Land Application of Lagoon Effluent: Pros and Cons

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Lagoon specialist Patrick Hill discusses methods of land application, pros and cons of land application of lagoon effluent, its suitability as a treatment option for meeting lagoon ammonia limits, and the benefits of aeration in a treatment system.

Attendees will learn about the types of land application systems for lagoon effluent, their advantages, and their disadvantages and operational challenges. These will be compared with a lagoon upgrade using either aeration or an ammonia removal reactor, and the operational and cost factors of each will be evaluated in a case study.

0:00 Introduction
6:20 Lagoon Ammonia Compliance
8:25 Ammonia Compliance Options
9:15 Mechanical Plant Conversion
12:45 Introduction to Land Application
13:30 Advantages to Land Application
17:10 Types of Land Application
19:10 Disadvantages: Restrictions
24:50 Disadvantages: High Land Requirement
25:45 Disadvantages: Operational Challenges
27:50 Disadvantages: Nitrate Seepage
30:55 Optimizing Land Application
32:00 Benefits of Aeration & Mixing
33:10 Overview of Triplepoint Aeration
36:05 Lagoon Upgrade vs Land Application
37:40 Nitrification Overview
39:00 Lagoon Nitrification Requirements
40:55 NitrOx Reactor Overview
45:40 Case Study: MO Lagoon
47:20 Case Study Lifecycle Cost Comparison
48:45 Conclusions
49:40 Questions and Answers

Preapproved for 1 continuing education hour in Alaska, Arizona, California, Idaho, Illinois, Indiana, Louisiana, Maine, Montana, New Hampshire, New Mexico, Ohio, South Dakota, Vermont, Washington, and Wyoming. Likely accepted in states that do not preapprove CEUs, such as Alabama and South Carolina. Eligible for PDH credit in all states.

About the instructor

Patrick Hill is a lagoon specialist for Triplepoint Environmental, a company dedicated to providing cutting edge and cost-effective solutions for wastewater lagoons across North America. After graduating from the University of Notre Dame, Patrick began his career working for the reputable civil engineering firm, Sheaffer & Roland, Inc., which focuses on the design, build and operation of wastewater treatment lagoon systems. He joined Triplepoint, based in Centennial, Colorado, in 2007, and has since worked with hundreds of lagoon owners to help extend the life of lagoon systems, improve efficiency, expand capacity and meet new effluent requirements. Patrick has presented on lagoon topics at dozens of conferences across the country and at the Water Environment Federation’s annual conference (WEFTEC).