Impact of Grid Gas Requirements on Hydrogen Blending Levels

The aim of the article is to determine what amount of hydrogen in %mol can be transferred/stored in the Estonian, Latvian and Lithuanian grid gas networks, based on the limitations of chemical and physical requirements, technical requirements of the gas network, and quality requirements. The main ch...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Latõšov Eduard, Pakere Ieva, Murauskaite Lina, Volkova Anna
Formato:	article
Lenguaje:	EN
Publicado:	Sciendo 2021
Materias:	green gas h2 natural gas relative density wobbe index Renewable energy sources TJ807-830
Acceso en línea:	https://doaj.org/article/205930b212654a8fbb780e7b7bd5bb5a
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:205930b212654a8fbb780e7b7bd5bb5a
record_format	dspace
spelling	oai:doaj.org-article:205930b212654a8fbb780e7b7bd5bb5a2021-12-05T14:11:11ZImpact of Grid Gas Requirements on Hydrogen Blending Levels2255-883710.2478/rtuect-2021-0052https://doaj.org/article/205930b212654a8fbb780e7b7bd5bb5a2021-01-01T00:00:00Zhttps://doi.org/10.2478/rtuect-2021-0052https://doaj.org/toc/2255-8837The aim of the article is to determine what amount of hydrogen in %mol can be transferred/stored in the Estonian, Latvian and Lithuanian grid gas networks, based on the limitations of chemical and physical requirements, technical requirements of the gas network, and quality requirements. The main characteristics for the analysis of mixtures of hydrogen and natural gas are the Wobbe Index, relative density, methane number, and calorific value. The calculation of the effects of hydrogen blending on the above main characteristics of a real grid gas is based on the principles described in ISO 6976:2016 and the distribution of the grid gas mole fraction components from the grid gas quality reports. The Wärtsila methane number calculator was used to illustrate the effects of hydrogen blending on the methane number of the grid gas. The calculation results show that the maximum hydrogen content in the grid gas (hydrogen and natural gas mix), depending on the grid gas quality parameters (methane number, gross heat of combustion, specific gravity, and the Wobbe Index), is in the range of 5–23 %mol H2. The minimum hydrogen content (5 %mol H2) is limited by specific gravity (>0.55). The next limitation is at 12 %mol H2 and is related to the gross heat of combustion (>9.69 kWh/m3). It is advisable to explore the readiness of gas grids and consumers in Estonia, Latvia and Lithuania before switching to higher hydrogen blend levels. If the applicability and safety of hydrogen blends above 5 %mol is approved, then it is necessary to analyse the possible reduction of the minimum requirements for the quality of the grid gas and evaluate the associated risks (primarily related to specific gravity).Latõšov EduardPakere IevaMurauskaite LinaVolkova AnnaSciendoarticlegreen gash2natural gasrelative densitywobbe indexRenewable energy sourcesTJ807-830ENEnvironmental and Climate Technologies, Vol 25, Iss 1, Pp 688-699 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	green gas h2 natural gas relative density wobbe index Renewable energy sources TJ807-830
spellingShingle	green gas h2 natural gas relative density wobbe index Renewable energy sources TJ807-830 Latõšov Eduard Pakere Ieva Murauskaite Lina Volkova Anna Impact of Grid Gas Requirements on Hydrogen Blending Levels
description	The aim of the article is to determine what amount of hydrogen in %mol can be transferred/stored in the Estonian, Latvian and Lithuanian grid gas networks, based on the limitations of chemical and physical requirements, technical requirements of the gas network, and quality requirements. The main characteristics for the analysis of mixtures of hydrogen and natural gas are the Wobbe Index, relative density, methane number, and calorific value. The calculation of the effects of hydrogen blending on the above main characteristics of a real grid gas is based on the principles described in ISO 6976:2016 and the distribution of the grid gas mole fraction components from the grid gas quality reports. The Wärtsila methane number calculator was used to illustrate the effects of hydrogen blending on the methane number of the grid gas. The calculation results show that the maximum hydrogen content in the grid gas (hydrogen and natural gas mix), depending on the grid gas quality parameters (methane number, gross heat of combustion, specific gravity, and the Wobbe Index), is in the range of 5–23 %mol H2. The minimum hydrogen content (5 %mol H2) is limited by specific gravity (>0.55). The next limitation is at 12 %mol H2 and is related to the gross heat of combustion (>9.69 kWh/m3). It is advisable to explore the readiness of gas grids and consumers in Estonia, Latvia and Lithuania before switching to higher hydrogen blend levels. If the applicability and safety of hydrogen blends above 5 %mol is approved, then it is necessary to analyse the possible reduction of the minimum requirements for the quality of the grid gas and evaluate the associated risks (primarily related to specific gravity).
format	article
author	Latõšov Eduard Pakere Ieva Murauskaite Lina Volkova Anna
author_facet	Latõšov Eduard Pakere Ieva Murauskaite Lina Volkova Anna
author_sort	Latõšov Eduard
title	Impact of Grid Gas Requirements on Hydrogen Blending Levels
title_short	Impact of Grid Gas Requirements on Hydrogen Blending Levels
title_full	Impact of Grid Gas Requirements on Hydrogen Blending Levels
title_fullStr	Impact of Grid Gas Requirements on Hydrogen Blending Levels
title_full_unstemmed	Impact of Grid Gas Requirements on Hydrogen Blending Levels
title_sort	impact of grid gas requirements on hydrogen blending levels
publisher	Sciendo
publishDate	2021
url	https://doaj.org/article/205930b212654a8fbb780e7b7bd5bb5a
work_keys_str_mv	AT latosoveduard impactofgridgasrequirementsonhydrogenblendinglevels AT pakereieva impactofgridgasrequirementsonhydrogenblendinglevels AT murauskaitelina impactofgridgasrequirementsonhydrogenblendinglevels AT volkovaanna impactofgridgasrequirementsonhydrogenblendinglevels
_version_	1718371284641906688

Impact of Grid Gas Requirements on Hydrogen Blending Levels

Ejemplares similares