AQUChem

Technical Resources

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

108 articles
How-to Guides

How to Use Glutaraldehyde 50% as a Non-Oxidizing Biocide

Practical guide to dosing Glutaraldehyde 50% for oilfield injection water, cooling towers, and paper mills — including SRB control, biofilm penetration, rotation with oxidizing biocides, and mandatory PPE requirements.

5 min
How-to Guides

How to Use HEDP (1-Hydroxyethylidene-1,1-Diphosphonic Acid) in Water Treatment

Practical guide to preparing, dosing, and applying HEDP (1-Hydroxyethylidene-1,1-Diphosphonic Acid) — covering dissolution, dosing ranges, monitoring, and common mistakes.

5 min
How-to Guides

How to Use High-Temperature Defoamer in Industrial Processes

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

5 min
How-to Guides

How to Use HPMA in Water Treatment

Practical guide to preparing, dosing, and applying HPMA (Hydrolyzed Polymaleic Anhydride) — covering dissolution, dosing ranges for phosphorus-restricted cooling and boiler applications, monitoring, and common mistakes.

5 min
How-to Guides

How to Use Hydrated Lime (Ca(OH)₂) in Water Treatment

Practical guide to slurrying, dosing, and applying hydrated lime for pH neutralization, drinking water softening, heavy metal precipitation, acid mine drainage treatment, and sludge conditioning — covering slurry preparation, dosing ranges, monitoring, and common mistakes.

5 min
How-to Guides

How to Use Hydrazine as a High-Pressure Boiler Oxygen Scavenger

Practical guide to dosing and applying Hydrazine in high-pressure boiler systems — including mandatory safety protocols, engineering controls, dosing ranges, monitoring, regulatory compliance, and safer alternatives.

6 min
How-to Guides

How to Use Hydrochloric Acid in Water Treatment

A complete guide to safely using hydrochloric acid (HCl 31–33%) for pH reduction, RO membrane acid cleaning, ion exchange resin regeneration, and scale removal in water treatment systems.

5 min
How-to Guides

How to Use Hydrogen Peroxide for Wastewater Decoloration

Practical guide to applying Hydrogen Peroxide 50% for oxidative decoloration — covering UV/H2O2 AOP, Fenton reaction, dosing ranges, safety precautions, and common operational mistakes.

5 min
How-to Guides

How to Use Impregnated Activated Carbon for H2S and Mercury Removal

Operational guide for impregnated activated carbon — selecting the correct impregnant grade (KOH, NaOH, sulfur), installing beds, operating parameters, breakthrough detection, and safe handling of spent carbon.

5 min
How-to Guides

How to Use Membrane Pre-Treatment Flocculant in Water Treatment

Practical guide to preparing, dosing, and applying Membrane Pre-Treatment Flocculant — covering SDI reduction, coagulation before RO/UF, filtration requirements, and common mistakes.

5 min
How-to Guides

How to Use Mineral Oil Defoamer in Industrial Applications

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

5 min
How-to Guides

How to Use MIT 10% (Methylisothiazolinone) in Water Treatment

Practical guide to preparing, dosing, and applying MIT 10% — covering CMIT-free applications, dosing ranges, regulatory advantages, monitoring, and common mistakes.

5 min
How-to Guides

How to Use Mixed Bed Resin MB400 in Water Treatment

Practical guide to loading, operating, and regenerating mixed bed resin MB400 to produce ultrapure water at <0.1 µS/cm conductivity for semiconductor, pharmaceutical, and power generation applications.

5 min
How-to Guides

How to Use NF Membrane Antiscalant in Water Treatment

Practical guide to preparing, dosing, and applying NF Membrane Antiscalant — covering dissolution, dosing ranges, monitoring, and common mistakes.

5 min
How-to Guides

How to Use Non-Silicone Defoamer in Food-Grade Water Treatment

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

5 min
How-to Guides

How to Use Nonionic Polyacrylamide (NPAM) in Water Treatment

Practical guide to dissolving, dosing, and applying Nonionic Polyacrylamide — covering acidic wastewater flocculation, dissolution protocols, dosing ranges for acid mine drainage and industrial effluent, and common mistakes.

5 min
How-to Guides

How to Use PAC 30% (Polyaluminum Chloride) in Water Treatment

Practical guide to preparing, dosing, and applying PAC 30% (Polyaluminum Chloride) — covering dissolution, dosing ranges, monitoring, and common mistakes.

5 min
How-to Guides

How to Use Drinking Water Grade PAC in Municipal Water Treatment

Practical guide to preparing and dosing food-grade Polyaluminum Chloride (PAC) certified to GB 15892 and NSF/ANSI 60 — covering dissolution, jar testing, dosing ranges, and compliance monitoring.

5 min
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