Bio-inspired membrane captures 90% of CO2 in power plant emissions

May 8, 2018 by  
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Researchers at Sandia National Laboratories have developed a new biologically inspired membrane that can capture carbon dioxide from power plant smoke. Sandia fellow and University of New Mexico regents’ professor Jeff Brinker said, “Our inexpensive method follows nature’s lead in our use of a water-based membrane only 18 nanometers thick that incorporates natural enzymes to capture 90 percent of carbon dioxide released. This is almost 70 percent better than current commercial methods, and it’s done at a fraction of the cost.” Brinker said that, in the past, it has been prohibitively expensive to remove CO2 from coal smoke with available polymer membranes. However, his team’s membrane boasts a “relatively low cost of $40 per ton.” The researchers call the membrane a ‘memzyme’ because it operates like a filter but is near-saturated with carbonic anhydrase, an enzyme “developed by living cells over millions of years to help rid themselves of carbon dioxide efficiently and rapidly.” University of New Mexico professor Ying-Bing Jiang came up with the concept of employing watery membranes, inspired by processes in the human body that separate out CO2. Brinker said the arrangement of the membrane inside the flue of a generating station would be similar to a catalytic converter in a car. Related: 18-year-old invents cheaper CO2 capture tech to fight climate change The work is patented and energy companies have shown interest. In addition, the membranes have worked efficiently for months in laboratory settings. Nature Communications published the work online earlier this month; researchers from other institutions in the United States contributed. + Sandia National Laboratories + Nature Communications Images via Randy Montoya and courtesy of Sandia National Laboratories

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Bio-inspired membrane captures 90% of CO2 in power plant emissions

How can communities finance microgrids for public safety?

August 19, 2015 by  
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Energy resilience is a priority going forward. Fortunately, all the institutions and tools required for financing such projects already exist.

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How can communities finance microgrids for public safety?

The rise of the soil carbon cowboys

August 19, 2015 by  
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Cows, oil, the Tea Party and a true story of regenerating our land while slowing climate change.

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The rise of the soil carbon cowboys

Why it’s time to invest in clean energy in Africa

August 19, 2015 by  
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Private-sector investment in electricity is sitting on the sidelines in Africa. Here’s how we can change that.

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Why it’s time to invest in clean energy in Africa

Islands become clean energy trendsetters

August 19, 2015 by  
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From Hawaii to the Canary Islands, a look at how resource-constrained islands are pioneering new forms of low-carbon energy independence.

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Islands become clean energy trendsetters

11 Ways to Unlock $150B in Energy Efficiency Financing

October 26, 2011 by  
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Energy efficiency financing could grow from $20 billion today to as much as $150 billion, if businesses, banks and other institutions would work together more strategically to unlock funds for green building, a new report from Capital-E says.

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11 Ways to Unlock $150B in Energy Efficiency Financing

Employees Losing Confidence in Companies’ Green Commitments

August 26, 2010 by  
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The monthly Green Confidence Index shows that employers are losing ground among ?major institutions’ green commitments?, while confidence in other institutions is holding steady.

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Employees Losing Confidence in Companies’ Green Commitments

Recovery Act Keeps U.S. on Clean Energy Path

August 26, 2010 by  
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The Recovery Act has kept the country on track to halve the cost of solar power and has helped lay the foundation to double renewable energy generation and renewable equipment manufacturing in the U.S., according to a White House report.

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Recovery Act Keeps U.S. on Clean Energy Path

Climate Corps 2010: Shining a Light on Energy Savings

August 26, 2010 by  
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A little knowledge on lighting goes a long way. EDF Climate Corps fellow Sarah Will has helped REi identify almost $900,000 in potential energy savings, and lighting improvements account for a big chunk of the money. Now she can’t help eyeing commercial lighting wherever she goes and contemplating possible savings.

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Climate Corps 2010: Shining a Light on Energy Savings

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