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Title:
Preparations for a 10 MWth Bio-CHP Demonstration based on the MILENA Gasification Technology
 
Author(s):
 
Published by: Publication date:
ECN Biomass, Coal and Environmental Research 5-7-2010
 
ECN report number: Document type:
ECN-M--10-057 Conference Paper
 
Number of pages: Full text:
8 Download PDF  (215kB)

Presented at: 18th European Biomass Conference and Exhibition, Lyon, France, 3-7 mei 2010.

Abstract:
The Energy research Centre of the Netherlands (ECN) has developed a biomass gasification technology, called the MILENA technology. The MILENA gasification technology has a high cold gas efficiency and high methane yield, making it very suitable for gas engine application or upgrading of the gas into Substitute Natural Gas (SNG).
ECN aims at the development of large scale SNG production and sees the gas engine as an intermediate application necessary for reaching the large scale application. The MILENA Bio-CHP technology will be introduced on a 10 – 30 MWth scale. To achieve both these goals, a waste processing company in the Netherlands (HVC Alkmaar) joined ECN to make the step from pilot scale to demonstration and commercial scale.
The development of this technology started in the laboratory with a 5 kg/h (25 kWth) indirect gasifier. This first MILENA has been operated for about 2000 hours and is actively used for different testing purposes. In 2008 ECN finished the construction of the 800 kWth pilot gasifier MILENA.
The pilot installation is coupled to ECN’s technology to remove tar (OLGA) which is a necessary step for the CHP and the SNG applications. The following paper describes the technological achievements made on the pilot scale gasifier in combination with the pilot scale OLGA. Furthermore, it will describe the problems that occurred and the measures taken to overcome this. It will end with an update of the bio-CHP development as it is foreseen in cooperation with the HVC in Alkmaar.


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