Close Go back Collapse all sections
Process Data set: Steam methane reforming (en) en zh

Key Data Set Information
Location CN
Reference year 2021
Name
Steam methane reforming
Use advice for data set When utilizing this data set for life cycle assessment (LCA), users must account for the upstream environmental impacts associated with natural gas extraction and processing. Also, the inclusion of by-product allocation for CO2 produced in the process should be considered. If the hydrogen is used as a feedstock, the consequential environmental impacts of its downstream applications must also be included in the LCA.
Technical purpose of product or process This industrial process description outlines the production of hydrogen gas via steam methane reforming, which is suitable for applications requiring high-purity hydrogen. This includes fuel cell technology, the manufacture of electronic components, and as a feedstock for various chemical synthesis processes in the chemical industry.
Classification
Class name : Hierarchy level
  • ILCD: Unit processes / Energy carriers and technologies / Heat and steam
General comment on data set the externally supplied natural gas was mixed with steam and then put into the reforming reactor at 800°C and 1.3 MPa. The products of the steam reforming reaction were cooled to 350°C and then entered into the water–gas conversion reactor, where carbon monoxide (CO) and H2O were converted into carbon dioxide (CO2) and hydrogen. Then the hydrogen was separated by pressure swing adsorption (PSA)
Copyright No
Owner of data set
Quantitative reference
Reference flow(s)
Functional Unit 15.8 kg H2 (hydrogen as an intermediate product)
Time representativeness
Time representativeness description the publication date of the article
Technological representativeness
Flow diagram(s) or picture(s)
  • Ys7AbDu78oiNuyxJNGvcr6Wanyd.png Image
LCI method and allocation
Type of data set Unit process, single operation
LCI Method Principle Attributional
Deviation from LCI method principle / explanations None
Deviation from modelling constants / explanations None
Data sources, treatment and representativeness
Deviation from data cut-off and completeness principles / explanations None
Deviation from data selection and combination principles / explanations None
Deviation from data treatment and extrapolations principles / explanations None
Data source(s) used for this data set
Completeness
Completeness of product model No statement
Validation
Type of review
Dependent internal review
Reviewer name and institution
Data generator
Data set generator / modeller
Data entry by
Time stamp (last saved) 2024-03-28T20:27:24+08:00
Publication and ownership
UUID c07eb620-1a71-490e-b871-3e5ef1037cbe
Date of last revision 2024-04-20T15:21:33.174154+08:00
Data set version 00.01.005
Permanent data set URI https://lcadata.tiangong.world/showProcess.xhtml?uuid=c07eb620-1a71-490e-b871-3e5ef1037cbe&version=01.00.000&stock=TianGong
Owner of data set
Copyright No
License type Free of charge for all users and uses

Inputs

Type of flow Classification Flow Location Mean amount Resulting amount Minimum amount Maximum amount
Product flow
Energy carriers and technologies / Heat and steam 60.12 MJ60.12 MJ
General comment or 135.9 MJ
Product flow
Materials production / Other mineralic materials 40.08 kg40.08 kg
General comment or 2177.4 MJ
Product flow Energy carriers and technologies / Electricity 422.64000000000004 MJ422.64000000000004 MJ

Outputs

Type of flow Classification Flow Location Mean amount Resulting amount Minimum amount Maximum amount
Product flow
Materials production / Inorganic chemicals 15.8 kg15.8 kg
General comment or 2239.3 MJ