A thermochemical process can convert lipids from sewage sludge into biodiesel, according to a new study (Environ. Sci. Technol., DOI: 10.1021/es3019435). The low cost and high yield of the sludge ...

The funding round led by Toby Z. Rice, a seed investor in Archaea Energy, allows Orbital to pursue more contracts in the ...

NAGOYA--Sludge generated through sewage treatment is set to be marketed by city officials here as the perfect fertilizer rich in nitrogen and phosphorus. Nitrogen is an indispensable ingredient to the ...

JACKSONVILLE, Florida — The St. Johns Riverkeeper organization is leading the local charge against sewage sludge in the river. Sewage sludge is a human waste byproduct that is treated, processed and ...

Chemicals in Sewage Sludge Fertilizer Pose Cancer Risk, EPA Says Harmful chemicals in sewage sludge that is spread on pasture land as fertilizer are causing cancer, the Environmental Protection Agency ...

Part 2 of Grist’s special series on poop. “We’re trying to get the pieces bigger — ideally the size of pencil erasers,” said John “Rus” Miller, handing me a plastic packet of a brown, dry, crumbly ...

WASHINGTON — 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 ...

The sludge that is created through sewage treatment processes is rich in nutrients like phosphorous and nitrogen, making it an excellent source of fertilizer for agriculture. But not all that it ...

Environmental advocates are renewing calls to ban the use of sewage sludge — or "biosolids" — as fertilizer, after an Environmental Protection Agency draft report found there may be health risks ...

WASHINGTON — Harmful chemicals in sewage sludge that is spread on pasture land as fertilizer are causing cancer, the Environmental Protection Agency said Tuesday. The risk is highest for people who ...