Âé¶¹ÒùÔº

Search results for seawater desalination

Environment Jan 19, 2023

Desalination could give the Middle East water without damaging marine life. But it must be managed carefully

More than 2 billion people live in "water stressed" countries. These are territories where more than 25% of the available freshwater resources are withdrawn for human use each year.

Ecology Jan 11, 2023

Human actions created the Salton Sea, California's largest lake. Here's how to save its ecosystem

The Salton Sea spreads across a remote valley in California's lower Colorado Desert, 40 miles (65 kilometers) from the Mexican border. For birds migrating along the Pacific coast, it's an avian Grand Central Station. In midwinter ...

Environment Dec 29, 2022

In Arizona, Colorado River crisis stokes worry over growth and groundwater depletion

Kathleen Ferris stared across a desert valley dotted with creosote bushes, wondering where the water will come from to supply tens of thousands of new homes. In the distance, a construction truck rumbled along a dirt road, ...

Nanomaterials Nov 22, 2022

Experiment demonstrates nanoscale structures can improve reverse osmosis seawater desalination

A multinational team of researchers have developed a process that builds on the success of current reverse osmosis processes that remove salt from seawater. Researchers led by Professor Heqing Jiang, of the Qingdao Institute ...

Environment Nov 21, 2022

Monterey Bay desalination project is approved despite environmental injustice concerns

In a decision that sheds harsh light on the state's commitment to environmental justice amid growing drought anxiety, the California Coastal Commission has granted conditional approval to a controversial Monterey Bay desalination ...

Environment Oct 6, 2022

As Salton Sea faces ecological collapse, a plan to save it with ocean water is rejected

For as long as the Salton Sea has faced the threat of ecological collapse, some local residents and environmentalists have advocated a radical cure for the deteriorating lake: a large infusion of ocean water.

Polymers Oct 6, 2022

Taking salt out of the water equation

Ultrathin polymer-based ordered membranes that effectively remove salt from seawater and brine could provide a promising alternative to existing water desalination systems, a KAUST-led team demonstrates. Their research appears ...

Materials Science Sep 23, 2022

Simple process extracts valuable magnesium salt from seawater

Since ancient times, humans have extracted salts, like table salt, from the ocean. While table salt is the easiest to obtain, seawater is a rich source of different minerals, and researchers are exploring which ones they ...

Materials Science Aug 31, 2022

Novel technology to improve the high permselectivity and anti-biofouling properties of RO membranes

Reverse osmosis (RO) has attracted wide attention for its extensive applicability in brackish water and seawater desalination. Thin-film composite (TFC) polyamide (PA) RO membranes consisting of a dense separating layer and ...

Environment Aug 12, 2022

Drought tightens its grip on Morocco

Mohamed gave up farming because of successive droughts that have hit his previously fertile but isolated village in Morocco and because he just couldn't bear it any longer.

page 5 from 30