GNS-Halle Ammonia-Stripping FiberPlus – Ammonia Stripping

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GNS-Halle Ammonia-Stripping FiberPlus – Ammonia Stripping

Society for Sustainable Use mbH

Company Description:

The GNS Company was founded in 1998 at the initiative of the Society for Ecological Utilization of Materials (F?ST e.V.) to conduct research on practical technologies for improving the sustainable utilization of natural materials. The highly qualified management and staff provide years of experience in a wide variety of applications. Together with partner companies, GNS offers full proficiency for complex tasks, ranging from scientific proposals and technological development to the supervision of project implementation.

Technology Description:

GNS uses a modified stripping process, wherein the ammonium nitrogen is removed from digestates by using only exhaust heat from the CHP without the use of bases, acids or external stripping media. Binding of ammonia preferred with FGD gypsum to produce a concentrated ammonium sulfate solution and solid calcium carbonate fertilizer.

GNS-Halle Ammonia-Stripping FiberPlus Weinbergweg 23 Halle, Germany +49 345-5583-754 Visit Company Website

Technology Type

  • Ammonia Stripping

Vendor

  • Equipment Vendor

Product

  • Concentrated Nutrients

Problem

  • Nitrogen
  • Odor
  • Pathogens

To view additional information about this vendor, click below.

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

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