What is the typical Potassium load per person in the waste water?

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Prem Baboo

Dear Ibraheem,

The mainly potassium waste generated by human body is Struvite.

Urine contains large quantities of nitrogen (mostly as urea), as well as significant quantities of dissolved phosphates and potassium,

Urine typically contains 70% of the nitrogen and more than half the phosphorus and potassium found in urban waste water flows, while making up less than 1% of the overall volume. potassium magnesium phosphate(K MgPO4.6H2O )is the forms of struvite.

Composition of Urine

KH2PO4 = 4.2 mg/lit

KCl- = 1.6 mg/lit

These Nutrient P, K Mg can be recovered from waste for process of recovery please find attached following link

Regards,

Article Phosphate and Potassium Recovery from Source Separated Urine...

Satoshi Nakao

As following paper showed contains potassium 10 ~ 30 mg/L in typical waste water. But I cannot caluculate a potassium load per person, sorry.

http://gwrdc.com.au/wp-content/uploads/2012/08/PotassiumReview_Article_CSIRO.pdf

Ibraheem Hamdan

Thank you very much for the answers. I think the Potassium load normally done in the waste water treatment plants.