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The Benefits of Aquaculture and Degasification for Pisciculture

Posted by Anthony DeLoach, President on Jul 23, 2019 11:03:53 AM

Forced Draft Degasification tower optimizing water quality in aquaculture operations, removing CO2 and H2S gases for enhanced efficiency.

Optimizing Water Quality and Enhancing Efficiency.

To enhance and balance the water quality in aquaculture and pisciculture operations, the industry is recognizing the benefits of utilizing a type of water treatment called “Forced Draft Degasification” to remove CO2 (Carbon Dioxide) and H2S (Hydrogen Sulfide) gases and oxidize other elements such as Iron or Magnesium.

Removing these elements from the water process improves the quality of the water and aids in the balancing of the pH without the need for additional chemicals. This also reduces the risk of unnecessary and preventable loss of life to your aqua farming project. Keeping the ph at the proper level will enable a good healthy environment and will prevent further problems that may occur due to the ph is not kept in a stable state.

Not all degasification towers are equal!

The market has seen an influx of low-efficiency performance systems which is why they may offer a low capital entry point for a customer they fall short of providing the overall quality enhancements a properly designed degasification tower provides. Utilizing low-efficient perforated trays with natural updraft will result in low removal efficiencies of CO2 and H2S gases.

There are additional benefits that are achieved when a properly designed and sized degasification tower is selected for aquaculture water enhancement which include the ability to remove excess heat from the water and stabilize a temperature from the effluent of the tower. In order for your system to maintain its efficiency it is important to design the proper tower for your needs. In addition, the oxidation of iron enhances the enrichment of O3 (Oxygen) and the complete conversion and removal of CaCO3 (Calcium- Carbonate). A properly sized degasification tower or Decarbonation tower if your goal is to only remove CO2 will utilize a loose fill media packing bed, a header lateral distribution system with nozzles, media support plates, de-mister, and a forced draft type blower capable of overcoming the required static pressure.

Properly designed degasification towers utilize “Henry’s Law Theory” of pressure equilibrium in water.

By properly altering the equilibrium of the water pressure inside of the degasification tower you can liberate all entrapped gases and also create oxidation and conversion of other chemical elements within the water to allow them to enter a gas phase and be removed from the water during the degasification process. The gases are “stripped” from the water as the cross current airflow travels up thru the tower as the water droplets are continually “impinged” and reshaped over and over again allowing new molecules to reach the edge of the water droplet and be removed in the cross current airflow. This is “Degasification”.

DeLoach Industries Inc a 60-year veteran and pioneer in degasification and water filtration performs a detailed analysis of water data for each customer to achieve a design that will maximize the enhancement benefits of the treatment and also lower the operating cost of the operation. By removing CO2 DeLoach Industries systems will raise the pH of the water by the removal of the carbonic acid. Lowering the pH upstream of the process is often required to allow full conversion of the hydrogen sulfide so it can be removed as a gas from the water. It is also important to understand that when the H2S is being removed from your water, you must also maintain specific air quality specifications for odor control.  That is why the staff at DeLoach Industries will design and build your equipment to your specific needs to comply with all NSF/ANSI guidelines. For more information on water treatment for the aquaculture/aqua farming industry visit www.DeLoachIndustries.com

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Topics: De-Aeration, carbon dioxide, decarbonator, degasifier, gases, H2S Degasifier, Aqua Farming, Fish Farming, Aquaculture, Pisciculture

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