Page 3: Research news on waste treatment and disposal

Waste treatment and disposal encompasses the engineered processes and systems used to manage solid, liquid, and gaseous wastes to minimize environmental and human health impacts. It includes physical, chemical, and biological treatment methods such as sedimentation, filtration, adsorption, oxidation–reduction, incineration, composting, anaerobic digestion, and advanced thermal or physicochemical processes, often integrated with resource recovery (e.g., energy, nutrients, materials). Disposal refers to the final placement of residuals in landfills, deep-well injection, or other long-term containment systems designed with liners, leachate collection, gas management, and monitoring to control emissions, prevent groundwater contamination, and ensure regulatory compliance.

DR Congo fishermen resort to trawling plastic waste

The mighty Congo River feeds millions of people along its course through the vast Democratic Republic of Congo but fishermen near the capital now find more plastic than fish in their nets.

Wine's leftovers could help wean chicken farms off antibiotics

Every year, millions of gallons of wine are pressed, leaving behind a mountain of pulpy residue—grape skins, seeds, stems and peels—that wineries struggle to dispose of. Now, researchers say this overlooked byproduct could ...

Eucalyptus bark points the way to cleaner water and air

Eucalyptus bark, usually stripped from logs and treated as waste, could be repurposed to help clean polluted water, filter dirty air and capture carbon dioxide, according to new research from RMIT University. Researchers ...

page 3 from 17