Category Archives for Separator Vessel & Filter

High Efficiency Filters – Brownian Motion Media

Brownian motion media consists of a thick fiber mesh made from ultra-fine glass or polypropylene fibers. The media is packed between reinforcing screens for strength and can vary in thickness from one to several inches. Depending on the application requirements, … Continue reading

18. May 2018 by Dan
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High Efficiency Filters – Liquid/Gas Coalescer Cartridge

Liquid/gas coalescer cartridges are similar to cartridge filters in appearance and size. The media is designed for the gas flow inside to out, thus allowing the coalesced liquids to “wick” down the special outer media wrap into a basin for … Continue reading

18. May 2018 by Dan
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Horizontal Knockout Vessels

The basic horizontal knockout pot shown in Figure P-10 can have internals configured many different ways. As with vertical vessels, careful consideration must be given to the nature of the fluids the impingement device is to deal with. Corrosives and … Continue reading

18. May 2018 by Dan
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Horizontal Knockout Drum – Determining Vessel Diameter

The maximum allowable gas velocity determines the required vapor space area above the highest liquid operating level. One method used to determine the required vapor space uses a variation of Souders Brown equation. The method takes into account particle settling … Continue reading

18. May 2018 by Dan
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Horizontal Knockout Drum – Determining Vessel Length

Vessel length is based on liquid holding volume and residence time. The length is adjusted to achieve the necessary liquid holding volume to satisfy proper process control. This is usually considered to be the minimum amount of time for liquid … Continue reading

18. May 2018 by Dan
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Vertical Knockout Drum – Vessel Outlet Nozzle Clearance

The distance between the outlet nozzle opening and top of the mist elimination device is recommended to be a minimum of 12 inches, increasing in relation to the diameter of the mist elimination device. The objective is to prevent channeling … Continue reading

18. May 2018 by Dan
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Vertical Knockout Drum – Effects of Pressure on K Value

A K factor of 0.35 will give a safe velocity for practically all applications where operating pressure is reasonably close to atmospheric. Giving account to the previously mentioned factors that can influence K value, Figure P-8 gives recommended K values … Continue reading

18. May 2018 by Dan
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Vertical Knockout Drum – Wire Mesh Mist Eliminators

Generically known as demister pads, wire mesh has been used for decades as a contacting media for coalescing liquid aerosols. First introduced as a woven wire screen, the construction was relatively stiff and usually applied as a thin, single layer. … Continue reading

18. May 2018 by Dan
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Vertical Knockout Drum – Vane Mist Eliminators Combination Installations

Vane mist eliminators can be used in tandem with wire mesh pads to control the amount of liquid pooling within the pad. Contacting the bulk of vapor entrained liquids with vane mist eliminators prior to flowing to the wire mesh … Continue reading

18. May 2018 by Dan
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Vertical Knockout Drum – Vane Mist Eliminators

Vane Mist eliminators (sometimes referred as chevron design mist eliminators) are best used when liquid loading is high and/or the liquid is viscous or has fouling characteristics (such as paraffins, hydrates). They are not recommended for use as the sole … Continue reading

18. May 2018 by Dan
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