Coal seams preserve continuous and high-resolution records of paleoenvironments wildfire events during peat accumulation. In order to elucidate characteristics terrestrial climate changes the time accumulation, petrographic coals in Lower Cretaceous Yimin Formation (Albian) Jiuqiao Sag, Hailar Basin, NE China were studied. petrology analysis shows that studied coal are characterized by dominant...

This demonstration project was intended to repower an existing plant facility, the Lakeside Station in Springfield, Illinois. A single Integrated Gasification Combined Cycle (IGCC) process train was planned to generate a net output of 60 megawatts. The plant consists of a combined cycle (gas turbine, heat recovery steam generator, steam turbine) power train located in the existing buildings and...

BACKGROUND Coal burning provides 70% of the energy for China's industry and power, but releases large quantities of polycyclic aromatic hydrocarbons (PAHs) and other pollutants. PAHs are reproductive and developmental toxicants, mutagens, and carcinogens. OBJECTIVE We evaluated the benefit to neurobehavioral development from the closure of a coal-fired power plant that was the major local sou...

it the first U.S. purchase by a utility of low-carbon power from a commercial-scale, coal-based power plant with carbon capture. The 400-MW TCEP plant is a first-of-its-kind integrated gasification combined cycle (IGCC) poly-generation facility capable of capturing 90 percent of the carbon dioxide (CO 2) it produces. The $2.4-billion plant was a third round selection under DOE's Clean Coal Powe...

Structurally preserved vascular plants have recently been discovered in calcite petrifactions near the town of Shade, Ohio The florule includes representatives of all of the major groups of Carboniferous-age vascular plants, with members of the Calamitales and Marattiales appearing in the highest percentages. The relationships between the Shade coal-ball plants and other coal-ball floras in Nor...

In order to better understand groundwater influx and protection in coal mining extraction works, an in-house water flow apparatus coupled with an industrial rock testing system, known as MTS 815.02, were used to study the effects of grain size mixtures on the compaction and flow properties of disintegrated, or non-cemented, coal samples. From the Reynolds number evaluation of the samples with d...

We compare the cost of generating electricity with coal and wind in Chile’s Central Interconnected System (SIC). Our estimates include the cost of marginal damages caused by coal plant emissions. On average, we estimate that the levelized cost of coal, including externalities, is $84/MWh. It is efficient to abate emissions of air pollutants (SOx, NOx and PM2.5) but not of CO2. Then the cost wro...

This study investigates the flotation performance of a representative hard coal slime sample (d80 particle size of minus 0.2 mm) obtained from the Prosper-Haniel coal preparation plant located in Bottrop, Germany. Flotation was carried out with a newly designed flotation cell refurbished from an old ultrasonic cleaning bath (2.5 L volume) equipped with a single frequency (35 kHz) and two differ...

Geological Survey had the valued services of America's dean of Carbonifer-ous paleobotany, Dr. David White, in a general reconnaissance of the Upper Coal Measures, now precisely referred to as the Pennsylvanian system. Previous to t h a t time but little work had been done, chiefly by Leo Lesquereux from collections by A. H. Worthen and associates. White's work led to a general correlation of t...