Technical Papers | Hydranautics - A Nitto Group Company

Calibrating innovation

Our research & development team delivers solutions with one outcome in mind: to solve the challenges of clean water while shaping the lives of future generations. These solutions come in the form of product application and technology. The technical papers in this section document our solutions.

Browse this large collection of technical papers prepared by our R&D team. And remember, we are always here to answer your questions

Product Application

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Integrated Membrane Solution

HYDRAcap^® MAX UF handles high turbidity feed water at high flux to provide pretreatment for CPA3 RO in a containerized integrated membrane system
Integrated membrane systems
Effect of new pretreatment methods and improved membrane performance on design of RO seawater systems
Integrated membrane desalination systems – current status and projected development
UF/NF treatment of organic laden wastewater in industrial pulp and paper wastewater
Hamriyah SWRO desalination plant- largest seawater IMS plant
Integrated membrane desalination systems – potential benefits of combined technology
Ultrafiltration pre-treatment to RO trials at kindasa water services, Jeddah, Saudi Arabia
Optimization of an industrial wastewater treatment plant through implementation of a membrane bioreactor and reverse osmosis system for reuse
Application of UF combined with a novel low fouling reverse osmosis membrane for reclamation of municipal wastewater
Improved performance and cost reduction of RO seawater systems using UF pretreatment
Integrated membrane system for low fouling RO desalting of municipal wastewater
Wastewater reclamation using UF-RO technology
Capillary UF as RO pretreatment
Improving performance and economics of RO seawater desalting using capillary membrane pretreatment

Industrial Water Treatment

Improve the ZLD performance and optimise the cost by innovative membrane Technology
Benefits of Operating New Thin-Membrane Technology – Paper
Benefits of Using Ultra High Pressures to Treat Industrial Wastewater
New Membranes for Specialty Separations
Subsea Sulfate Removal and Low Salinity Plant Membrane Life Prediction for IOR and EOR
Industrial Wastewater Recycling and Energy Conservation using High Temperature RO Membranes
Silicon wafer manufacturer recycles wastewater using HYDRAcap^® MAX
Integrated HYDRAcap^® MAX UF & CPA3-LD RO system provides process water for chemical plant
Brackish water RO and NF operations on high TDS feed waters
Chemically tolerant NF membranes for aggressive industrial application
Cleaning your RO
Demonstrating improved RO system performance with new low differential (LD) technology
Effect of new generation of low pressure, high salt rejection membranes on power consumption of RO systems
Improvements in RO technology for difficult feed waters
UF/NF treatment of organic laden wastewater in industrial pulp and paper wastewater
Methods for enhanced cleaning of fouled RO elements
Use of spiral wound UF in RO pretreatment
Improvements in spiral wound RO and NF membrane & element construction for high fouling feed water applications
New generation of low fouling nanofiltration membranes
Novel low fouling nanofiltration membranes
Novel ultrafiltration operating process for silicon wafer production waste water reuse
Operational performance and optimization of RO wastewater treatment plants
Optimum RO system design with high area spiral wound elements
Performance advancement in the spiral wound RO/NF element design
Reclamation of sand filter backwash effluent using HYDRAcap LD capillary UF membrane technology
Reverse osmosis membranes for wastewater reclamation
RO water chemistry
The effect of feed ionic strength on salt passage through RO membranes
Optimization of an industrial wastewater treatment plant through implementation of a membrane bioreactor and reverse osmosis system for reuse

