Sewage Plant’s Struvite Problem Turned Into Useful Fertilizer
The process of harvesting struvite (magnesium ammonium phosphate) to remove excess phosphorus from the anaerobic digestion process at wastewater treatment plants is simultaneously reducing operations/maintenance costs and creating small, round struvite particles suitable for reuse as a bagged fertilizer for gardens and indoor plants. An award-winning technical paper whose abstract is available here has called… Read More »
Tags: Fertilizer, Madison, Sewage Treatment, Struvite, Wastewater, Wisconsin
To Dam It Or Not To Dam It
By Pete Haug, PE As a water resources engineer who’s inspected hundreds of river structures and dams over the past 15 years, I’ve seen dams at their best and worst. You have those fully functional dams dutifully retaining water, maintaining flood control, assisting with irrigation, controlling sedimentation, and supplying hydropower. And you have those that… Read More »
Tags: Dam, Hydropower, Permitting, Sediment, Water Resources
Cities Find Shared-Use Streets Just Woonerf-ul
A new old street design concept with a funny name is popping up in communities throughout the world. The woonerf (click here for pronunciation) is Dutch for “living street” and is reminiscent of an Old World village square. A woonerf-styled street is shared by cars, trucks, bikes, and people without the need for traffic lights,… Read More »
Tags: Batavia, Eau Claire, Falcon Center, Illinois, Smart Streets, Suamico, Traffic Calming, Traffic Engineering, University of Wisconsin-River Falls, Wisconsin, Woonerf
