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Category: Petroleum and Gas

Barium ruthenate: A high-yield, easy-to-handle perovskite catalyst for the oxidation of sulfides: – –

Researchers at Tokyo Institute of Technology have developed a ruthenium-based perovskite catalyst[1] that shows strong activity even at low temperatures (down to 313 K). The reusable catalyst does not require additives, meaning that it can prevent the formation of toxic by-products. The oxidation of sulfides is a commercially important process with broad applications ranging from chemicals production to environmental management. A research group led by Keigo Kamata and Michikazu Hara of Tokyo Institute of Technology (Tokyo Tech) has succeeded in…

Printing a house from a novel peat material

After determining the humic and fulvic acid content in peat and conducting the XRD analysis of elements and minerals, the possible test mixtures were modeled and small test pieces printed. On the photo, Toomas Tenno is showing these test pieces. Credit: Merilyn Merisalu Scientists from the University of Tartu and the Estonian University of Life Sciences have created a construction material consisting primarily of peat and oil shale ash that could reduce the construction costs of a private house nearly…

Pulsed electric field technology offers new potential for food processing

French fries derived from a potato processed through this new Pulsed Electric Field (PEF) processing machine are healthier for people to eat. Credit: University of Otago University of Otago researchers are demonstrating the potential of a new technology which could see New Zealand production of a popular food – the French fry – become healthier, and less costly and wasteful. Recently arrived pulsed electric field (PEF) processing equipment will be put to test for large scale French fry production over…

Migrating Messenger storage to optimize performance – Facebook Code

More than a billion people now use Facebook Messenger to instantly share text, photos, video, and more. As we have evolved the product and added new functionality, the underlying technologies that power Messenger have changed substantially. When Messenger was originally designed, it was primarily intended to be a direct messaging product similar to email, with messages waiting in your inbox the next time you visited the site. Today, Messenger is a mobile-first, real-time communications system used by businesses as well…

Navy developing ship coatings to reduce fuel, energy costs — ScienceDaily

It can repel water, oil, alcohol and even peanut butter. And it might save the U.S. Navy millions of dollars in ship fuel costs, reduce the amount of energy that vessels consume and improve operational efficiency. The Office of Naval Research (ONR) is sponsoring work by Dr. Anish Tuteja, an associate professor of materials science and engineering at the University of Michigan, to develop a new type of “omniphobic” coating. This chemical coating is clear, durable, can be applied to…

A promising new material has the right properties to capture solar energy and split water into hydrogen and oxygen — ScienceDaily

Solar energy is clean and abundant. But when the sun isn’t shining, you must store the energy in batteries or through a process called photocatalysis — in which solar energy is used to make fuels. In photocatalytic water splitting, sunlight separates water into hydrogen and oxygen. The hydrogen and oxygen can then be recombined in a fuel cell to release energy. Now, a new class of materials — halide double perovskites — may have just the right properties to split…

The End of Video Coding? – Netflix TechBlog – Medium

In the IEEE Signal Processing Magazine issue November 2006 article “Future of Video Coding and Transmission” Prof. Edward Delp started by asking the panelists “Is video coding dead? Some feel that, with the higher coding efficiency of the H.264/MPEG-4 . . . perhaps there is not much more to do. I must admit that I have heard this compression is dead argument at least four times since I started working in image and video coding in 1976.” People were postulating that video coding…

Electrons take one step forward without two steps back — ScienceDaily

Researchers at the University of California, Riverside, have, for the first time, successfully used electric dipoles to completely suppress electron transfer in one direction while accelerating in the other. The discovery could aid development of improved solar cells and other energy-conversion devices and hasten the design of new and superb energy and electronic materials. It is not a stretch to say that life depends on strictly regulated electron transfer. Electron transfer is among the most fundamental processes for sustaining life…

E. coli tailored to convert plants into renewable chemicals — ScienceDaily

What does jet fuel have in common with pantyhose and plastic soda bottles? They’re all products currently derived from petroleum. Sandia National Laboratories scientists have demonstrated a new technology based on bioengineered bacteria that could make it economically feasible to produce all three from renewable plant sources. Economically and efficiently converting tough plant matter, called lignin, has long been a stumbling block for wider use of the energy source and making it cost competitive. Piecing together mechanisms from other known…

Ultrasound scans for damage to concrete bridges

Credit: Phillipe Olivier The concrete Pantheon in Rome is in excellent condition after 2,000 years. Steel reinforcement can dramatically reduce lifespan of concrete structures however and deterioration can begin after only 10 years. Infrastructures such as bridges and roads are usually reinforced concrete, which need continuous monitoring for regular operation and safety. Large concrete structures pose various challenges mainly due to the wide range of aggregates, fragments compacted together, in the material. ‘On a roll’—non-destructive testing (NDT using ultrasound…