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Study finds methane emissions from coal mines ~50% higher than previously thought

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The amount of methane released into the atmosphere as a result of coal mining is likely approximately 50% higher than previously estimated, according to research presented at the recent annual meeting of the American Geophysical Union. The authors point out that less coal production doesn’t translate to less methane.

Coal 321
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Lawrence Livermore publishes state-by-state energy/water Sankey diagrams

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For the first time, Lawrence Livermore National Laboratory (LLNL) has published state-by-state energy and water Sankey diagrams in one location so that analysts and policymakers can find all the information they need in one place. General location of energy and water categories. Energy and water generally “flows” from left to right.

Water 231
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New catalyst opens door to CO2 capture in coal-to-liquids process

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World energy consumption projections expect coal to stay one of the world’s main energy sources in the coming decades, and a growing share of it will be used in CT—the conversion of coal to liquid fuels (CTL). By 2020, CTL is expected to account for 15% of the coal use in China. —Wang et al.

Coal 249
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Ignite Energy Resources and TRUenergy Plan Direct Coal-to-Liquids and Coal Drying Demo Project for Supercritical Water Technology

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Ignite Energy Resources supercritical water process diagram. IER’s proprietary supercritical water technology (SCW) transforms low-ranked coals, including lignite, directly into higher-valued oils and cleaner coal products. tonnes of high-ranked coal. tonnes of high-ranked coal. Source: IER.

Coal 150
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Study finds high sodium bicarbonate concentrations in water from coal-bed natural gas production harms aquatic life; water treatment can mitigate effects

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Produced water from coal-bed natural gas (CBNG) production may contain sodium bicarbonate (NaHCO 3 ) at concentrations that can harm aquatic life, according to a new study by the US Geological Survey; Montana Fish, Wildlife and Parks; the Bureau of Land Management and the US Environmental Protection Agency.

Sodium 218
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CSIRO and partners to test Direct Injection Carbon Engine to reduce brown coal emissions by up to 50%

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DICE involves converting coal or biomass into a water-based slurry (called micronised refined carbon, MRC) that is directly injected into a large, specially adapted diesel engine. The project is supported by industry partners including Exergen, Ignite Energy Resources, AGL, MAN Diesel & Turbo and EnergyAustralia.

Coal 257
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Argonne Oleo Sponge for cleaning oil spills successful in real-world conditions off California coast

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The Oleo Sponge, a patent-pending technology to clean oil spills invented at the US Department of Energy’s (DOE) Argonne National Laboratory, performed successfully in an experiment conducted off the coast of Southern California. After the oil is wrung out, Oleo Sponge can be used again.

Oil 170