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Accelo

Accelo: A Deeper Dive into Hi-Cap Filter Underdrain Blocks

Accelo, previously known as Infilco Degremont, Inc., is a renowned provider of water treatment solutions. One of their notable products was the Hi-Cap Filter underdrain block, a key component in filtration systems designed to enhance water quality.

Understanding the Role of Underdrain Blocks

Underdrain blocks, as their name suggests, are crucial components positioned beneath filter media in a filtration system. They play a pivotal role in:

  • Collecting and distributing water: The blocks act as a support structure for the filter media, ensuring proper water flow and collection.
  • Preventing clogging: Their design promotes consistent water flow, minimizing the chance of clogging that can disrupt the filtration process.
  • Backwashing efficiency: Underdrain blocks contribute to efficient backwashing, a crucial step in cleaning the filter media and maintaining its performance.

The Hi-Cap Filter Underdrain Block: A Closer Look

Accelo's Hi-Cap Filter underdrain block was designed to offer exceptional performance and reliability:

  • Modular design: The block's modular construction allowed for easy installation and adaptation to different filter sizes.
  • Durable material: The blocks were made from high-quality, corrosion-resistant materials, ensuring longevity and optimal performance.
  • Enhanced flow distribution: Their design facilitated efficient water distribution, maximizing filtration efficiency.
  • Simplified maintenance: The Hi-Cap blocks were designed for straightforward maintenance, reducing downtime and operational costs.

Legacy and Current Availability

While Accelo no longer offers the Hi-Cap Filter underdrain block directly, the product's legacy remains significant. Many filtration systems still rely on these blocks, and the knowledge gleaned from their design continues to influence modern underdrain technologies.

Exploring Alternatives

For current needs, several alternative underdrain block options are available from various manufacturers. These alternatives often incorporate advancements in material science and design, aiming to improve upon the legacy of the Hi-Cap block.

Key Considerations

When selecting an underdrain block for a filtration system, consider these factors:

  • Filter media type: The block's compatibility with the chosen filter media is essential for optimal performance.
  • Flow rate requirements: Ensure the block can handle the desired water flow rate without compromising filtration efficiency.
  • Backwashing needs: The block should facilitate efficient and effective backwashing to maintain the filter's performance.
  • Material compatibility: The chosen block material should be compatible with the water being treated and the surrounding environment.

Conclusion

Accelo's Hi-Cap Filter underdrain block played a significant role in the water treatment industry, setting a standard for performance and reliability. While the specific product is no longer available, its legacy continues to inspire innovations in underdrain technology. Understanding the design principles and considerations associated with underdrain blocks remains crucial for ensuring optimal water filtration and treatment.

Test Your Knowledge

Quiz: Accelo's Hi-Cap Filter Underdrain Block

Instructions: Choose the best answer for each question.

1. What is the primary function of an underdrain block in a filtration system?

(a) To hold the filter media in place. (b) To distribute water evenly throughout the filter media. (c) To prevent clogging of the filter media. (d) All of the above.

Answer

(d) All of the above.

2. What was a key feature of Accelo's Hi-Cap Filter underdrain block?

(a) Its compact design. (b) Its modular construction. (c) Its ability to filter out impurities smaller than 1 micron. (d) Its high cost.

Answer

(b) Its modular construction.

3. What is the main advantage of using a modular design for an underdrain block?

(a) It reduces the overall cost of the filter system. (b) It allows for easy installation and adaptation to different filter sizes. (c) It improves the efficiency of backwashing. (d) It eliminates the need for maintenance.

Answer

(b) It allows for easy installation and adaptation to different filter sizes.

4. Why is backwashing an important process in filtration systems?

(a) To remove dirt and debris from the filter media. (b) To ensure proper water flow through the filter. (c) To prevent clogging of the underdrain block. (d) To improve the taste and odor of the filtered water.

Answer

(a) To remove dirt and debris from the filter media.

5. What is a key factor to consider when choosing an underdrain block for a filtration system?

(a) The cost of the block. (b) The manufacturer's reputation. (c) The type of filter media being used. (d) The size of the filter system.

Answer

(c) The type of filter media being used.

Exercise: Underdrain Block Selection

Scenario: You are tasked with selecting an underdrain block for a new water filtration system that will be used to treat drinking water. The system will use a granular activated carbon filter media and has a flow rate of 100 gallons per minute.

Task: Based on the information provided in the text and the quiz, list at least 3 key considerations for choosing an underdrain block for this specific filtration system, explaining why each consideration is important.

Exercice Correction

Here are three key considerations for choosing an underdrain block for this filtration system, along with explanations:

  1. Compatibility with Activated Carbon Media: The underdrain block must be compatible with granular activated carbon (GAC) media. This means ensuring the block's design allows for proper flow and distribution of water through the GAC bed, preventing channeling or uneven flow, and maximizing the filter's efficiency. Some underdrain blocks might be better suited for other media types like sand or anthracite.
  2. Flow Rate Capacity: The chosen underdrain block must be able to handle the required flow rate of 100 gallons per minute without compromising filtration efficiency or leading to pressure drops that could affect system performance. Consider the block's design, material, and channel size to determine its capacity.
  3. Backwashing Efficiency: As drinking water quality requires consistent filtration, the underdrain block should facilitate efficient and effective backwashing to remove accumulated dirt and debris from the GAC media. This ensures the filter remains effective and does not clog over time. Consider the block's design for backwashing, ensuring it promotes even distribution of backwash water for optimal cleaning.

Books

  • Water Treatment Plant Design: This book may offer insights into underdrain block design and selection, though it may not specifically mention Accelo's Hi-Cap blocks.
  • Handbook of Water and Wastewater Treatment Plant Operations: This resource might provide information on filter underdrain systems and their importance in treatment plant operations.

Articles

  • Technical literature from Accelo: Although the Hi-Cap block is discontinued, Accelo may have archival materials or product brochures detailing the product's specifications and design.
  • Industry publications: Search for articles in journals like Water Technology Letters, Water Environment & Technology, or Water Research focusing on filter underdrain technology or water treatment equipment.

Online Resources

  • Accelo Website: The company website may have information on its past products, including the Hi-Cap Filter underdrain block. Look for product archives, historical documentation, or contact their customer support for assistance.
  • Industry Forums: Online forums dedicated to water treatment or filtration, such as Water Treatment Forum or Water Treatment & Purification Forum, could have discussions or posts referencing Accelo products or underdrain technology.
  • Manufacturer Websites: Explore websites of current manufacturers of underdrain blocks, as they may provide information on their products, design principles, and historical advancements in the field.

Search Tips

  • "Accelo Hi-Cap Filter Underdrain Block" - This search term will focus on finding specific information related to the product.
  • "Filter underdrain technology" - This broader search will yield articles and resources on underdrain technology in general.
  • "Water treatment equipment manufacturers" - This search will lead you to websites of various manufacturers who may have information on underdrain blocks or alternative products.
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