AQUChem

Technical Resources

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

108 articles
How-to Guides

How to Use DBNPA (2,2-Dibromo-3-Nitrilopropionamide) in Water Treatment

Practical guide to preparing, dosing, and applying DBNPA (2,2-Dibromo-3-Nitrilopropionamide) — covering dissolution, dosing ranges, monitoring, and common mistakes.

4 min
How-to Guides

How to Use Quaternary Ammonium Decolorant in Water Treatment

Practical guide to dosing, applying, and optimizing Quaternary Ammonium Decolorant — covering charge neutralization mechanism, dosing ranges for textile and printing wastewater, pH control, and common operational mistakes.

5 min
How-to Guides

How to Use Textile Wastewater Decolorant in Water Treatment

Practical guide to applying Dicyandiamide-Formaldehyde Textile Decolorant — covering reactive and direct dye removal, combined coagulation-decoloration mechanism, dosing ranges, pH optimization, and common mistakes.

5 min
How-to Guides

How to Use DEHA (Diethylhydroxylamine) as a Boiler Oxygen Scavenger

Practical guide to preparing, dosing, and applying DEHA — covering dilution, injection points, dosing ranges for medium-pressure boilers and condensate systems, monitoring, and common mistakes.

5 min
How-to Guides

How to Use NSF-Certified Activated Carbon for Drinking Water Treatment

Step-by-step guide for selecting, loading, and operating NSF/ANSI 61 certified activated carbon for municipal drinking water — covering THM removal, taste and odor control, dechlorination, and regulatory compliance.

5 min
How-to Guides

How to Use DTPMP in Water Treatment

Practical guide to preparing, dosing, and applying DTPMP (Diethylenetriamine Penta Methylene Phosphonic Acid) — covering dissolution, dosing for oilfield BaSO4/SrSO4 and high-hardness systems, monitoring, and common mistakes.

6 min
How-to Guides

How to Use EDTMPS in Water Treatment

Practical guide to preparing, dosing, and applying EDTMPS (Ethylenediamine Tetra Methylene Phosphonic Acid Sodium) — covering dissolution of the alkaline sodium salt, dosing for boiler and cooling water, monitoring, and common mistakes.

5 min
How-to Guides

How to Use Erythorbic Acid as a Food-Grade Oxygen Scavenger

Practical guide to preparing, dosing, and applying Erythorbic Acid for oxygen removal in food-contact water systems, boiler feedwater in food plants, and beverage production — covering dissolution, dosing ranges, monitoring, and common mistakes.

5 min
How-to Guides

How to Use Ferric Chloride Solution (40%) in Water Treatment

Practical guide to preparing, dosing, and applying Ferric Chloride Solution (40%) — covering dissolution, dosing ranges, monitoring, and common mistakes.

5 min
How-to Guides

How to Use Ferrous Sulfate in Water Treatment: Chromate Reduction & Phosphorus Removal

Practical guide to dissolving, dosing, and applying ferrous sulfate heptahydrate for Cr(VI) reduction, phosphorus removal, and coagulation — covering solution preparation, dosing ranges, pH control, monitoring, and common mistakes.

5 min
How-to Guides

How to Use Ferrous Sulfate as a Decolorant in Wastewater Treatment

Practical guide to applying Ferrous Sulfate (FeSO4·7H2O) for wastewater decoloration — covering chromate reduction, Fenton reaction setup, dosing ranges, pH control, and common operational mistakes.

5 min
How-to Guides

How to Use FGD Defoamer in Flue Gas Desulfurization Systems

Practical guide to selecting, dosing, and applying FGD defoamer in limestone slurry scrubber systems — covering application method, dose optimization, troubleshooting, and common mistakes.

5 min
How-to Guides

How to Use Filming Amine (Octadecylamine) in Boiler and Condensate Systems

Practical guide to preparing, dosing, and applying Filming Amine (Octadecylamine / ODA) — covering emulsion preparation, dosing ranges for steam condensate protection, neutralization of CO₂, monitoring iron transport, and common mistakes.

5 min
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
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