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This study evaluated the potentials of activated carbon prepared from coconut shell (CS) ( Cocos nucifera ), counter wood (CW) ( Afzelia africana ) and iron (III) sulphate coagulant (ISC) prepared from scrap iron, in removing total organic carbons (TOCs) from contaminated Ebonyi river (EBRW) and Ezeiyiaku river samples (ERWA) at point – of – use (POU). A 250 ml of the river samples at ambient pH were mechanically (hands) batch – agitated with optimised doses of 0.5, 1.5, and 0.025 g of granulated activated coconut shell carbon (GACSC), granulated activated counter wood carbon (GACWC), and ISC at the two seasons. The results showed a 90 and 100% reduction in the TOCs of the treated ERWA and EBRW samples during the rainy season, while and at dry season, 88% reduction in TOCs was observed in both treated river samples.

international journal of environmental analytical chemistry

Seasonal evaluation of total organic carbon removal from river samples using scrap metal-based coagulant and local salt modified-biomaterials for point-of-use water treatment