However, conventional anaerobic digestion remains relatively inefficient, with the process typically converting less than 40% of the sludge's carbon into usable gas. Large amounts of carbon-rich ...

Companies like Merrell Bros. turn Florida’s sewage into fertilizer. Director of Florida Operations Charles “Red” Vancura stands inside one of the company’s greenhouses in Spring Hill, Florida, on Nov.

Renewable energy company Green Development is proposing a new sludge processing plant in North Kingstown, Rhode Island. The facility would use a high-heat process called pyrolysis to turn wastewater ...

Woonsocket residents are suing the city over nauseating odors from a local sludge incinerator. The Woonsocket City Council has voted to close the incinerator, which processes waste for over 20 ...

Dried sludge at Greater Augusta Utilities District's wastewater treatment plant in 2023. Sewage sludge was once spread on Maine farms as fertilizer but is now sent to landfills because it caused PFAS ...

Farmland is everywhere in tiny Unity Township, from neat fields of corn to open cattle pastures. And so are layers of wet organic sludge, a onetime fertilizer that has triggered a crisis over “forever ...

Sludge dewatering reduces weight and volume, making disposal more cost-effective and manageable, with dry solids content typically between 15-45%. Factors affecting dewatering include extracellular ...

Diego is a writer and editor with over six years of experience covering games. He's mainly focused on guides, but he's done reviews, features, news, and everything in between. A fan of all genres, you ...

Sludge dewatering removes most of the water from biosolids, producing a solid cake with 15 to 45% dry solids content, unlike thickening which retains more water. Key dewatering methods include ...

The Biden administration in its final days issued a draft health risk assessment level for some PFAS in sludge that would have dramatically limited the use of the substance, also called biosolids, as ...

What goes down your toilet can end up on farm fields across the United States. Biosolids, or sewage sludge, are the solid byproducts of the wastewater treatment process. Rich in nutrients, they can be ...