Featured Case Studies and Articles

  1. Protecting The Process: Pretreatment For Membrane Bioreactors

    Toward the end of the 1980s, Professor Kazuo Yamamoto from Tokyo University gave a lecture to a skeptical crowd. His topic? Immersed hollow fiber membrane bioreactors. Since the day that first audience listened to the possibilities of MBRs, much work has been done to make membrane bioreactors a common step in the wastewater treatment process.  

  2. The Ultimate DAF System Design Buyer’s Guide: Part 4

    At face value DAF systems are pretty much like any other piece of industrial equipment – they’re an investment that you only want to make once. And in the same vane, some DAF System designs are simply better than others. With this guide, hopefully you’ve learned which DAF System design elements separate one DAF unit from another.

  3. The Ultimate DAF System Design Buyer’s Guide: Part 3

    Make sure you’ve read the Ultimate DAF System Design Buyer’s Guide Parts 1 & 2 before starting here.

  4. The Ultimate DAF System Design Buyer’s Guide: Part 2

    When you buy a DAF system, you want something that is going to hold up in a harsh environment. You’re going to use the thing for the foreseeable future and the last thing you want is something you have to replace because it didn’t hold up.  DAF System design decisions matter!

  5. The Ultimate DAF System Design Buyer’s Guide: Part 1

    At a certain point in the project development process you will have qualified a few dissolved air flotation (DAF) system manufacturers from a field of many. Now you have to decide which one’s DAF System design will best suit your needs. How do you choose?

  6. The Truth About Clogged Pumps

    The sky is blue, grass is green, and, someday, your pumps are going to clog. It’s just another fact of life — or is it? 

  7. Retrofitting: Is It Right For Your Sewage Lift Station?

    It’s just past 10 on a Friday night, and the phones start ringing in the pockets of the on-call collection systems operators. It’s an alarm for another pump clog at one of your sewage lift stations — the second one this week.

  8. Our Screens Work Great! Now What? (Part 3 Of 3)

    This is the third installment of a three-part series exploring headworks screening problems and solutions. In this installment we will explore solids removal options for headworks facilities.

  9. The Fine Points Of Headworks Screening (Part 2 Of 3)

    Protecting wastewater treatment facilities requires operators to think strategically about their unique challenges and identify the best solution for their specific requirements. Specifying the appropriate headworks system for the plant’s needs is arguably one of the most important design decisions a public works engineer will make.

  10. Outfitting Your Headworks Systems (Part 1 Of 3)

    A plant’s headworks plays a crucial role in the pretreatment influent for any wastewater treatment facility. They protect the operation of downstream equipment and enhance the efficiency of the overall wastewater treatment process.