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AMR Process Inc. designs and supplies process internals together with process guarantees. AMR Process Inc. provides custom design of the process internals utilizing  computer aided design software. AMR Process Inc. will also provide process sizing suited to process flow requirements, and will supply a process guarantee to ensure client satisfaction with the process internals' performance. Materials can be selected to meet most design requirements i.e., SS304, SS316, exotics etc.

AMR Process is also able to offer process internals fabricated to client's designs.

Vane & Mesh Mist Extractors

Separation of a gas-liquid stream in a separator is assisted by process internals which provide additional separation beyond that of gravity. The inlet steam is first directed through an inlet device which assists bulk separation of the liquid from the gas in the separator.

Small liquid particles of mist will not be separated. By passing the mist through a vane mist extractor, it undergoes changes in momentum, causing impingement and coalescing on the vane walls. The liquid drains down the walls & is collected in the bulk liquids below. AMR Process Inc. offers different vane pack mist extractor types for different applications in separators:

• Model V1 - "Tortuous Path" vane pack. This vane pack demister design provides excellent removal capabilities for small liquid particles >8 microns.

• Model V2 – “Hook Type” vane pack. This vane pack provides greater liquid loading with slightly higher pressure drop.

• Model VM – This is a combination vane pack with mesh pad that provides higher than normal gas throughput, such as at the top of structured packing glycol tower.

AMR Process Inc. wire mesh mist extractor or mesh pad works in a similar way to vane packs, utilizing coalescence. The process stream flows vertically through the mesh pad and impacts on the knitted, crimped wire surfaces in the mesh pad. Entrained liquids are coalesced as they continuously impact the wire surface.

The collected droplets coalesce into larger droplets and gravity forces cause the liquid to flow down through the mesh pad wires, and eventually to fall free from the bottom of the mesh pad. These droplets are too large for the gas velocity to carry the liquid particles back into the mesh pad and fall to the bottom of the separator.

Cyclonic Demisters

Another method of removing liquid particles from the gas stream in a separator utilizes centrifugal force. The gas stream enters a multi-cyclone or cyclonic bundle that spins the gas, forcing the liquid to the cyclone wall. The liquid drains out of the cyclone at a low pressure recycle opening, whilst the gas turns around upon itself and flows free of liquid out the bottom of the cyclone tube.

The cyclonic demister provides more efficient removal of liquid particles than the mesh pad or vane pack demister at steady state flows, and also provides smaller diameter vessels. This makes the cyclonic demister very cost competitive, especially for high pressure applications. The cyclone demister also effectively removes solids. The cyclone demister does however have a limited turndown to around 25% of design flow, as the performance is dependent on the centrifugal force that is reduced as gas flow decreases.

Cyclonic Inlet Devices

AMR process Inc. can offer cyclonic or cyclone inlet bundles for primary separation in oil & gas separators which have been proven to provide enhanced separation of gas/liquids and well as excellent de-foaming abilities.

These process internals are attached internally to the inlet nozzle which uses centrifugal forces, in the same way as the cyclonic or cyclone demister, to provide pre-separation before the fluid enters into the main separator body. This pre-separation can increase performance in an existing separator or reduce vessel size requirements on a new application. The centrifugal force also breaks stabilized foam and will reduce expensive de-foaming chemicals.

Liquid / Liquid Coalescer Packs

The coalescer packs are placed in the liquid section of horizontal separators in order to assist with effective separation of water & oil.

Two basic fluid dynamic principles, as well as innovative physical dimensioning, govern the operation of separating liquid phases. Laminar, stable flow maintained between the corrugated plates, allows conventional settling (i.e. in accordance with Stoke's Law) to be much more efficient. Decreasing the travel distance to an interface (and subsequent removal) reduces the retention time required to effectively treat a given volume of water. This can improve existing separator performance or decrease the vessel size in new designs.

Anti-Motion Baffling & De-Foaming Packs

AMR Process Inc. has proven anti-wave or anti-motion baffling for moving production systems as experienced on mono-hulls, tension leg, and semi-submersible platforms.

The anti-motion process internals baffling has various designs according to the application. They can consist of simple single plate baffle systems, to double plates, and anti-motion packs which are inserted into the gas/liquid areas of the separators. The baffling effectively reduces motion of waves along the vessel, and limits mixing of two phases, thus providing effective separation in moving production.

These anti-motion baffling designs also serve to provide excellent de-foaming packs by crushing stabilized foam.

Sand Jet Systems

It is important to properly design sand jetting systems in separators to effectively assist in the removal of accumulated sands and solids in the bottom of the vessel.

AMR Process Inc. utilizes specifically designed systems. We provide multi-tiered designs, sand pans, high efficiency spray nozzles, and separate operational sections to reduce wash water demand, in order to provide the optimum systems and the most economical cost.

Cartridge Filter / Coalescer

AMR Process offers different types of process internal cartridges & coalescer cartridges to meet specific customer separator requirements.

• Water in Oil Coalescers - These coalecer cartridges offer in to out flow, and water removal efficiency below 20-30 ppm.

• Gas Filters  - These filter cartridges offer out to in flow and down to 0.5 micron solids nominal filtration and additionally act as a liquid coalescer.

• Gas Coalescers – These coalecer cartridges offer in to out flow, pleated media down to 0.3 micron liquid absolute removal

Desalter / Electrostatic Treater Internals

Electrostatic treaters are utilized to remove water from oil to high efficiencies (below 1.0% BS&W). Electrostatic separators additionally act as desalters as they remove water that contains salt.  Some times desalters consist of a upstream mixing device in which fresh water is used to wash the crude or desalters can have one or two satge desalters in order to minimize dilution water requirements. AMR Process Inc. offers various designs of electrostatic treaters and desalters and provide the process internals, proprietary transformer hook up electrical materials together with a process guarantee.

• Electrostatic oil dehydrator configurations:

  • Advanced Treater - This is a horizontal vessel with vertical oil flow through electrostatic grids which effective dehydrate oil.

  • Desalter - This is an electrostatic oil dehydrator that additionally reduces the salt content of the export oil, utilizing dilution water.

  • Heater Treater – A fire tube is included in the electrostatic vessel for heating of bulk fluid, with initial stage separation of water/oil/gas, before passing through an electrostatic grid.

  • Electro-Mechanical Treater – Combines the high efficiency mechanical separation of a coalecser plate pack with the high efficiency separation of an electrostatic grid. This design can be problematic if used with waxy oils and solid loadings but is advantageous at breaking problematic emulsions.

• Types of electrostatic fields:

• AC-Plus - Three phase AC converted to single phase AC high voltage field. Excellent for breaking emulsions, low API oils and high inlet water contents.

• AC-Direct - Three phase AC converted to DC high voltage field. Improved oil throughputs providing smaller vessel sizing.

• AC-Tri - "Scott" connection, three phase hook AC up converted to two phase AC high voltage field. Excellent at balancing loads on electrical generation equipment.