Municipal Water Treatment

PFAS RONF Rejection Review
Benefits Of Operating With The New Thin-Membrane Technology In A Municipal Drinking Water RO
Optimized chemical pretreatment and membrane element performance at 10 MGD nanofiltration plant
HYDRAcap^® MAX system solves turbidity and bacteria removal issues at drinking water plant
Hydranautics achieves ETV verification testing for its HYDRAcap^® ultrafiltration capillary membrane
Hydranautics HYDRAcap^® testing at the alameda county water authority
HYDRAcap^TM UF testing at kern river water treatment plant
The environmental technology verification program
Operation of a submerged hollow fiber membrane bioreactor for wastewater treatment on meeting reclamation criteria
Application of UF combined with a novel low fouling RO membrane for reclamation of municipal wastewater
Demonstrating improved RO system performance with new low differential (LD) technology
Field experience with treating municipal effluents using RO membranes
Improvements in RO technology for difficult feed waters
Novel low fouling nanofiltration membranes
Operational performance and optimization of RO wastewater treatment plants
Protecting the public water supply from cryptosporidium using ultrafiltration membrane technology
Selective color removal nanofiltration membrane for the 7 MGD irvine ranch water treatment project
Application of low fouling RO membrane elements for reclamation of municipal wastewater
Wastewater reuse RO plant road from troubled to stable operation
Brackish water RO and NF operations on high TDS feed water
Evaluating the economics of a unique hybrid RO design after three years of treating brackish groundwater
Ft. Lauderdale 12-MGD water treatment plant double hybrid RO and NF design
Integrated membrane system for low fouling RO desalting of municipal wastewater
Optimum RO system design with high area spiral wound elements
Reclamation of sand filter backwash effluent using HYDRAcap LD capillary UF membrane technology
Reverse osmosis membranes for wastewater reclamation
The effect of feed ionic strength on salt passage through RO membranes
Improvements in spiral wound RO and NF membrane & element construction for high fouling feed water applications
Effect of new generation of low pressure, high salt rejection membranes on power consumption of RO systems
Cleaning your RO
Methods for enhanced cleaning of fouled RO elements
Operation of Hydranautics’ new ESNA membrane At St. Lucie West, FL softening plant
Chemically tolerant NF membranes for aggressive industrial applications
Performance advancement in the spiral wound RO/NF element design
Recovery of filter backwash effluent using HYDRAcap UF at seedy mill, south staffs water
RO & NF membrane applications in the Southeastern USA
Use of spiral wound UF in RO pretreatment
Application Of RO desalting technology for potable water production in USA
Demonstrating improved RO membrane performance when reclaiming secondary municipal waste
Implementing energy saving RO technology in large scale wastewater treatment plants
New generation of low fouling nanofiltration membranes
Operation optimization and membrane performance of a hybrid NF plant
Performance of RO when reclaiming high pH – high temperature wastewater
Reduction of membrane fouling and improving elements integrity in municipal wastewater reclamation
RO water chemistry
Wastewater reclamation using UF-RO technology
Design and operation of a hybrid RO system using energy saving membranes and energy recovery to treat southern california ground water

Sea Water Desalination

RO for a ZLD system compared with a conventional SWRO
Development of Anti-Fouling High Pressure RO and Application to ZLD process
TAB110 – chlorination in RO seawater supply lines and pretreatment processes
The unexpected performance of highly permeable SWRO membranes at high temperatures
Split partial second pass design for SWRO plants
Design advantages for SWRO using advanced membrane technology
Hamriyah SWRO desalination plant – largest sea water IMS plant
Optimization of sea water RO systems design
Peculiar or unexpected behavior of silt density index of pretreated seawater for RO desalination
Ultrafiltration pre-treatment to RO trials at kindasa water services, jeddah, Saudi Arabia
Improved performance and cost reduction of RO seawater systems using UF pretreatment
Performance advancement in the spiral wound RO/NF element design
Effect of new pretreatment methods and improved membrane performance on design of RO seawater systems
Analyzing three years of swro plant operation at elevated feed pH to save energy and improve boron rejection
Experience with renewable energy source and SWRO desalination in gran canaria
Improving performance and economics of RO seawater desalting using capillary membrane pretreatment
Optimized removal of boron and other specific contaminants by SWRO membranes
RO water chemistry
Cleaning your RO
Chemically tolerant NF membranes for aggressive industrial applications
Las palmas III, the success story of brine staging
Optimum RO system design with high area spiral wound elements
A pilot study using seawater reverse osmosis membranes in combination with various pretreatments to meet the challenges of pacific seawater desalination

