AQUChem

Technical Resources

Water treatment chemical guides · Product how-tos · Industry solutions

108 articles
How-to Guides

How to Use PolyDADMAC as a Primary Coagulant in Water Treatment

Practical guide to diluting, dosing, and applying PolyDADMAC for drinking water treatment, dyeing wastewater decolorization, and DAF pretreatment — covering dilution, dosing ranges, jar testing, monitoring, and the critical difference between charge neutralization and bridging flocculation.

5 min
How-to Guides

How to Use Polyether Defoamer in Industrial Water Treatment

Practical guide to selecting, dosing, and applying polyether defoamer — covering application method, dose optimization, troubleshooting, and common mistakes.

5 min
How-to Guides

How to Use Powder Defoamer in Dry-Mix Industrial Applications

Practical guide to selecting, dosing, and applying powder defoamer — covering application method, dose optimization, troubleshooting, and common mistakes.

5 min
How-to Guides

How to Use PPCA (Phosphino Polycarboxylic Acid) as a Scale and Corrosion Inhibitor

Practical guide to preparing, dosing, and applying PPCA (Phosphino Polycarboxylic Acid) — covering dosing ranges for CaCO₃/CaSO₄/iron scale inhibition, high-temperature systems, phosphorus discharge-restricted sites, monitoring, and common mistakes.

5 min
How-to Guides

How to Use Quicklime (CaO) for Deep Sludge Conditioning

Practical guide to applying quicklime (CaO) for deep sludge conditioning and stabilization — achieving cake moisture below 40% DS, pH > 12 pathogen kill, and pasteurization by exothermic hydration. Includes prominent safety warnings for the exothermic, caustic, and dust hazards involved.

5 min
How-to Guides

How to Use RO Antiscalant (General Purpose) in Water Treatment

Practical guide to preparing, dosing, and applying RO Antiscalant (General Purpose) — covering dissolution, dosing ranges, monitoring, and common mistakes.

5 min
How-to Guides

How to Use RO Membrane Biocide (DBNPA-Based) in Water Treatment

Practical guide to preparing, dosing, and applying RO Non-Oxidising Biocide — covering shock dosing protocol, membrane compatibility, monitoring, and common mistakes.

5 min
How-to Guides

How to Use RO Membrane Acidic CIP Cleaner in Water Treatment

Practical guide to preparing, dosing, and applying RO Membrane Acidic Cleaner — covering CIP procedure, flux recovery, pH control, and common mistakes.

5 min
How-to Guides

How to Use RO Membrane Alkaline CIP Cleaner in Water Treatment

Practical guide to preparing, dosing, and applying RO Membrane Alkaline CIP Cleaner — covering biofilm removal, organic fouling, CIP procedure, and common mistakes.

5 min
How-to Guides

How to Use RO Membrane Preservative in Water Treatment

Practical guide to preparing, dosing, and applying RO Membrane Preservative — covering wet storage protocol, concentration control, monitoring, and common mistakes.

5 min
How-to Guides

How to Use SDIC (Sodium Dichloroisocyanurate) in Water Treatment

Practical guide to preparing, dosing, and applying SDIC (Sodium Dichloroisocyanurate) — covering dissolution, dosing ranges, monitoring, and common mistakes.

4 min
How-to Guides

How to Use Silicone Defoamer (Compound Type) in Industrial Water Treatment

Practical guide to selecting, dosing, and applying compound silicone defoamer — covering application method, dose optimization, troubleshooting, and common mistakes.

5 min
How-to Guides

How to Use Silicone Defoamer (Emulsion Type) in Water Treatment

Practical guide to selecting, dosing, and applying silicone defoamer emulsion — covering application method, dose optimization, troubleshooting, and common mistakes.

5 min
How-to Guides

How to Use Soda Ash (Sodium Carbonate) in Water Treatment

A practical guide to using soda ash (Na2CO3) for mild alkalinity control, drinking water pH adjustment, lime-soda water softening, boiler feedwater conditioning, and flue gas desulfurization — with dosing tables and handling guidelines.

5 min
How-to Guides

How to Use Sodium Aluminate in Water Treatment

Practical guide to using Sodium Aluminate (NaAlO₂) — an alkaline coagulant for low-alkalinity water, fluoride removal, silica removal from boiler feedwater, and paper manufacturing.

5 min
How-to Guides

How to Use Sodium Bicarbonate in Water Treatment

A practical guide to using sodium bicarbonate (NaHCO3) for buffered alkalinity control in drinking water, biological treatment systems, aquaculture, and boiler feedwater — without the risk of over-shooting pH above 8.5.

5 min
How-to Guides

How to Use Sodium Gluconate as a Corrosion and Scale Inhibitor

Practical guide to preparing, dosing, and applying Sodium Gluconate as a green chelating corrosion inhibitor — covering dissolution, dosing ranges for alkaline and high-pH systems, monitoring, and common mistakes.

5 min
How-to Guides

How to Use Sodium Hexametaphosphate in Water Treatment

Practical guide to preparing, dosing, and applying Sodium Hexametaphosphate (SHMP) — covering dissolution, dosing ranges for drinking water scale prevention and iron/manganese sequestration, monitoring, and common mistakes.

6 min
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