New Hillsboro Plant Sells Nutrients From Sewage
A sewage treatment facility in Hillsboro will soon be making money off of nutrients people flush down the toilet.
The wastewater utility Clean Water Services teamed up with Ostara Nutrient Recovery Technologies, Inc. of Vancouver, B.C., to build the world’s largest nutrient recovery operation at Hillsboro’s Rock Creek Advanced Wastewater Treatment Facility.
Ostara has created technology that can extract 90 percent of the phosphorous and 20 percent of the nitrogen from municipal wastewater and turn it into slow-release fertilizer pellets the company calls Crystal Green.
The system reclaims nutrients that Clean Water Services would have to remove from wastewater anyway to protect water quality in the Tualatin River. And it uses them to make fertilizer with a fraction of the energy inputs normally required.
Read the full article online at ecotrope.opb.org