Zero Liquid Discharge (ZLD) Process Utilizes UF to Achieve 98.5% Recovery
An extended mixing zone was no longer permitted. City had to implement a ZLD system which also allows beneficial use of the residual solids.
NF-UF Range Membranes for Water Treatment – Fouling and Concentration Polarization due to NOM
Study to evaluate how biofilm helps to degrade or retain foulants for flux stabilization and improve permeate quality.
The Commissioning of a 10 MGD Membrane Filtration Plant – Key Aspects of Functional and Performance Testing
This paper provides an in depth case study on the functional and performance testing requirements and the commissioning of a 10 MGD surface water “green field” water treatment facility. This […]
The Impact of pH on Inhibitor Form and Performance in Laboratory Evaluations and Field Applications
Scale inhibitor modeling is addressed and level of active speciation of the inhibitor. pH and ionic strength are major factors in scale inhibitor effectiveness and dosing requirements.
What is the Real Total Cost of Ownership of a Low-Pressure Membrane Plant for Drinking Water Production? Comparing 3 Materials: PVDF, PES and CTA
A comparison of Ultrafiltration (UF) and Microfiltration (MF) full scale plants in operation greater than 6 years are evaluated for membranes made with PVDF, PES and CTA. Market share, capital […]
The Case for Removing Post-Disinfection from MBR Treatment
This paper shares data collected over five years from more than 10 MBR facilities in North America, Europe and Australia to offer a benchmark of the long term ability of […]
Performance Testing of the Silicon Valley Advanced Water Purification Center?s 8 MGD Integrated Membrane System to Expand Reuse and Reliability
The Santa Clara Water District with the City of San Jose, CA commissioned the Silicon Valley Advanced Water Purification Center (SVAWPC). The state of the art facility treats secondary effluent […]
The Basics of Reverse Osmosis Technology
Provides a fundamental, detailed descritpon of the building blocks of RO technology and application.
Direct Potable Reuse in Florida
Reclaimed water can be used to augment potable water supplies. There are no current regulations in Florida pertaining to direct potable reuse (DPR). The challenges includes a need for a […]
Role of pre-RO (cartridge) filtration in MBR-RO Systems
Pilot study of an MBR/RO system studying the effectiveness of various pretreatment methods.