Use of Color Removal Membranes on Waste Water Treatment in the Pulp and Paper Industry Craig Bartels, Rich Franks, and Keith Andes

Operational Performance and Optimization of RO Wastewater Treatment PlantsR.BODA, W.T.BATES, C.R.BARTELS, PhD

Demonstrating Improved RO System Performance with New Low Differential (LD) Technology Rich Franks, Craig Bartels, PhD., Alex Anit, Hydranautics, Oceanside, CA.

DESIGN AND OPERATION OF A HYBRID RO SYSTEM USING ENERGY SAVING MEMBRANES AND ENERGY RECOVERY TO TREAT SOUTHERN CALIFORNIA GROUND WATER Alex Anit, Rich Franks, Craig Bartels, Ph.D. Hydranautics Srinivas Veerapaneni (Vasu), Ph.D., P.E. Black & Veatch Corporation Anthony Emmert , David Birch, City of Oxnard

Operation of a Submerged Hollow Fiber Membrane Bioreactor for Wastewater Treatment on Meeting Reclamation Criteria Benjamin Freeman1, Naomi Jones1, Craig Bartels1, Shinya Sunano2, Takanori Itonaga3

ADVANCING THE USE OF INTEGRATED MEMBRANE BIOREACTOR-REVERSE OSMOSIS TECHNOLOGY TO RECLAIM WASTERWATER THRU PILOT TESTING Benjamin Robert Freeman (Nitto Denko/Hydranautics, Oceanside, CA) Steven Peck, Naomi Drossos, Toshiyuki Kawashima, Rich Franks (Nitto Denko/Hydranautics, Oceanside, CA), Dr. Takanori Itonaga, Yasao Oda (Mitsubishi Rayon Engineering, Toyohashi, Japan)

BRACKISH WATER RO AND NF OPERATIONS ON HIGH TDS FEED WATERS Wayne T. Bates, Dr. Craig Bartels, Kirk Lai

Split partial second pass design for SWRO plants Stefan Rybar, Roman Boda, Dr. Craig Bartels

IMPROVEMENTS IN SPIRAL WOUND RO AND NF MEMBRANE & ELEMENT CONSTRUCTION FOR HIGH FOULING FEED WATER APPLICATIONS Rich Franks, Dr. Craig Bartels, Wayne T. Bates

RO Membrane Performance when Reclaiming Produced Water from the Oil Extraction Process Rich Franks, Craig Bartels, Alex Anit, LNSP Nagghappan

Hamriyah SWRO Desalination Plant – Largest Sea Water IMS Plant Guido Codemo - Head of Process - Desalination, Aqua Engineering GmbH Ali A. Rahim Awadalla - Hamriyah Station Manager - SEWA Malcolm J. Parker - Manager - Technical Affairs - SEWA John Banham - Manager UF Technology, Hydranautics - A Nitto Denko Company Dr. Stefan Rybar - Consultant

Optimized Removal of Boron and Other Specific Contaminants by SWRO MembranesCraig R. Bartels, PhD, Stefan Rybar, PhD, Keith Andes and Rich Franks

RO & NF MEMBRANE APPLICATIONS IN THE SOUTHEASTERN USARocco J. Cuozzo, Hydranautics, Municipal Marketing Manager-USA/Canada

Performance of a Reverse Osmosis System when Reclaiming High pH - High Temperature Wastewater Rich Franks, Manger of RO Applications and Technical Support - Craig Bartels PhD, Vice President of Technology

Ft. Lauderdale 12-MGD Water Treatment Plant: Double Hybrid RO and NF Design Kirk Lai Hydranautics Field Service Engineer Buda, TX. Wayne Bates Hydranautics Technology Department Staff Engineer Rockton, IL. Dr. Craig Bartels Hydranautics Technology Department Vice President Oceanside, CA.

