EchoStorm Aerator Solves Algae Issue For Craig Mostyn Group


Craig Mostyn Group

Aerator solves algae issue for Craig Mostyn Group and makes aeration safer

  • Craig Mostyn Group
  • Fremantle, WA
  • 2022
  • Food and Agribusiness
  • Wastewater Treatment
  • Gorman-Rupp Echo-Storm Aerator
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Project Background

Craig Mostyn Group is one of Australia’s leading diversified food and agribusiness companies. Established in 1923, Craig Mostyn Group is now Western Australia’s largest vertically integrated pork, lamb and beef business. They also have seafood operations, which include 3 abalone farms and multiple sites across Tasmania. Their protein rendering unit Talloman, is a core division of the Craig Mostyn Group, and when they started to have issues with a wastewater treatment pond, Plant manager, Mr Carlos Mendes, went looking for a solution.

The Issue

The EchoStorm venturi aerator from Gorman-Rupp was recommended to him and he contacted Hydro Innovations [Australian Gorman-Rupp distributor] for a solution. Carlos wanted a reduction in BOD, COD, NH3 and also a solution to a troublesome blue/green algae issue.
Adding dissolved oxygen to aerobic bacteria allows organic compounds in wastewater to be broken down quickly, preventing it from becoming septic and odorous. The addition of dissolved oxygen allows these organic compounds to be converted into non-polluting compounds.

Solution – Gorman-Rupp Echo-Storm Aerator

Based on the size of the pond, the inflow rate and water analysis provided, Hydro Innovations recommended a 4” [100mm] EchoStorm system. This system comprising a Gorman-Rupp U4B60S-B self-priming centrifugal pump with 15kW motor, “powering” a Gorman-Rupp V4A EchoStorm venturi aerator.

The EchoStorm is a static venturi aeration device that is installed on the discharge side of a Gorman-Rupp self-priming centrifugal pump to introduce dissolved oxygen into the liquid being pumped. With no moving parts, the EchoStorm is an extremely reliable device, with only routine maintenance of the Gorman-Rupp pump required. The simplicity of the system, making it easy to install, operate and maintain.

The U4A60S-B is the most efficient 4” self-priming effluent pump on the market today, because of its multi-vane impeller and “straight-in” suction design, making it a good choice for keeping power consumption of the system low. It is also capable of passing a 20.6mm solid, and operating on suction lifts up to 6.1 metres.

The pump draws in water from the lagoon, then pumps it at pressure through the EchoStorm unit, which draws in atmospheric air, mixes it with the water and delivers it back to the lagoon. The unit not only “saturates” the water with dissolved oxygen, but it also “conditions” the flow, breaking down organic matter into smaller particles, allowing for enhanced organics reduction. This conditioning effect also ruptures the buoyancy vacuoles within [the] blue/green algae, causing it to sink, depriving it of the sunlight required for growth and stripping CO2 from the water, depriving it of Carbon dioxide.

Mr Mendes and the Talloman evaluation team liked the idea of the equipment being mounted on the bank of the pond, rather than floating in the middle of it, and could see the on-going benefits of easier access and the maintenance advantages of the system. As a safety-first company, they also saw the system as being much safer for operators than other systems they had seen.

But as the technology is relatively new to wastewater treatment in Australia, Mr Mendes was cautious in his evaluation about the results the system could achieve moving forward. Hydro Innovations however, were very confident of the success of the system [unit], and not only offered a 5 year warranty on the pump [which is standard], but also a money back guarantee if the unit failed to deliver the promised results. Carlos was happy with this arrangement and proceeded with the purchase.

The Results

The Talloman crew did an excellent job setting the unit up exactly to specifications, and wanted to be sure their investment in the future was a good one. To this end, Mr Mendes had his crew track the progress of the EchoStorm by measuring the total of all taxa from “Day 1”. When the unit was installed in March, total taxa measured 217,000. Carlos called off the measuring when the last reading was taken in May, where the measure was down to 6,630 [a reduction of 97%]. Needless to say, Mr Mendes and the Talloman team are happy with the results.

