Life Cycle Assessment and Water Footprint of Hydrogen Production Methods: From Conventional to Emerging Technologies

Agriculture & Biology

• biomass 10%
• biomass gasification 26%
• cells 5%
• coal 17%
• developmental stages 11%
• electrolysis 22%
• endpoints 35%
• environmental impact 63%
• environmental performance 66%
• fermentation 11%
• fuel cells 22%
• gasification 21%
• human health 15%
• hydrogen 14%
• hydrogen production 74%
• life cycle (organisms) 41%
• life cycle assessment 83%
• life cycle impact assessment 29%
• methodology 17%
• natural gas 19%
• oxides 15%
• production technology 27%
• protons 15%
• steam 15%
• water 26%
• water analysis 23%
• water footprint 100%
• water shortages 19%

Earth & Environmental Sciences

• analysis 3%
• assessment method 27%
• biomass 15%
• cell 8%
• coal gasification 15%
• damage 8%
• decision 16%
• economy 10%
• electrokinesis 12%
• environmental impact 40%
• environmental performance 43%
• fermentation 11%
• footprint 12%
• fuel cell 14%
• gasification 13%
• goods 13%
• human health 10%
• hydrogen 50%
• impact assessment 26%
• indicator 7%
• life cycle 53%
• life cycle analysis 16%
• membrane 8%
• method 14%
• natural environment 12%
• natural gas 11%
• oxide 9%
• product 6%
• production system 27%
• resource 7%
• services 8%
• state of the art 11%
• sustainability 9%
• water 15%
• water consumption 13%
• water footprint 86%
• water scarcity 14%

Engineering & Materials Science

• Biomass 8%
• Coal gasification 11%
• Electrolysis 10%
• Environmental impact 35%
• Fermentation 10%
• Gasification 9%
• Health 6%
• Hydrogen 7%
• Hydrogen production 72%
• Life cycle 56%
• Lignocellulosic biomass 12%
• Natural gas 8%
• Proton exchange membrane fuel cells (PEMFC) 10%
• Reforming reactions 10%
• Regenerative fuel cells 13%
• Steam reforming 11%
• Sustainable development 8%
• Water 35%