Lessons Learned in Three Years of Membrane Plant Operation
The City of Bozeman put a 22 MGD microfiltration plant online in March of 2014. Over the course of the last three years of operation, several lessons have been learned. […]
UF/MF Case Study Comparison: The Impact of Feedwater Sources
Ultrafiltration/Microfiltration (UF/MF) plants can operate on feedwater from well water to surface water and even on wastewater sources. The advancement of today?s UF/MF technology has allowed water treatment plants to […]
Understanding the Chemistry Behind Membrane Cleaning
This presentation discusses different cleaning chemicals and techniques. It explains the chemistry of membrane cleaning, and how chemicals interact with different foulants under different conditions.
Butte Water System Background Through Ceramic Membrane Installation
I would like to spend a few minutes on the history of the Butte Water System. Then I’d talk about the treatment technology selection, piloting process, and finally the selection […]
Membrane Fouling – a Case Study
One of the primary operational concerns with any membrane plant is fouling. This becomes even more of a concern at higher recovery and flux rates. A case study at a […]
Application of Reverse Osmosis on a Challenging Groundwater Supplyin Central Montana
Pilot testing was conducted at Sun Prairie Village County Water & Sewer District for a new water treatment plant to treat water from a local aquifer with very high hardness, […]
Special Filtration Situations
The City of Cottage Grove, Oregon has a 4 mgd Pall membrane plant. Special filtration situations are created by the presence of mine wastes, fluctuating raw water flows, siltation caused […]
Operational Challenges for Membranes Treating Cold Water with High TOC Content
Raw waters with high TOC content present unique challenges to municipal treatment plant operators. These problems are exacerbated when the raw water is very cold. Plants in the Pacific Northwest […]
Retrofitting an Aging Membrane Filtration Plant
The Oden Water Association had an existing media filtration plant treating Oden Bay Water, a bay area off Lake Pend Oreille near Sand Point, Idaho. In 1999 they decided to […]
Case Study -OMND Plant in North Dakota
This presentation will discuss the operation of a 6 MGD pressurized two-stage Ultrafiltration (UF) plant over a 3 year period at the Oliver-Mercer-North Dunn (OMND) Drinking Water Treatment Facility. The […]