Biogas plants
Biogas production is produced industrially by anaerobic digestion of a wide range of biomass types including agricultural waste, manure, municipal waste, and primary or secondary crops and has enormous economic benefits, which has made it the third fastest growing renewable energy source in the world after photovoltaic solar and wind power.
Industrial Biogas plants upgrade waste to valuable fertiliser, allowing for nutrient recycling and renewable energy production.
Biogas is a mixture of methane, carbon dioxide (CO2), hydrogen sulphide (H2S), water vapour and other trace gases that can additionally be upgraded to biomethane, with proper purification to remove trace gases such as H2S, water and CO2, and used in natural gas networks or transport vehicles with natural gas engines.
Concrete and metallic biogas digesters
Concrete digesters are not gas tight. A strongly connected pore system, the presence of cracks or surface defects during placement allow gases and vapours to find an easy diffusion path to permeate through structures.
Digesters produce biogas from organic wastes through anaerobic digestion processes. These digesters, often made of concrete, can suffer severe premature degradation caused by the fermentative microorganisms that produce substances that are aggressive towards cementitious materials.
In addition, plants that produce biogas need to operate without interruption and with a minimum of maintenance, while keeping methane inside the tanks avoiding any leakage through pores of cracks in concrete.
Concrete and metallic digesters corrosion and degradation protection
The economic and environmental effects of methane leakage from digesters makes mandatory the need for comprehensive leak prevention, and, if necessary, repair on all fossil gas infrastructure.
In this webinar you can see an introduction of the new membrane based on Xolutec® technology: MasterSeal 7000 CR and the properties that make it especially suitable for protection of concrete and metallic structures in biogas plants.
MasterSeal 7000 CR is a waterproofing and concrete protection system from Master Builders Solutions with a unique combination of application and performance properties that are especially suited for use in the most aggressive environments, such as wastewater treatment plants and biogas facilities, where hydrogen sulphide and biogenic sulphuric acid can be present.
MS M 790: 2 x 0,5 kg/m2
The use of MasterSeal 7000 CR ensures high methane tightness when applied to concrete domes, sealing cracks and defects to prevent gas leakages. This protects the value of the resource and prevents a gas with a strong greenhouse effect from escaping into the atmosphere.
Additionally, the webinar will show a complementary offer of concrete repair mortars, crack injection resins and products for treatment of movement joints.
