Remediation Technologies

A Step Forward for Bioremediation
Posted in Remediation Technologies, Green Design & Manufacturing, News, GDM on Thursday, November 10 2011
Berkeley Lab researchers have revealed critical genetic secrets of a bacterium that holds potential for removing toxic and radioactive waste from the environment. The researchers have provided the first ever map of the genes that determine how these bacteria interact with their surrounding environment.
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Automotive IC
Posted in Remediation Technologies, Green Design & Manufacturing, Greenhouse Gases, Energy Efficiency, Energy, Transportation, Products, GDM on Thursday, October 13 2011
STMicroelectronics (Geneva, Switzerland) introduces the L99PM72PXP, an automotive IC supporting advanced networking technology to unlock valuable improvements in fuel efficiency and emissions. The new chip reduces the energy consumed by systems such as door electronics and climate controls by allowing modules to be turned off individually when not being used.
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Edible Carbon Dioxide Sponge
Posted in Remediation Technologies, Green Design & Manufacturing, Greenhouse Gases, News, GDM on Friday, September 23 2011
A team of researchers at Northwestern University has discovered that a class of nanostructures made of sugar, salt, and alcohol can efficiently detect, capture, and store carbon dioxide. And the compounds themselves are carbon-neutral.
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Electricity and Carbon Offsets from Hog Waste
Posted in Pollution, Waste-to-Energy, Remediation Technologies, Green Design & Manufacturing, Greenhouse Gases, Renewable Energy, Energy, GDM on Thursday, September 08 2011
A system constructed by Duke University and Duke Energy on a hog finishing facility converts hog waste into electricity and creates carbon offset credits. Google, which invests in carbon offsets to fulfill its own carbon neutrality goals, announced its endorsement of the project this week.
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Carbon Dioxide Removal via Passive Thermal Approaches
Posted in Remediation Technologies, Green Design & Manufacturing, Greenhouse Gases, Energy Efficiency, Energy, Briefs, GDM on Thursday, July 07 2011
A regenerable approach to separate carbon dioxide from other cabin gases by means of cooling until the carbon dioxide forms carbon dioxide ice on the walls of the physical device has been developed. Currently, NASA space vehicles remove carbon dioxide by reaction with lithium hydroxide (LiOH) or by adsorption to an amine, a zeolite, or other sorbent.
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Speeding Cleanup of Contaminated Sites
Posted in Pollution, Environmental Monitoring, Remediation Technologies, Green Design & Manufacturing, News, GDM on Friday, January 07 2011
An engineering team at Oregon State University has invented a new type of radiation detection and measurement device that will be useful for cleanup of sites with radioactive contamination - making the process faster, more accurate, and less expensive.
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Desalinate Water, Produce Hydrogen, and Treat Wastewater?
Posted in Waste-to-Energy, Alternative Fuels, Remediation Technologies, Green Design & Manufacturing, Renewable Energy, Energy, News, GDM on Friday, December 03 2010
Water purification requires a lot of energy, while utility companies need large amounts of water for energy production. Researchers from the University of Colorado Denver College of Engineering and Applied Science have found a way to generate pure hydrogen gas and desalination facilitated by an external power supply.
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Organic Solvent System May Improve Recycling of Catalysts
Posted in Climate, Pollution, Alternative Fuels, Remediation Technologies, Green Design & Manufacturing, Recycling Technologies, News, GDM on Thursday, November 11 2010
Noble metals such as platinum and palladium are becoming increasingly important because of growth in environmentally friendly applications such as fuel cells and pollution control catalysts. Because the world has limited quantities of these materials, manufacturers will have to rely on efficient recycling processes to help meet the demand.
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Electronic Monitoring For Coastal Waters
Posted in Environmental Monitoring, Remediation Technologies, Green Design & Manufacturing, Energy Efficiency, Energy, News, GDM on Monday, November 08 2010
With a National Science Foundation (NSF) grant, researchers from North Carolina State University are developing a cost-effective electronic monitoring system that will advance understanding of critical coastal ecosystems by allowing users to track water-quality data from these waters in real time.
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New Geoengineering Approaches Offset Global Warming More Efficiently
Posted in Climate, Remediation Technologies, Green Design & Manufacturing, Greenhouse Gases, News, GDM on Thursday, September 09 2010
Releasing engineered nano-sized disks or sulphuric acid, a condensable vapour, above the Earth are two novel approaches that offer advantages over simply putting sulphur dioxide gas into the atmosphere, says Dr. David Keith, a University of Calgary climate scientist.
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Solar-Powered, Oil-Cleaning Robots: Solution for Oil Spill?
Posted in Pollution, Remediation Technologies, Green Design & Manufacturing, Solar Power, Energy, News, Videos, GDM on Wednesday, August 25 2010
A team of researchers at MIT's SENSEable City Laboratory have developed Seaswarm, a robot that autonomously navigates the water’s surface and uses nanofibers to absorb 20 times its weight in oil, which could be made into a viable solution for cleaning up the Gulf oil spill.
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Paving Slabs Clean the Air
Posted in Building Technologies, Pollution, Remediation Technologies, Green Design & Manufacturing, Solar Power, Energy, Government Initiatives, Government, News, GDM on Monday, August 16 2010
Innovative paving slabs that are coated in titanium dioxide nanoparticles can reduce the amount of nitrogen oxide in the air. Titanium dioxide is a photocatalyst; it uses sunlight to accelerate a naturally occurring chemical reaction, the speed of which changes with exposure to light.
