DIGESTATE MANAGEMENT

Landfill Diversion, Create Organic Fertilizer

Ammonia Management Recovery System | Singapore
Landfill Diversion, Create Organic Fertilizer

The resulting biosolids from an anaerobic digester system have historically been considered a waste stream to be discarded, which equates to significant cost and liability. Maximizing resource recovery from waste means extracting as much value as possible at every single stage. To Anaergia, improved digestate management offers a significant opportunity for value creation in the form of clean energy.

Our integrated nutrient recovery and biosolids management solutions recover up to 20% more renewable energy, extract nutrients as valuable fertilizer products, and achieve Class A biosolids all while reducing biosolids volumes by up to 80%, minimizing disposal costs, and cleaning liquid effluent streams.

The advantages of anaerobic digestion result in healthy soils and sustainable food production. Also consider: Anaergia’s integrated biosolids and digestate management solutions help reduce biosolids volumes by up to 80% (reduce disposal costs), increase renewable energy production, and achieve class A quality biosolids to meet specific disposal norms, if any.

Digestate Management | Malpaga, Italy

OUR VALUE ADDITION

  • Resulting anaerobic digestion energy increased by up to 20%.
  • Produce valuable liquid fertilizer.
  • Digestate solutions produce class A biosolids for disposal.
  • Reduce ammonia concentrations in liquid effluent streams by 90%.
  • Reduce biosolids disposal volumes up to 80%.
  • Kill potential pathogens and produce a Class A biosolids product.

ANAERGIA OFFERINGS

  • Digestate Dewatering: Our proprietary dewatering equipment is ideal for dewatering digestate in preparation for downstream beneficial value extraction or use; the slow speed and low energy-load equipment is associated with long duty cycles and it is virtually maintenance free.
  • Nutrient Recovery: Anaergia’s nutrient recovery solutions including its proprietary ammonia removal technology extract over 90% of nitrogen, potassium, and phosphorus from high strength waste streams (such as filtrate from dewatering); removing these constituents from effluent streams helps facilities meet effluent quality requirements and produces valuable fertilizer for sale.
  • Drying: Our advanced drying systems further reduce moisture content from dewatered biosolids without producing dust and can do so using available on-site low-grade waste heat.
  • Pyrolysis:Dried biosolids contain significant energy and some moisture content which can be further extracted by applying heat in an oxygen-starved environment; this process not only further reduces mass, it also creates bio-oil which can be used to increase renewable energy production.
  • Fibreplate Hybrid MBR for recycle of filtrate/wastewater

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