Waste Water Treatment

Cost optimization by using UHPRO in ZLD treat I.W.W
Extending the limitations of reverse osmosis membranes for reclaiming challenging waste waters
The Beenyup Advanced Water Recycling Plant – Australia’s First Large Indirect Potable Reuse Plant
Operation of a submerged hollow fiber membrane bioreactor for wastewater treatment on meeting reclamation criteria
Application of UF combined with a novel low fouling RO membrane for reclamation of municipal wastewater
Demonstrating improved RO membrane performance when reclaiming secondary municipal waste
Chemically tolerant NF membranes for aggressive industrial applications
Use of color removal membranes on waste water treatment in the pulp and paper industry
UF/NF treatment of organic laden wastewater in industrial pulp and paper wastewate
Improvements in spiral wound ro and nf membrane & element construction for high fouling feed water applications
Demonstrating improved RO system performance with new low differential (LD) technology
Implementing energy saving RO technology in large scale wastewater treatment plants
Methods for enhanced cleaning of fouled RO elements
Operational performance and optimization of RO wastewater treatment plants
Reverse osmosis membranes for wastewater reclamation
Wastewater reclamation using UF-RO technology
Optimization of an industrial wastewater treatment plant through implementation of a membrane bioreactor and reverse osmosis system for reuse
Effect of new generation of low pressure, high salt rejection membranes on power consumption of RO systems
Cleaning your RO
RO membrane performance when reclaiming produced water from the oil extraction process
Improvements in RO technology for difficult feed waters
Novel low fouling nanofiltration membranes
Performance advancement in the spiral wound RO/NF element design
RO water chemistry
Wastewater reuse RO plant road from troubled to stable operation
Application of low fouling RO membrane elements for reclamation of municipal wastewater
Field experience with treating municipal effluents using RO membranes
Integrated membrane system for low fouling RO desalting of municipal wastewater
Novel ultrafiltration operating process for silicon wafer production waste water reuse
Reduction of membrane fouling and improving elements integrity in municipal wastewater reclamation
The effect of feed ionic strength on salt passage through RO membranes

Product Technology

PRO Series

New Specialty Membrane Products for Challenging Industrial Wastewaters

Reverse Osmosis (RO)

Capitalizing on the latest advancements in reverse osmosis membrane technology
Established practices, innovative design, and new products: A new generation of ultra high pressure desalination
Why your RO membrane cleaning may not be effective. The benefits of reverse cleaning.
Produced water desalination using High Temperature Reverse Osmosis (HTRO) membranes
The environmental technology verification program
Integrated membrane systems
Effect of new generation of low pressure, high salt rejection membranes on power consumption of reverse osmosis systems
Analyzing three years of SWRO plant operation at elevated feed pH to save energy and improve boron rejection
Split partial second pass design for SWRO plants
Brackish water RO and NF operations on high TDS feed waters
Demonstrating improved RO membrane performance when reclaiming secondary municipal waste
Field experience with treating municipal effluents using RO membranes
Implementing energy saving RO technology in large scale wastewater treatment plants
Integrated membrane desalination systems – current status and projected development
Las palmas III, the success story of brine staging
Optimization of seawater RO systems design
Performance of RO when reclaiming high pH – high temperature wastewater
RO water chemistry
Wastewater reclamation using UF-RO technology
Capillary UF as RO pretreatment
Demonstrating improved RO system performance with new low differential (LD) technology
Ft. Lauderdale 12-MGD water treatment plant double hybrid RO and NF design
Improved performance and cost reduction of RO seawater systems using UF pretreatment
Integrated membrane desalination systems – current status and projected development
Methods for enhanced cleaning of fouled RO elements
Optimum RO system design with high area elements
Reduction of membrane fouling and improving elements integrity in municipal wastewater reclamation
The effect of feed ionic strength on salt passage through RO membranes
Wastewater reuse RO plant road from troubled to stable operation
Design and operation of a hybrid RO system using energy saving membranes and energy recovery to treat southern california ground water
Effect of new pretreatment methods and improved membrane performance on design of RO seawater systems
RO membrane rerformance when reclaiming produced water from the oil extraction process
Optimization of an industrial wastewater treatment plant through implementation of a membrane bioreactor and reverse osmosis system for reuse
The unexpected performance of highly permeable SWRO membranes at high temperatures
Application of low fouling RO membrane elements for reclamation of municipal wastewater
Cleaning your RO
Design advantages for SWRO using advanced membrane technology
Evaluating the economics of a unique hybrid ro design after three years of treating brackish groundwater
Chemically tolerant NF membranes for aggressive industrial applications
Improvements in RO technology for difficult feed waters
Integrated membrane system for low fouling RO desalting of municipal wastewater
Operational performance and optimization of RO wastewater treatment plants
Peculiar or unexpected behavior of Silt density index of pretreated seawater for RO desalination
Reverse osmosis membranes for wastewater reclamation
Improvements in spiral wound RO and nf membrane & element construction for high fouling feed water applications
Application of RO desalting technology for potable water production in USA
Experience with Renewable energy source and SWRO desalination
Hamriyah SWRO desalination plant – largest sea water IMS plant
Improving performance and economics of RO seawater desalting using capillary membrane pretreatment
Optimization of seawater RO systems design
Performance advancement in the spiral wound RO/NF element design
RO & NF membrane applications in the southeastern USA
Ultrafiltration pre-treatment to RO trials at kindasa water services, jeddah, Saudi Arabia
A pilot study using seawater reverse osmosis membranes in combination with various pretreatments to meet the challenges of pacific seawater desalination

