Disoleatori a Pacchi Lamellari Oilpack

Oilpack Lamella-Pack Oil Separators

for process oil removal

Lamella-pack oil separators, often installed already at the primary treatment level, prevent particularly environmentally harmful components such as oils and hydrocarbons from reaching water bodies at the time of spillage. Slats inclined at 45° make the system efficient. Separated substances can also be recovered for better cost-effectiveness of the whole system.

Efficiency in separation.

Efficiency in separation. Lamellar pack oil separators are very effective in separating oils and light hydrocarbons precisely because of the inclined lamellae within the system.

Low investment costs.

Low investment costs. Simple design, installation, operation. Costs can be further cut by providing an appropriately sized storage tank upstream, minimizing the size of the oil separator.

Oil recovery.

Oil recovery. Following separation, Oil Separators can recover the separated oils and light hydrocarbons to enable easy recycling or disposal.

Energy savings.

Energy savings. Lamella-pack oil separators have a lower cost, in terms of energy resources, than some other oil separation solutions.

Compact design.

Compact design. Lamellar pack oil separators do not require large tanks or reservoirs, making them suitable for installations in confined spaces: for example, parking lots, machine shops and industrial areas.


Adaptability. These are systems suitable for civil and industrial wastewater treatment in extremely heterogeneous sectors.

Lamella-pack oil separators: description and operation

Lamella-pack oil separators perform a fundamental function in wastewater treatment, namely the separation of components that are particularly harmful (oils and hydrocarbons) to water bodies. They are devices used in both civil and industrial settings: in municipal wastewater treatment plants they often intervene at the primary treatment level, upstream from further water purification and finishing technologies.

How do lamella-pack oil separators work?

  1. The flow of water and oil is fed into the tank and evenly distributed over the entire section.
  2. Below the inlet area are placed the lamellar packs, inclined at 45°. The single oil particle, which has lower density than water, tends to rise to the surface. Instead, the clarified water flows through the lamella pack, with fine reeds, with gravitational motion (from top to bottom) with uniform velocity and flow rate within each channel.
  3. Upon reaching the surface, oil particles accumulate in the central area of the tank, above the lamellar pack; from here they are extracted with an oil-skimmer.
  4. The clarified and de-oiled water, taken up from below the lamella pack, reaches the free surface on the side opposite the feed side and from there is conveyed to the outside, to the discharge or to any subsequent treatment.

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    Application Field:

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    Oil & Gas Industries

    Refineries, fuel depots, and petroleum industries in general encounter an abundance of oils, phenols, and hydrocarbons in their water (both stormwater and wash water). Such substances, if not removed, can inhibit subsequent treatments. Oilpack laminar pack oil removers have found application in this area because they combine high oil removal efficiency with their characteristic simplicity and compactness. Used as pre-treatment upstream of biological treatments, such as the Biorulli® system, they have enabled the removal of most non-emulsified oils, increasing the effectiveness of subsequent stages.

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    Stormwater treatment (first rain)

    In recent decades, in different ways and at different times, all countries are enacting laws requiring the treatment of first rainwater. Due to the continuous increase in air pollution, runoff water from roofs and yards is loaded with pollutants, particulate matter, oils, etc. The Oilpack laminar pack oil remover is widely used as a pre-treatment of these waters because it removes traces of oils. Oilpack was chosen because of the particular characteristics of the application: it is a piece of equipment that does not necessarily require continuous operation and therefore can be used only during rain events. By constructing an appropriately sized storage tank upstream, the sizing of Oilpack was reduced to an absolute minimum, resulting in savings in investment costs and footprint.

    Separation of oils for mechanical workshops

    Wastewater from machine shops is characterized by a high content of unemulsified oils, which are to be considered pollutants; therefore, their removal before discharge into water bodies is necessary. In addition, they greatly reduce the effectiveness of water purification treatments, especially biological treatments, because they coat microorganisms with a patina compromising their biological activity and very survival. With the Oilpack lamellar pack oil remover, oils are separated very effectively and waters take on characteristics compatible with subsequent stages of treatment.

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