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have demonstrated for the first time that genetically engineered marine algae can be just as capable as fresh water algae in producing industrially relevant products such as enzymes or biofuels. What our research shows is that we can achieve in marine species exactly what we’ve already done in fresh water species.
BP pledged up to $500 million to an open research program studying the impact of the Deepwater Horizon incident, and its associated response, on the marine and shoreline environment of the Gulf of Mexico. How do oil, the dispersed oil and the dispersant behave on the seabed, in the water column, on the surface, and on the shoreline?
physically moving the macroalgae between deep nutrient-rich water at night and shallow depths within the photic zone during the day to optimize growth. 13 C values suggesting that the depth-cycled kelp were not nitrogen-deficient and assimilated nutrients from deep water. The researchers used a depth-cycling approach—i.e.,
A team of researchers led by Loretta Roberson, associate scientist at the Marine Biological Laboratory, Woods Hole, has installed the first seaweed farm in Puerto Rico and US tropical waters. Facilitating research of this nature will be key for the development of sustainable aquaculture in this area. Earlier post.).
(Petrobras) has awarded the joint venture formed by Technip (50%) and DOF (50%) has eight contract covering the construction of four new pipelay support vessels (PLSVs) and operation in Brazilian waters to install flexible pipes. The combined value for Technip is approximately €1.35 billion (US$1.8 Click to enlarge.
Depletion of fresh water reserves [m 3 ]. Eutrophication of non-marine aquatic environments [kg N-eq.]. Eutrophication of non-marine aquatic environments [kg P-eq.]. Land occupation in an urban environment [m 2 / year]. Toxicity of marine aquatic environments [kg 1,4-DC-eq.].
A Northwestern Engineering-led team has developed a highly porous smart sponge that selectively soaks up oil in water. With an ability to absorb more than 30 times its weight in oil, the sponge could be used to clean up oil spills inexpensively and efficiently without harming marine life. —Vikas Nandwana.
The US Department of Energy (DOE) has selected 27 projects for more than $37 million in funding to accelerate the technological and commercial readiness of emerging marine and hydrokinetic (MHK) technologies, which seek to generate renewable electricity from oceans and free-flowing rivers and streams. Resolute Marine Energy, Inc.
From inside the collector, nodules were channeled to the jumper hose and into the riser where they were lifted on compressed air in a 12-minute-trip from seafloor to the Hidden Gem , where the return water was discharged to the midwater column at depth. Nodules on the conveyor.
The US Army Corps of Engineers estimates that, as of 2014, there were approximately 9,000 Category 1 and 2 marine vessels operating on US waters. Starting in 2015, new diesel engines used in marine applications in the United States were required to meet Tier 4 emissions standards. Elena Craft, EDF Senior Director.
Projects will work to reduce the LCOE through multiple approaches, including increasing generation efficiency, increasing rotor area per unit of equivalent mass, lowering operation and maintenance costs, minimizing potential impacts on the surrounding environment, and maximizing system reliability. University of Washington. SRI International.
Marine classification society ABS has issued its first Approval in Principle (AIP) for a new concept renewable energy design in which a moored spar uses ammonia in a closed-cycle process to produce electrical power for a commercial utility grid. ABS reviewed the design for an extended 30-year facility on-station life.
Although it is controversial because of its unclear effects on the environment, it could supply large amounts of the many metals without which, for example, climate policy goals such as the energy transition cannot be realized. The search for raw materials is proving difficult, and unconventional deposits are also coming into the spotlight.
Neste Oil is expanding its algae research ( earlier post ) with the launch of a joint algae research program with the Marine Research Centre at Finnish Environment Institute (SYKE). The program is part of Neste Oil’s efforts aimed at using algae oil as a raw material for producing NExBTL renewable diesel in the future.
Lisa Murkowski (R-Alaska), recently introduced legislation authorizing a study to determine the feasibility of building a deep water port in the Arctic. The two-year study would seek to determine what strategic capabilities a deep water port could provide as well as the best location to site such a facility. —Sen.
