New on our website!!

• patents about water treatment - A list of selected patents from the last decade dealing with water treatment
• Elements in water - properties, health and environmental impact and other interesting features!
• Flood - an overview of major floods and flood protection innovations
• Galvanic industries
• History of the periodic table
• History of water treatment
• HOKE Needle valves
• Liquid Filtration
• Mineral water
• Mission statement of Lenntech
• Periodic table - chart of all chemical elements
• Phosphorous removal from wastewater
• Seawater desalination
• Silica Break Through of Demineralizers
• Small community water supplies
• Static mixers and venturi
• Textile industry
• Water born diseases
• Water and vitamins
• Water astrology
• Water intoxication
• Water mythology
• Water treatment universities

Patents

• Desalination methods
• Seawater desalination
• Backish water desalination
• Desalination pre-treatments
• Desalination for irrigation
• Desalination Boron
• Desalinators
• EDI (ElectroDeIonisation)
• Ion exchange for water treatment
• Demineralisation with Ion exchange
• Boiler feedwater Ion exchange
• Softening with Ion exchange
• NOM removal with Ion exchange
• Ion exchange resins
• Ion exchange selectivity

Calculators

• Calculators: Osmotic pressure calculator, Ion exchange calculator, Design characteristics for a municipal wastewater treatment plant calculation Molecular Weight Calculator rainfall energy of heating water
• Unit calculators: length surface volume pressure temperature mass-weight
  process flow volume flow dynamic viscosity kinematic viscosity concentration (ppm)

Odour and Odour Treatment

• Biofilter
• Ecosorb
• Odour control
• Odour in food
• Odour information
• Odour secretion by animals

Water and Water Treatment - try our Water treatment decision path

• Water treatment
• Process Water --> Filtration ¦ Ion Exchange ¦ Adsorption ¦ Iron Removal ¦ Softening ¦ Disinfection ¦ Desalination
• Drinking Water
• Disinfection --> UV ¦ Ozone ¦ Chlorine Dioxide

  UV --> Effluent ¦ Pools ¦ Domestic ¦ Surface disinfection ¦ Hydroponic ¦ Sugar Syrup disinfection ¦ Legionella ¦ UV info ¦ BlueLight ¦ Lamp replacement ¦ Intensity --> Application of UV and Ozone Ozone --> Ozone Generators ¦ Ozone data ¦ FAQ Ozone ¦ Ozone injection --> Static mixer ¦ Update your generator! ¦ Ozone resistant materials

• Waste Water --> Physical/Chemical ¦ Biological ¦ Filtration ¦ Oxidation ¦ Disinfection
  Selective cation ion-exchange for the removal of heavy metals ¦ Parabolic screen ¦ ¦ De-nutrifier ¦ Pre-fermer ¦ Sewage resourcer
• Water recycling --> Cost comparison and more info ¦ IE calculator
• Oxidation --> Catalytic Wet Air Oxidation
• Books on water treatment
• An alternative for automatic waste water neutralization plants
• Rapid separation of sand from water
• Ballast water treatment
• Pure water
• Deionised, demineralised water
• Ultrafiltration
• Nanofiltration
• Surface water
• Curved screens / sieves
• Agriculture
• Mobile water treatment
• Filtration
• Freshwater toxicology
• Arsenic in water
• Boiler Feed water
• Bottled water
• Car wash installations water treatment
• Cartridge filter type Lenn-LX melt blown
• Chemical cleaning
• Cleaning in CIP processes
• Corrosion treatment
• Design characteristics for a municipal wastewater treatment plant calculation
• Disinfection with CIP
• Dowex Ionexchange Resins
• Drinking water standards
• Drinking water preparation process
• Electrolysis
• Groundwater pages
• Health risks from drinking demineralized water
• Natural treatment of wastewater
• Pharmaceutical remains in waste water
• Lenntech can now provide you with pooltesters and poolcheck material
• Pulp and paper industry water treatment
• Risks and health effects of outdoor swimming
• Specific questions on water quantities
• Testomat Eco and 2000
• Turbidity
• Ultra Pure water
• Water analyses are performed by Lenntech
• Water FAQ (frequently asked questions) - New: Water energy FAQ, Water ecology FAQ and Water microbiology FAQ
• Water Glossary
• water recycling overview in industry
• Water reuse in food and beverage industry
• Water reuse in paper and cellulose industry
• Water reuse in textile industry
• Water treatment and reuse of oily wastewater
• Water reuse in poultry industry
• Water disinfection and reuse in greenhouse horticulture
• Water savings and reuse for cooling processes in which
  surface and ground water is used
• Water reuse for agricultural irrigation
• Water softener
• Water proverbs and sayings
• Water treatment chemicals
• Acid water treatment
• Water trivia and facts
• YStrainer
• Zero discharge of water

