GRAND HAVEN TWP. — The Ottawa County Board of Road Commissioners has given its blessing to a project plan to build a regional facility to process sewage sludge produced by the county's wastewater ...
Chennai: Can we reuse for gardening or agriculture the sludge generated by sewage treatment plants (STPs) in the city? A ...
Researchers from the VTT Technical Research Centre of Finland have demonstrated a hybrid system for drying woody biomass that utilizes both solar thermal energy and a heat pump. “We have indeed ...
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