AQUChem

Technical Resources

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

108 articles
Selection Guides

Activated Carbon Selection: Coconut Shell vs Coal vs Wood

Comparison of coconut shell, coal-based, and wood-based activated carbon for water treatment — pore structure, performance, cost, and application matching.

5 min
Technical Articles

Boiler Water Treatment: From Feedwater to Condensate

Complete boiler water treatment chemical program covering deaeration, internal treatment, condensate protection, and blowdown management.

6 min
Selection Guides

Cooling Water Treatment Chemical Program Design

How to design a complete cooling water treatment program covering scale control, corrosion inhibition, and microbiological control.

6 min
Industry Solutions

Desalination Plant Chemical Program Design

Complete chemical treatment program for seawater and brackish water RO desalination — pretreatment, antiscalant, CIP cleaning, and post-treatment.

6 min
Selection Guides

How to Choose the Right Flocculant (PAM Selection Guide)

A practical guide to selecting anionic, cationic, or nonionic polyacrylamide based on wastewater characteristics, molecular weight requirements, and dewatering equipment.

5 min
Technical Articles

Heavy Metal Removal from Industrial Wastewater

Chemical precipitation methods for removing Cu, Ni, Zn, Pb, Cr, and Cd from industrial wastewater to meet discharge standards.

6 min
Technical Articles

Jar Test Procedure: Optimizing Coagulant and Flocculant Dosage

Step-by-step jar test procedure for determining optimal coagulant type, dosage, pH, and flocculant dose for water and wastewater treatment.

5 min
Industry Solutions

Complete Chemical Program for a Municipal WWTP

Stage-by-stage chemical treatment design for municipal wastewater treatment plants — from primary clarification to sludge dewatering.

6 min
Selection Guides

PAC vs PFS: Which Coagulant for Your Wastewater?

Head-to-head comparison of polyaluminum chloride and poly ferric sulfate across performance, cost, pH impact, and sludge generation.

5 min
Selection Guides

RO Antiscalant Selection: Matching Chemistry to Feedwater

Guide to selecting general-purpose, high-silica, or high-hardness RO antiscalants based on feedwater analysis and system recovery rate.

5 min
Technical Articles

RO Membrane Fouling: Types, Prevention and Cleaning

Comprehensive guide to the four types of RO membrane fouling — scaling, colloidal, organic, and biological — with prevention strategies and cleaning protocols.

6 min
Selection Guides

Sludge Dewatering Polymer Selection Guide

Cationic polyacrylamide (CPAM) is the dominant polymer for sludge dewatering, but charge density and molecular weight must match the sludge type and dewatering equipment. This guide covers selection logic and equipment-specific recommendations.

5 min
Industry Solutions

Textile Dyeing Wastewater Treatment: Complete Chemical Solution

End-to-end chemical treatment for textile dyeing wastewater covering decolorization, COD removal, Fenton oxidation, and sludge management.

6 min
How-to Guides

How to Use AA/AMPS Copolymer in Water Treatment

Practical guide to preparing, dosing, and applying AA/AMPS Copolymer — covering dissolution, dosing ranges for high-silica cooling water and RO antiscalant applications, monitoring, and common mistakes.

6 min
How-to Guides

How to Use Aluminum Chlorohydrate (ACH) in Water Treatment

Practical guide to dosing Aluminum Chlorohydrate (ACH) — a high-basicity coagulant for premium drinking water, low-turbidity source water, and membrane pre-treatment.

5 min
How-to Guides

How to Use Aluminum Sulfate (Alum) in Water Treatment

Practical guide to preparing, dosing, and applying Aluminum Sulfate (Alum) — covering dissolution, dosing ranges, pH control, monitoring, and common mistakes.

5 min
How-to Guides

How to Use Amphoteric Polyacrylamide in Water Treatment

Practical guide to dissolving, dosing, and applying Amphoteric PAM — covering its unique dual-charge mechanism, use in complex and variable-quality wastewater, pH range advantages, dosing optimization, and common mistakes.

5 min
How-to Guides

How to Use Anionic PAM (Medium Molecular Weight) in Water Treatment

Practical guide to preparing, dosing, and applying Anionic PAM (Medium Molecular Weight) — covering dissolution, dosing ranges, monitoring, and common mistakes.

5 min
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