BACKGROUND Hopewell Water Renewal (HWR) is a 50 MGD secondary wastewater treatment plant that treats the wastewater from local industries and domestic sources of the Hopewell, VA area. The plant began operating in 1977 and treats approximately 85% industrial waste. The facility achieves the treatment permit requirements for both BOD and TSS; however, treatment regulations have changed over the years and now require the removal of nutrients. HWR conducted an extensive alternatives evaluation and pilot treatability study of various technologies to select the appropriate treatment technology. With more than six months of pilot testing complete, World Water Works’ Ideal MBBR-DAFTM system was the clear leader.

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