Water treatment agents encompass a wide range of chemicals and substances used to treat and purify water for various applications. Here is a comprehensive list of commonly used water treatment agents:
- Coagulants:
- Aluminum sulfate (Alum)
- Ferric chloride
- Polymeric coagulants (polyaluminum chloride, polyacrylamide)
- Flocculants:
- Cationic flocculants (polyelectrolytes)
- Anionic flocculants (polyelectrolytes)
- Non-ionic flocculants (polyelectrolytes)
- Disinfectants:
- Chlorine gas
- Sodium hypochlorite
- Calcium hypochlorite
- Chloramines
- Chlorine dioxide
- Ozone
- UV light
- pH Adjusters:
- Sodium hydroxide (caustic soda)
- Sodium carbonate (soda ash)
- Sulfuric acid
- Hydrochloric acid
- Lime (calcium hydroxide)
- Scale Inhibitors/Antiscalants:
- Corrosion Inhibitors:
- Orthophosphates
- Silicates
- Nitrites
- Molybdates
- Film-forming inhibitors (ammonia, morpholine)
- Oxidizing Biocides:
- Bromine-based biocides
- Chlorine-based biocides
- Peroxygen compounds (peracetic acid, hydrogen peroxide)
- Non-Oxidizing Biocides:
- Quaternary ammonium compounds (benzalkonium chloride)
- Isothiazolinones
- Glutaraldehyde
- Dodecylbenzenesulfonic acid
- Adsorbents:
- Activated carbon
- Ion exchange resins
- Filtration Media:
- Sand
- Anthracite
- Activated alumina
- Granular activated carbon
- Defoamers/Antifoaming Agents:
- Silicone-based defoamers
- Polyethylene glycol-based defoamers
- Mineral oil-based defoamers
- pH Buffers:
- Sodium bicarbonate
- Sodium phosphate
- Borax
- Sequestering Agents:
- EDTA (ethylene diamine tetraacetic acid)
- NTA (nitrilotriacetic acid)
- Citric acid
- Membrane Cleaners:
- Acidic cleaners
- Alkaline cleaners
- Enzymatic cleaners
Please note that the selection and use of water treatment agents depend on specific water quality parameters, treatment objectives, and regulatory requirements. It is essential to follow manufacturer guidelines and consult with water treatment professionals to determine the appropriate agents and their dosages for your specific water treatment needs.