I'm currently studying the treatment of sewage wastewater and am interested in understanding the impact of autoclaving on the concentration of heavy metals. Specifically, I would like to know if the process of autoclaving (sterilizing using high-pressure steam) can reduce the levels of heavy metals present in the wastewater. Any insights, studies, or references to relevant research would be greatly appreciated.
Dear Misbah Roshan ,
Sterilizing sewage using high pressure steam might co-precipitate some of the dissolved heavy metals and/or bind these to the suspended solids.
Since more than 40 years, we use a far more sustainable biological way to precipitate and remove all dissolved heavy metals down to ppb levels from a broad range of wastewaters.
Bruno Peeters Thank you for your guidance. I want to know that if autoclaving have any effect on the concentration of heavy metals in wastewater. Does the concentration decreases by autoclaving the wastewater?
Misbah Roshan
We have no experience on autocalaving wastewaters but we know that using high pressure steam might co-precipitate some of the dissolved heavy metals and/or bind these to the suspended solids. This implies that the liquid fraction of the wastewater is likely to have less heavy metals. The solids containing the precipitated heavy metals can be separated from the wastewater in many ways.
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