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Honolulu In-Vessel Bioconversion Facility

The City and County of Honolulu (CCH) partnered with Synagro to develop a system to recycle and reuse the biosolids produced in their main wastewater treatment plant, thus providing a model for a closed-loop environmental system. CCH contracted with Synagro to design, build and operate an in-vessel bioconversion facility located at the Sand Island Wastewater Treatment Plant. The facility consists of an egg-shaped anaerobic digester, centrifuge dewatering and a heat-drying and pelletization facility to produce an Exceptional Quality designated product. The pellets produced provide a natural substitute for synthetic fertilizer to Oahu’s agricultural and landscaping communities.

Facility Information

FACILITY
非会员试看5分钟视频,非会员区试看120秒Honolulu In-Vessel Bioconversion Facility

TECHNOLOGY
Drying

LOCATION
1350 Sand Island Parkway
非会员试看5分钟视频,非会员区试看120秒Honolulu, HI 96819

COUNTY
Honolulu

BY THE NUMBERS
2007 launch
99% decrease in landfill disposal of biosolids