Questions & Answers
We answer your questions
The main differentiating characteristic is the scale / size (<150kW electric), plus the ability to use untreated organic waste and the focus to agro-food industries. Up to date there are no efficient alternatives on the market in such scales which can deal with the waste disposal and - mainly electrical - energy needs of small and medium agro-food industries effectively.
Our customers have the following options: (a) use the power for their own needs, (b) sell the power to the grid. Depending on the regulations and standards on each country, the customer is consulted to use the most profitable option.
To date, we have developed a working prototype which has worked for several hundreds of hours, under real life conditions with 4 different types of biomass residue: grape seeds, olive kernels, peach kernels and almond shells. Currently, we are building the first pre-commercial pilot to be installed and demonstrated at the facilities of a winery in northern Greece.
Organic residues with moisture <50% can be directly fed to the gasifier. Ideal moisture content is 10-20%. In addition, the ash content of the fuel should be lower than 25% to avoid additional maintenance of the unit. Feedstocks that are usually applied include agricultural residues, food industries residues, woodchips, sewage sludge, etc.
The gasifier has a limitation in moisture (<50%) and in particle size (<2 cm), thus, a limited pre-processing is necessary. Part of the thermal energy produced is used for feedstock drying as an integrated part of the feeding system of the unit. Additional already existing equipment (e.g. crusher) may be required depending on the state and type of the waste stream.
Apart from residue suitability for our technology, the energy needs and the waste/residue disposal cost for the customer should also be considered. In addition, year-long energy needs and residue availability are also important factors in delivering the best value to the customer. Potential uses are in wineries, chicken processing factories, cotton industry, rice industry, paper industry, breweries, olive mills, wood processing and fruit processing (jams, juices, etc.).
For every 20kWel unit we save approx. 62 tnCO2eq per year, equivalent to the electrification of 9 households.
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