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  2. List of additives used for fracking - Wikipedia

    en.wikipedia.org/wiki/List_of_additives_used_for...

    The differences between additives for fracking in different countries are the type of chemicals used (hazardous, non-hazardous), the disclosure of chemicals and the composition of fracturing fluid. In 2010, Halliburton announced the creation of food additive based hydraulic fracturing fluid in response to calls for transparency and demand for a ...

  3. Fracking proppants - Wikipedia

    en.wikipedia.org/wiki/Fracking_proppants

    In the US, except for diesel-based additive fracturing fluids, noted by the American Environmental Protection Agency to have a higher proportion of volatile organic compounds and carcinogenic BTEX, use of fracturing fluids in hydraulic fracturing operations was explicitly excluded from regulation under the American Clean Water Act in 2005, a ...

  4. File:EERE Fuel Cell Comparison Chart.pdf - Wikipedia

    en.wikipedia.org/wiki/File:EERE_Fuel_Cell...

    English: Department of Energy's Energy Efficiency and Renewable Energy Fuel Cell Technologies Program Fuel cell comparison chart.This shows a summary of the different types of fuel cells.

  5. Fracking - Wikipedia

    en.wikipedia.org/wiki/Fracking

    Hydraulic fracturing [a] is a well stimulation technique involving the fracturing of formations in bedrock by a pressurized liquid. The process involves the high-pressure injection of "fracking fluid" (primarily water, containing sand or other proppants suspended with the aid of thickening agents) into a wellbore to create cracks in the deep rock formations through which natural gas, petroleum ...

  6. List of gasoline additives - Wikipedia

    en.wikipedia.org/wiki/List_of_gasoline_additives

    Fuel additives in the United States are regulated under section 211 of the Clean Air Act (as amended in January 1995). The Environmental Protection Agency (EPA) requires the registration of all fuel additives which are commercially distributed for use in highway motor vehicles in the United States, [8] and may require testing and ban harmful additives.

  7. Waterless fracturing - Wikipedia

    en.wikipedia.org/wiki/Waterless_fracturing

    Waterless fracturing or Non-Aqueous fracturing is an alternative to hydraulic fracturing in which liquefied petroleum gas (LPG) is formed by using non-water fracturing fluid, most commonly by compressing propane gas into a liquid, and mixing it with a gelling agent forming a thick gel.

  8. Afton Chemical - Wikipedia

    en.wikipedia.org/wiki/Afton_Chemical

    Afton Chemical produces fuel additives for gasoline and diesel vehicle performance, octane levels, home heating oil, and fuel specification and distribution. [4] Lubricant Additives. Lubricant additives are organic and synthetic chemical components and the product segment includes couplers, dispersants and emulsifiers, friction modifiers, and ...

  9. Environmental impact of fracking - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    Research has determined that fracking negatively affects human health and drives climate change. [2] [3] [4] Fracking fluids include proppants and other substances, which include chemicals known to be toxic, as well as unknown chemicals that may be toxic. [5] In the United States, such additives may be treated as trade secrets by companies who ...

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