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Contaminant detection in the petrochemical industry

Plastics are an important product in the petrochemical industry – and quality is a key factor for success. Our contaminant detectors and separators ensure metal-free granules and satisfied customers.

Sesotec specialises in systems for industrial contaminant detection and has more than 40 years of experience in the plastics industry.

We provide a complete range of leading technology that includes metal detectors and magnet systems for the reliable detection and removal of contaminants in a wide variety of applications. Our systems can target ferrous metals, stainless steel and non-ferrous metals, such as aluminium, copper or brass − regardless of whether the metals are magnetic or not, coated, painted, loose or embedded in material.

Sesotec's strengths
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over 40 years of experience and reliability

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Personal support in the after-sales area

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Service-Hotline

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Long-term reliability for spare part supply

FAQ

 

Why is contaminant detection and removal important in the petrochemical industry?

When it comes to producing plastics – one of the most important areas in the petrochemical industry – product purity is a key quality factor. It is necessary above all to eliminate metal pieces and particles, which could otherwise cause damage to machinery when the plastic is processed and create quality issues. As a result, manufacturers of plastics should use machine-based contaminant detectors. It is the only way they can ensure their ability to consistently deliver granules of perfect quality.

 

What kinds of contaminants could appear?

Metals such as iron, stainless steel and copper very often contaminate plastics. There is a wide range of reasons for this, including:

  • Slough and wear from conveyor lines (pipes)
  • Slough and wear from machines
  • Broken blades during hot or cold die-face pelletising
  • Accidental contamination through openings in silos, for example due to staff losing objects

Where do plastics manufacturers use our machines?

It varies. Some manufacturers inspect the granules during production, while others do so after the granules have passed through a screening machine. Yet other manufacturers use our machines to perform a quality check during the outgoing goods phase, for example directly before filling the granules into big bags, octabins or other similar containers. Contact us – together, we will find the right solution for the set-up of your processes.

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Case Studies

Machinery protection at Starlinger
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For decades Brückner has been relying on Sesotec metal separators
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Metal detector protects Wanner granulators from damage
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Sitraplas: Risk-free recyclate processing

Separately purchased recyclate often contains various different polymers as well as metal contaminants such as aluminum, brass, and stainless steel. Learn in our Case Study how Sitraplas has solved this problem.

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Case Studies

OPC UA for production without machine downtime

SITRAPLAS GmbH is a producer of high-performance engineering plastic compounds. Unplanned downtime is a nightmare for every company, but especially for continuous production facilities. When metal separators are networked with plastic processing machines, the flow of information between machines can be monitored.

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Industry Brochures

Optimum Productivity in the Plastics Industry
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RAPID VARIO-FS

Metall-Separator für Freifallanwendungen mit drehbarer Separationseinheit

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RAPID PRO-SENSE

Hochleistungs-Metall-Separator für Freifallanwendungen

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RAPID DUAL

Metall-Separator für Freifallanwendungen

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RAPID 4000

Metall-Separator für Freifallanwendungen

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GF

Metall-Separator für pneumatische Förderleitungen

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ELS

Flächen-Metalldetektor für den Einbau in Förderbänder und Materialrutschen

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Teilbarer Metall-Detektor zum Einbau in Förderbänder und Materialrutschen

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ELCON

Flächen-Metalldetektor zum Einbau in Förderbänder und Materialrutschen

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UNICON+

Metall-Detektionssystem für Förderbandanwendungen

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VARICON+

Metall-Detektionssystem für Förderbandanwendungen

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Kompaktes Metall-Detektionssystem mit Förderband zur Untersuchung von Stückgütern

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Rohr-Magnet für Freifallanwendungen

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EXTRACTOR

Rohr-Magnet für Spritzgießmaschinen, Extruder und Blasformmaschinen

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FLAKE SCAN

Analyzing system for the plastics industry

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