Zinc (Zn) in Water Treatment

Quick Answer

Zinc (Zn) is a transition metal with atomic number 30. PubChem lists its standard state as solid and its relative atomic mass as 65.4.

Zinc can originate from galvanized materials, corrosion and industrial wastewater. It may be controlled by corrosion management or removed through pH-controlled precipitation, adsorption, ion exchange or membranes.

Interesting Facts

• Zinc protects galvanized steel by corroding preferentially—the same sacrificial behavior can release zinc into water.
• It is an essential micronutrient and a component of many enzymes, yet elevated concentrations can create taste, appearance, or aquatic-toxicity concerns.
• If zinc originates from piping or fittings, corrosion control and material selection address the source more directly than adding a downstream filter.

Water-treatment Design Implications

An element name alone is not enough to select treatment equipment. Confirm chemical form or speciation, total and dissolved concentration, pH, alkalinity, competing ions and the product-water target. Send the water-analysis results to Watermart to identify additional testing and shortlist processes before equipment is specified.

Summary Data Sources

• PubChem — Zinc
• IUPAC Periodic Table of Elements
• WHO — Chemical hazards in drinking-water

Practical Reference for a Water Analysis

Locate the source before sizing equipment. Compare source-water, post-treatment, first-draw, and flushed samples where appropriate. This can distinguish source contamination from release by pipes, solder, coatings, or fittings.

Validate treatment on the actual matrix. A process name is not a performance guarantee. Competing ions, organic ligands, redox conditions, pH, suspended solids, and required recovery can change removal sharply. Use bench or pilot testing for unusual industrial streams, and make a mass balance for concentrate, sludge, regenerant, or spent media.

Do not invent a drinking-water limit from the periodic table. A health value applies only to the specified substance, route, averaging period, and jurisdiction. Check the current Indonesian requirement and the intended reuse or discharge permit before setting the design target.