Zinc removal using peat adsorption

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Abstract
Effective removal of heavy metals from wastewaters can assist in water re‐use and sludge disposal. This accounts for the recent interest in the use of peat for wastewater treatment. This paper describes the results of the removal of zinc by peat in batch studies. The results confirm the effectiveness of peat (93–96% removal) and show that at acid to neutral pHs the main removal mechanism is adsorption and may be described by Langmuir kinetics. At pHs in the alkaline range other processes enhanced considerably zinc removal.

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