Photochemical hydrocarbon fuel regeneration: Hydrogen-rich fuel from CO2

Dmitry Pashchenko

doi:10.1016/j.ijhydene.2022.06.002

Photochemical hydrocarbon fuel regeneration: Hydrogen-rich fuel from CO₂

Dmitry Pashchenko

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

12 Scopus citations

Abstract

This paper presents the concept of photochemical hydrocarbon fuel regeneration by CO₂ transformation to hydrogen-rich fuel. The first stage of this system is CO₂ capture and algae (Chlorella vulgaris) growing. The second stage is the gasification of algae biomass to produce hydrogen-rich gas and its combustion. To compile the heat and mass balance, the thermodynamic analysis was performed under various operating parameters: temperature 400–800 °C, pressure 1–10 bar 1 kg of biomass was gasified with 1.2 kg of water. The heat of combustion of hydrogen-rich gas after gasification is up to 43% higher than the heat of combustion of initial biomass. The fuel regeneration degree is up to 0.9 when 30% of CO₂ is captured by water and proceded by algae. Moreover, the analyzed photochemical fuel regeneration system allows heat recuperation. The heat regeneration degree is calculated and the maximum value is about 0.9 is reached at 600 °C.

Original language	English
Pages (from-to)	25531-25540
Number of pages	10
Journal	International Journal of Hydrogen Energy
Volume	47
Issue number	61
DOIs	https://doi.org/10.1016/j.ijhydene.2022.06.002
State	Published - 19 Jul 2022
Externally published	Yes

Keywords

Biomass
COcapture
Fuel regeneration
Hydrogen-rich fuel
Thermodynamic analysis

UN SDGs

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

Access to Document

10.1016/j.ijhydene.2022.06.002

Cite this

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title = "Photochemical hydrocarbon fuel regeneration: Hydrogen-rich fuel from CO2",

abstract = "This paper presents the concept of photochemical hydrocarbon fuel regeneration by CO2 transformation to hydrogen-rich fuel. The first stage of this system is CO2 capture and algae (Chlorella vulgaris) growing. The second stage is the gasification of algae biomass to produce hydrogen-rich gas and its combustion. To compile the heat and mass balance, the thermodynamic analysis was performed under various operating parameters: temperature 400–800 °C, pressure 1–10 bar 1 kg of biomass was gasified with 1.2 kg of water. The heat of combustion of hydrogen-rich gas after gasification is up to 43% higher than the heat of combustion of initial biomass. The fuel regeneration degree is up to 0.9 when 30% of CO2 is captured by water and proceded by algae. Moreover, the analyzed photochemical fuel regeneration system allows heat recuperation. The heat regeneration degree is calculated and the maximum value is about 0.9 is reached at 600 °C.",

keywords = "Biomass, COcapture, Fuel regeneration, Hydrogen-rich fuel, Thermodynamic analysis",

author = "Dmitry Pashchenko",

note = "Publisher Copyright: {\textcopyright} 2022 Hydrogen Energy Publications LLC",

year = "2022",

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TY - JOUR

T1 - Photochemical hydrocarbon fuel regeneration

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AU - Pashchenko, Dmitry

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N2 - This paper presents the concept of photochemical hydrocarbon fuel regeneration by CO2 transformation to hydrogen-rich fuel. The first stage of this system is CO2 capture and algae (Chlorella vulgaris) growing. The second stage is the gasification of algae biomass to produce hydrogen-rich gas and its combustion. To compile the heat and mass balance, the thermodynamic analysis was performed under various operating parameters: temperature 400–800 °C, pressure 1–10 bar 1 kg of biomass was gasified with 1.2 kg of water. The heat of combustion of hydrogen-rich gas after gasification is up to 43% higher than the heat of combustion of initial biomass. The fuel regeneration degree is up to 0.9 when 30% of CO2 is captured by water and proceded by algae. Moreover, the analyzed photochemical fuel regeneration system allows heat recuperation. The heat regeneration degree is calculated and the maximum value is about 0.9 is reached at 600 °C.

AB - This paper presents the concept of photochemical hydrocarbon fuel regeneration by CO2 transformation to hydrogen-rich fuel. The first stage of this system is CO2 capture and algae (Chlorella vulgaris) growing. The second stage is the gasification of algae biomass to produce hydrogen-rich gas and its combustion. To compile the heat and mass balance, the thermodynamic analysis was performed under various operating parameters: temperature 400–800 °C, pressure 1–10 bar 1 kg of biomass was gasified with 1.2 kg of water. The heat of combustion of hydrogen-rich gas after gasification is up to 43% higher than the heat of combustion of initial biomass. The fuel regeneration degree is up to 0.9 when 30% of CO2 is captured by water and proceded by algae. Moreover, the analyzed photochemical fuel regeneration system allows heat recuperation. The heat regeneration degree is calculated and the maximum value is about 0.9 is reached at 600 °C.

KW - Biomass

KW - COcapture

KW - Fuel regeneration

KW - Hydrogen-rich fuel

KW - Thermodynamic analysis

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