Inspired by the Japanese concept of sato-umi —the convergence of land and sea where human and marine life can harmoniously coexist—Honda has established the Honda Marine Science Foundation , a new initiative to address marine ecosystem restoration and the impact of humans and climate change on oceans and intertidal areas.
A study by three French institutes—Ifremer, the University of Bordeaux and the IRD (a public research institution)—has found that the surface water of the Atlantic Ocean is twice as polluted by cellulose fibers as it is by microplastics. This unique set of data casts doubt then over the internal dynamics of the gyre.
Rolls-Royce and Canadian vessel designers Robert Allan have developed the world’s first shallow-water push boat powered by LNG natural gas engines. LNG (liquefied natural gas) is gaining traction in maritime circles, enabling operators to reduce emissions that are harmful to the environment and to the climate.
Through a recent modeling experiment, a team of NASA-funded researchers have found that future concentrations of carbon dioxide and ozone in the atmosphere and of nitrogen in the soil are likely to have an important but overlooked effect on the cycling of water from sky to land to waterways. Credit: NASA. Click to enlarge.
SW/TCH Maritime (SW/TCH), an impact investment platform building the first fleet of zero-emissions maritime vessels in the US, announced its investment to construct and own the ‘Water Go Round’ e-ferry in collaboration with Golden Gate Zero Emission Marine ( GGZEM ), a provider of turn-key hydrogen fuel cell power systems for ships.
Artificial intelligence-designed "robot playground" outdoor obstacle course for testing robots on stairs, rocks, and water, surrounded by motion capture cameras. Robots and robotics for any environment. —Tony Lockwood, technical manager, Autonomous Vehicle Research, Ford Motor Company.
The second ( DTMA-91-R-2013-0009 ) will award up to $500,000 for a comprehensive study on the issues associated with the bunkering (supplying a ship with fuel) of LNG for marine vessels. Of particular interest to MARAD is the use of natural gas (LNG or CNG) as a marine propulsion fuel. Earlier post.). Bunkering study.
Methane hydrate—natural gas trapped in an ice-like cage of water molecules—occurs in both terrestrial and marineenvironments. Methane hydrate is stable under high pressure and low temperatures but separates into gas and water quickly when warmed or depressurized, causing the methane to bubble away.
million to support the design and operation of innovative marine and hydrokinetic (MHK) systems through survivability and reliability-related improvements. Oscilla Power is developing a WEC consisting of a surface float that is tethered to a base suspended in the water.
In a fuel environment, anaerobic conditions prevail whenever heterotrophic microbial respiration consumes oxygen at a rate that exceeds diffusion. The corrosion of pipelines, tanks, storage units, and associated equipment increases the risk of the release of hazardous materials to the environment, with concomitant pollution issues.
Thanks to the expertise of several project partners, HyFlexFuel proved that HTL biocrudes can be successfully upgraded to drop-in fuels in an industrially-relevant environment, achieving hundreds of hours of continuous operations. —Daniele Castello of Aalborg University.
Speaking in Halifax, the Honorable Gary Goodyear, Minister of State (Science and Technology), made the announcement at the launch of the algal biofuel project at the National Research Council Institute for Marine Biosciences (NRC-IMB). The project received its funding through the National Bioproducts Program and NRC-IMB. Dr. O’Leary.
The report estimates that carbon emissions equal to half the annual emissions of the global transport sector are being captured and stored by marine ecosystems such as mangroves, salt marshes and seagrasses. Marine-living organisms range from plankton and bacteria to seagrasses, saltmarsh plants and mangrove forests. Click to enlarge.
Researchers from Nihon University in Japan have reported widespread global contamination of sea sand and sea water with the endocrine disruptor bisphenol A (BPA) and said that the BPA probably originated from a surprising source: hard plastic trash discarded in the oceans and the epoxy plastic paint used to seal the hulls of ships.
