Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Wastewater as a source of nutrients

17.01.2011
China faces massive wastewater problems. At the same time it has set itself the task of investing more in the market for renewable energies. Together with Alensys AG and Hydro-Air GmbH, ttz Bremerhaven is developing a system within the BIOWARE project which mixes municipal wastewater with groundwater. In this way an innovative irrigation method is being introduced into energy wood plantations.

Using technology to link wastewater and energy wood to create bioenergy regions in China

The development of a cost-efficient, water-saving and sustainable irrigation system for plant wastewater facilities is one of the objectives of BIOWARE, a project promoted by the Federal Ministry of Economic and Technology. Above all in rural areas of China, wastewater treatment systems are either inadequate or non-existent.

A nutrient solution produced by means of biological wastewater recycling and comprising wastewater and groundwater could be the answer to this problem and at the same time it facilitates the efficient irrigation of energy wood plantations. Through the new irrigation method, not only water and money will be saved, but also the use of conventional fertilizers will be reduced by the controlled application of nutrients from the wastewater.

This also contributes to intensifying technology transfer between German and Chinese enterprises. Further co-operative German-Chinese projects in the area of renewable energies might follow, for example in conjunction with the processing of energy wood.

The irrigation system helps to control the water quality and regulate its supply. This takes place online so that the system can be operated without any time delay and from any location via Internet. The prototype developed in BIOWARE for technical implementation comprises three modules: an irrigation module, a control module and a monitoring module. The monitoring module records soil parameters such as moisture. Sensors transmit their measurements to the control module which determines the energy plantation’s nutrient requirements and communicates the exact mixing ratio to the irrigation module. The irrigation module produce a nutrient solution from municipal wastewater and groundwater which irrigates the energy plantation. This irrigation method leads to a greater biomass yield especially in dry regions. At the same time less groundwater is used and there are considerable cost savings in wastewater treatment in small municipal sewage plants.

Currently the Chinese bioenergy market for electricity-, heat- and fuel- materials is undeveloped. The new monitoring and control system contributes a valuable part for regenerative energies. One aim of BIOWARE is to support the Chinese energy policy to increase the share of renewable energies within the total energy generation to 16% until 2020.

BIOWARE, co-ordinated by the research service provider ttz Bremerhaven, started in October 2009 with a total budget of about 592.000 Euro. The plan is to install the prototype of the wastewater recycling system in spring 2011 in Yangjiteng, a small town near Chengdu with about 20.000 inhabitants. After a successful test phase, the system can be marketed and established as an overall bioenergy wastewater concept in other regions of China and thus bioenergy regions can be created (similar to the German bioenergy regions under www.bioenergie-regionen.de).

ttz Bremerhaven is a 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 experts are working in the areas of food, environment and health.

Contact:
Christian Colmer
Head of Communication and Media
ttz Bremerhaven
Fischkai 1
D-27572 Bremerhaven (Germany)
Tel: +49 (0)471 48 32 -124
Fax: +49 (0)471 48 32 - 129
ccolmer@ttz-bremerhaven.de

Christian Colmer | idw
Further information:
http://www.ttz-bremerhaven.de

More articles from Power and Electrical Engineering:

nachricht Fraunhofer ISE Supports Market Development of Solar Thermal Power Plants in the MENA Region
21.02.2018 | Fraunhofer-Institut für Solare Energiesysteme ISE

nachricht New tech for commercial Lithium-ion batteries finds they can be charged 5 times fast
20.02.2018 | University of Warwick

All articles from Power and Electrical Engineering >>>

The most recent press releases about innovation >>>

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

Im Focus: Developing reliable quantum computers

International research team makes important step on the path to solving certification problems

Quantum computers may one day solve algorithmic problems which even the biggest supercomputers today can’t manage. But how do you test a quantum computer to...

Im Focus: In best circles: First integrated circuit from self-assembled polymer

For the first time, a team of researchers at the Max-Planck Institute (MPI) for Polymer Research in Mainz, Germany, has succeeded in making an integrated circuit (IC) from just a monolayer of a semiconducting polymer via a bottom-up, self-assembly approach.

In the self-assembly process, the semiconducting polymer arranges itself into an ordered monolayer in a transistor. The transistors are binary switches used...

Im Focus: Demonstration of a single molecule piezoelectric effect

Breakthrough provides a new concept of the design of molecular motors, sensors and electricity generators at nanoscale

Researchers from the Institute of Organic Chemistry and Biochemistry of the CAS (IOCB Prague), Institute of Physics of the CAS (IP CAS) and Palacký University...

Im Focus: Hybrid optics bring color imaging using ultrathin metalenses into focus

For photographers and scientists, lenses are lifesavers. They reflect and refract light, making possible the imaging systems that drive discovery through the microscope and preserve history through cameras.

But today's glass-based lenses are bulky and resist miniaturization. Next-generation technologies, such as ultrathin cameras or tiny microscopes, require...

Im Focus: Stem cell divisions in the adult brain seen for the first time

Scientists from the University of Zurich have succeeded for the first time in tracking individual stem cells and their neuronal progeny over months within the intact adult brain. This study sheds light on how new neurons are produced throughout life.

The generation of new nerve cells was once thought to taper off at the end of embryonic development. However, recent research has shown that the adult brain...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

VideoLinks
Industry & Economy
Event News

2nd International Conference on High Temperature Shape Memory Alloys (HTSMAs)

15.02.2018 | Event News

Aachen DC Grid Summit 2018

13.02.2018 | Event News

How Global Climate Policy Can Learn from the Energy Transition

12.02.2018 | Event News

 
Latest News

Stiffness matters

22.02.2018 | Life Sciences

Magnetic field traces gas and dust swirling around supermassive black hole

22.02.2018 | Physics and Astronomy

First evidence of surprising ocean warming around Galápagos corals

22.02.2018 | Earth Sciences

VideoLinks
Science & Research
Overview of more VideoLinks >>>