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Sustainable Biochar to Mitigate Climate Change
Posted in Climate, Pollution, Remediation Technologies, Green Design & Manufacturing, Greenhouse Gases, Biomass, Renewable Energy, Energy, News, GDM on Wednesday, August 11 2010
By producing biochar - a charcoal-like substance made from plants and other organic materials - up to 12 percent of the world's human-caused greenhouse gas emissions could be sustainably offset, which is more than what could be offset if the same plants and materials were burned to generate energy.
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Switchgrass Lessens Soil Nitrate Loss Into Waterways
Posted in Pollution, Remediation Technologies, Green Design & Manufacturing, Biomass, Renewable Energy, Energy, News, GDM on Tuesday, August 10 2010
By planting switchgrass and using certain agronomic practices, farmers can significantly reduce the amount of nitrogen and nitrates that leach into the soil, according to Iowa State University research.
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Road Surface Purifies Air by Removing Nitrogen Oxides
Posted in Building Technologies, Climate, Pollution, Remediation Technologies, Green Design & Manufacturing, Transportation, News, GDM on Wednesday, July 07 2010
Road surfaces can make a big contribution to local air purity. This conclusion can be drawn from the first test results on a road surface of air-purifying concrete, which reduces the concentration of nitrogen oxides (NOx) by 25 to 45 percent.
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Formula for the Removal and Remediation of Polychlorinated Biphenyls in Painted Structures
Posted in Pollution, Remediation Technologies, Green Design & Manufacturing, Briefs, GDM on Friday, June 04 2010
An activated metal treatment system (AMTS) removes and destroys polychlorinated biphenyls (PCBs) found in painted structures or within the binding or caulking material on structures. It may be applied using a “paint-on and wipe-off” process that leaves the structure PCB-free and virtually unaltered in physical form.
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Improving Water Quality With Algae
Posted in Pollution, Remediation Technologies, Green Design & Manufacturing, News, GDM on Thursday, May 13 2010
According to an Agricultural Research Service (ARS) scientist, algae could remove nitrogen and phosphorus in livestock manure runoff - giving resource managers an eco-friendly option for reducing the level of agricultural pollutants that contaminate water quality in the Chesapeake Bay.
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Eco-friendly Nanocatalyst
Posted in Remediation Technologies, Green Design & Manufacturing, Recycling Technologies, Energy Efficiency, Energy, News, GDM on Friday, February 19 2010
A new nanotech catalyst developed by McGill University chemists Chao-Jun Li, Audrey Moores, and their colleagues offers industry an opportunity to reduce the use of expensive and toxic heavy metals. Li describes the new catalyst as, “use a magnet and pull them out!”
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Computer Model Simulates the Impact of White Roofs
Posted in Building Technologies, Climate, Remediation Technologies, Green Design & Manufacturing, News, GDM on Monday, February 01 2010
The first computer modeling study to simulate the impact of white roofs on urban areas worldwide - led by scientists at the National Center for Atmospheric Research (NCAR) in Boulder, CO - suggests there may be merit to the idea of turning roofs white.
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Paper Strips Detect Toxin in Water
Posted in Pollution, Environmental Monitoring, Remediation Technologies, Green Design & Manufacturing, News, GDM on Wednesday, January 20 2010
Engineers at the University of Michigan led the development of a new biosensor - a strip of paper infused with carbon nanotubes - that can quickly and inexpensively detect a toxin produced by algae in drinking water.
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Desalinating Water Using Solar Pond and Membrane Distillation System
Posted in Pollution, Remediation Technologies, Green Design & Manufacturing, Solar Power, Energy Efficiency, Renewable Energy, Energy, News, GDM on Monday, January 11 2010
Ecosystems of terminus lakes around the world could benefit from a system being developed at the University of Nevada, Reno that desalinates water using a specialized low-cost solar pond and patented membrane distillation system powered by renewable energy.
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NASA's Algae Bioreactor Licensed to Algae Systems, LLC
Posted in Alternative Fuels, Remediation Technologies, Green Design & Manufacturing, Greenhouse Gases, Biomass, Solar Power, Energy Efficiency, Renewable Energy, Energy, News, Products, GDM on Thursday, November 19 2009
Earlier this year, NASA introduced an algae photo-bioreactor that grows algae in municipal wastewater to produce biofuel and a variety of other products. The NASA bioreactor is an Offshore Membrane Enclosure for Growing Algae (OMEGA), which won't compete with agriculture for land, fertilizer, or freshwater.
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Microscopic Bubbles Clean Oil from Polluted Water
Posted in Pollution, Remediation Technologies, Green Design & Manufacturing, News, GDM on Monday, November 16 2009
Small amounts of oil leave a fluorescent sheen on polluted water. Oil sheen is hard to remove, even when the water is aerated with ozone or filtered through sand. A University of Utah engineer has developed an inexpensive method to remove oil sheen by repeatedly pressurizing and depressurizing ozone gas - creating tiny bubbles that attack the oil so it can be removed by sand filters.
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Permeable Pavement and Reducing Water Runoff
Posted in Climate, Pollution, Remediation Technologies, Green Design & Manufacturing, News, GDM on Wednesday, October 28 2009
Paved parking lots and driveways often create an easy pathway for pollutants to reach underground water sources and change the natural flow of water back into the ground. Today, EPA announced a study that will investigate ways to reduce pollution that can run off paved surfaces and improve how water filters back into the ground.
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A Natural Clean-Up Technology
Posted in Pollution, Remediation Technologies, Green Design & Manufacturing, News, GDM on Tuesday, September 22 2009
Researchers at North Carolina State University are demonstrating that trees can be used to degrade or capture fuels that leak into soil and ground water. Through a process called phytoremediation, plants and trees remove pollutants from the environment or render them harmless.
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