Design Advantages for SWRO using Advanced Membrane TechnologyCraig R Bartels, PhD, Rich Franks, Wayne Bates

Optimum RO System Design with High Area Spiral Wound Elements Craig Bartels Ph. D, Masahiko Hirose, Stefan Rybar Ph. D and Rich Franks Hydranautics A Nitto Denko Company. Oceanside, CA

A PILOT STUDY USING SEAWATER REVERSE OSMOSIS MEMBRANES Rich Franks, Hydranautics, Oceanside, CA Dr. Mark Wilf, Hydranautics, Oceanside, CA Nikolay Voutchkov, Poseidon Resources, San Diego, CA Pravin Murkute, Hydranautics, Oceanside, CA Jason Kizer, Zenon Environmental, San Diego, CA

Implementing Energy Saving RO Technology in Large Scale Wastewater Treatment Plan Rich Franks, Craig R. Bartels, Keith Andes – Hydranautics, Mehul Patel – Orange County Water District and Tian Xian Yong-Keppel Seghers

Performance advancement in the spiral wound RO/NF element design Craig Bartels Ph. D, Masahiko Hirose, Hiroki Fujioka* Hydranautics - A Nitto Denko Company. Oceanside, CA *Nitto Denko, Kusatsu, Japan. Presented at April, 2007 EDS Conference, Halkidiki, Greece.

New Generation of Low Fouling Nanofiltration Membranes Craig Bartels Ph.D., Kirk Lai, Mark Wilf Ph. D. Presented at April, 2007 EDS Conference, Halkidiki, Greece.

Integrated Membrane Desalination Systems - Potential Benefits of Combined Technology. Craig Bartels Ph.D., Stefan Rybar Ph.D., and Rich Franks

Integrated Membrane Desalination Systems - Current Status and Projected Development. Craig Bartels Ph.D., and Mark Wilf Ph. D.

The effect of feed ionic strengt on salt passage through RO membranes Craig Bartels, Rich Franks, Stefan Rybar, Manfred Schierach, Mark Wilf, March 2005

Novel Low Fouling Nanofiltration Membranes Craig Bartel Ph. D, Warren Casey

Fundamentals of RO-NF technology Mark Wilf

Chemically Tolerant NF Membranes for Aggressive Industrial Application Craig Bartels, Rich Franks, Jeff Campbell June 2006

Integrated Membrane System for Low Fouling RO Desalting of Municipal Wastewater Craig Bartels, Rich Franks, Ryan Furukawa, Pravin Murkute, Uri Papukchiev June 2006

Optimization of seawater RO systems design Mark Wilf, Craig Bartels

Reverse Osmosis Membranes for Wastewater Reclamation Craig Bartels

Experience with Renewable Energy Source and SWRO Desalination in Gran Canaria Stefan Rybar, Mariana Vodnar, Florin Vartolomei, Roberto Leon Mendez, Juan Blas Lozano Ruano

Ultrafiltration Pre-treatment to RO: Trials at Kindasa Water Services, Jeddah, Saudi Arabia Dr Graeme K. Pearce (Hydranautics, UK), Ms Julie Allam (Kalsep, UK), Kamran Chida (Bushnak, Saudi Arabia)

Recovery of Filter Backwash Effluent using HYDRAcap UF at Seedy Mill, South Staffs Water Dr Graeme K Pearce, Hydranautics UK, Ms Julie Allam and Javier Suarez, Kalsep, and David James, Purac

Peculiar or unexpected behavior of Silt Density Index of pretreated seawater for RO desalination. By Hiroshi Iwahori of Nitto Denko. Presented at the 2003 IDA Conference.

Selective Color Removal Nanofiltration Membrane for the 7 MGD Irvine Ranch Water Treatment Project Craig R. Bartels Ph D. and Mark Wilf Ph D., of Hydranautics, Oceanside, CA, September 2002

Las Palmas III, The Success Story Of Brine Staging Juan A. Reverter. and Santi Talo Hydranautics, Barcelona, Spain. Javier Alday, Production Director, March 2001

New Composite Membrane and Element Configuration for Reclamation of Heavy Fouling Waters Mark Wilf,

Reclamation of Sand Filter Backwash Effluent using HYDRAcap LD Capillary UF Membrane Technology Mark Wilf, , Graeme Pearce , of Hydranautics, Oceanside, CA, and Julie Allam MSc., Javier Suarez BSc., of Kalsep Ltd, Camberley, UK

