Bio Energy

We develop, design, execute and operate energy recovery projects for self-consumption of industrial organic waste, as well as improvement and optimization of existing biogas installations.


Biogasanlage hinter einem Rapsfeld 3

Bio-refinery is understood as the organic waste management and recovery for manufacturing micronutrients and organic fertilizers.

Intensive and organic farming requires an increasingly larger quantity of organic matter, but it must also be of a higher quality and be able to be used in the irrigation systems.

  • The problem is that mineral and chemical products accumulate in the soil and degrade it. Traditional organic products are not able to cover that high demand niche market.

This brand new bio-refinery model provides a solution to the significant challenge of organic waste management of the area. Also, it covers the huge organic matter and nutrients needs for intensive crop farming, where the soils are not capable, on their own, of having the required structure and nutrients, as they have to bear up to 3 harvests.

One of the innovations of this system lies in making use of the by-products obtained in the recovery process itself, using the energy provided by biogas to concentrate and increase the value of the biofortifiers obtained. By having free energy, we can ensure minimum production costs, sustained over time. Thus, we offer the market a great value, natural and ecologically sustainable product at a competitive price, generated right at the heart of demand.


Biogas is a blend of different gases generated by the degradation of organic matter in the absence of oxygen.

It can be generated from materials such as: plant waste, manures, urban waste, agro-food industry waste, aerobic sludges, etc. In conclusion, from any organic waste or by-product.

This biogas can be used in an engine to generate electricity or heat, or burned in a boiler to generate heat. This versatility makes anaerobic digestion the best choice to recover organic waste.

Furthermore, after fermentation, a semiliquid flow (digested) is generated, and that can be used as a fertilizer.

Alternative Energy with Bio Technology

A Biogas plant is useful to manage organic waste in an integrated way, solving two problems at a time:

  • Waste treatment and management
  • Energy supply: electricity and heat in any form (steam, hot water, etc.)



A Small Biogas plant is a biogas plant for self-consumption, customized and escalated to the customer’s inherent needs and specifications.
The main advantages of this type of plant are:

  • Different types of waste can be used:
    – Fruit and vegetables
    – Brewing waste
    – Seed and fruit oil production
    – Bakery or starch production
    – Bioethanol or biodiesel waste
    – Fish processing
    – Slaughterhouse and meat industry
    – Dairy products
    – Industrial sewage sludge

    • It cuts down the discharge of organic material remains in landfills and the pollution generated by them (reducing odor, unrestrained methane emissions, transmission of pathogens to animals and soil).
    • It produces clean fuel (biogas) from renewable sources that can be used, after being minimally processed, for several purposes with low emissions.
    • It improves the availability of nutrients in wastes, transforming the organically linked and slowly decomposing nitrogen into ammonia and nitrates available for plants (fertilizers).It cuts down the expansion of pathogens, helping to break the infection-reinfection cycle. Most pathogens die as a result of the level of acidity and temperature of the digestion process.
    • It improves the rural economy by creating skilled jobs and adding value to the organic waste and agricultural products found close to the area where the digestion process is carried out.


This Upgrading process involves removing the biogas CO2, turning it into Biomethane.

Biogas is mainly made up of CO2 (between 30 % and 50 %) and methane (between 50 % and 100 %), the methane being the part that provides the energy power. In the Upgrading process, CO2 is removed through an extraction process by means of amines, increasing the methane volume and, therefore, its purity, matching it in quality with natural gas.

The system is based on an absorber (washing column with amines) and a separation column with attached heat exchangers in which the extraction liquid is continuously purified. Thus, it can be reused in the absorber.

The main advantages of using this technology are:

  • Low pressure operation
  • Methane loss lower than 0.1 %
  • Disposal of H2S from biomethane is inherent to the upgrading process
  • There is no water consumption
  • Modular and flexible placement system
  • A proportion of the heat generated by the process can be recovered with temperatures of 85°C and 45°C
  • Power consumption lower than 0.1 kWh/m3 of processed biogas
  • CO2 generated by segregation can be used for other purposes

Another crucial advantage is that only biomethane is pressurized, as compression follows the purification section. As a consequence, the compressor size is up to 50 % smaller in comparison with other technologies, significantly cutting the plant price and power consumption.

Municipal Solid Waste (MSW)


It can also produce energy or fuel derived fuel that can be used in the cogeneration plants.

Thanks to an innovative system for the recovery of organic matter, we perform an advanced treatment of waste, in the minimum space, starting at 50,000 t / year, achieving the maximum material recovery (over 93%) and reducing the amount that finally goes to the landfill.

The key objective is to obtain the moist organic fraction for its recovery.

Waste is put under pressure in special chambers with small relief holes, that result in the extraction of the organic part, collected aside from the dry fraction. The resulting moist material, after a cleaning stage, is ready to be digested and to generate biogas.

During the cleaning stage, all the impurities and inert elements from the organic fraction are removed in order to optimize the anaerobic digestion process.

Two products are generated from biodegradable waste:

  • Biogas: it can be used in a cogeneration engine to produce electricity and heat.
  • Compost: created from organic material, it can be used in agronomic activities.

During the organic separation process, plastic, cardboard, paper, ferrous metals, non-ferrous metals, fine sands, glass and PVC can also be obtained.