Mount Pleasant Waterworks
This presentation includes a case study of the mount pleasant waterworks in South Carolina. It discusses the challenges faced with high TDS, iron, and hydrogen sulfide, and the operation of […]
25 Years of Membrane Water Treatment on the Outer Banks of North Carolina
This presentation includes a case study of the Dare Regional Desalination Facility and Frisco RO Plant in North Carolina. Dare Regional Desalination Facility is a 2 mgd facility built in […]
Various Membrane Solutions for Different Applications in Northeast
This presentation gives an overview of membrane treatment facilities along the east coast between Virginia and Maine. It includes general information on RO, MF, UF, EDR, and MBR facilities operating […]
Differences in MF/UF and RO/NF Membrane Properties
This presenation provides on overview of membranes used for water treatment. It includes a description of membrane configurations, membrane materials, removal mechanisms, and membrane structure for MF, UF, NF, and […]
Optimizing Removal of Scalants and Foulants during Membrane Cleaning
This presentation includes an overview of RO membrane fouling and scaling. It discusses biological, particulate, and inorganic fouling mechanisms and the chemistry driving scaling, antiscalant performance, and membrane cleaning. Complex […]
Water Treatment Options for Coastal Communities to Meet Stage 2 DBP Rule
Overview of Cape Fear Public Utility Authority nanofiltration facility built to address TOC, iron, manganese, hardness, and disinfection byproduct formation potential. 1.5 mgd facility operating at 80% recovery. Iron and […]
Post-Treatment Concepts for Seawater and Brackish Water Desalting
Provides an overview of post-treatment for brackish and seawater desalination, including comparison of corrosion indices, explanation of calcium carbonate chemistry, and discussion of alternative post-treatment approaches.
Design-Build: An Engineer’s Perspective
This presentation discusses project delivery methods and compares the design-build approach with the design-bid-build and construction manager at-risk methods. The comparison includes data on relative unit cost, construction speed, delivery […]
Design Considerations for Low Pressure Reverse Osmosis
This presentation provides design considerations for low pressure reverse osmosis (RO) systems. Topics discussed include pretreatment, membrane selection, chemical cleaning, piping configurations, energy recovery, and flux balancing. The presentation concludes […]
Not Your Mommas Treatment Process
This presentation provides an operator’s perspective on the incorporation of microfiltration at the City of Mansfield Bud Ervin Water Treatment Plant. The presentation begins with an overview of the treatment […]