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Thu01292015

A.D.B. extends $100 million loan for India’s solar power projects

A.D.B. extends $100 million loan for India’s solar power projects

The Asian Development Bank is extending loans of up to $100 million to aid in pr...

Nebraska Supreme Court, House of Representatives supporting proposed Keystone pipeline route

Nebraska Supreme Court, House of Representatives supporting proposed Keystone pipeline route

Despite misgivings from the public and the White House, proponents of the Keysto...

Obama will not sign Keystone Pipeline bill

Obama will not sign Keystone Pipeline bill

President Barack Obama will not sign the Keystone Pipeline bill, saying that it ...

Senvion completes offshore wind farm over Christmas

Senvion completes offshore wind farm over Christmas

Senvion completed the installation of wind turbines for the Nordsee Ost offshore...

Vestas to supply wind turbines in Greece and Chile

Vestas to supply wind turbines in Greece and Chile

Danish wind turbine manufacturer Vestas ended 2014 with two supply contracts: on...

U.N. chief hails results of C.O.P. 20

U.N. chief hails results of C.O.P. 20

United Nations Secretary-General Ban Ki-moon hailed the results of the recently ...

Manufacturer’s perspective on the new U.S. emissions reduction target

Manufacturer’s perspective on the new U.S. emissions reduction target

The United States manufacturing sector may be opting for a more diversified way ...


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Business

Technology

Advantage of green cloud computing

Advantage of green cloud computing

Tuesday, 13 January 2015

Green computing is the usage of computing resources in an energy- and resource-efficient manner. Part of it is using computers that have been Energy S...

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Politics

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Living Green

How to green clean copper sinks

How to green clean copper sinks

Tuesday, 27 January 2015

Copper sinks are all the rage these days and it's easy to see why-they're gorgeous! My husband loves copper anything and likes when it weathers natura...

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Renewables

Hereford Wind Project in Texas begins commercial operations

Hereford Wind Project in Texas begins commercial operations

Wednesday, 28 January 2015

The 200-megawatt Hereford Wind Project in Texas has achieved commercial operation. EDF Renewable Energy, which purchased shares of the project in 2013...

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Low-Carbon

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Opinion

Unsustainable urban life: What's next?

Unsustainable urban life: What's next?

Wednesday, 11 June 2014

Nutrition plays a critical role in everyone’s chance at a better future. Hunger, said Benjamin Franklin once, is the best pickle. Some say “pickle”...

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Agency promotes use of nuclear plants in hydrogen production

There is an existing structure for the large-scale production of hydrogen which remains largely untapped according to the International Atomic Energy Agency – nuclear power plants.

According to Ibrahim Khamis, Ph.D., a scientist from the International Atomic Energy Agency, heat from existing nuclear plants could be ideal sites for hydrogen production because of a product which they produce in abundance – steam.

On small scales, hydrogen power comes from a process called electrolysis, where an electric current flowing through water splits the H2O molecules into hydrogen and oxygen.

This process is more efficient and less expensive if water is first heated to form steam, with the electric current passed through the steam.

Mr. Khamis said nuclear power plants are ideal for hydrogen production because they already produce the heat for changing water into steam and the electricity for breaking the steam down into hydrogen and oxygen.

"Hydrogen production using nuclear energy could reduce dependence on oil for fueling motor vehicles and the use of coal for generating electricity. In doing so, hydrogen could have a beneficial impact on global warming, since burning hydrogen releases only water vapor and no carbon dioxide, the main greenhouse gas. There is a dramatic reduction in pollution," Mr. Khamis said.

Together with other scientists and economists at the agency, Mr. Khamis is trying to determine how current nuclear power reactors – 435 are operational worldwide – and future nuclear power reactors could be enlisted in hydrogen production.

One possibility seen by experts is a system of generating hydrogen using low-temperature electrolysis while taking advantage of low electricity prices during the nuclear power plant's off-peak hours.

Future plants, now designed specifically for hydrogen production, would use a more efficient high-temperature electrolysis process or would be coupled to thermochemical processes currently being studied.

"Nuclear hydrogen from electrolysis of water or steam is a reality now, yet the economics needs to be improved," said Mr. Khamis.

He noted that some countries are considering construction of new nuclear plants with high-temperature steam electrolysis stations that would allow them to generate hydrogen gas on a large scale in anticipation of growing economic opportunities. – EcoSeed Staff



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