DOI: 10.11648/j.ajbes.20241003.14 ISSN: 2471-979X

Low Cost Adsorbent Derived from Agricultural Byproduct and Its Application for the Removal of Cationic Dye from Waste Water: A Review

Natinael Mekonen, Semere Gebrearegawi, Yonas Syraji, Kasahun Tsegaye
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Water is the most important natural resource in the planet and is essential to life. But human activity such as industrial waste, and natural sources may all pollute this priceless resource. Among those, the effluent discharged from industries is the major pollutant in the water body. The development of industries is the backbone of the economic growth of countries, results in increased employment, and improves the living standards of human beings. But it is also the main source of environmental pollution. The primary cause of the cationic dye contamination in the water body is the organic effluent released by the textile industry. One of the cationic organic dyes generated by the textile industry is methylene blue (MB). This poisonous material hinders photosynthesis, keeps light from penetrating the water, and causes irreversible harm to people, animals, and plants. Therefore, different treatment methods were employed, including sedimentation, coagulation, oxidation, osmosis, electrolysis, and adsorption. Among them, adsorption is a highly effective technique for removing MB from waste water because of its affordability, environmental friendliness, accessibility, and high efficiency. Therefore, this review concentrated on different types of adsorbents made from agricultural products. Based on a study of many research, it appears that using agricultural wastes as an adsorbent can effectively remove MB from industrial waste water.

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