Indications of Transformation Products from Hydraulic Fracturing Additives in Shale-Gas Wastewater

Microbial communities in flowback water impoundments from hydraulic fracturing for recovery of shale gas.

Hydraulic fracturing for natural gas extraction from shale produces waste brine known as flowback that is impounded at the surface prior to reuse and/or disposal. During impoundment, microbial activity can alter the fate of metals including radionuclides, give rise to odorous compounds, and result in biocorrosion that complicates water and waste management and increases production costs. Here, ...

Selective oxidation of bromide in wastewater brines from hydraulic fracturing.

Brines generated from oil and natural gas production, including flowback water and produced water from hydraulic fracturing of shale gas, may contain elevated concentrations of bromide (~1 g/L). Bromide is a broad concern due to the potential for forming brominated disinfection byproducts (DBPs) during drinking water treatment. Conventional treatment processes for bromide removal is costly and ...

Regulation of Hydraulic Fracturing of Shale Gas Formations in the United States

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Numerical analysis of fracture propagation during hydraulic fracturing operations in shale gas systems

A Public Health Review of High Volume Hydraulic Fracturing for Shale Gas Development

Engineering estimates of methane emissions from natural gas production have ledto varied projections of national emissions. This work reports direct measurements