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Keyword: seawater

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  • This Seawater Is 20,000 Years Old, and Has Remained Untouched Since the Last Ice Age

    05/27/2019 5:50:07 AM PDT · by BenLurkin · 38 replies ^ | May 26, 2019 08:57am ET | Brandon Specktor,
    The researchers found their watery prize while drilling sediment core samples out of the underwater limestone deposits that make up the Maldives archipelago in South Asia. After hauling each core onto their research vessel, the team sliced up the rock like a tube of cookie dough and put the pieces into a hydraulic press that squeezed any remnant moisture out of the pores. When the researchers tested the composition of these fresh-pressed water samples aboard their ship, they were surprised to find that the water was extremely salty — far saltier than the Indian Ocean is today. They did more...
  • Egypt Pumps Toxic Gas into Smuggling Tunnel, Killing Two Palestinians

    02/11/2019 4:16:51 AM PST · by Roman_War_Criminal · 51 replies
    Jpost ^ | 2/11/19 | Anna Ahronheim
    Two Palestinians died Monday and several others injured after Egyptian troops pumped toxic fumes into a smuggling tunnel stretching into the Sinai Peninsula from the Gaza Strip. The Hamas-run Gaza Interior Ministry was quoted by Wafa news as identifying the two as 39-year-old Hamas officer Abdul Hamid al-Aker, who was killed during a “security mission to inspect the tunnel,” and 28-year-old Sobhi Abu Qarshin. Abu Qarshin was said to have died during a rescue attempt. Several other security personnel were rescued by civil defense teams from inside the tunnel and were rushed to hospital, where they were described as being...
  • Korea claims superior way of distilling seawater

    06/26/2018 6:37:10 PM PDT · by 2ndDivisionVet · 27 replies
    Korea JoongAng Daily ^ | June 27, 2018 | Lee Ho-Jeong and Lee Sang-Jai
    The Korea Institute of Civil Engineering and Building Technology Tuesday announced that it has developed the world’s first next generation seawater distillation technology that allows consumable water to be produced in low temperatures and under low pressure, which increases energy efficiency and production capacity. Additionally, the institution has set up the world’s largest seawater distillation plant. According to the institution, it developed a membrane distillation that only allows vapor to pass through while keeping the liquids contained. The vapor is compressed to create a liquid that can be consumed or used for industrial purposes such as irrigation by removing salt...
  • Ultra-thin carbon nanotubes can separate salt from seawater

    08/29/2017 7:24:07 AM PDT · by BenLurkin · 34 replies
    the hindu ^ | 8/28/2017
    Scientists, including those from Northeastern University in the U.S., developed carbon nanotube pores that can exclude salt from seawater. The team found that water permeability in carbon nanotubes (CNTs) with diameters of 0.8 nanometre significantly exceeds that of wider carbon nanotubes. The nanotubes, hollow structures made of carbon atoms in a unique arrangement, are more than 50,000 times thinner than a human hair. The super smooth inner surface of the nanotube is responsible for their remarkably high water permeability, while the tiny pore size blocks larger salt ions. “We found that carbon nanotubes with diameters smaller than a nanometre bear...
  • Israeli water desalination unit makes a worldwide hit

    07/11/2017 3:35:17 PM PDT · by Eleutheria5 · 20 replies
    Arutz Sheva ^ | 11/7/17
    Prime Minister Narendra Modi along with his Israeli counterpart Benjamin Netanyahu on Thursday witnessed the demonstration of sea water purification technology pioneered by Israel at a water desalination unit on Olga Beach in Haifa. Gal-Mobile is an independent, integrated water purification vehicle, designed to produce high-quality drinking water. It can be useful in natural disasters like floods, earthquakes, military use in difficult terrain and rural areas to provide drinkable water, the Indian Prime Minister’s Office said. “It can purify up to 20,000 litres per day of sea water and 80,000 litres per day of brackish/muddy or contaminated river water and...
  • Can making seawater drinkable quench the world's thirst?

    10/13/2015 6:36:11 AM PDT · by moose07 · 26 replies
    BBC ^ | 13 October 2015 | By Padraig Belton
    Producing fresh drinking water from the sea - desalination - has always seemed to be the most obvious answer to water shortages.Our oceans cover more than 70% of the earth's surface and contain 97% of its water. But the energy needed to achieve this seemingly simple process has been costly. Now, thanks to new technologies, costs have been halved and huge desalination plants are opening around the world.The largest seawater desalination plant ever, Israel's Sorek plant near Tel Aviv, just ramped up to full production. It will make 624 million litres of drinkable water daily, and sell 1,000 litres -...
  • Engineers purify sea and wastewater in 2.5 minutes

