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After storms, floods, or construction runoff, raw-water turbidity spikes. The operator’s instinct is to crank up alum dose. That is almost always the wrong first…

Poly Aluminium Chloride (PAC) is a pre-hydrolyzed inorganic polymeric coagulant used in municipal water, industrial wastewater, process water, and high-turbidity clarification. Compared with traditional alum…

Raw surface water carries sand, clay, colloids, humic matter, algae, and other fines. These particles make water turbid, overload filters, and interfere with disinfection. For…

Alum is usually discussed as a water-treatment coagulant. Nevertheless, it also serves as an aluminum-bearing feedstock in selected chemical manufacturing and formulation work. Its stable…

In papermaking, the word “alum” needs an immediate clarification. In industrial paper mills, it almost always means aluminum sulfate (Al₂(SO₄)₃), not potassium alum. Potassium alum…

For rivers, lakes, and reservoirs, the conventional water treatment process is still the backbone of municipal and industrial water production. It uses a simple, proven…

Industrial and municipal wastewater carry suspended solids, colloids, organics, oils, nutrients, microorganisms, and sometimes heavy metals. Conventional wastewater treatment removes them in stages by combining…

Biological pollutants** are the pathogens and biological agents in wastewater that can cause disease: bacteria, viruses, protozoa, parasite eggs, and microbial toxins. Not every microbe…

Safe tap water depends on disinfection — but disinfection alone is never enough. Source water can carry bacteria, viruses, protozoa, fungi, algae, larvae, and even…

Introduction Industrial wastewater treatment is an essential part of modern industrial production and environmental protection. Industries including textile manufacturing, mining, chemical processing, pharmaceuticals, food processing,…

Introduction With the continuous growth of industrial production, the volume and complexity of industrial wastewater are increasing worldwide. Industries such as textiles, mining, food processing,…