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Preservation with acids


Preservation with acids - a popular procedure

Grain preservation
Cereal preservation as a powerful and economic process has been practised within the SCHAUMANN company group for over 20 years. Our many years of experience in this technology have also been applied to the new product programme BC.ACID for substrate storage in biogas production.
Practical experience shows that acid preservation of cereals and in CCM storage is nowadays an established procedure: Preservation with low technical input and high power content during storage and with simultaneous high reliability has therefore led to acid preservation becoming the standard procedure for cereal and maize storage even in many large-scale operations


Different preservation procedures and their properties

Basically, the following different procedures are suitable for steady storage or preservation of moist cereals or moist maize:

Drying for grain moisture below 14 %. → most reliable protection against loss, high costs


Cooling using a chilling system or cold air blowers to temperatures below 10°C. → high capital input; often too expensive for biogas cereal


Gas-tight storage in a CO2 environment in tower or horizontal silos. → capital intensive; often too expensive for biogas cereal


Ensiling with addition of water (performed with extreme care and adjustment of the optimal DS content, depending on the substrate) → capital intensive; through simple cereal processing, liquid storage always popular, despite the high costs


Ensiling under anaerobic conditions → allows a cost-effective and, at the same time, reliable preservation of moist forage cereals and maize, as long as the silo remains closed; only reliable after opening the silo if biological ensiling agents are used


Chemical preservation with organic acids, urea or caustic soda→ allows reliable and at the same time cost-effective storage and preservation of moist forage cereal and maize without further treatment


Preserving acids

To our preservation products