They have also been pleased at how easy the unit is to access for monitoring and maintaining.

The EchoStorm aerator units are available in sizes from 2” [50mm] through to 6” [150mm], but multiple units can be used to cater for larger requirements.

When the application calls for even high levels of oxygen, much larger [and even more efficient] pumps can be utilised, each providing flow to two, three, four or even five EchoStorm venturi aerators. The efficiency of these pumps drives up the standard oxygen transfer efficiency [SOTE] even further. The use of multiple EchoStorm units also enhances mixing and virtually eliminates dead spots that are often left by competing technologies.

EchoStorm units are so versatile because they can draw water from any level in the water source and from any part, and can discharge it at any level, and any part. This gives the asset owner, numerous options for mixing or creating different treatment zones.

Venturi aerators are not just used for treating food process wastewater, but are also used for treating municipal wastewater, mine water, and also for lake destratification.

More information on these aerators may be obtained from Hydro Innovations at

The Lagoon Aerators

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The EchoStorm water aerator from Gorman-Rupp offers the benefits of safety, reliability and ease of access to water aeration applications.

Because these units are mounted on the bank [instead of floating on the water or being submerged in it], access is much less complicated and safer, while delivering oxygen transfer outcomes.

The EchoStorm water aerator benefits::

  • No cranes or row boats for maintenance
  • Easily accessed
  • Less downtime
  • Reliable and easy to maintain
  • Easily scalable and low cost of ownership
  • Thorough mixing – no dead spots
  • High SOTR (Standard Oxygen Transfer rate)
  • Oxygenated water

These aeration units are used in conjunction with Gorman Rupp self-priming centrifugal pumps to deliver solutions for the following applications:

  • Lagoon and basin water aerator
  • Oxidation ditch aeration
  • Lake destratification and algae control
  • Odour control
  • Sludge digestion
  • Septage treatment

Download the Brochure | Ask Our Team

The Gorman-Rupp Super T Series self-priming centrifugal wastewater/sewage pump has been the world benchmark for this technology since 1963 (>50 years). They have been designed for economical, trouble-free operation, with superior solids handling capability and a large inspection cover to access pump internals for service or blockage removal. Super T Series pumps now have several variants that either improve solids handling or efficiency.

Advantages include:

  • Self-Priming pump has the ability to mount high and dry above the wet well (not in it)
  • Up to 7.6 metre suction lift
  • Handle spherical solids to 76mm in diameter
  • Low cost of ownership
  • Greatly reduced OH&S issues – no more working over water/heights/cranes/heavy swinging weights
  • Surface-mounted pumps with easy access for monitoring or service
  • Advanced safety features including pressure relief valve to protect operators
  • Improved maintenance features to greatly reduce maintenance time and costs, with removable rotating assembly
  • A variety of materials of construction to handle abrasive and/or corrosive fluids
  • “Eradicator” technology for handling rags, wet wipes, rope etc
  • “Eradicator Plus” technology for extreme-duty stringy materials applications

Super T Series With Eradicator
Super T Series with Eradicator Plus

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Hydro Innovations is proud to distribute a broad range of quality, reliable and industry-leading industrial pumps and aerators.

We are also delighted to share that Hydro Innovations is proud to be the exclusive distributor of Gorman-Rupp Pumps.

Gorman-Rupp is the world leader in self-priming centrifugal wastewater pump technology, and invests heavily in R&D, and in training for their international representatives – like Hydro Innovations.

This puts us in an excellent position to make the very best recommendations for our Australian customers.

Our other suppliers, Ragazzini of Italy and EDUR of Germany, are also world leaders in their respective technologies (Peristaltic Pumps – Ragazzini, and Specialist centrifugal pumps – EDUR).

We carry a very large inventory of pumps and spare parts for all of these brands, to help us to deliver industry-leading service.