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Bondalti Water with new business area for Biogas production

Bondalti Water has just launched a business area, “Bondalti Biogás”, dedicated to providing complete solutions for the production of this renewable energy source.


Building on its expertise on the whole of the water cycle, Bondalti Water now provides the technology and engineering capacity for the design, construction and production of biogas generated in wastewater treatment facilities, an area in which it has extensive experience and is an Iberian leader.

Bondalti takes advantage of its activity of more than 20 years in the design and execution of circular projects, as well as in advising and supporting its industrial customers to, through the Best Available Technologies, reuse sewage sludge and process it with other materials (waste), with a view to the production of biogas or biomethane.

For this new market offering, Bondalti integrates its internal innovation, engineering, construction and assembly capabilities, technical assistance, from conception and design to turnkey execution and subsequent operation and maintenance services.

Bondalti Water has a proprietary technology, called Multi-AD, already installed on an industrial scale at Bodegas AGE (Spain), which has demonstrated its ability to reduce contamination in wastewater by more than 90%, as well as the potential to reduce electricity consumption in purification processes at 186,000 kWh/year and the cost of sludge management at around 80%. Simultaneously with wastewater purification, this Multi-AD technology produces high-quality biogas with a methane content of over 80%.

Antonio Alonso, executive director of Bondalti Water Solutions, SA, states that “this new division further differentiates the company, reinforcing its ability to deliver solutions throughout the entire water cycle, from industrial process water to water treatment. effluents, now including the production of biogas”. This is “a bet on the future with regard to energy use and the circular economy in the most diverse industrial applications, as well as reducing dependence on energy sources of fossil origin”.

Environment wise, the production of biogas allows the reduction of dependence on energy sources of external origin with a greater impact in terms of GHG (Greenhouse Gas) emissions, contributing to industrial decarbonization and addressing the major sustainability targets set internationally. From an economic point of view, it guarantees an uninterrupted source of renewable energy with a view to the energy self-sufficiency of industrial installations, generating a positive impact on operating costs. The remaining biogas can be sold to the public supply network.

Fast growing market

Biogas is a gas saturated with water vapor, formed from the decomposition of organic matter (biomass), carried out by bacterial action and under anaerobic conditions (that is, without the use of oxygen). Subsequently, after a purification process through the elimination of CO2, called "upgrading", it is possible to obtain biomethane, which can be injected into the existing natural gas network or used as fuel for vehicles, especially heavy vehicles and maritime transport.

According to Bondalti estimates, the Iberian market has a potential for more than 2500 biogas installations.

The biomethane production potential in Spain is estimated at 163 Twh/year (third European country after Germany and France). In this country, 40% of the natural gas consumed by industry can be replaced by biogas.

In Portugal, the country will be able to replace almost 10% of natural gas consumption with biomethane, a figure that could reach 18.6% in 2040, according to estimates from the local Biomethane Action Plan (PAB). According to the paper, the creation of the biomethane market in Portugal should focus on five strategic sectors for its development: urban solid waste, wastewater, agriculture, livestock and agroindustry. According to the same source, the country has potential in biomethane and that it is possible to increase production of this renewable gas by 178% - from 0.9 to 2.5 TWh - between 2025 and 2030. By 2050, this number could reach almost 14 TWh, from organic raw materials such as biomass, synthetic methane (with CO2 capture), agriculture (manure), landfills (garbage), wastewater treatment plants (sludge) and agroindustry (olive pits, among other waste agricultural).

Bondalti Water will formally present its new Bondalti Biogás brand during the 4th Renewable Gas Show, which will take place on the 1st and 2nd of October, in Valladolid. The exhibition brings together the main players in the international market, with a total of more than 230 exhibitors and brands from 18 countries.