The presenations will provide a background on membrane processes for water treatment including RO, NF, MF and UF along with basic terminology and key points....

The City of Boise is conducting a pilot study of hollow fiber MF/UF membrane technologies at its West Boise Water Renewal Facility (WBWRF). The pilot study is investigating removal of phosphorus by coagulation and membrane filtration. The work is being done to support planning for plant improvements requried to comply with reduced phosphoruis disc...

In 2018, the City of Post Falls, Esvelt Environmental Engineering, SPI, and J-U-B Engineers completed the ?City of Post Falls Water Reclamation Facility Tertiary Treatment Pilot Study." The goal of the study was to identify several operational and chemical dosing scenarios for phosphorus removal which could be employed to meet discharge permit con...

The Spokane County Regoinal Water Reclamation Facility is a 8.5-mgd, greenfield treatment facility utilizing membrane bioreactor technology to meet some of the more stringent effluent limits in the Pacific Northwest. The facility is required to meet a summer total phosphorus limit of 0.050 mg/L on a monthly average basis, together with an ammonia-n...

Drinking water and wastewater projects using membranes with an overview of regulations will be discussed. This includes the Idaho Rules for Public Drinking Water Systems, Wastewater Rules and Recycled Water Rules. Case studies of membrane filtration facilities in drinking water systems and membrane treatment for wastewater in Idaho will be reviewe...

This presentation will utilize the MBR procurement process for the Big Sky WRRF Expansion and Upgrade project to educate the audience on the key MBR design features as they relate to MBR performance and operation. Major topics will include design specifications and the reasoning behind them, as well as cleaning and access to equipment for satisfac...

The City of Spokane is implementing an innovative use of tertiary membrances to help address its integrated water quality planning to meet the total maximum daily load (TMDL) requirements on the Spokane River. At the City's Riverside Park Water Reclamation Facility (RPWRF) the tertiary membrane filtration system is designed to meet an average daily...

The presentation will review the Simplot Process Water Treatment and Return Plant as an overview for understanding the project development prior to plant tour. Up to 3.2 MGD of the potato processing wastewater is treated in a complete zero-liquid discharge facility using Enhanced Biological Nutrient Removal, MBR and RO membranes and on-site evapor...

This presentation discusses the advantages of ceramic (CM) ultrafiltration membranes (UF) for surface water treatment for municipal drinking water applications. Nanostone piloted their ceramic membrane technology for 2 years on the Boise River, and has been retrofitting other polyeric membrane plants in the last few years. This presentation will di...

This presentation addresses the challenges encountered for site selection, design, and construction of a gravity powered on-demand WTP. Specific details for the WTP hydraulics and the new ceramic membranes will be discussed. Engineers, operators, and utility managers will benefit from this presentation by learning about a cutting edge design and o...

The Rueter-Hess Water Purification Facility (RHWPF) is a ceramic membrane facility with Actiflo? Turbo and Actiflo? Carb pre-treatment processes owned and operated by the Parker Water and Sanitation District (PWSD) with a nameplate design capacity of 10 million gallons per day (mgd). The RHWPF currently treats blended water consisting of local surf...

In many regions, wastewater discharge from industrial sites must be greatly minimized or completely eliminated. To reduce energy and capital costs, multiple membrane are often included to maximize recovery of water. Two new, key membrane processes which have been developed for this are nanofiltration membranes which separate sulfate and chloride ...

Idaho Power's Langley Gulch power plant generates approximatly 300 MW of power per day using natural gas fired boilers. The facility uses water from lateral collection wells along the Snake River for both boiler makeup and cooling. The treatment systems had several single points of failure and areas of challenging operation. This paper discusses th...

In a membrane plant you can be overwhelmed with data. Some of it useful, some of it not so useful. The key is to weed out the less then useful data so the operators can focus on the useful data. Once the data is filtered out operators can use it to make informed decisions on how to improve membrane and overall plant performance, and indicated poten...

The presentation will be a look at how the hollow fiber membranes are made, tested, shipped, and installed (without discussing any trade secrets). We will focus on the polymeric hollow fiber technology, discussing the various production methods, QC under the MFGM, and best practices to ensure quality in installation....

Membrane bioreactors have become mainstream technology within the municipal markets. Some MBRs have been operating for close to twenty years. This presentation will discuss how an operator monitors the performance and health of the membranes in an MBR facility, as well as how a plant should plan for membrane replacement given that the age of MBR fa...

This presentation will outline quality control techniques and measures performed on RO, UF, and MBR membranes. The presentation will go into depth on how quality is ensured, and what can happened if quality is not ensured by the membrane supplier....