糞尿処理

Liquid manure from the agricultural sector represents a valuable natural fertilizer. However, liquid manure and the excess nutrients that it may contain must be treated prior to application to fields, to protect the environment and water courses in compliance with stringent legal requirements. GEA can supply both evaporator and decanter technology to tackle any liquid manure treatment application.

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Reducing phosphate and nitrogen fractions

GEA manure Decanters efficiently reduce phosphate and nitrogen levels in liquid manure by separating up to 90% of phosphate and 35% of nitrogen compounds along with solids, protecting both groundwater and surface water. The separated, pourable solids are ideal for composting and can be repurposed as fertilizer. The remaining liquid phase is easy to store in a silo and can be applied as a high-quality, eco-friendly natural fertilizer when needed. For maximum flexibility, mobile decanters are also available.

Energy-efficient evaporation technology for concentration

GEA’s evaporator technology is ideally suited to concentrating liquid manure to reduce volume, especially on breeding farms that have very large numbers of animals. Using our evaporators, the liquid manure is concentrated to up to 30% dry solids, and this can then be dried fully in a dryer.

GEA’s evaporator and dryer technologies can both be operated entirely using waste thermal energy.

The benefits to you

Decanter or evaporator - the right process technology for every customer
High-quality fertilizer for environmentally-friendly application which meets the most stringent legal regulations
Protection of both groundwater and surface water, as decanters reliably separate off up to 90% of phosphate compounds and 35% of nitrogen compounds
Mobile decanter systems for increased flexibility
Use of waste thermal energy means lower energy costs for evaporator and dryer

GEA further supplies equipment like jet and vacuum pumps for conveying water and manure.

製品および技術

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Jet pumps

Jet pumps, also referred to as ejectors, are devices for the conveyance, compression or mixing of gases, vapors, liquids or solids and for the production of vacuum in which a gaseous or liquid medium serves as the motive force.