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Lamella Clarifi er Series

Lamella Clarifi er Series

Lamella Clarifi er Series

Product catalog summary
Introduction
The document discusses the application of inclined settling planes, specifically HEWiTube modules, to enhance sedimentation performance in water treatment processes. This technology is widely used globally across various applications.

Specifications
HEWiTube modules are designed to equalize flow and facilitate phase separation of particles, flocs, or sludge. They are customizable with different angles, lamella spacings, and chevron types to control sludge pathways. Made from rigid Polypropylene, these modules can fit into round or rectangular tanks and withstand temperatures up to 70°C. They are available in blue for potable water applications and offer high mechanical strength.

Design and Customization
Modules are available for self-assembly to reduce logistics and labor costs, especially for remote projects. Additional components like support structures and effluent launders are also provided.

Applications
The HEWiTube Lamella Clarifier Series is suitable for potable water, rainwater treatment, process water, humus tanks, primary sedimentation, activated sludge, combined sewer overflow, effluent polishing, and aquaculture.

Technical Data
Models LS50, LS84, LS60, and LS38 are made from Polypropylene or Polypropylene/PVC, with angles ranging from 45° to 90°. They feature equidistant chevron or trapezoidal flutes channels, with specific surface areas and hydraulic radii detailed for each model. Certifications include KTW/NSF, and dimensions vary by model.

Design Guidelines
Hazen’s law is used as a design approach, linking settling velocity with flow rate and vertical projected surface. The Hazen-velocity is a critical design parameter, ensuring particles with equal or faster settling velocities are removed. Typical design Hazen velocities are provided for various applications.

Conclusion
HEWiTube modules offer a proven, efficient solution for enhancing sedimentation in water treatment, with customizable options to meet specific project needs.
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Catalog excerpts

Lamella Clarifi er Series-1

Features: ■ High settling efficiency ■ Proven technology ■ Made of rigid PP ■ Up to 70°C temperature resistant ■ Self-supporting structure ■ Blue colour for potable water application ■ High mechanical strength ■ Easy installation of modules ■ Circular or rectangular tanks ■ Onsite Self-assembly option ■ Optional components ■ Proven technology The application of inclined settling planes to increase the sedimentation performance is an unchallenged technology; it's applied in numerous plants worldwide covering hundreds of applications. HEWiTube modules equalize the flow and facilitates the phase separation of particles, flocs or sludge. Depending on the task, we provide designs with different angles, lamella spacings and chevron types for a controlled pathway of down-sliding sludge. HEWiTube modules are customized to fit into round or rectangular tanks. The modules are made of rigid Polypropylene and can be placed directly into the tank sitting on a supporting structure. Hewitech also provides additional customized package components such as support structure and HEWiTube effluent launders for the best benefit of our customers. For remote projects we offer a local self-assembly option in order to reduce logistics and labour cost. Design Diversity • Sustainable Efficiency • Custom-made Solution www.hewitech.de

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Lamella Clarifi er Series-2

HEWiTubeLamella series Water and waste water application he wi lechINNOVATION IN PLASTIC model Typical Application made Angle Channel Specific surface* Hydraulic radius Certification Color(s) Std dimension Length (mm) 300 - 1500 *) vertical projected surface = effective settling surface LS50 Potable water Rainwater treatment Process water Humus tanks Polypropylene 45°-90° STD 55°/60° Equidistant chevron ~13 m2/m3 (55°) ~11 m2/m3 (60°) 17mm KTW / NSF Black Blue (KTW/NSF) LS84 Primary sedimentation Activated sludge Combined sewer overflow Polypropylene 45°-90° STD 55°/60° Equidistant chevron ~7...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.