Synergistic Effects by Thermal and Biological Waste Treatment Facilities at Integrated Sites

Bio-waste treatment facilities are sources of greenhouse gases, like methane or nitrous oxide, which were formerly neglected and are now under discussion. The European Waste Framework Directive and following national laws will develop the separate collection of bio-wastes in the future and as a consequence also the greenhouse gas emission problem.

An approach for reducing greenhouse gas emissions from bio-waste treatment facilities is the integration of these plants into the infrastructure and operation of existing municipal solid waste incineration plants (MSWIP). The evaluation of this concept was carried out by a consortium of the consulting engineers ia GmbH, Munich and Qonversion, Bamberg, commissioned by the Association of the Bavarian waste incineration plants ATAB. The project was funded by the Bavarian Ministry for Environment.

Focus of the study was the minimization of the climate unfriendly greenhouse gas emissions methane and nitrous oxide from anaerobic digestion (AD) plants for bio-waste. Other synergy effects arising by the joint usage of infrastructure and manpower in the WSWI and AD plant were also investigated.

The ecological and economical effects of the integrated concept were studied exemplarily for three waste incineration sites with different capacities, each in connection with a digestion technology, specific for the different local conditions. The study clearly demonstrates that the integrated concept has a significant higher ecological efficiency:

• Greenhouse gas emissions can be reduced between 53 % and 69 %,

• Treatment costs can be reduced by 25 % in average.

 

For all three examples could be proven that the integrated operation of an anaerobic digestion plant for bio-waste on the site of a municipal solid waste incinerator has advantages compared with a green field plant for anaerobic digestion. The realization of such concept is advised - also for reasons of public acceptance.

 

 

Rechtliche und praktische Unsicherheiten bei der Durchführung des europäischen Klimaanpassungsrechts durch das Bundes- Klimaanpassungsgesetz (KAnG)
© Lexxion Verlagsgesellschaft mbH (6/2025)
In the context of the European Climate Law (EU) 2021/1119), the Governance Regulation (EU) 2018/1999 and the Nature Restoration Regulation (EU) 2024/1991, the KAnG came into force on July 1, 2024.

Transformatives Klimarecht: Raum, Zeit, Gesellschaft
© Lexxion Verlagsgesellschaft mbH (6/2025)
This article contends that climate law should be conceived as inherently transformative in a double sense. The law not only guides the necessary transformation of economy and society, but is itself undergoing transformation.

Maßnahmen zur Klimaanpassung sächsischer Talsperren
© Springer Vieweg | Springer Fachmedien Wiesbaden GmbH (5/2025)
Die Landestalsperrenverwaltung des Freistaates Sachsen (LTV) betreibt aktuell insgesamt 87 Stauanlagen, darunter 25 Trinkwassertalsperren. Der Stauanlagenbestand ist historisch gewachsen und wurde für unterschiedliche Zwecke errichtet.

 

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