}). Among evaluated reforming technologies, steam conversion performs better than autothermal option.",
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Evaluation of energy efficient low carbon hydrogen production concepts based on glycerol residues from biodiesel production. / Tasnadi-Asztalos, Zsolt; Agachi, Paul Serban; Cormos, Calin Cristian.

In: International Journal of Hydrogen Energy, Vol. 40, No. 22, 01.01.2015, p. 7017-7027.

Research output: Contribution to journalArticle

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