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  2. Natural-gas processing - Wikipedia

    en.wikipedia.org/wiki/Natural-gas_processing

    A natural-gas processing plant in Aderklaa, Austria. Natural-gas processing is a range of industrial processes designed to purify raw natural gas by removing contaminants such as solids, water, carbon dioxide (CO 2), hydrogen sulfide (H 2 S), mercury and higher molecular mass hydrocarbons to produce pipeline quality dry natural gas [1] for pipeline distribution and final use. [2]

  3. Liquid nitrogen wash - Wikipedia

    en.wikipedia.org/wiki/Liquid_nitrogen_wash

    The liquid nitrogen wash has two principle functions: [1] Removal of impurities such as carbon monoxide, argon and methane from the crude hydrogen gas; Addition of the required stoichiometric amount of nitrogen to the hydrogen stream to achieve the correct ammonia synthesis gas ratio of hydrogen to nitrogen of 3 : 1

  4. Nitrogen rejection unit - Wikipedia

    en.wikipedia.org/wiki/Nitrogen_Rejection_Unit

    A nitrogen rejection unit (NRU) selectively removes nitrogen from a gas. The name can be applied to any system that removes nitrogen from natural gas.. For high flow-rate applications, typically above 420 thousand cubic metres (15 million cubic feet) per day at standard pressure, cryogenic processing is the norm. [1]

  5. Amine gas treating - Wikipedia

    en.wikipedia.org/wiki/Amine_gas_treating

    Amine gas plant at a natural gas field. Amine gas treating, also known as amine scrubbing, gas sweetening and acid gas removal, refers to a group of processes that use aqueous solutions of various alkylamines (commonly referred to simply as amines) to remove hydrogen sulfide (H 2 S) and carbon dioxide (CO 2) from gases.

  6. SNOX process - Wikipedia

    en.wikipedia.org/wiki/SNOX_process

    The SNOX process can be applied for treatment of flue gases from combustion of primarily high-sulfur fuels in power stations, refinery and other industrial boilers and for treatment of other waste gases containing sulfur compounds and nitrogen oxides. The first full scale plant treating 1,000,000 Nm³/h flue gas from a 300 MW coal-fired power ...

  7. Wood Chips Are the Secret to Healthy Soil and Plants ... - AOL

    www.aol.com/wood-chips-secret-healthy-soil...

    You can also use wood chips to make pathways between rows of plants to reduce soil compaction. No matter how you use them, wood chips are an accessible material that can really benefit your yard.

  8. Steam cracking - Wikipedia

    en.wikipedia.org/wiki/Steam_cracking

    An ethylene plant, once running, does not need to import steam to drive its steam turbines. A typical world scale ethylene plant (about 1.5 billion pounds (680 KTA) of ethylene per year) uses a 45,000 horsepower (34,000 kW) cracked gas compressor, a 30,000 hp (22,000 kW) propylene compressor, and a 15,000 hp (11,000 kW) ethylene compressor.

  9. Catalytic reforming - Wikipedia

    en.wikipedia.org/wiki/Catalytic_reforming

    That offgas is routed to the refinery's central gas processing plant for removal and recovery of propane and butane. The residual gas after such processing becomes part of the refinery's fuel gas system. The bottoms product from the stabilizer is the high-octane liquid reformate that will become a component of the refinery's product gasoline.