Keyword: Water pollution

Briefs: Packaging & Sterilization
This treatment has the potential to remove from drinking water nearly all viruses that have an “outer fortress.”
Briefs: Mechanical & Fluid Systems
The solution increases water recovery, prevents mineral scaling, and cuts the volume of brines in half.
Briefs: Green Design & Manufacturing
The desalination method produces clean water while, at the same time, potentially capturing valuable metals such as gold.
Articles: Wearables
Head-up displays, health-monitoring sensors from NASA, and a pollen sponge.
Briefs: Green Design & Manufacturing
This highly porous sponge absorbs more than 30 times its weight in oil and can be reused up to several dozen times.
Briefs: Materials
Bacteria-Based Hydrogel Beads Clean Up Contaminated Groundwater
Beads that contain bacteria and a slow-release food supply to sustain them can clean up contaminated groundwater for months on end, maintenance-free.
Briefs: Test & Measurement
This device could be used to find threats to ecosystems.
Briefs: Materials
Smartphone Test Spots Poisoned Water Risk

Researchers have developed a biosensor that attaches to a smartphone and uses bacteria to detect unsafe arsenic levels. The device generates easy-to-interpret patterns similar to volume-bars that display the level of contamination.

Briefs: Manufacturing & Prototyping

Researchers at the University of Houston have created an inexpensive system that can detect lead in tap water at levels commonly accepted as dangerous, using a lens made with an...

5 Ws: Imaging
Who

Individuals needing or wanting to examine lead content in their drinking water on-demand and in virtually any environmental setting.

Articles: Green Design & Manufacturing
Energy Saving Filter for Removal of Heavy Metals from Water Volodymyr Khranovskyy, R. Yakimova, Ivan Shtepliuk, P. Lima de Carvalho, and A. Pinto
Talent...
Briefs: Sensors/Data Acquisition

Induced seismicity is earthquake activity that occurs because of changes in subsurface stress brought about by human activity. Using geology,...

Briefs: Test & Measurement

Borrowing concepts from medical diagnostic devices, researchers have created a simple, inexpensive set of handheld tests that can detect the presence of many water- or...

Briefs: Green Design & Manufacturing

NASA has invented an innovative method to grow algae, clean wastewater, and capture carbon dioxide to ultimately produce biofuel. The invention consists of floating...

Briefs: Mechanical & Fluid Systems
Filtering Molecules with Nanotube Technology

Innovators at NASA's Johnson Space Center have developed a filtration device to eliminate contaminants from water supplies. Originally developed to purify waste-water for reuse aboard the International Space Station, the innovation is applicable to numerous situations on Earth where there is a need to...

Briefs: Green Design & Manufacturing

In collaboration with the State University of New York and the Naval Research Laboratory, NASA’s Marshall Space Flight Center is developing a hyperspectral estimator...

Briefs: Green Design & Manufacturing
Algae Photobioreactor Using Floating Enclosures With Semi-Permeable Membranes

Various species of algae are known to produce valuable products ranging from food to fertilizer to biofuels. Methods have been developed for producing biofuels by processing algae and other micro-organisms that grow in aquatic environments, but the largescale...

Briefs: Green Design & Manufacturing

A method was developed that allows water recycling, air treatment, thermal control, and solid residuals treatment and recycle to be removed from the usable habitat volume...

Articles: Aerospace

The technologies NASA develops don’t just blast off into space. They also improve our lives here on Earth. Life-saving search-and-rescue tools, implantable medical devices, advances in commercial aircraft...

Briefs: Physical Sciences
Method of Water Regeneration From Waste and Cascade Distillation

Effective recovery of potable water from various streams and sources of wastewater, seawater, or contaminated water is a significant task for securing existence of human beings in space, terrestrial, and marine environments. Efficient purification of the wastewater is also a very...

Briefs: Mechanical & Fluid Systems

Improvements in brine water recovery are critical to advancing NASA’s goals for human exploration of space. Water recovery systems must minimize the need for new supplies of clean water by closing the water...

Articles: Green Design & Manufacturing

At NASA’s Johnson Space Center in the mid-1990s, Mike Johnson assisted the scientists who were developing technology to convert urine into drinking water. The research conducted by the...

Briefs: Mechanical & Fluid Systems
Sheet Membrane Spacesuit Water Membrane Evaporator

A document describes a sheet membrane spacesuit water membrane evaporator (SWME), which allows for the use of one common water tank that can supply cooling water to the astronaut and to the evaporator. Test data showed that heat rejection performance dropped only 6 percent after being subjected...

Briefs: Materials

Devices that could be characterized as acoustically driven molecular sieves have been proposed for filtering water to remove all biological contaminants and all molecules larger...

Briefs: Medical

Two devices — a magnetic separator and a special filter denoted a self-regenerating separator (SRS) — have been developed for separating sludge from the stream of wastewater...

Application Briefs: Physical Sciences
DynaJets® and DynaSwirl® cavitating jet technologies
DynaFlow
Jessup, MD
301-604-3688
www.dynaflow-inc.com

Water is a critical product of...

Briefs: Mechanical & Fluid Systems
Development of Vapor-Phase Catalytic Ammonia Removal System

A report describes recent accomplishments of a continuing effort to develop the vapor-phase catalytic ammonia removal (VPCAR) process for recycling wastewater for consumption by humans aboard a spacecraft in transit to Mars. The VPCAR process is implemented by a system of highly...

Briefs: Medical

A prototype of an electroporation system for sterilizing wastewater or drinking water has been developed. In electroporation, applied electric fields cause transient and/or permanent changes in...

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