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12 Current news about the topic hydrogen sulfide

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On the road to conductors of the future

Superconductivity in hydrogen sulfide

16-Sep-2020

Superconducting wires can transport electricity without loss. This would allow for less power production, reducing both costs and greenhouse gasses. Unfortunately, extensive cooling stands in the way, because existing superconductors only lose their resistance at extremely low temperatures. In ...

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Sweet or Sour Natural Gas

Polyimide membranes for the purification of natural gas

26-Jun-2020

Natural gas that contains larger amounts of hydrogen sulfide (H2S) and carbon dioxide (CO2) is termed sour gas. Before it can enter a pipeline, it must be “sweetened” by removal of its acidic impurities. Through fine tuning of the ratios of two molecular components, it is possible to produce ...

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Crystals that clean natural gas

31-Oct-2018

Removing the troublesome impurities of hydrogen sulfide (H2S) and carbon dioxide (CO2) from natural gas could become simpler and more effective using a metal-organic framework (MOF) developed at KAUST. Upgrading natural gas in this way could help Saudi Arabia to make greater and cleaner use of ...

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Novel corkscrew-laser technique can send molecules spinning rapidly about a selected axis

Modified optical centrifuge has potential to open up new ways for the study of superrotors

16-Oct-2018

Using corkscrew-shaped laser pulses, scientists at DESY have devised a sophisticated optical centrifuge that can make molecules rotate rapidly about a desired molecular axis. The innovative method opens up new ways to control and study super fast spinning molecules, called superrotors. Until now, ...

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A potentially cheap, efficient and eco-friendly system for purifying natural gas

08-May-2018

Fundamental researchers at the Colorado School of Mines have proposed a novel two-part system for separating impurities from natural gas. Natural gas primarily contains methane, but impurities in the gaseous mixture need to be removed before the methane can be put into the pipeline. The newly ...

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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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Cold conversion of food waste into renewable energy and fertilizer

02-Jun-2017

Researchers from Concordia's Department of Building, Civil and Environmental Engineering (BCEE) in collaboration with Bio-Terre Systems Inc. are taking the fight against global warming to colder climes. Their weapon of choice? Cold-loving bacteria. In a study authors Rajinikanth Rajagopal, David ...

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From moo to goo

Cooperating microbes convert methane to alternative fuel source

13-Apr-2017

Oil and gas wells and even cattle release methane gas into the atmosphere, and researchers are working on ways to not only capture this gas but also convert it into something useful and less-polluting. Now scientists at the Department of Energy's Pacific Northwest National Laboratory have ...

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New class of hydrogen sulfide donor molecules created

03-Jan-2017

Molecules with the potential to deliver healing power to stressed cells - such as those involved in heart attacks - have been created by University of Oregon researchers. The research - done at a cellular level in the lab and far from medical reality - involves the design of organic molecules ...

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Sweet technique finds cause of sour oil and gas

Rice University engineers develop method to ID cause of sour hydrocarbons in wells

07-Apr-2016

In at least one -- and probably many -- oil and gas drilling operations, the use of biocides to prevent the souring of hydrocarbons wastes money and creates an unnecessary environmental burden, according to researchers at Rice University. The Rice lab of environmental engineer Pedro Alvarez ...

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