Description
Reverse Osmosis Water Treatment
What you will learn:
Learn the basics of how RO units work and understand common problems caused by scaling, fouling and chemical attack. Learn how to monitor, troubleshoot and clean RO Units and some pre-treatment requirements of a membrane system.
Overview of Topics
There are eleven (11) one hour training units for this course:
- Membranes & Membrane Elements I
- Membranes & Membrane Elements II
- Reverse Osmosis Operation
- Reverse Osmosis Problems
- Monitoring Reverse Osmosis Units
- Chemical Cleaning of RO Units
- Troubleshooting RO Units
- Controlling RO Unit Scaling
- Controlling Membrane Chemical Attack
- Activated Carbon Pre-treatment
- Controlling RO Fouling
Membranes & Membrane Elements I
-
- Introduction
- Hyperfiltration
- Semipermeable Membranes
- Osmosis
- Reverse Osmosis
Membranes & Membrane Elements II
-
- Net Driving Pressure
- Temperature
- Salt Passage or Salt Flux
- Passage of Uncharged Substances
- Summary of Membrane Performance
- Membrane Elements
Reverse Osmosis Operation
-
- Pressure Vessels
- RO Units
- RO Unit Operation: Flow Rates
- RO Unit Operation: Feed Water Salt Concentration
- RO Unit Operation: Permeate Salt Concentration
- RO Unit Operation: Pressure
- RO Unit Operation: Summary
Reverse Osmosis Problems
-
- Introduction
- Scaling
- Fouling
- Chemical Attack
- Percent Recovery
- Scale Control Within an RO Unit
- Fouling Control Within an RO Unit
Monitoring Reverse Osmosis Units
-
- Monitoring
- Monitoring: Normalized Permeate Flow (NPF)
- Monitoring: Pressure Drops
- Monitoring: Percent Salt Rejection (% SR)
- Monitoring: Profiling
- Instrumentation
Chemical Cleaning of RO Units
-
- Introduction
- Game Plan To Remove Scalants
- Game Plan To Remove Foulants
- Chemical Cleaning Equipment
- Good Cleaning Procedure
Troubleshooting RO Units
-
- Troubleshooting: High Conductivity from one PV
- Troubleshooting: Scaling
- Troubleshooting: Fouling
- Troubleshooting: Chemical Attack
Controlling RO Unit Scaling
-
- Pre-treatment to Control Scaling: Introduction
- Pre-treatment to Control Scaling: Acid Injection
- Pre-treatment to Control Scaling: Scale Inhibitor Injection
- Pre-treatment to Control Scaling: Softening
- Monitoring to Control Scaling: pH, Hardness & Alkalinity
Controlling Membrane Chemical Attack
-
- Pre-treatment & Monitoring to Control Chemical Attack: pH
- Pre-treatment & Monitoring to Control Chemical Attack: Activated Carbon
- Pre-treatment to Control Chemical Attack: Sulphite Injection
- Monitoring to Control Chemical Attack: ORP & Chlorine
Activated Carbon Pre-treatment
-
- Activated Carbon Vessels
- Activated Carbon: Normal Service
- Activated Carbon: Backwashing
- Activated Carbon: Organics Removal
- Activated Carbon: Sanitization
Controlling RO Fouling
-
- Pre-treatment to Control Fouling: Clarification
- Pre-treatment to Control Fouling: Media Filtration
- Pre-treatment to Control Fouling: Reverse Osmosis Unit Pre-Filtration
- Pre-treatment to Control Fouling: Silt Dispersant Injection
- Pre-treatment to Control Fouling: Silt Density Index
