“…A number of agricultural waste types and byproducts of cellulosic source have been studied for their capacity to remove dyes from aqueous solutions. Soil nano-clays [1], bagasse (waste material from sugar cane) [2], waste wood pallets [4], raw bagasse, and tartaric acid-modified bagasse [5], tamarind fruit shell [6], rice husk, cotton, bark, hair and coal [7], raw pummelo peel [8], ghassoul, natural clay [9], Ricinus communis epicarp activated carbon [10], activated carbon prepared from rice husk [11], roots of Tephrosia purpurea, leaves and stems of Terminalia arjuna and bivalve snail shells [12], teak tree (Tectona grandis) bark powder [3], orange peel, neem leaves, banana peel, [13], water hyacinth root plant [14], miswak leaves [15], fly ash [16], orange and banana peel [17], ground nut shell powder [18], and mustard waste ash and buffalo dung ash [19] have been reported in the literature as low cost adsorbents for methylene blue. In the present study, lemon grass waste ash (LGA) was evaluated for the removal of methylene blue from an aqueous solution.…”