Recirculating Aquaculture Systems - RAS


Oriental Aquamarine Biotech India Private Limited has established a manufacturing facility to manufacture the Packed Bed Bioreactor (PBBR) and Stringed Bed Suspended Bioreactor (SBSBR).

The company has a Nitrifying Bacterial Consortia Production Unit and a Microbiology laboratory with state of art equipment to culture the bacterial consortium. Some of the equipments include:

  • 2 No's of 1000 litres basic fermentor
  • Vertical Autoclave
  • SpectroPhotometer
  • Weigh balance
  • pH meter
  • Salinometer
  • Cyclomixer
  • Refrigerator










Why Recirculating Aquaculture Systems

Aquaculture hatcheries currently use the open larval rearing system. The open larval rearing systems have been found to have certain shortcomings. These are illustrated in the figure below and explained subsequently.

In an open larval rearing system in a hatchery, there is continuous exchange of seawater on a regular basis. The quantum of exchange varies depending on the hatchery and could be as high as 100%. Due to the heavy demand of seawater in the production...


Recirculating Aquaculture Systems (RAS)

Recirculating aquaculture systems, or RAS, are closed-loop production systems that continuously filter and recycle water, enabling large-scale fish farming that requires a small amount of water and releases little or no pollution.

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