Symposium, Minneapolis, MN, 08/01/05
Matches: 27
Start Up of the Minneapolis Water Works Membrane Filtration Plant
This presentation covers the Minneapolis membrane filtration facility. It covers the history prior to the plant, the drivers behind the need and the details of procurement and operation. Also discussed are pilot testing, product selection, design layout and issues and well as operational details....
Preliminary Results from AwwaRF 3010: Zero Liquid Discharge for Inland Desalination
This Presentation discusses the work completed on the 2004 Zero Liquid Discharge 3010 project. Covered are computer modeling, bench test and pilot test results that will go into the final project that will be completed in 2006. This project uses fluidized bed crystallization and the slurry precipative process....
Regional Solutions for Concentrate Disposal
This presentation is an update on the Joint Water Reuse Taskforce efforts on concentrate disposal. Included in the presentation are the drivers for the project including the fact that disposal is a commonly overlooked item. The presentation covers ideal options, typical alternatives, emerging technologies and the need to guidance. The paper then sh...
Startup of the 40-mgd Glades Road Nanofiltration Plant for the City of Boca Raton
This PowerPoint describes the Startup of the 40-mgd Glades Road Nanofiltration Plant for the City of Boca Raton...
Upgrading Lime-Softening Plants to Nanofiltration
This presenation cover the upgrading of lime softening plants to membrane nanofiltration. Discussed are an overview of the two technologies, a comparison of their capabilities, the use of membranes and the cost to implement the change....
Membrane Softening for Ammonia Reduction and Copper Corrosion Control
This presentation covers the use of nanofiltration (membrane softening) to reduce ammonia and copper corrosion. The focus starts with design goals and then covers water quality issues, wastewater quality and the existing water treatment system. From there the presentation moves to discuss pilot test objectives and results and then the preliminary d...
Basics of Nanofiltration
This presentation focuses on membrane nanofiltration. Discussed in detail are membrane characteristics, applications for nanofiltration technology and system considerations. Discussion on the use of nanofiltration membranes in combination with brackish water membranes for hydraulic balancing is also discussed....
Integrity Test for Spiral Wound Elements
This presentation discusses the construction of membrane elements and how to best measure performance based on salt passage. Procedures are covered introducing the short pulse method of element verification testing to verify a series of membrane quality possibilities....
Integrity Testing RO Systems in Disaster Relief: Experience at Banda Aceh for Potable Water Assurance
This presentation discusses the relief efforts for Banda Aceh to repair their potable water supply. Covered are the shipment of a reverse osmosis system and the regulations for quality testing. The presentation then covers a membrane system integrity method using water soluble dye...
Existing Plant Retrofit/Expansion: Challenges of Seamlessly Integrating Two Water Sources
This presentation is a case study that covers The Pinewoods nanofiltration system located in Lee County Florida and how to best expand the system to take advantage of new technology. Also explored was a new reverse osmosis system as an option to work along side the original nanofiltration system....
City of Azusa MF WTP - Pilot Case Study
This presentation discusses the pilot study results for the Canyon water treatment plant in the city of Azusa CA. Also discussed is membrane basics, evaluation and water properties. In the actual case study the reader is walked through the decision making process including several side by side pilot tests. Results are then compared looking closely ...
Back to Basics Reverse Osmosis
This presentation is an introduction of membrane technology. This covers the basics of how reverse osmosis technology works as well as a basic understanding of the all the variables and details that must be understood to apply the technology. Also covered are basic system design consideration basics....
An Overview of Zero Liquid Discharge Technologies & Issues
This thorough presentation covers the background, variants, costs and issues associated with zero liquid discharge for desalination systems. Graphs are presented plotting current disposal means and methods by plant size as well as costs of each option. Also discussed are the effects of increasing system recovery, the evolution of zero liquid discha...
Corrosion Control for the State of Minnesota
This presentation discusses the monitoring of water at residential taps to measure transfer pipe corrosion. It discusses the results of testing, common issues and various methods of correction. The presentation to several specific example and to lessons learned after 12 years of implementation....
MF/UF Basics
This presentation is a basic description of membrane technology. It focuses on device configuration and covers both membrane filtration and membrane separation processes. Also discussed are the commercially available products, system photographs and applications of the technology....
Knowledgebase of Full-Scare RO/NF Facilities
The presentation funded by the California Energy Commission discusses a survey that was conducted to gather knowledge on membrane separation facilities. Survey results discussed include regional locations, capacity, water source, process used and water attributes. Also covered are treatment objectives, chemicals used, plant initial and O&M costs....
Piping Materials for RO, Brackish & Seawater Systems
This PowerPoint presentation discusses piping essentials for reverse osmosis facilities and the properties that are desirebale to minimize corrosion...
Seawater Desalting in Florida & Texas
This presentation discusses drivers for desalination in Florid and Texas. The Tampa Bay 1 seawater plant is covered as well as overviews of each desalination effort around the state. A shift to Texas desalination covers the political willingness to move towards desalination and the initial proposed facility. Texas and Florida observations are also ...
AL-6XN Alloy Piping: Applications in Desalination
The presentation discusses the test results and field experience of the super austenitic alloy AL-6XN. The paper indicates that this alloy is unlikely to suffer from corrosion attack or stress cracking in the presence of chlorides at temperatures when used in desalination processes. This paper is very commercial in nature....
Panel: Superaustenitic Stainless for Corrosive Environments
This presentation briefly covers the selection of metals for use in desalination processes. It is an introduction of various materials including austenitic, duplex and super austenitic stainless steels. Also provided are overviews of items to consider in metal selection including localized corrosion, fabrication, availability, mechanical propertie...
Reuse of Concentrate as a Resource
This presentation discusses beneficial ways to reuse the concentrate from inland desalination facilities. It covers the actual byproducts of the process, the possible beneficial uses as well as chemicals that can be derived from the concentrate and the product and industries that may be served. Covered in more detail are examples on dust control, r...
Pacific Ocean Seawater Desalting
This presentation discusses the needs to seawater desalination in California and the recent changes in the technology that makes it a viable alternative. The author then shifts to discuss the various agencies engaged in desalination planning and list the projects in planning with an overview of each. Also covered are project funding alternatives, n...
Bureau of Reclamation Activities and Research in Concentrate Management
This presentation covers the history of the Department of Reclamation and their efforts in concentrate management. The presentation points out that irrigation increases the salinity of surface soil and municipalities concentrate salts during the treatment process. The presentation then shifts to cover the various bureau concentrate management proje...
Chloramination Issues in Distribution Systems
This presentation discusses the trade-offs of using chloramination in water distribution systems. The presentation covers the history of chloramine use, the trade-offs to expect and more specifically problems with nitrification. Also discussed is the release of ammonia from chloramine decay. Focus then shifts to pilot testing to confirm that enhanc...
Issues of Operational Integrity in Membrane Drinking Water Plants
This presentation discusses fiber breakage in membrane filtration modules and the various methods of determining integrity. Discussed are bypass flow hydraulic modeling, the use of pressure decay testing and the Kenosha cut fiber study to model system integrity....
The Metallurgy of Steels for SWRO
This presenation does a good job at covering the selection of metallic pipe in seawater applications. It covers what attributes are most important, the families of metals most commonly used, corrosion resistance, strength as well as welding and servicability....
West Basin Municipal Water District Ocean Desalination Research & Development
This presentation covers the existing work and infrastructure at the West Basin Municipal Water District. The focus then shifts to water resources and the need for diversification to a drought proof supply of water. The presentation ends with the various research programs undertaken by the district including their participation in the Affordable De...