The session is expected to culminate in the adoption of a new convention by the 147 states attending the session to reduce mercury emissions and releases to the air, water and land. The 2013 assessment is the most comprehensive to date, and includes information on the release and impacts of mercury in aquatic environments for the first time.
Researchers at the KAIST Graduate School of EEWS (Earth, Environment, Water and Sustainability) in South Korea have demonstrated the direct recovery of methane from massive methane hydrates (MHs), artificial MH-bearing clays, and natural MH-bearing sediments using either CO 2 or a CO 2 /N 2 gas mixture (20?mol?% of CO 2 and 80?mol?%
Green areas indicate waters supersaturated with aragonite carbonate and favoring shell formation, with darker color indicating more favorable conditions. Red areas are those where waters are under-saturated in aragonite and so hostile to shell formation by marine organisms, with darker color indicating greater under-saturation.
New research from Chalmers University of Technology, Sweden, finds that the discharge water from ships’ exhaust gas treatment systems—i.e., For many years, we’ve flagged the fact that scrubbers account for disproportionately large emissions of hazardous and acidifying substances into the marineenvironment.
The midwater plume comprises two stages: (i) the dynamic plume, in which the sediment-laden discharge water rapidly descends and dilutes to a neutral buoyancy depth, and (ii) the subsequent ambient plume that is advected by the ocean current and subject to background turbulence and settling. Earlier post.). Muñoz-Royo, C., Peacock, T.,
The nodule collection system consists of a collector head, jet water pumps and a collection drum, while sensors monitored the entire process. On 20 April 2021, after approximately 50 hrs on the seabed, Patania II was successfully returned to the vessel. They haven’t.
Resource managers now have a method to determine the source of oil found in the waters off Southern California and differentiate between naturally seeped oils and those produced by offshore oil and gas production. The analysis resulted in a predictive model of oil source families that could be applied to samples of unknown origin.
Keppel Offshore & Marine Technology Centre (KOMtech), a design and engineering arm of Keppel Offshore & Marine (Keppel O&M), and ConocoPhillips are jointly designing a first-of-its-kind ice-worthy jackup rig to operate in the Arctic Seas. Keppel O&M has a track record in designing and building rigs for harsh environments.
Members of the Marine Algae Industrialization Consortium (MAGIC), led by Duke University in North Carolina, have published an open-access paper in the journal Oceanography presenting the large-scale industrial cultivation of marine microalgae (ICMM) as an answer to pressing global energy, food and climate security issues. Greene et al.
The partners said that the successful test validates the feasibility and stability of direct seawater electrolysis technology in a real ocean environment. This project was a joint effort by DEC and a research team led by Academician Xie Heping from the Chinese Academy of Engineering. A paper describing the project is published in Nature.
According to the European Environment Agency (EEA), maritime transport is responsible for more than 3% of the total carbon emissions in the European Union. The methanol is mixed with water, then evaporated by applying heat and fed into the preheated reactor, where the mix of methanol and water is converted into hydrogen and CO 2.
Marine BioEnergy, Inc. Part of the gas can also be used to produce the hydrogen (by steam reforming and water-gas shift) needed to upgrade the biocrude via hydrotreating. Oil tankers can be filled with high-value biocrude at the harvesting sites in the open ocean, making the whole process carbon-neutral in the global environment.
This depression is one of the major sites of dense water formation which drives the world’s deep ocean circulation. of the polynya, sea ice production, and deep water formation. It also has important implications for the marine biology of this region.
Furthermore, the process possesses further potential for optimisation, and for its combination with seawater desalination to create innovative designs under the energy-water nexus scheme, which will further improve the process profitability. doi: 10.1039/D1EE00354B.
Plus if we are able to develop this system on a larger scale, the same unit would be able to treat the waste and to remediate the soil and water that has been contaminated. One type of bacteria he is testing is referred to as “electrogenic,” which means that it releases electrons to its environment through metabolic processes.
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