Blue hydrogen is gray hydrogen, but its carbon dioxide is captured and stored as it is produced. Unlike its green counterpart, gray hydrogen thus contributes directly to the global greenhouse effect.īlue hydrogen. As a rule, the carbon dioxide produced in this process is then released unused into the atmosphere.
In a process known as steam reforming, natural gas is converted into hydrogen and carbon dioxide under heat. Gray hydrogen is obtained from fossil fuels. Since the power required comes from renewable sources, hydrogen production – regardless of the electrolysis technology selected – is correspondingly CO 2-free. Green hydrogen is produced by electrolysis from water, with the electricity required for electrolysis coming exclusively from renewable sources. its process-related origin.Īlthough hydrogen is a colorless gas, it carries different color designations depending on its origin in the production process: Systemic issues dominate at the latest in the optimal design of sector integration, so that macromodeling plays an important role.Ī current example deals here with the “color” of hydrogen, i.e. 2.3.3, sector coupling here means in particular the coupling of the sectors heating or cooling supply and transport with the electricity sector. The often high efficiency and automation of electrified sectors make sector coupling interesting. For highly inustrialized countries with temperate climate in the middle latitues, the heat and transport sectors are the most relevant under other climatic and geographical conditions, sectors such as water desalination or cooling are worth mentioning. For this reason, the other energy sectors have rightly come into focus in recent years. Today, it is becoming clear for decarbonization in countries like Germany, which have been on this path for some time, that further progress in the electricity sector alone can only be realized at sharply rising costs. The measures had focused solely on the electricity sector. At the beginning of the energy transition, progress was essentially demonstrated by the technological optimization of power generation from renewable resources and their increasing share in total electricity production.
0 kommentar(er)
