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48 Current news about the topic corrosion

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Combating sulphuric acid corrosion at wastewater plants

Microbial induced concrete corrosion causes massive damage to wastewater plants

26-Feb-2018

Wastewater systems are integral to infrastructure in every community. In an ideal world, they operate smoothly and are long-lasting. But biogenic transformation processes in sewage and water treatment systems are a “natural enemy” of conventional plants, frequently causing damage to concrete and ...

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Atomic Design by Water

How geometric structures at surfaces can be formed with atomic precision by water

26-Feb-2018

A central element in such diverse technological problems as corrosion protection, battery materials or hydrogen production via electrolysis or fuel cells is the contact between two conducting elements – the electrolyte and the solid electrode at which a voltage is applied. Despite its importance ...

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Paints and varnishes based on potato starch

Metal coating based on renewable raw materials

03-Jan-2018

If a surface has to be protected against corrosion, in 80 percent of all cases this takes place through coating it with paints or varnishes. When doing so, the proportion of bio-based, environmentally-friendly solutions is extremely small. Researchers at the Fraunhofer Institute for Applied ...

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Reducing power plants' freshwater consumption with new silica filters

20-Oct-2017

Power plants draw more freshwater than any other consumer in the United States, accounting for more than 50 percent of the nation's freshwater use at about 500 billion gallons daily. To help save this water, researchers at Sandia National Laboratories have developed a new silica filter for power ...

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Corrosion in real time

18-Sep-2017

What affects almost everything made of metal, from cars to boats to underground pipes and even the fillings in your teeth? Corrosion -- a slow process of decay. At a global cost of trillions of dollars annually, it carries a steep price tag, not to mention, the potential safety, environmental and ...

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'Rubber material' that could lead to scratch-proof paint for car

12-Sep-2017

Led by Dr Elton Santos from the University's School of Mathematics and Physics, an international team of researchers have found superlubricity in a few layers of graphene - a concept where friction vanishes or very nearly vanishes. The experts also found that a few layers of hexagonal boron ...

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Environmentally friendly alternative to prohibited hard chrome plating using chromium(VI)

16-Aug-2017

The strict conditions on the use of chromium(VI) for corrosion and wear protection coatings, which will take effect in the EU in September 2017, hit the manufacturers of highly stressed metal components particularly hard. One such company is IHC Vremac Cylinders B.V. in the Dutch city of ...

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How seawater strengthens ancient Roman concrete

05-Jul-2017

Around A.D. 79, Roman author Pliny the Elder wrote in his Naturalis Historia that concrete structures in harbors, exposed to the constant assault of the saltwater waves, become "a single stone mass, impregnable to the waves and every day stronger." He wasn't exaggerating. While modern marine ...

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New approach improves ability to predict metals' reactions with water

20-Jun-2017

The wide reach of corrosion, a multitrillion-dollar global problem, may someday be narrowed considerably thanks to a new, better approach to predict how metals react with water. Researchers at Oregon State University and the University of California, Berkeley, have developed a new computational ...

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How soil bacteria can protect against corrosion in steel

08-Jun-2017

A Swansea University researcher, Alex Harold, has beaten over 5000 applicants to win an international award for her work using proteins derived from soil bacteria to develop a new anti-corrosion coating for steel. Organised by Tata Group, the Tata Innovista competition highlights and rewards ...

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