Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Biomass production with wastewater solves water and fertiliser bottlenecks

04.12.2008
The production of biomass is opening up new perspectives for the agricultural sector. Scarce water supplies and rising fertiliser costs are making it difficult to cover the cost of cultivating arable land.
One solution can be the closed loop utilisation of black and grey water for biomass production which could treble the efficiency of systems deployed to date.In BIOPROS, an EU project headed by ttz Bremerhaven, partners from 12 countries are working on disseminating know-how on the safe use of wastewater.

Pan-European training reveals the potential for closed loop wastewater recycling to create regional added value

The requirements imposed by EU legislation regarding environmental protection and agriculture in the Member States are forcing the hand above all of those countries which have to date managed for the most part without any treatment systems for their wastewater. In terms of the investment they need to make in production infrastructure, manufacturers are faced with a choice: Either invest in better equipment imported from abroad or else attract farmers in the region as customers for black and grey water. In the case of the second option, a major part of the investment flows back into the long-term development of their own region.

In co-operation with agricultural associations, the consortium of the EU BIOPROS project wants to disseminate on a broader scale knowledge about the safe and efficient use of municipal wastewater for biomass production. The potential for agriculture and eco-balance speaks for itself: 10% additional income from the use of wastewater could considerably improve the farmers' position and make them less dependent on subsidies. In addition, they also save the costs for nitrate fertilisers. At the current rise in prices (prices have doubled within two years), this is an important factor. The demand for CO2-neutral energy sources is immense and customers there-fore guaranteed. The saving of natural water resources through irrigation with wastewater can amount to about 70% in arid regions. For the operators of treatment plants, there are potential cost savings of up to 50% for wastewater treatment.

So that the closed loop recycling model is implemented competently and mistakes in its application avoided, the BIOPROS partners are endeavouring to establish standards. During the three-year project, best-practice models and cost analyses were developed which are now being communicated to potential users via agricultural associations in Sweden, Bulgaria, Poland, Estonia, Czech Republic, Slovakia, Italy and Spain. Several hundred interested persons - energy producers, farmers, process engineers - have already benefited from training sessions throughout Europe.

In this system, farmers are paid for using the wastewater, the contents of which can partly replace nitrogen fertilisers. Fast-growing plants compensate for the leaching of nutrients from the soil when they lose their leaves which form humus. Poplars and willow trees can be harvested after only two to four years and used as biomass for the CO2-neutral production of energy. In this application, there are no hygiene problems. Further diffusion is currently however hindered by insufficient awareness about the potential of safe wastewater use and/or rejection of the use of black and grey water. In addition, legislation in some countries greatly restrict its utilisation.

The use of the closed loop system in accordance with the guidelines of the BIOPROS consortium has already proved itself in a wider context: The entire recycling system in a community in Sweden is regulated using this process. "Ponds are used in winter for the interim storage of the water. Then it is pumped onto the fields during the vegetation period via drip pipes", explains Alexander Schank, Project Manager in the Water, Energy and Land Use Management Department at ttz Bremerhaven. Rural regions with extensive agricultural land and no capacity for wastewater treatment can especially profit.

The BIOPROS project is supported by the European Union as a Collective Research Project under the Sixth Framework Programme.

ttz Bremerhaven regards itself as an innovative provider of research services and operates in the field of application-oriented research and development. Under the umbrella of ttz Bremerhaven, an international team of proven experts are working in the areas of food technology and bioprocess engineering, analytical science as well as water, energy and land use management, health systems, and administration and software.

Contact:
ttz Bremerhaven
Public Relations
Telephone: 0049 - 471 / 4832-121/-124
Fax: 0049 - 471 / 4832-129
Email: brollert@ttz-bremerhaven.de

Britta Rollert | idw
Further information:
http://www.ttz-bremerhaven.de
http://www.biopros.info

More articles from Ecology, The Environment and Conservation:

nachricht Safeguarding sustainability through forest certification mapping
27.06.2017 | International Institute for Applied Systems Analysis (IIASA)

nachricht Dune ecosystem modelling
26.06.2017 | Albert-Ludwigs-Universität Freiburg im Breisgau

All articles from Ecology, The Environment and Conservation >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Manipulating Electron Spins Without Loss of Information

Physicists have developed a new technique that uses electrical voltages to control the electron spin on a chip. The newly-developed method provides protection from spin decay, meaning that the contained information can be maintained and transmitted over comparatively large distances, as has been demonstrated by a team from the University of Basel’s Department of Physics and the Swiss Nanoscience Institute. The results have been published in Physical Review X.

For several years, researchers have been trying to use the spin of an electron to store and transmit information. The spin of each electron is always coupled...

Im Focus: The proton precisely weighted

What is the mass of a proton? Scientists from Germany and Japan successfully did an important step towards the most exact knowledge of this fundamental constant. By means of precision measurements on a single proton, they could improve the precision by a factor of three and also correct the existing value.

To determine the mass of a single proton still more accurate – a group of physicists led by Klaus Blaum and Sven Sturm of the Max Planck Institute for Nuclear...

Im Focus: On the way to a biological alternative

A bacterial enzyme enables reactions that open up alternatives to key industrial chemical processes

The research team of Prof. Dr. Oliver Einsle at the University of Freiburg's Institute of Biochemistry has long been exploring the functioning of nitrogenase....

Im Focus: The 1 trillion tonne iceberg

Larsen C Ice Shelf rift finally breaks through

A one trillion tonne iceberg - one of the biggest ever recorded -- has calved away from the Larsen C Ice Shelf in Antarctica, after a rift in the ice,...

Im Focus: Laser-cooled ions contribute to better understanding of friction

Physics supports biology: Researchers from PTB have developed a model system to investigate friction phenomena with atomic precision

Friction: what you want from car brakes, otherwise rather a nuisance. In any case, it is useful to know as precisely as possible how friction phenomena arise –...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Closing the Sustainability Circle: Protection of Food with Biobased Materials

21.07.2017 | Event News

»We are bringing Additive Manufacturing to SMEs«

19.07.2017 | Event News

The technology with a feel for feelings

12.07.2017 | Event News

 
Latest News

NASA looks to solar eclipse to help understand Earth's energy system

21.07.2017 | Earth Sciences

Stanford researchers develop a new type of soft, growing robot

21.07.2017 | Power and Electrical Engineering

Vortex photons from electrons in circular motion

21.07.2017 | Physics and Astronomy

VideoLinks
B2B-VideoLinks
More VideoLinks >>>