Nanofiltration (NF)

Subsea Sulfate Removal and Low Salinity Plant Membrane Life Prediction for IOR and EOR
Integrated membrane systems
Cleaning your RO
Integrated membrane desalination systems - potential benefits of combined technology
Novel low fouling nanofiltration membranes
Performance advancement in the spiral wound RO/NF element design
Selective color removal nanofiltration membrane for the 7 MGD irvine ranch water treatment project
Application of RO desalting technology for potable water production in USA
Ft. Lauderdale 12-MGD water treatment plant double hybrid RO and NF design
Performance of RO when reclaiming high pH – high temperature wastewater
The effect of feed ionic strength on salt passage through RO membranes
Improvements in spiral wound RO and nf membrane & element construction for high fouling feed water applications
Brackish water RO and NF operations on high TDS feed waters
Use of color removal membranes on waste water treatment in the pulp and paper industry
Operation of Hydranautics’ new ESNA membrane At St. Lucie West, FL softening plant
RO & NF membrane applications in the southeastern USA
UF/NF treatment of organic laden wastewater in industrial pulp and paper wastewater
Chemically tolerant NF membranes for aggressive industrial application
Integrated membrane desalination systems – current status and projected development
Operation optimization and membrane performance of a hybrid NF plant
Optimum RO system design with high area spiral wound elements
RO water chemistry

Ultrafiltration (UF) / Microfiltration (MF)

HYDRAcap^® MAX UF handles high turbidity feed water at high flux to provide pretreatment for CPA3 RO in a containerized integrated membrane system
Silicon wafer manufacturer recycles wastewater using HYDRAcap^® MAX
HYDRAcap^® MAX system solves turbidity and bacteria removal issues at drinking water plant
Integrated HYDRAcap^® MAX UF & CPA3-LD RO system provides process water for chemical plant
Hydranautics achieves ETV verification testing for its HYDRAcap^® ultrafiltration capillary membrane
Hydranautics HYDRAcap^® testing at the alameda county water authority
HYDRAcap^TM UF testing at kern river water treatment plant
Integrated membrane systems
Effect of new pretreatment methods and improved membrane performance on design of RO seawater systems
Integrated membrane desalination systems – current status and projected development
Novel ultrafiltration operating process for silicon wafer production waste water reuse
Recovery of filter backwash effluent using HYDRAcap UF at seedy mill, south staffs water
Use of spiral wound UF in RO pretreatment
Optimization of an industrial wastewater treatment plant through implementation of a membrane bioreactor and reverse osmosis system for reuse
Hamriyah SWRO desalination plant – largest sea water IMS plant
Integrated membrane desalination systems – current status and projected development
Wastewater reclamation using UF-RO technology
Application of UF combined with a novel low fouling RO membrane for reclamation of municipal wastewater
Operation of a submerged hollow fiber membrane bioreactor for wastewater treatment on meeting reclamation criteria
Improved performance and cost reduction of RO seawater systems using UF pretreatment
Integrated membrane system for low fouling RO desalting of municipal wastewater
Protecting the public water supply from cryptosporidium using ultrafiltration membrane technology
UF/NF treatment of organic laden wastewater in industrial pulp and paper wastewater
Capillary UF as RO pretreatment
Improving performance and economics of RO seawater desalting using capillary membrane pretreatment
Reclamation of sand filter backwash effluent using HYDRAcap LD capillary UF membrane technology
Ultrafiltration pre-treatment to RO trials at kindasa water services, jeddah, Saudi Arabia