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Methods of phosphate removal in wastewater

Audrey Barucchi \ January 24, 2020

Today, the biggest challenge facing the humans is sustainability. As a species our population and success has been limited by the natural world around us. This changed in the mid-1800s with an explosion of the world population thanks to high yield agriculture, bringing with it an imbalance in natural systems and cycles.

Understanding the huge challenges of anthropogenic global warming and inherit limitations of non-renewable resources such as oil and gas is the biggest sustainability challenge that humans face today. However the need is urgent and there is scientific consensus which gives us an increasingly accurate understanding of the system limits, and guidance on how to avoid catastrophe.

This exponential population growth is in part due to the phosphorous fertiliser extracted from bird guano, and now mined and extracted from rocks, speeding up one part of the phosphorous cycle that enables consumption. Unfortunately, due to the geological timescales of the phosphorous cycle, this effectively limits the total phosphorous available to us, effectively making it a non-renewable resource.

Today Phosphorous is abundant, and because of this we spew phosphorous into waterways and oceans, treating it with Alum or Ferric Chloride and discharging aluminium phosphate or ferric phosphate with no thought for the consequences, and the inevitable long term shortages due to it’s current abundance.

A newly invented technology, Nano-Active Magnesium Hydroxide called ACTI-Mag may hold the key to maintaining the balance within the phosphorous cycle, enabling capture within waste water treatment solids which can be recycled directly back into the food chain.

In this webinar, Michael explored ways that you can reduce the phosphate within wastewater effluent while improving the quality of sludge.

Calix recognises that Safety, Health and Environment (SHE) management must be integrated into all operations in our organisation. In light of the latest advice on corona virus, and the need to work more remotely, Calix has created a series of webinars so you can take advantage of Calix’s know-how without leaving your home or office!

How to join and participate in a Webinar on Youtube?

To watch our next webinars, you will need to go to our Youtube Live Stream on the right day at the right time.

In order for you to be able to interact (make comments, ask questions) while the webinar is being broadcasted, you will need to be logged in while on Youtube.

If you have any questions, feel free to reach out – we will be delighted to help.

Youtube Live Stream

Other webinars

February 15, 2020 \ Calix Global Challenges
COVID-19 – adapt your communication strategy

In this webinar, Michael and Audrey will explain how Calix has leveraged a passion of solving challenges to turn COVID-19 challenges into business opportunities.

January 24, 2020 \ Improving the Sustainability of Water Treatment
Methods of phosphate removal in wastewater

In this webinar, Michael explored ways that you can reduce the phosphate within wastewater effluent while improving the quality of sludge.

January 23, 2020 \ Improving the Sustainability of Water Treatment
Chemistry 101 – Better pH and alkalinity control

A very informative, yet brief session with Dr Doug Kelley, one of the field leaders in pH and alkalinity control. Doug outlined the basic chemistry that lies under the pH measurement and how alkalinity and other chemicals can affect your process.

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