AQUChem

Technical Resources

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

108 articles
How-to Guides

How to Use Sodium Hypochlorite for Wastewater Decoloration

Practical guide to applying Sodium Hypochlorite 12% for oxidative bleaching in textile effluent and wastewater polishing — covering dosing ranges, contact time, chlorine control, dechlorination before discharge, and common mistakes.

5 min
How-to Guides

How to Use Sodium Molybdate as a Corrosion Inhibitor

Practical guide to preparing, dosing, and applying Sodium Molybdate (Na₂MoO₄) — covering dissolution, dosing ranges for closed loops and mixed-metallurgy systems, monitoring molybdate residuals, and common mistakes.

5 min
How-to Guides

How to Use Sodium Nitrite as a Corrosion Inhibitor

Practical guide to preparing, dosing, and applying Sodium Nitrite corrosion inhibitor — covering dissolution, dosing ranges for closed cooling loops, critical biocide pairing requirements, monitoring nitrite residuals, and common mistakes.

5 min
How-to Guides

How to Use Sodium Sulfite for Boiler Oxygen Scavenging in Water Treatment

Practical guide to preparing, dosing, and applying Sodium Sulfite for Boiler Oxygen Scavenging — covering dissolution, dosing ranges, monitoring, and common mistakes.

4 min
How-to Guides

How to Use Food Grade Softening Resin in Water Treatment

Practical guide to operating FDA-certified food grade softening resin for beverage production, dairy processing, and food-contact water applications with NaCl regeneration.

5 min
How-to Guides

How to Use Strong Acid Cation Resin 001×7 in Water Treatment

Practical guide to loading, operating, and regenerating strong acid cation resin 001×7 for water softening and demineralization systems.

5 min
How-to Guides

How to Use Strong Base Anion Resin Type I 201×7 in Water Treatment

Practical guide to operating SBA Type I resin 201×7 for complete demineralization with superior silica removal — the standard choice for ultrapure water and high-pressure boiler systems.

5 min
How-to Guides

How to Use Strong Base Anion Resin Type II 202 in Water Treatment

Practical guide to operating SBA Type II resin 202 for high-capacity demineralization with lower caustic consumption — the cost-efficient choice for standard water treatment plants.

5 min
How-to Guides

How to Use Sulfuric Acid 98% in Water Treatment

A practical guide to safely handling and dosing concentrated sulfuric acid (H2SO4 98%) for large-volume pH reduction, RO acid flush, boiler chemical cleaning, and ion exchange regeneration.

5 min
How-to Guides

How to Use TCCA (Trichloroisocyanuric Acid) for Water Disinfection

Practical guide to using TCCA tablets and granules for swimming pool chlorination, cooling tower shock treatment, and emergency drinking water disinfection — covering dosing, safety, and common mistakes.

5 min
How-to Guides

How to Use Tolyltriazole (TTA) in Water Treatment

Practical guide to preparing, dosing, and applying Tolyltriazole (TTA) — covering dissolution, dosing ranges for chlorinated and high-temperature cooling water copper protection, monitoring, and common mistakes.

5 min
How-to Guides

How to Use UF Membrane Cleaner in Water Treatment

Practical guide to preparing, dosing, and applying UF Membrane Cleaner — covering CEB and CIP protocols, TMP monitoring, PVDF compatibility, and common mistakes.

5 min
How-to Guides

How to Use Activated Carbon for Industrial Wastewater COD Removal

Technical guide for engineering and operating GAC tertiary treatment beds for industrial wastewater COD, BOD, color, and refractory organic removal — covering bed design, operation, and reactivation.

5 min
How-to Guides

How to Use Weak Acid Cation Resin D113 in Water Treatment

Practical guide to operating weak acid cation resin D113 for dealkalization and temporary hardness removal with near-stoichiometric acid regeneration.

5 min
How-to Guides

How to Use Weak Base Anion Resin 301 in Water Treatment

Practical guide to operating weak base anion resin 301 for strong acid removal — ideal as a pre-bed ahead of SBA resin to extend run lengths and cut caustic costs.

5 min
How-to Guides

How to Use Wood-Based Powdered Activated Carbon (PAC) in Water Treatment

Practical guide to dosing, mixing, and applying powdered activated carbon for emergency taste and odor control, algal toxin removal, and drinking water polishing — including dose optimization and slurry preparation.

5 min
How-to Guides

How to Use Zinc Phosphate Corrosion Inhibitor in Water Treatment

Practical guide to preparing, dosing, and applying Zinc Phosphate Inhibitor — covering dissolution, dosing ranges for open cooling towers, monitoring Zn and PO4 levels, and common mistakes in dual-function inhibitor programs.

6 min
How-to Guides

How to Use Zinc Sulfate as a Corrosion Inhibitor in Cooling Water

Practical guide to preparing, dosing, and applying Zinc Sulfate (ZnSO₄·7H₂O) as a cathodic corrosion inhibitor — covering dissolution, zinc-phosphonate synergistic programs, Zn²⁺ residual monitoring, and common mistakes.

5 min
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