Magnesium Change During Anaerobic Biosolids Dewatering
Abstract:During the startup of a dewatering plant processing anaerobically digested biosolids struvite (MgNH4PO4•6H2O) precipitation developed in the supernatant handling system. Because of this a program to monitor the biosolids and supernatant was initiated. This program analyzed the biosolids and supernatant, both unfiltered and filtered, for the components of struvite. This poster examines the concentration of struvite components before and after dewatering, both filtered and unfiltered. Review of these data shows there was an increase in the magnesium (Mg2+) concentration between the filtered biosolids and filtered supernatant samples. This increase in magnesium concentration is a factor in struvite precipitation in dewatered anaerobic biosolids supernatant piping and equipment.
Document Type: Research Article
Publication date: 2001-01-01
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