The Greener Waste NERV Reactor for stress free compliance

The NERV (Natural Endogenous Respiration Vessel) is a unique bio reactor designed to operate under high and varying load and flow conditions.

NERV uses the concept of breeding specific bacteria strains outside of the reactor and periodically introducing the cultivated bacteria to the incoming effluent stream.

NERV benefits from a much smaller footprint than traditional systems and the concept of breeding bacteria outside of the unit removes the reliance on self generating bacteria within the system giving it the ability to absorb toxic shocks and extreme nutrient variations.

NERV Technology

Traditional Biological Treatment systems rely on the ability of the correct bacteria culture to naturally develop within the plant to a level that enables efficient degradation of the organic pollutants. Although this treatment method is commonly accepted, it does suffer from major disadvantages.

  • Any changes which hinder the growth of the natural bacteria will hinder the performance of the system.
  • The natural bacteria within a biological plant can be detrimentally affected by the sudden presence of toxic substances or lack of nutrients leading to a malfunction of the system.
  • Start up procedure for biological systems can be difficult because of the problems of having to re-seed the system together with the associated down time.

The NERV system allows the bacteria cultures within the reactor to be controlled both by type and volume. Fresh bacteria is bred and cultured outside of the reactor; regular dosing ensures that a constant supply of fresh bacteria is always on hand, even during periods of low nutrient values or high toxicity. This ensures that cultures are not 'wiped out' and that immediate recovery of bio remediation takes place.

NERV is more compact than traditional technology and during times of low nutrient levels the bacteria enter the state of ENDOGENOUS RESPIRATION, a situation where they eat their own biomass. This results in dramatically lower sludge production compared with traditional biological systems.


A NERV System working hard at a food processing plant. A NERV System working hard at a food processing plant.


NERV Features and Benefits
All NERV models feature:-
  • LOW capital costs and LOW running costs
  • Low sludge disposal volumes
  • Fast start-up
  • Simple operating procedures
  • Fully enclosed system
  • Easily integrated to existing systems
  • Capable of handling high organic loads
  • The ability to process a wide range of effluent of varying quality.
  • Large volume flows for a small footprint
  • Regular monitoring, with '24/7' internet option.
  • Conforms to all relevant EU directives
  • Complete backup service including Training, Bacteria supplies, System monitoring, Engineering service and Operational support
Enabling you to :-
  • Integrate NERV technology into your existing plant
  • Process waste from a facility with wide ranging effluent.
  • Dramatically increase processing capability within a limited space.
  • Reduce reliance on polymers and coagulants
  • Stress-free compliance
  • Reduce your sludge volumes and associated disposal costs.
  • Make best use of your operating budget
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Greener Waste Limited, The Civic Quarter, 16 Bond Street, Wakefield, West Yorkshire, WF1 2QP
Telephone: 01924 366239 Fax:01924 239012 full contact details