(PDF) Extraction of selected rare earth elements from …

Extraction of selected rare earth elements from anthracite acid mine drainage using supercritical CO2 via coagulation and complexation. Harold Schobert. 2020, Journal of …

SIC Code 1231

SIC Code 1231: Producing anthracite or in developing anthracite mines. All establishments in the United States that are classified in this industry

Extraction of selected rare earth elements from anthracite …

An extraction process was developed and demonstrated for two of those water sources containing the highest concentration of REEs. A method involving metal …

Long | The Afterlife of Extraction in the Coal Region: An …

The Anthracite is a region living in the shadow of industrial collapse. Historically, it was a place destined to be inseparable, culturally and psychically, from exploitative, industrial coal extraction.

SIC Codes for mining

Establishments primarily engaged in producing anthracite or in developing anthracite mines. All establishments in the United States that are classified in this industry are located in …

Separation of aluminum and silica from coal gangue by …

Highlights. •. High-temperature direct acid leaching is highly effective for separating metal ions and silica in coal gangue. •. An increase in temperature …

SIC Division: B Mining | NAICS Association

This division includes all establishments primarily engaged in mining. The term mining is used in the broad sense to include the extraction of minerals occurring naturally: solids, …

extraction d anthracite sic

In this paper, the DIMPACT parameter extraction results are demonstrated for a 45 V, 15 A Si Schottky diode, a 600 V, 200 A Si PiN diode, a 10 kV, 5 A SiC JBS diode, and a 10 …

We Dig: 200 Years of Extraction in the Anthracite …

In this essay I examine three images that document 200 years of digging for coal in one Pennsylvania location. Historical documents serve an important function by transmitting images of past-place into the …

SIC 123

This major group includes establishments primarily engaged in producing bituminous coal, anthracite, and lignite. Included are mining operations and preparation plants (also …