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Commission approves $12.38 million design contract for biosolids drying and thermal-oxidation project
Summary
The Kalamazoo City Commission voted unanimously to authorize a professional services agreement with Jones & Henry Engineers LTD for Phase 3 design of a biosolids dryer and thermal oxidation system aimed at cutting landfill hauling, odors and greenhouse-gas impacts.
The Kalamazoo City Commission on Monday approved a $12,375,000 professional services agreement with Jones & Henry Engineers LTD to advance design and project planning for a large-scale change in how the city manages wastewater biosolids.
Public Services Director Georgia Baker told commissioners the city currently hauls about 200 wet tons of biosolids a day to landfill, costing “over $13,000,000 a year.” The contract will fund detailed engineering for a system that dries biosolids to roughly 98% solids and uses thermal oxidation with energy recovery, she said.
The project team presented the change as a move away from daily hauling of wet material and toward producing a near‑dry product that can be stored, managed and pursued for…
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