Eliopig – Ammonia Stripping

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Eliopig – Ammonia Stripping

Biogas plants and biomass plants

Company Description:

Eliopig s.r.l. is a company founded by engineers with extensive experience in the construction of biogas plants, nitrogen stripping, equipment and feeding systems for pig and cattle farms. Since its founding in 1980, thanks to the constant drive for continuous improvement, has developed a deep knowledge of issues related to farm management, thereby seeking to offer solutions to the breeder that adapt to the existing realities, or to optimize all the various resources to improve the performance of your company. The constant attention to the changing needs of an evolving market and the presence in Eliopig s.r.l.’s qualified technical resources, have made possible the development of a range of equipment and feeding systems that meet the full needs and requirements of the farmer.

Technology Description:

The Eliopig nitrate removal system developed exclusively by our company carries out a "stripping of ammonia" from digested wastewater coming from anaerobic treatment of animal waste and biomass (biogas plants).Our objectives are the:Reduce the amount of nitrogen in the sewage and the hectares of SAU needed for use in agriculture.Optimize waste energy available.Rationalize the electricity used.Do not produce waste.Respect the limits of emissions into air.  

The nitrogen stripping plant can reduce from 70% to 90% the amount of ammonia present in the digestate by separating the solid fraction of slurry (<0.1), the exhaust air / liquid in counter contact tower and to provide for later recovery of ammonia by adsorption on sulfuric acid solution in a scrubber with the production of ammonium sulphate. The stripping plant consists essentially of two columns: the first devoted to the stripping of ammonia by hot air, the second absorption of ammonia stripped.

Eliopig , USA (+39) 030-938-1679 Visit Company Website

Technology Type

  • Ammonia Stripping

Vendor

  • Equipment Vendor

Product

  • Concentrated Nutrients

Problem

  • Nitrogen
  • Odor
  • Pathogens

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Technology Strengths, Weaknesses and Critical Indicators

Ammonia-N can be harvested from manure and digestate using proven chemical/thermal processes:

  • Produces a concentrated source of nitrogen from a renewable source
  • Requires pre-treatment to remove coarse and fine solids
  • Pairs well with anaerobic digesters because digesters convert organic N into ammonium
  • Chemical storage required for process chemicals and final product
  •  Proven technology for nitrogen recovery, odor control, and pathogen reduction

Newtrient Comments/Opinions:

Ammonia-N can be harvested from manure using proven chemical/thermal processes.

  • Produces a concentrated source of nitrogen from a renewable source
  • Requires pre-treatment to remove coarse and fine solids
  • Pairs well with anaerobic digesters because digesters make more ammonia available
  • Chemical storage required for process chemicals and final product

Eliopig has been unresponsive to Newtrient's multiple attempts to supplement or validate the information about this technology

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