Thinking About Biosolids; Joining the Movement from Class B to Class A
Historically, most of us did not think about biosolids.
For many years, this potentially valuable material was viewed as something we had to “get rid of”. It was dumped into landfills, over-applied to farmlands (i.e., not at proper, agronomic rates), buried in remote locations and/or otherwise “disposed” of. In those days, there were few choices in terms of the safe and proper treatment of this amazing resource. There were also legitimate concerns with things like pathogens and metals in biosolids.
Today, however, thanks to decades of careful research and advancements in the science of wastewater infrastructure and treatment, we know that it is possible to retain the good in these raw resources and produce of exceptional quality derived from biosolids. These advancements are allowing us…