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Process4Sustainability climate-neutral process industry in Hesse
Each one of us has one, but few know what it actually means: the CO₂ footprint. The CO₂ footprint describes the amount of greenhouse gases and CO₂ emissions generated through human activities. Every individual has a CO₂ footprint, which is calculated from the CO₂ emissions per capita. Likewise, communities, organizations and companies also have an environmental footprint that can be calculated.
At Industriepark Höchst, energy and waste streams are jointly used or produced by the companies at the site. Infraserv Höchst, the site operator, generates most of its own electricity, supplies gas, water, heating, cooling and raw materials, and operates a waste disposal and recycling system. These synergistic effects enable the Industriepark to achieve cost savings on the one hand, and on the other, to reduce the joint CO₂ footprint at the site and operate more sustainably. Despite these joint initiatives, there is still great technological and non-technological potential for reducing overall CO₂ emissions, which we want to identify and implement together with the cluster partners.
Scenarios
Based on a study by the German Chemical Industry Association (VCI) and in collaboration with DECHEMA, we have been able to identify three technology pathways for Industriepark Höchst together with our cluster partners. The technology paths are based on a calculation of current direct and indirect emissions as well as assumptions about future growth trends, efficiency gains and potential developments at the Industriepark.
The "business-as-usual" (BAU) concept - which meets its heating and electricity needs primarily using fossil fuels - is contrasted with three technology paths, each of which is linked to specific conditions for success:
TECHNOLOGY PATH 1: ELECTRIFICATION
Use of electrode boilers to progressively electrify heat (using green power) and carbon capture and storage (CCS)
External conditions for success:
Electrical connected load
Purchase of green electricity
CO₂ infrastructure
Regulations for CCS
Internal success requirements:
Capture of CO₂ at point sources
TECHNOLOGY PATH 2: HYDROGEN
Replacement of natural gas in combined heat and power (CHP) plants with hydrogen and use of CCS
External conditions for success:
Hydrogen availability
Hydrogen pipelines; CO₂ infrastructure
Regulations for CCS
Internal success conditions:
Conversion of CHP to hydrogen
Separation of CO₂
TECHNOLOGY PATH 3: TECHNOLOGY MIX
Replacement of natural gas in the CHP with hydrogen and a high proportion of biogas, use of electrode boilers for progressive electrification and use of CCS
External conditions for success:
Hydrogen availability
Hydrogen pipelines
electrical connected load
Purchase of green electricity
CO₂ infrastructure
Availability of biogas
Regulations for CCS
Conditions for success internally:
Conversion of CHP to hydrogen
Separation of CO₂
The calculations of the three technology paths show that the climate targets can only be achieved with a broad selection of technologies (technology path 3). Biomethane, hydrogen as fuel gas, green electricity, CCUS, the progressive electrification of heat supply and the respective infrastructure are of particular importance.
Are you interested in learning more about the different scenarios?
If you are interested in further information on the technology paths, please contact us.
COOPERATION OFFERS
What could your company's specific transformation path look like? We would be happy to support you in calculating your CO₂ footprint and developing your company-specific transformation path.
Interested in cooperating?
Your contact persons
Prof. Dr. Hannes Utikal
Head of Center for Industry and Sustainability (ZIN), Provadis School
