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What is PolyClay?

PolyClay lies at the heart of most wastewater treatment solutions that we produce. Exclusive to CTECH Europe, PolyClay has been developed over a number of years. PolyClay products are blended formulations based on natural minerals, they are powdered semi-granular formulations which are added directly into the wastewater. The components of the formulations dissolve and react in sequence. They work by pH adjustment, precipitation, ion exchange, coagulation and flocculation.

PolyClay offers many advantages over traditional treatment methods such as polymer based solutions. Continued product development has led to many different blends tailored to treat different industrial wastewaters. 

Key Facts

  • PolyClay is Unique to Ctech Europe
  • Targets harmful substances within wastewater
  • Multiple blends to treat different Substances
  • Delivered Worldwide

Typical Contaminants removed by PolyClay

  • Waterborne paints
  • Water Based Inks
  • Latex
  • Suspended solids
  • Heavy metals
  • Dyes + Oils
  • Adhesives
  • Phosphates

Plus many other contaminants which contribute to non-soluble COD levels will be removed.

The Process

How PolyClay Works

  1. Step One

    PolyClay Formula Is Added Directly To The Wastewater

    At this stage the pH is lowered, coagulation occurs and emulsion is broken down.

  2. Step Two

    PolyClay Starts to React with the Wastewater

    Bentonite Clay hydrates and contaminants absorb onto clay platelets.

  3. Step Three

    Contaminants are absorbed onto the clay

    The overall pH is increased and impurities are encapsulated.

Examples of applications and industries are:

  • Corrugated and Paper Industries

    Successful removal of flexo inks and glues from corrugated box plants.

  • Glass Production Industry

    Specifically for the glass industry CTECH have developed specialist PolyClay formulas to remove the very fine glass particles from grinding. Through this highly efficient removal of particles it is possible to increase the use time of the water used in the grinding process before replacement is required. Examples of benefits are longer life span of drills and grinding/cutting tools, higher accuracy, less cleaning and changing of water in the collecting tanks.

  • Paint Shops

    Different PolyClay products and equipment ensure an economic treatment of the water curtain in spray booths. PolyClay also treats the cleaning water that results from cleaning of the spray guns. Simple handling allows for economic and trouble-free usage by the operators.

  • Water Containing Oil and Grease

    Specialist PolyClay formulas have been developed to remove oils and grease emulsions from water. We also supply oil skimmers for removal of floating oil and grease.

  • Paint Production Industry

    By treating the cleaning water that occurs during the production of paint with PolyClay, the water can then be discharged to the sewer. Pigments are encapsulated with the benefit that heavy metals will not leach out. This often reduces the cost for disposal to landfills.

  • Metal & Galvanic Industry

    Ctech products are used to remove metals, heavy metals, oil and grease that can be found in wastewater generated in the metal industry. In the galvanic industry the surface treatment of metals typically results in a lot of heavy metals in the water which then need to be removed before discharging to the sewer.

  • Furniture & Wood Industry

    Ctech have efficient ways to remove phosphates from water that occur during the production of steel furniture. Additionally for the wood industry ctech have solutions to remove glues from water.

  • Glue & Latex

    Removal of suspended solids (glues and latex) in wastewater. Very often companies are challenged in their ability to filter the sludge after treatment. PolyClay improves this process considerably.

  • General

    Ctech products and equipment are also used as a pre-treatment for those waste streams that are hard to treat. After pre-treatment the water can then be further treated with ultra filtration, biological treatment and/or other post-treatment processes.


We can deliver bulk orders right to your Warehouse

We can deliver the right PolyClay formula directly to you in bulk. Please get in touch and we can provide you with an accurate quote for your order. 

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Watewater Treatment

Our machines that work with PolyClay

CPS Custom Process System

Bespoke Systems - Providing design flexibility to meet specific waste removal needs Suitable for volumes from 5-500m³ per day

Can't see what you’re looking for?

We’re constantly Identifying new ways to treat wastewater

Our formulas are always being developed to help treat other wastewater streams that have proved difficult to treat by alternative methods.

PolyClay FAQ's

Can we purchase PolyClay formula In bulk?

PolyClay is available from 25kg bags up to 1 tonne bulk bags. 

Can you tailor a PolyClay formula for our process?

The Answer is YES. If you have something specific within the wastewater your process produces we can tailor a PolyClay formula to work for you. Learn more about our PolyClay product here

How quickly does PolyClay work?

Typically PolyClay will get to work immediately and wastewater could be ready for filtration within 10-20 minutes

How do I place an order?

To place an order you can call us directly on +44 (0) 151 336 7775 or e-mail sales@ctech-europe.com with the details of your order and a member of our sales team will get back to you. 

Can I get samples of PolyClay

Yes, samples of PolyClay can be dispatched worldwide free of charge. 

Can CTECH analyse my industrial wastewater?

Yes, this service can be performed at our own facilities in the UK and Europe or at your own premises.

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