Basic Understanding of NF and RO Processes
The presentation begins with a discussion on fundamental desalting concepts and the influence of salinity on operating pressures for brackish and seawater systems. Typical operation and maintenance costs are also […]
Converting from Lime Softening to Reverse Osmosis and Iron Removal
This presentation discusses the conversion of the City of Allegan Water Plant from a lime softening facility to a reverse osmosis (RO) facility for the treatment of groundwater. The presentation […]
Advancements in Green Chemistry for Membrane Systems
This presentation discusses the development, testing, and applicability of green chemical cleaning and antiscalant products for reverse osmosis (RO) processes. The presentation begins with an overview of the goals of […]
The Alphabet Soup of Membrane Abbreviations
This presentation provides a general overview of terminology for low pressure (microfiltration/ultrafiltration) and high pressure (nanofiltration/reverse osmosis) membranes. The low pressure membrane discussion includes a description of log removal values […]
In Field Troubleshooting and Cleaning
This presentation from a preconference workshop in 2014 that addressed Optimizing Performance and Troubleshooting Techniques for Membrane Plants. IN field troubleshooting along with cleaning recommendations were given. Normalization of data […]
Arsenic Removal from Water by Reverse Osmosis
The paper describes a project to investigate the rejection efficiencies of a membrane element for arsenite (As III) and arsenate (As V). In this study, the efficiency of arsenic removal […]
The Effect of Coagulation on Mno2(S) Suspension and Low-Pressure Membrane Fouling Control
This poster presentation describes the examination of the effect of MnO2(S) on membrane fouling when it is used as a coagulant for organic materials. Therefore, this research carried out experiments […]
Redefining Maximum Achievable Mixed Liquor Suspended Solids Concentrations in Membrane Bioreactors: Introducing Dissolved Oxygen in Membrane Bioreactors by Means of an Innovative Delivery Technology
The oxygen transfer efficiency in the aeration process plays a large role in determining the size and footprint of MBR equipment. Higher concentrations of MLSS tend to restrict the oxygen […]
Evaluating and Testing Ceramic Membranes to Expand Treatment Capacity
Results from the City of El Dorado?s (Kansas) pilot testing and information about the applicability of ceramic membranes are presented, as well as the capital and operating cost comparison of […]
UF-RO with Novel Pretreatment for a 15 mgd Water Supply Project
The Donna Bay Estuarine System located near Sarasota Florida was identified as a potential source of potable water. This project developed a treatment train comprised biological roughing filter for taste […]