Air and Air Treatment

• Air purification
• FAQ Air
• Humidification and Dust Suppression
• International different nomenclature for explosive limits
• Solubility in water

• Desalination installations
• Desalination installations system design
• Desalination pre-treatment
• Desalination with RO modules
• Electro dialysis
• Membrane cleaning
• Membrane filtration management
• Membrane fouling
• Membrane technology
• Membranes and membrane systems for sale
• Micro filtration
• Micro filtration and ultra filtration
• Nano filtration
• Nano filtration and Reverse Osmosis
• Particles, scaling and biofouling
• Performance influence factors for RO systems
• Plate & frame membranes
• Reverse Osmosis
• Reverse Osmosis chemicals
• RO installations cleaning
• Tubular-shaped membranes
• Ultra filtration

• EcoPure ozone
• OT AM Series ozone
• Ozone measurement new
• Ozone overview

• Acrylonitrile
• Arsenic
• Biocides
• Carbon dioxide
• Heavy metals information
• Nitrate and nitrite
• Nitrite
• Particulate matter
• RO-chemicals

• Acid deposition
• Environmental disasters
• Environmental effects of war
• Environmental impact of volcanic eruption
• Eutrophication of water bodies
• Flood
• Matter cycles and Matter cycles and pollution caused by human interference
• Overview of environmental problem pages
• Restoring water systems in Iraq

Products

• Ecosorb --> What is Ecosorb ¦ Technology ¦ Applications ¦ Test results ¦ MSDS

  Ecosorb Technology --> High pressure ¦ Humidifan ¦ Air driven nozzles ¦ Vane Cage scrubber Ecosorb Applications --> paper industry ¦ asphalt production ¦ more applications

• Ozone generators --> OT Series ¦ AM Series ¦ Oxygen generators ¦ Ozone Sensor ¦ Ozone disinfection ¦ Air Dryer
• UV Disinfection --> Effluent ¦ Pools ¦ Domestic ¦ Legionella ¦ UV info
• Filtration --> Drumfilter ¦ Discfilter ¦ Reversed Osmosis ¦ Cartridge filters ¦ Atlas Filtri
• EcoPure Disinfection ¦ Photozone
• Analytical Equipment --> Ozone in water ¦ Ozone Ambient ¦ Ozone Ambient new¦ Ozone High Concentration
• Oxygen High Concentration
• Cooling Towers --> Cooling Tower water monitoring ¦ Cooling water ozonisation
• Biofilter
• TerraZyme Soil Stabilisation
• Metallyse
• Infrared (IR) evaporation unit
• Bag Filter
• Demisters
• Demi water
• Evaporators

Applications

• Disinfection --> UV ¦ Ozone ¦ Chlorine Dioxide ¦ Disinfection of whirlpools
• Process water treatment --> Iron Removal ¦ Softening ¦ Ion Exchange ¦ Disinfection
• Waste water treatment --> Physical/Chemical ¦Screening¦ Biological ¦ Filtration ¦ Oxidation ¦ Disinfection
• Cooling Tower water treatment ¦ cooling towers
• Ozone disinfection for horticulture
• Legionella Control
• Biofilm Control

Library

• Acrylonitrile
• Books on water, water treatment, environment and chemistry and ozone treatment, membrane technology
• Composition of seawater
• Environmental quiz
• FAQ's --> FAQ Air ¦ FAQ Water ¦ FAQ Ozone ¦ FAQ UV ¦ FAQ Chlorine Dioxide
• Global warming
• Industry Links
• Reports
• Standards
• Pure Water
• Water astrology
• Water mythology
• Why oxygen dissolved in water is important
• Worldwide drinking water regulation and distribution

• Overview suggested Topics

Search

• Search by keyword
• A list of meanings and explanations (Glossary) to water related abbreviations and acronyms
• Site overview
• Partners, agents and distributors
• Route description

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