    07/11/2015 12:14:15 PM PDT · by SeekAndFind · 29 replies
    PHYS.ORG ^ | 4/17/2015
    A group of Mexican engineers from the Jhostoblak Corporate created technology to recover and purify seawater or wastewater from households, hotels, hospitals, commercial and industrial facilities, regardless of the content of pollutants and microorganisms in just 2.5 minutes. The system, PQUA, works with a mixture of dissociating elements, capable of separating and removing all contaminants, as well as organic and inorganic pollutants. "The methodology is founded on molecularly dissociating water pollutants to recover the minerals necessary and sufficient in order for the human body to function properly nourished," the researchers explained.Notably, the engineers developed eight dissociating elements, and after extensive...
  • Scientists Are Exploring Whether We Can Save the Climate by Pumping the Air Full of Seawater (UK)

    12/25/2014 3:41:31 PM PST · by Libloather · 98 replies
    Citylab ^ | 12/17/14 | John Metcalfe
    Battling a big problem like climate change will require big ideas. And scientists in the U.K. have one of the biggest: take ocean water, shoot it up into the atmosphere, and let the resulting clouds cool the earth like a massive, wet blanket. Granted, these folks are not the first to float this incredible-sounding strategy, known as "marine-cloud brightening." In one example, the physicist John Latham wrote in 1990 that the life of clouds might be prolonged by artificially increasing their "droplet concentration." These thicker clouds would reflect more of the sun's radiation away from the planet, in theory allowing...
  • Navy develops fuel from seawater (video)

    04/23/2014 7:08:44 AM PDT · by thackney · 46 replies
    Fuel Fix ^ | April 22, 2014 | Simone Sebastian
    Navy researchers say they have turned seawater into fuel that could power military vehicles for less than $6 per gallon. The researchers announced this month that the seawater-based fuel successfully powered a remote-controlled model jet with a standard two-stroke internal combustion engine. Carbon dioxide and hydrogen gas extracted from Gulf of Mexico water were converted into liquid hydrocarbon fuel using gas-to-liquid technology. The renewable fuel mirrors its petroleum-based counterpart and could be used in standard military engines. “The potential payoff is the ability to produce JP-5 fuel stock at sea, reducing the logistics tail on fuel delivery with no environmental...
  • US Navy 'Game-Changer': Converting Seawater into Fuel

    04/07/2014 6:48:56 PM PDT · by Leaning Right · 32 replies
    Industry Week ^ | Apr 7, 2014 | Agence France-Presse
    The U.S. Navy believes it has finally worked out the solution to a problem that has intrigued scientists for decades: how to take seawater and use it as fuel.
  • Japan: Cesium-137 flow into sea 30 times greater than stated by TEPCO: report

    10/31/2011 2:53:36 AM PDT · by TigerLikesRooster · 14 replies
    Cesium-137 flow into sea 30 times greater than stated by TEPCO: report PARIS (Kyodo) -- The amount of radioactive cesium-137 that flowed into the Pacific after the start of Japan's nuclear crisis was probably nearly 30 times the amount stated by Tokyo Electric Power Co. in May, according to a recent report by a French research institute. The Institute for Radiological Protection and Nuclear Safety said the amount of the isotope that flowed into the ocean from the Fukushima Daiichi nuclear plant between March 21 and mid-July reached an estimated 27.1 quadrillion becquerels. A quadrillion is equivalent to 1,000 trillion....
  • Japan:Kan halted seawater injection/Operations stopped for 55 minutes over fears of 're-criticality'

    05/21/2011 6:26:22 PM PDT · by TigerLikesRooster · 5 replies
    Kan halted seawater injection / Operations stopped for 55 minutes over fears of 're-criticality' The Yomiuri Shimbun The injection of seawater into the No. 1 reactor at the Fukushima No. 1 nuclear power plant was stopped for nearly an hour soon after the Great East Japan Earthquake, at Prime Minister Naoto Kan's request, government sources have revealed. The prime minister feared that injecting seawater might cause re-criticality to occur inside the reactor, the sources said. Criticality refers to a self-sustaining chain reaction of nuclear fission in uranium atoms. Re-criticality is when a system achieves criticality despite mechanisms being in place...
  • Japan:Fukushima seawater radioactivity rises inside containment fence

    04/16/2011 3:13:57 PM PDT · by TigerLikesRooster · 4 replies
    Kyodo News ^ | 04/16/11
    Fukushima seawater radioactivity rises inside containment fence TOKYO, April 16, Kyodo The level of radioactive substances in seawater increased sharply overnight inside a containment fence installed near the Fukushima Daiichi nuclear power plant, the operator Tokyo Electric Power Co. said Saturday. /snip Meanwhile, the utility is considering installing circulating water cooling systems for reactors and spent fuel storage pools outside the reactor buildings at the plant in a bid to bring it under control, sources familiar with the matter said. The new systems would cool nuclear fuel inside the reactors and spent fuel pools in a stable manner. They would...
  • Japan: Tepco Continues Desperate Struggle To Block Contamination(cesium abosorbig zeolite)

