Search results for wastewater treatment

Environment Apr 22, 2024

Turning to nature to improve vital water treatment

Escalating industrialization, urbanization and climate change in Asia present a significant challenge to maintaining water quality.

Environment Mar 19, 2019

Wastewater contains nutrients, energy and precious metals—scientists are learning how to recover them

Most people think as little as possible about the wastewater that is produced daily from their showers, bathtubs, sinks, dishwashers and toilets. But with the right techniques, it can become a valuable resource.

Environment Aug 29, 2011

Wastewater recycling can multiply greenhouse gas emissions

New research shows that wastewater recycling processes may generate more greenhouse gases than traditional water-treatment processes. Despite this finding, there are good reasons to continue keep wastewater recycling among ...

Earth Sciences Oct 26, 2023

Do or dye: Synthetic colors in wastewater pose a threat to food chains worldwide

Dyes widely used in the textile, food and pharmaceutical industries pose a pressing threat to plant, animal and human health, as well as natural environments around the world, a new study has found.

Environment Feb 8, 2021

Half of global wastewater treated, rates in developing countries still lagging

A new study by scientists at Utrecht University and the United Nations University concludes that about half of global wastewater is treated, rather than the previous estimate of 20%. Despite this promising finding, the authors ...

Environment Sep 17, 2020

New technology makes wastewater from the oilsands industry safer for fish

In the northeastern corner of Alberta, nestled among the expanses of forests and wetlands, lies a major freshwater dilemma that Canada is currently facing.

Environment Nov 14, 2011

New study finds that even the cleanest wastewater contributes to more 'super bacteria'

A new University of Minnesota study reveals that the release of treated municipal wastewater – even wastewater treated by the highest-quality treatment technology – can have a significant effect on the quantities ...

Environment Mar 2, 2011

Despite overhaul, gas wastewater still a problem

(AP) -- Pennsylvania's natural gas drillers are still flushing vast quantities of contaminated wastewater into rivers that supply drinking water, despite major progress by the industry over the past year in curtailing the ...

Environment Dec 15, 2016

How to generate resources from urban wastewater

The Environmental Engineering and Microbiology Group (GEMMA) of the Universitat Politècnica de Catalunya (UPC) is investigating how to produce new energy resources and high-value products from wastewater of urban, industrial ...

Materials Science Feb 2, 2022

Process removes biofuel contaminants from wastewater and generates hydrogen to fuel its own operation

The holy grail of bio-fuel researchers is to develop a self-sustaining process that converts waste from sewage, food crops, algae and other renewable carbon sources into fuels, while keeping waste carbon out of our atmosphere ...

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