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  2. Dealkalization of water - Wikipedia

    en.wikipedia.org/wiki/Dealkalization_of_water

    In general, a dealkalizer is best applied to boilers operating below 700 psi (48 bar). In order to justify installation of a dealkalizer on low-pressure boilers, the alkalinity content should be above 50 ppm with the amount of make-up water exceeding 1,000 gallons (approx. 4,000 litres) per day.

  3. Oxygenated treatment - Wikipedia

    en.wikipedia.org/wiki/Oxygenated_treatment

    Less flow resistance, lower dissolved feedwater iron concentrations, FeOOH film is more stable, reduced boiler cleaning frequency - Disadvantages: Increased risk of FAC, a deaerator is required, more frequent chemical cleaning is required, hazardous chemicals (hydrazine) are used. A deaerator is required. Air leakage is more serious.

  4. Six Metamorphoses after Ovid - Wikipedia

    en.wikipedia.org/wiki/Six_Metamorphoses_after_Ovid

    Each of the six sections is based on a character from Roman mythology who is briefly described: [1]. Pan, "who played upon the reed pipe which was Syrinx, his beloved." ...

  5. US health agencies sued over removal of health data websites

    www.aol.com/news/us-health-agencies-sued-over...

    A medical advocacy group on Tuesday sued the main U.S. health agencies over the sudden removal of websites containing public health information in response to an executive order by President ...

  6. ICE nabs 7 illegal immigrants during Philadelphia car wash raid

    www.aol.com/news/ice-nabs-7-illegal-immigrants...

    Agents with U.S. Immigration and Customs Enforcement in Philadelphia announced that an operation led to the arrest of seven illegal immigrants during a car wash raid.

  7. Selective non-catalytic reduction - Wikipedia

    en.wikipedia.org/wiki/Selective_non-catalytic...

    Selective non-catalytic reduction (SNCR) is a method to lessen nitrogen oxide emissions in conventional power plants that burn biomass, waste and coal.The process involves injecting either ammonia or urea into the firebox of the boiler at a location where the flue gas is between 1,400 and 2,000 °F (760 and 1,090 °C) to react with the nitrogen oxides formed in the combustion process.

  8. Trump's military deportation flights cost more, carry fewer ...

    www.aol.com/news/trumps-military-deportation...

    The calculation is based on only 80 people on a removal flight, though charters generally carry 120 to 125 migrants. Lawmakers have condemned the higher cost of President Donald Trump’s military ...

  9. Thermal oxidizer - Wikipedia

    en.wikipedia.org/wiki/Thermal_oxidizer

    The simplest technology of thermal oxidation is direct-fired thermal oxidizer. A process stream with hazardous gases is introduced into a firing box through or near the burner and enough residence time is provided to get the desired destruction removal efficiency (DRE) of the VOCs.

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