Anubix-T™ (EGSB) high rate reactors

Anubix™-T technology developed from the Anubix™-B type reactors, the excellence which has been confirmed by hundreds of references from users all over the world. The technology guarantees the operation stability thanks to the automatically regulated system of external recirculation. The unique influent distribution system and bottom sludge separators are preventing the formation of biogas channels make the system flexible and resistant to changes in the influent composition. Thus the risk of granulated sludge loss is reduced in comparison with other, classic solutions.

The reactor is enclosed construction and the biogas is taken away under overpressure. No other biogas equipment (driers, compressors or biogas tanks) is needed for sucessful operation.

 
Anubix-T® (EGSB) - Lamix Paper Paftory (tissue). See case study.
 

Advantages of Anubix™-T (EGSB) reactor:

  • ultra high loading rate from 15 to 35 kgCOD/m3/d;
  • low space requirements;
  • works with granulated sludge with high biomass content;
  • high efficiency of wastewater treatment and process stability;
  • internal recirculation system reduces the cost of sewage neutralization;
  • unique construction reduces the risk of sludge loss;
  • multipleways of construction;
  • settling tanks are easily accessible in case of inspection;
  • stable biogas production – green energy production.

 

Principle of Operation

Anubix™-T reactor is a vertical, over-pressure container, reaching 13-16 m in height. Raw sewage is fed through the Influent Distribution System and rises from the bottom to the top part of the reactor at predetermined speed. Each Anubix™-T reactor has a special 2-phase separator device located in its lower part. Separators of this type divert the biogas produced at the bottom of the reactor in order to generate curtains of rising biogas and wastewater. After passing through a bed of anaerobic active methanogenic sludge the biogas and wastewater ‘catch’ the granulated sludge. Wastewaters and sludge mixture passes through an internal 3-phase separator in the upper part of the reactor.  The separator has a special separating section to prevent the excessive loss of even the smallest flocs of methanogenic sludge. The anaerobic sludge slides down where the granular fraction remains suspended. As time passes, the flocs form new granules of sludge. The effluent leaves the reactor through a collecting pipe. Biogas is sent for further use or to the flare.

Such a design allows for organic loading rates ranging 15-35 kgCOD/m3/d.