Displaying items by tag: biopower

Wednesday, 10 December 2014 07:18

WELTEC builds Biogas Plants in Greece

Biomass Share to Reach 350 MW by 2020

Using the Energy Decentral within the framework of the Eurotier trade fair in Hanover, Germany, as a communication platform, the German biogas plant manufacturer WELTEC BIOPOWER is happy to welcome large numbers of visitors from abroad. No wonder: Meanwhile, the company boasts references in 25 countries.

Commenting on the company‘s presence at the exhibition in Hanover, Jens Albartus, Director of WELTEC BIOPOWER, says:„The keen interest that Greek trade fair visitors show in our plant technology also reflects our high international visibility.“

The truth of this statement is underlined by the seven stainless-steel biogas plants with a total capacity of 2.75 MW that WELTEC has set up in Greece so far. Currently, WELTEC BIOPOWER is planning and rolling out four additional biogas projects together with its distribution  partner Tetoros Machinery S.A. The order pipeline contains two 500-kW plants, one 300-kW plant, one 250-kW plant and a 250-kW-CHP project in Greece.

2014 12 10 071430 biopower

WELTEC has set up seven stainless-steel biogas plants with a total capacity of 2.75 MW in Greece so far.

One of the 500-kW plants is located in Ptolemaida in the region of West Macedonia. The scope comprises a digester with a capacity of 4,438 m³, several mixers and pumps for three existing slurry stores, a macerator and a 500-kW CHP plant. Cattle manure and abattoir waste will be used as substrates.

The project location is a region that is considered  the Greek energy centre. No less than 70 percent  of the Greek power is generated in this province, though still primarily from brown coal. Nevertheless, the biogas plant has the potential for becoming something like a multiplier of renewable energies in a centre of conventional power generation. The plant, which is operated by an entrepreneur who runs his own slaughterhouse, is situated in the immediate vicinity of ignite mining areas and coal power plants.

This contrast is symbolic of the change that the energy sector is undergoing in this EU member state. Three quarters of the Greek power production still come from coal, oil and gas. Meanwhile, the Greek Ministry of Environment, Energy and Climate Change is pursuing a change, which, however, has slowed down a bit due to the economic situation. Nevertheless, Greek‘s commitment to provide about 20 percent of the gross energy consumption from regenerative sources by 2020 within the scope of the 20-20-20 goals of the EU is still valid. In this context, biomass plants account for a share of 350 MW.

For this purpose, there is plenty of input material for biogas plants: A lot of agricultural waste in Greece remains unused. As in Ptolemaida, livestock husbandry  takes place at an industrial scale throughout the country. „This is one of the reasons why decentralised energy production methods such as biogas technology are especially suitable for Greece, and plants like the one in West Macedonia are setting a precedent“, says John Tetoros, sales partner of WELTEC BIOPOWER.

In 2014, biogas pioneer WELTEC BIOPOWER GmbH celebrated its 13th anniversary. To date, the company has planned and established more than 300 plants. Based on the modern approach  of experienced engineers and the expertise of its 80 employees, the company from Vechta, Lower Saxony, offers complete  biogas plants from one source and has developed into one of the world‘s leading providers of biogas plants.

In view of the corroding impact of the hydrogen  sulphide and ammonia compounds contained in biogas on un- protected parts, WELTEC builds the fermenters  from stainless steel, thereby ensuring a long useful life of the plant. Additionally, the manufacturing depth guarantees a consistently high standard regardless of the location and ensures an export rate that is far above the industry average.

The plants have a modular structure. WELTEC BIOPOWER uses only tried-and-tested system components and develops most of the technologies along the entire value chain internally: fermenter technology, mixing technology, control technology, hygienisation systems and digestate processing solutions have been developed in the company.

With its comprehensive services, WELTEC makes sure that its biogas plants are technically and economically stable. The CHP service guarantees stable output, the biological supervision continually monitors relevant parameters, and systematic repowering makes sure that the biogas plant is always up to date. Operators can choose from a range of different service packages.

One of the main strengths of the medium-sized enterprise is its ability to deliver individual and flexible solutions – from compact plants to large computer-controlled plants in the megawatt range, waste recycling plants and biogas parks with gas processing technology.

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