Met-Chem MCP Lamella Clarifier

Product Information

Met-Chem Lamella Clarifier MCP

Build to Your Specifications

Product Description

  • Parkson Style Lamella Clarifier
  • Steel Body
  • PVC Settling Plates ( other options available: Stainless Steel, Polypropylene, etc.)
  • 60 Degree Parallel Plates (other degrees available)
  • Floc Tank and Mixer
  • Automatic Sludge Blowdown System

Additional information

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Our Process​

Order and Customize

Sales Person

Speak to one of our sales representatives for options and customization.

Construction

Gear Wrench

Your equipment is built and customized just for you. Receive photos and updates during the construction.

Delivery and Installation

Ask about our Delivery and Installation options.

Inclined Plate Lamella Clarifier Design and Diagram

Wastewater flows into the Clarifier at the top of the tank. Depending to help on the type of Wastewater Application you need, Flocculant and/or coagulants are added to help settle out the solids. The wastewater is fed via baffles to the bottom of the unit. This is where the settling process begins. Water flows up through the plates while the solids settle to the bottom of the clarifier.

After gravity settles the solids to the bottom of the clarifier, it is pumped into a sludge thickening tank for additional settling. From the sludge thickener, the sludge typically gets pumped through a filter press for final dewatering. The water from the filter press is returned back to the equalization tank, and the solids are safe for disposal.

Once the water is filtered and enters the top of the tank, it is typically safe for discharge. In some cases, additional water polishing is required.

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How does an Inclined Parallel Plate Work?

Total Suspended Solids (TSS) will naturally settle over time due to gravity, but this process can be sped up and improved by having an Inclined Plate. Water flows up the plate at a 60° angle. Gravity will force the solids to settle onto the plate. The particles collect on the plates will become heavier and slide back down the plate to the clarifier cone. This process creates a counter flowing pattern, where the solids are seperated from the liquid into two lanes of traffic. The water flows in the upward bound lane, and the sludge flows in downward lane. This method reduces drag and friction creating a faster settling process than if the solids were to settle naturally.

Flocculants and Coagulants are added to improve the settling time. Coagulants neutralize the negative charge particles allowing them to sink faster. Flocculants allow for the small particles to collect and accumulate. This will make the solids heavier and easier to settle.

Projected Settling Area and Retention Time

Projected Settling Area

Inclined Plates allow for a compact design, therefore reducing the need for valuable floor space. The plates are angled at 60° allowing for an efficient projected surface area. Larger angles cast a smaller projected surface area, and shallower angles disrupt sludge flow and potentially could clog the plates. In the diagram, the Total Projected Surface Area graphically compares the equivalent floor space needed. One Standard Met-Chem Plate Pack is equivalent to a 15-foot diameter holding tank or a circular thickener.

Retention Time

Met-Chem’s design allows for a 50-60 minute retention time. This is a much better retention time than a traditional Parkson Style Clarifier which has nearly half the retention time. By having a greater retention time, this allows for more settling time, which improves the counter flowing pattern as described above. Moreover, a larger retention time Reduces the Risk to Overrun the Clarifier.

Automatic Sludge Blowdown System for Clarifiers

The Automatic Sludge Blowdown System automates two times, the sludge collection time, and the sludge discharge time. The sludge collection time is when the clarifier is “in use” or the time it takes for sludge to settle in the cone of the clarifier. The sludge discharge time is when the pump transfers the sludge from the clarifier to the sludge thickening tank. The system will automatically open the discharge valve and activate the diaphragm pump, and after a predetermined time, it will automatically turn the pump off and close the valve. The system comes with a sludge valve, air valve, control panel with timers, and a cast iron diaphragm pump.

The Automatic Sludge Blowdown System reduces the need for manual operation. This will save you time and money on the cost of an operator. It will also maintain consistent wastewater flow. The system will also safeguard against sludge overflow, eliminating human error.

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Automatic Sludge Blowdown System

Custom Designed Catwalk Systems

Catwalk Systems provides easy access to Tanks and Clarifiers for operation, maintenance, and testing. Met-Chem will design to fit or retrofit existing systems. Catwalk systems could be comprised of stairs, ladders, guard rails, and landings.

  • Ideal for Operation, Maintenance, and Testing
  • Easy Access to Tanks and Clarifiers
  • Custom Designed Catwalks
  • Fabricated and Engineered to be Highly Durable
  • Meets or Exceeds OSHA Safety Standards
  • Custom manufacturing to fit or be retrofitted to match other Clarifier Brands such as Parkson, Hydroflo, M.W Watermark to name a few

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Scum Skimming System

There are many wastewater applications that require Scum Skimming System.  Solids that float towards the top of the wastewater is referred to as scum. A Met-Chem Clarifier can be outfitted with paddles to remove and collect the scum.

The paddles will skim the top of the wastewater in the clarifier. They will grab any floating solids and pull them into a collection point. Watch the video for a demonstration.

The solids that settle to the bottom will still be treated with a flocculant or polymer and settle to the bottom of the sludge cone with the clean water exiting the top. The Scum Skimmer will capture the floating solids, they will be captured and placed into a separate section of the clarifier to be removed. The solids can be pumped into the same cone bottom or a Filter Press for further dewatering.

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Scum Skimming System

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