Research & Development

BN Umwelt Rostock

We apply our technical knowledge in the practical implementation of research subjects and development topics. In this context, we are involved in the development of technical details as well as in the development of new process engineering systems.

Thus, we are focused on the process development in the field of bioenergy, while using the facilities of a pilot plant in Rosenow.

Public Private Partnership projects in Brazil and Tunisia

develoPPP project: “Establishing a municipal organisational and administrative structure in waste and recycling management in Brazil” (2012-2014)

The goal of the PPP project was to create an organisational and operational structure for waste management that not only complies with legal requirements for environmental and climate protection, but also enables pioneering implementation of an advanced, socially acceptable waste and recycling economy in the Médio Vale do Itajaí region in the state of Santa Catarina, which has a catchment area of around 670,000 inhabitants.

In the course of the project, the company succeeded in transferring waste management expertise from Germany to the target country of Brazil through the use of face-to-face events, delegation trips, and traineeships. Representatives of partner institution AMMVI and other municipal and cross-regional associations, as well as employees and students from the university in Blumenau and the general public, received training on aspects of waste management, environmental protection and resource conservation.

develoPPP project “Development of models for a socially acceptable fee system for a cost-covering recycling management system in selected regions of Vale do Itajaí in Santa Catarina, Brazil” (2014-2016)

BN Umwelt GmbH, Rostock has been active in the state of Santa Catarina in Brazil since 2009. The company advises the Blumenau-based special-purpose association Associação dos Municípios do Médio Vale do Itajaí (AMMVI) on questions relating to recycling and waste management, and the implementation of specific waste treatment and landfill measures. A PPP project (2012-2014) supported by Deutsche Investitions- und Entwicklungsgesellschaft mbH (DEG) which had previously been implemented involved the successful development of proposals for establishing a municipal organisational and administrative structure in waste and recycling management in the Santa Catarina region.

In the course of the project work it was found that generally – even with additional collaborating associations in Santa Catarina – there was neither reliable information on resulting costs for the recycling and/or waste management organisation, nor knowledge of the actual amount of the revenue via fees paid to the responsible municipalities and associations by citizens and contractors.
In addition to determining the actual costs of waste management and analysing the current status of the waste management system, the project seeks to develop a fee model that utilises the “polluter pays” principle, which is both socially acceptable and cost-covering, and which can be transferred to other regions in Santa Catarina and respectively other states in Brazil. Aside from economic aspects, the particular priority is to create a legal basis in the form of a fee schedule and the capability to collect fees.

If successful, the project implementation in this economically stable region of Brazil will serve as a prototype, and it is expected that it will be transferable to many regions in Brazil and Latin America.

The project was co-financed by the DEG, using public funds from the Federal Ministry of Economic Cooperation and Development.

develoPPP project “Know-how transfer and adaptation of mechanical and biological waste treatment concepts in Tunisia” (2020-2021)

The focus of the develoPPP project for Tunisia was to plan a mechanical and biological waste treatment plant customised to the Tunisian market, with adapted plant and treatment engineering. In addition, detailed guidelines were created and published in the form of a learning module for planning and building a mechanical and biological waste treatment plant (MBA) as well as organisational processes for the company and the structural establishment of the adapted plant:
supported by Deutsche Investitions- und Entwicklungsgesellschaft (DEG), Cologne.

Further projects

Recycling management of green waste in Bizerte / Tunisia

The first project phase was focused on developing a feasibility study for the construction and operation of a composting plant for green waste in the port city of Bizerte, Tunisia. With this goal in mind, BN Umwelt GmbH evaluated the Bizerte site that was suggested by the municipality and developed a concept for construction and procedures.

The second project phase involved preparing execution planning and the awarding of project process engineering contracts, including construction supervision and support for commissioning of the composting plant. Machine technology suitable for the site was selected and its procurement was supported. The plant in Bizerte has been successfully put into operation by the municipality.

Prospective synergetic planning of development options in regiopolises based on the example of the area surrounding the city of Rostock (2018-2023).

Joint development of areas surrounding cities increasingly represents the core issue for safeguarding the future viability of regiopolises. This is all the more true for regiopolises which are predominantly agricultural, and located at a distance from metropolitan regions. In such places attractive conditions must be guaranteed to preserve and develop the regional economy.

For the Rostock regiopolis region, the PROSPER-RO project is investigating how land as a resource and selected infrastructural developments can be jointly planned by the city and district administrations. A GIS-based expert support system (GIS-EUS) is set to be created for this purpose, and uniform assessment benchmarks are to be established in respect of land as a resource. These two aspects will serve as tools for efficient and sustainable planning of the development of areas and bodies of water, as well as recycling management.

BN Umwelt GmbH is a specialised engineering service provider. The company works together with the Chair of Water Management and Chair of Geodesy and Geoinformatics at the University of Rostock in fields including the “waste” business area, to develop polling routines relating to implementation in GIS-EUS to support the planning of future recycling depots in the area surrounding the city of Rostock. In addition, concepts and development scenarios are developed for the “Recycling depots of the future”. This work involves considering operational processes and the design of recycling depots as well as interaction with customers.

Association project: “Waste to energy in Brazil” (WASTE2BR) (2020-2022)

In the state of Rio Grande do Sul in south Brazil, only a very small portion of hospital waste is currently thermically treated. The current approach primarily focuses on minimising consumed landfill volume. Energy generation (power and heat) does not take place.

In the sorting plant in Nova Santa Rita, hospital, industry and municipal solid waste is processed and a substitute fuel fraction is generated. Thermic utilisation is performed at a cement factory located far away. The use of the processing plant itself forms the foundation for thermic utilisation as an alternative to landfill. For economically and ecologically useful utilisation, the produced substitute fuels should be used near the processing plant, on a decentralised basis.

The aim of this feasibility study is to develop the thermic utilisation of high-fuel-value waste fractions as a sustainable solution to decentralised energy production in Brazil.

Brazilian collaboration partner Proamb is a special-purpose waste association in Bento Gonçalves. It is the owner of the sorting plant in Nova Santa Rita and, in the course of this further project, is planning a plant for thermic utilisation of hospital, industry and municipal solid waste from the region as an additional utilisation route. The aim in setting up a waste-to-energy plant of this type is to create a prototype at the Bento Gonçalves site that will function as a flagship project for Brazil and South America.

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