    04/15/2011 8:28:02 PM PDT · by TigerLikesRooster · 20 replies
    Nikkei ^ | 04/16/11
    Saturday, April 16, 2011 Tepco Continues Desperate Struggle To Block Contamination TOKYO (Nikkei)--With its crippled reactors showing no signs of stabilizing, Tokyo Electric Power Co. (9501) is employing a host of measures to minimize contamination from radioactive water released from the Fukushima Daiichi nuclear power plant. The utility on Friday deposited 30 sandbags, each filled with 10kg of zeolite, in the ocean near the water intakes of the No. 2 and No. 3 reactors. The mineral is said to be effective in absorbing radioactive cesium. Tepco also set up several silt curtains near the intakes to filter out pollutants, and...
  • TEPCO Begins Building Steel Wall, Fence To Prevent Sea Contamination

    04/09/2011 8:27:56 AM PDT · by TigerLikesRooster · 6 replies
    Nikkei ^ | 04/09/11
    Saturday, April 9, 2011 TEPCO Begins Building Steel Wall, Fence To Prevent Sea Contamination TOKYO (Kyodo)--The operator of a crippled Fukushima nuclear power station started Saturday to install a steel wall and fence to prevent more water containing radioactive substances from seeping into the Pacific Ocean.
  • Japan: Crack in concrete called source of radioactive water leaking into sea(8 inch crack)

    04/02/2011 12:57:12 AM PDT · by TigerLikesRooster · 76 replies
    CNN ^ | 04/02/11
    Crack in concrete called source of radioactive water leaking into sea By the CNN Wire Staff April 2, 2011 -- Updated 0719 GMT (1519 HKT) Tokyo (CNN) -- Highly radioactive water from Japan's crippled Fukushima Daiichi nuclear power plant is leaking into the Pacific Ocean from a cracked concrete sump near the No. 2 reactor, an official with the plant's owner said Saturday. Water from the two-meter deep, concrete-lined basin could be seen escaping into the sea through a roughly 20-cm (8-inch) crack, an official the Tokyo Electric Power Company told reporters Saturday afternoon. But the company could not explain...
  • Japan: Radioiodine 4,385 Times Limit Found in Seawater near N-Plant

    03/31/2011 1:09:04 AM PDT · by TigerLikesRooster · 22 replies
    Jiji Press ^ | 03/31/11
    Radioiodine 4,385 Times Limit Found in Seawater near N-Plant Tokyo, March 31 (Jiji Press)--Radioactive iodine 4,385 times the legal limit has been detected in seawater near the troubled Fukushima No. 1 nuclear power plant, the industry ministry's Nuclear and Industrial Safety Agency said Thursday. Some 180 becquerels of iodine-131 per cubic centimeter were found in a seawater sample collected on Wednesday afternoon 330 meters off the discharge outlet of the No. 1 to 4 reactors of the plant in Fukushima Prefecture, northeastern Japan, the agency said. The reading was higher than 3,355 times the limit of the radioactive material found...
  • State to power plants: stop sucking in seawater

    05/05/2010 5:26:46 PM PDT · by NormsRevenge · 24 replies · 660+ views
    OC Register ^ | 5/4/10 | Pat Brennan
    Tough new rules imposed by the State Water Board Tuesday would force 19 coastal power plants to begin phasing out their reliance on ocean-water cooling systems — raising the specter of giant towers erected along I-5 to cool the San Onofre nuclear plant. San Onofre and the other plants, including the AES plant in Huntington Beach, were given deadlines to make technological updates to their cooling system by the Water Board, which voted to approve the new rules late Tuesday. The deadlines are years away — for San Onofre, it’s 2022. The new rules could force many plants to switch...
  • Antarctic sea water shows 'no sign' of warming

    01/12/2010 10:06:41 AM PST · by Signalman · 3 replies · 483+ views
    The Australian ^ | 1/12/2009 | Correspondents in Oslo
    SEA water under an East Antarctic ice shelf showed no sign of higher temperatures despite fears of a thaw linked to global warming that could bring higher world ocean levels, first tests showed yesterday. Sensors lowered through three holes drilled in the Fimbul Ice Shelf showed the sea water is still around freezing and not at higher temperatures widely blamed for the break-up of 10 shelves on the Antarctic Peninsula, the most northerly part of the frozen continent in West Antarctica. "The water under the ice shelf is very close to the freezing point," Ole Anders Noest of the Norwegian...
  • Watering Tomato Plants With Diluted Seawater Boosts Levels Of Antioxidants

    04/29/2008 1:04:35 PM PDT · by blam · 32 replies · 252+ views
    Science Daily ^ | 4-29-2008 | American Chemical Society
    Watering Tomato Plants With Diluted Seawater Boosts Levels Of AntioxidantsWatering tomato plants with diluted seawater boosts levels of antioxidants, scientists report. (Credit: Courtesy of ScienceDaily (Apr. 29, 2008) — Watering tomatoes with diluted seawater can boost their content of disease-fighting antioxidants and may lead to healthier salads, appetizers, and other tomato-based foods, scientists in Italy report. Besides their use in a variety of ethnic food dishes, tomatoes are one of the most commonly grown home garden vegetables, particularly cherry tomatoes. Scientists have linked tomatoes to several health benefits, including protection against prostate cancer and heart disease. Researchers have known...