The goal of the pilot was to prove that BioMag would allow the existing 6 MGD facility to treat sustained wet weather flows of up to 12 MGD while maintaining permit compliance particularly with regards to suspended solids capture in the secondary clarifiers.
The pilot was constructed by Interstate Water and Wastewater Specialists in three weeks and officially kicked off on March 18, 2009. The plant was separated into a control section and BioMag section in essence creating the potential for each side to treat 6 MGD for a total plant flow of 12 MGD. During the first month both sides treated similar flows while the system was charged with magnetite.
Once the magnetite to biosolids ratio reached a desired level, several high flow tests were conducted for 8 hr periods culminating with a 24 hour test all greater than 6 MGD. Total suspended solids averaged less than 10 ppm and the sludge blanket was maintained less than 3 feet during the testing. Cambridge Water Technologies, EERM (Environmental Engineer and Management Associates - owners consultant) and the owner were excited about the results and all parties are considering it a success. The final report will be published in the very near future.
I have the opportunity to meet some great folks on this job. Thanks go to Lee Honeywell and his staff for making my stay in Upper Gwynedd a pleasure. Also thanks to Ed Gillette and his staff for setting the bar high enough to make me sweat!
Next on the BioMag Pilot world tour are several possible eastern US cities and towns. Stay tuned......
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