News tagged with waste

Recycling of nutrients is the key to saving the Earth

Leakages of nutrients necessary for food production – especially nitrogen and phosphorus – cause severe eutrophication to the Earth's aquatic ecosystems and promote climate change. However, this threat also hides an opportunity. ...

Feb 23, 2015
4 / 5 (6) 0

Fresh nuclear leak detected at Fukushima plant

Sensors at the Fukushima nuclear plant have detected a fresh leak of highly radioactive water to the sea, the plant's operator announced Sunday, highlighting difficulties in decommissioning the crippled plant.

Feb 22, 2015
4.8 / 5 (10) 1

A novel solar CPV/CSP hybrid system proposed

In concentrating photovoltaic (CPV) systems only a small part of the incident solar energy can be converted into electricity and the majority of the incident energy is dissipated as waste heat. Although the waste heat could ...

Feb 11, 2015
4.5 / 5 (2) 0

Converting olive mash into cash

An experimental system to create heat and power with waste from olive oil processing is up-and-running in Spain. Carina Lagergren, a researcher from Sweden's KTH Royal Institute of Technology, says the system ...

Jan 26, 2015
5 / 5 (1) 0

When waste water freezes, it is purified

Freezing technology can be utilised in waste water treatment. When waste water freezes, it is purified through the formation of a cleaner layer of ice. The clean layer of ice can be removed from the rest ...

Jan 13, 2015
4 / 5 (7) 0

$57-million pay cut for lab contractor

The contractor managing the nuclear weapons laboratory at Los Alamos, N.M., was slapped with a $57-million reduction in its fees for 2014, largely because of a costly nuclear waste accident last year.

Jan 11, 2015
3.7 / 5 (3) 0