Protecting the Public Water Supply from Cryptosporidium using Ultrafiltration Membrane Technology: A Case Study at Bristol Water, in the UK Dr. G. K. Pearce (Hydranautics), M. Heijnen (Kalsep), and J. Reckhouse (Bristol Water), October 2001

Use of Spiral Wound UF in RO Pretreatment Harry Dalaly, Asia Pacific Sales Manager, Hydranautics and Yeoh Cheik How, Facilities Senior Engineer, Hewlett-Packard Singapore, August 2001

Application Of UF Combined With A Novel Low Fouling RO Membrane For Reclamation Of Municipal Wastewater Graeme Pearce, PhD; Mark Wilf, PhD; Steven Alt and Juan Reverter, August 2001

Application Of Low Fouling RO Membrane Elements For Reclamation Of Municipal Wastewater Mark Wilf, Ph.D. And Steven Alt, September 2000

Integrated Membrane Systems Wayne Bates & Rocco Cuozzo, August 2000

Capillary UF As RO Pretreatment Wayne Bates, October 1999

Improved Performance And Cost Reduction Of RO Seawater Systems Using UF Pretreatment Mark Wilf, Ph.D. And Kenneth Klinko, July 1999

Reduction Of Membrane Fouling And Improving Elements Integrity In Minicipal Wastewater Reclamation Mark Wilf, Ph.D. And Steven Alt, May 1999

Comparison Of Membrane Technologies For Treatment Of Municipal Effluents Mark Wilf, Ph.D., January 1999

Improving Performance And Economics Of RO Seawater Desalting Using Capillary Membrane Pretreatment Mark Wilf, Ph.D. And Kenneth Klinko, June 1998

Field Experience With Treating Municipal Effluents Using RO Membranes Mark Wilf, Ph.D., May 1998

Wastewater Reclamation Using UF/RO Technology Mark Wilf, Ph.D., May 1998

Advanced Membrane Technology For Water Reclamation Mark Wilf, Ph.D., March 1998

Application Of RO Desalting Technology For Potable Water Production In USA Mark Wilf, Ph.D., November 1997

Effect Of New Pretreatment Methods And Improved Membrane Performance On Design Of RO Seawater Systems Mark Wilf, Ph.D. And Kenneth Klinko, September 1997

Effect Of New Generation Of Low Pressure, High Salt Rejection Membranes On Power Consumption Of RO Systems Mark Wilf, Ph.D., September 1997

Operation Of Hydranautics' New ESNA Membrane At St. Lucie West, FL Softening Plant Ilan Wilf & Scott Rappoport, May 1997

Optimization Of Seawater RO Systems Design Mark Wilf, Ph.D. And Kenneth Klinko

Cleaning Your RO Wayne Bates

RO Water Chemistry Wayne Bates

New Membrane Research & Development Achievements Ilan Wilf

Seawater RO Optimization Mark Wilf, Ph.D. And Craig Bartels, Ph.D.

 Hydranautics Design and Engineering Information

The following information is provided to assist the designers and operators of Reverse Osmosis equipment understand the principles and technology of Reverse Osmosis.

Theory and Overview of RO

What is Reverse Osmosis? – A layman's introduction to basic RO principles

Terms and Equations – An in-depth review of the terms and equations used in RO

Commercial RO Technology – A history and review of different types of RO membranes and configurations on the market.

Design Aspects for RO 

Flow Configurations – An explanation of how systems should be constructed, with examples of the "pyramid" structure for vessels, the use of throttling, and the use of interstage boosters.

RO sizing – Guidelines for sizing your RO system.

Hydranautics' Design Limits -- A summary of design limits for a system.

Getting the most out of your RO system 

Pretreatment – Useful information on a very important topic for RO systems: How to pretreat the water going to an RO system.

Fouling – An overview of Organic and Inorganic foulants, how they occur, and how they can be prevented.

Cleaning – Information on cleaning systems, how to size an RO system, and methods to clean your RO system.

Troubleshooting – A guide to common problems that occur in RO systems, and how to overcome them.

---